MALICIOUS — f86512124d0b148f3a0f065448ec915683c915dee7bfe93ec645dce075404a16
MALICIOUS — f86512124d0b148f3a0f065448ec915683c915dee7bfe93ec645dce075404a16 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Sivis family. 7 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
f86512124d0b148f3a0f065448ec915683c915dee7bfe93ec645dce075404a16 - SHA-1:
0609f3c0048c265c1d6bd097cd7fdd7bedc8a021 - MD5:
e745ce5be827dc885282a3a1ea1cc4d9 - imphash:
b10d16eedb1085ef7262dfc4ab03be6f - ssdeep:
1536:KEq3GcOAXtIRFhNGpWMlwlGmEFMFnMlFhNGpWe3hhw:KEqrtIRFhNGpW/EFMFniFhNGpWcw - TLSH:
T1AA395C5D2218E12CC6B3E85F151DD9FD288668342BA001C6E65A77B784BC53B683F3C5 - Submitted as: f86512124d0b148f3a0f065448ec915683c915dee7bfe93ec645dce075404a16
- File type: pe · Size: 91171 bytes
- Verdict: malicious (99/100) · Family: Sivis
Detections (7 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Malware.Genpack-9875828-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Detect It Easy (packer/type): DIE:UPX
- Microsoft Defender: Virus:Win32/Sivis.A
- Emsisoft (Emergency Kit): Win32.Sivis.A
- Kaspersky (KVRT): Virus.Win32.Agent.es
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 9 weighted signals:
- ClamAV (daily) flagged Win.Malware.Genpack-9875828-0 (rule
Win.Malware.Genpack-9875828-0) - engine signal, weight 0.90, confidence 0.95 - Memory forensics: 2 finding(s), e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.50, confidence 0.85 - Contacted 25 external host(s) at runtime (23 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497 - dynamic signal, weight 0.40, confidence 0.75
- YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70 - Detect It Easy (packer/type) flagged DIE:UPX (rule
DIE:UPX) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: http://www.gnu.org/licenses/, https://d.symcb.com/rpa0, http://s.symcb.com/universal-root.crl0 - static signal, weight 0.35, confidence 0.60
- Packing/obfuscation: UPX, high-entropy-sections:UPX1 - static signal, weight 0.25, confidence 0.55
- Dropped 83 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
Dynamic analysis (windows)
25574 behavior events · 0 ATT&CK techniques · 98 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- msedge.api.cdp.microsoft.com
Dropped files
- C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\freetype.dll -
c3420454c9117520501726a5a06978bc9b7d4418e8e57fe446f3033a7182634b - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\ktab.exe -
e2aa2095139879855136ee01c669adec31b9dc16a194d13b3fe19ee59deed176 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\extnet.dll -
6a1816e70bc26f8e6c6ce7c8fd1ff53cc3caad81e4f641da89afd9ef59baa834 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\awt.dll -
e45b9a2bca3bc99ba3eb54763cb5c82929974110b1dfe44e64e92c3e25d551c1 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jimage.dll -
cae20982491f307df4c43aabf63d5cec150f4d0677ac65ec32a10eab3fc14715 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\klist.exe -
89d2849c550d33831b0ad7742a10b568b3a8d14e7e1ba1ed877625cddd566871 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\lcms.dll -
bf85283cc6a3989604dac9fbce166947d5e8520f3124bab03541d7ae67fc246d - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-sysinfo-l1-2-0.dll -
3ad9b1952e3fd933eb171c672767fc619f884ea10fa1f53bf2dc43a63f46da64 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-fibers-l1-1-0.dll -
d299241461fd637527984b2768bbf4303a28ee82340cbc505e8ce53798134121 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-file-l1-1-0.dll -
b516b4649685305f006d44c4ba71113143d7de7fe17aab599d41e106e9b0d56c - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-processenvironment-l1-1-0.dll -
23fdb449a2ec008acc416fcd5d3369b624cda9616d24167dac4562c207956c7f - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-file-l1-2-0.dll -
a2ce4f7a1f7f9e67619cd47b224587c7c49c1f07c9bff18332add6ad3703af6d - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-crt-filesystem-l1-1-0.dll -
42c7e779e9f605918f843d15836332617ae5a42341f968bf1c20f6599bd3ffbf - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jaccesswalker.exe -
f488a5972a0f9edb3aac954b24b814aaa5de0f9f459e6283ece8042031f22934 - C:\$WinREAgent\Backup\location.txt -
1bdd473c54c5925eecdd814ef02209dd0b27b69cca4d542662df56176aea44cf
Embedded URLs
- http://www.microsoft.com/pki/certs/MicrosoftTimeStampPCA.crt0
- http://www.microsoft.com/pki/certs/MicCodSigPCA_08-31-2010.crt0
- http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl0T
- http://www.microsoft.com/windows0
- http://www.microsoft.com/pki/certs/MicCodSigPCA_2010-07-06.crt0
- http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
- http://www.microsoft.com/pki/certs/MicTimStaPCA_2010-07-01.crt0
- http://www.gnu.org/licenses/
- https://www.digicert.com/CPS0
- http://cacerts.digicert.com/DigiCertEVCodeSigningCA-SHA2.crt0
- http://cacerts.digicert.com/DigiCertHighAssuranceEVRootCA.crt0
- http://crl3.digicert.com/DigiCertHighAssuranceEVRootCA.crl0@
- http://crl4.digicert.com/DigiCertHighAssuranceEVRootCA.crl0
- http://www.digicert.com/ssl-cps-repository.htm0
- https://d.symcb.com/rpa0
- http://s.symcb.com/universal-root.crl0
- https://d.symcb.com/rpa0@
- http://ts-crl.ws.symantec.com/sha256-tss-ca.crl0
- http://ts-aia.ws.symantec.com/sha256-tss-ca.cer0
- http://ardownload.adobe.com/pub/adobe/reader/win/8.x/8.0/misc/WindowsInstaller-KB893803-v2-x86.exe
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/9a8a705c-852d-4d18-b32a-ee1d872f4bd9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9a8a705c-852d-4d18-b32a-ee1d872f4bd9?P1=1787943051&P2=404&P3=2&P4=Z8VpMRaB6Qt7oqkMSsLGlPrreX%2fCUxtBACL0mJlfeydK4hRFOMuQCqZP1fXof%2bbG2i7sM9zxyfMCtvTlJvF9oA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- crl.microsoft.com
- www.microsoft.com
- cwru.edu
- gnu.org
- www.gnu.org
- crl3.digicert.com
- crl4.digicert.com
- www.digicert.com
- cacerts.digicert.com
- d.symcb.com
- s.symcb.com
- ts-crl.ws.symantec.com
- ts-aia.ws.symantec.com
- ardownload.adobe.com
Embedded IP addresses
- 51.116.246.106
- 4.230.171.124
- 4.247.188.233
- 20.247.184.197
- 74.178.232.29
- 74.178.76.128
- 135.232.92.97
- 52.168.117.169
- 74.179.77.204
- 203.26.79.13
- 20.236.44.162
- 40.103.64.242
- 52.123.128.14
- 52.123.129.14
- 4.150.223.113
- 135.233.45.223
- 52.148.114.188
- 135.233.45.222
- 72.154.7.112
- 4.150.223.98
- 48.192.143.121
- 85.210.193.152
- 52.123.252.244
- 52.110.12.11
- 52.110.12.45
File paths
- X:\windows\system32\sysreset.exe
- C:\Windows.old\Windows\containers\serviced\WindowsDefenderApplicationGuard.wim]
- C:\Windows\containers\serviced\WindowsDefenderApplicationGuard.wim]
- C:\Windows.old\Windows\WinSxS\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.17134.1120_none_c3e
- C:\Windows.old\Windows\WinSxS\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.17134.1_none_eedfed
- X:\SysResetTrace-Tel-Merge.etl,
- C:\$WINDOWS.~BT\Sources\Panther\SysResetTrace-Tel-Merge.etl)
- C:\Windows.old
- C:\.
- C:\Windows.old\Windows\System32\Config\Software.
- C:\\Windows\System32\Config\Software.
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report