MALICIOUS — d77c0ab6a9d9f9585da088d8aac0af2bcb35c81fe28c7e704d2304e23291488e
MALICIOUS — d77c0ab6a9d9f9585da088d8aac0af2bcb35c81fe28c7e704d2304e23291488e 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:
d77c0ab6a9d9f9585da088d8aac0af2bcb35c81fe28c7e704d2304e23291488e - SHA-1:
b57cb06c6e15d7b5ac9f156d2e287f1e5133db37 - MD5:
de1b8c80e4545a0e03458a335cfb80dc - imphash:
b10d16eedb1085ef7262dfc4ab03be6f - ssdeep:
3072:KEqfEFMFn7R5R8FhNGpWOXwNhokSTOljikMTmAcThAkZThMTMz6+:KE6EFMFnSFhNGpWDNhHy+ixTmAcThAkZ - TLSH:
T1713F5D5B2115D82EC1E18E47258CD5BE5CC3E45886B18752438CF6BC846C43FBBAFAA1 - Submitted as: d77c0ab6a9d9f9585da088d8aac0af2bcb35c81fe28c7e704d2304e23291488e
- File type: pe · Size: 160065 bytes
- Verdict: malicious (99/100) · Family: Sivis
Detections (7 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Malware.Genpack-9875154-0
- 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 10 weighted signals:
- ClamAV (daily) flagged Win.Malware.Genpack-9875154-0 (rule
Win.Malware.Genpack-9875154-0) - engine signal, weight 0.90, confidence 0.95 - Memory forensics: 3 finding(s), e.g. process hidden from a listing (rule
windows.psxview.PsXView) - memory signal, weight 0.55, confidence 0.85 - Contacted 26 external host(s) at runtime (20 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://creativecommons.org/publicdomain/zero/1.0/, http://www.gnu.org/licenses/, http://www.gnu.org/software/coreutils/ - 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
- Extracted generic config (5 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
25474 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
- settings-win.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-string-l1-1-0.dll -
6872452218b6e031d11276de5367e2ef0a34cc278823b42ee1f5ebedac2b40d7 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-processenvironment-l1-1-0.dll -
92ec1c25c5338f50fc0cd093b735d3e22ed64cbccac97ff22d8b50917f2ddbe2 - C:\$WinREAgent\Backup\boot.sdi -
ccc39e920e7123d020bb0e954737dcc92dc99bab09d293f63bcc5921dc2c477c - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-rtlsupport-l1-1-0.dll -
e7265965b166d2406b08bb5e9f840cd6f04aecb148140f31797ca9c4f100f888 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-synch-l1-1-0.dll -
e0b006d9174cef2bfcee8a72a523a745b0fdde1749bd9c526e560627737ed099 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-crt-runtime-l1-1-0.dll -
fce4ea32dd2d5ef095e46b257e82fd1f10aa3bcca5e7fbd2cea4ff41b9647d93 - bc6047c895e152daf7c7b282c00a4490f7b56e149c6749fabf28e1b2cb45bdc6 -
bc6047c895e152daf7c7b282c00a4490f7b56e149c6749fabf28e1b2cb45bdc6 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\dt_socket.dll -
ddc5417f2f06d3403d8725d4dcb8a1c6386997302d9beb05f52b57af3ec8b501 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\keytool.exe -
133fbd3a78df94edfcd20e99c707394f886667327262981073af03f1a06f1f26 - C:\p.ps1 -
97d4065fa931c84ab63d3a8458baeca22d3f2be4430ca9faabfb38ddfa195999 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-file-l1-2-0.dll -
6c52364be4c3ff9b15f26e1989ff97d047582380cadfa5657d8355a36e319bfc - C:\Config.Msi\8687.rbs -
23214b36541dcc02d29a734f6141ca4c48c786fa82bfd969624bc74a87a3a88c - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\extnet.dll -
ca63fb1218f39da87d9de2e56b41881b0a8f7f8a6f40c8543f9c5907322baba0 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\mlib_image.dll -
13baa75c0a86e62ff36da1e14bda8b9ed10554e17f472066206c57f8894bf9af - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jwebserver.exe -
7183288db14e59be938c60d21d609b7155680a5d702d7bc42bc029b3eae18e1c
Embedded URLs
- http://creativecommons.org/publicdomain/zero/1.0/
- http://www.gnu.org/licenses/
- http://www.gnu.org/software/coreutils/
- http://translationproject.org/team/
- http://gnu.org/licenses/gpl.html
- http://www.gnu.org/gethelp/
- https://www.gnu.org/software/automake/manual/automake.html
- http://fsmsh.com/2753
- https://autotools.io/index.html
- http://miller.emu.id.au/pmiller/books/rmch/
- 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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787858186&P2=404&P3=2&P4=CZUb39s9McstuMtykPEBTBf9WhGtngaw%2blrbXNBlTfi2pcxAkGMEDE0zBFgAixwCOTuvuxODzdIyHHImjZpAPg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787858266&P2=404&P3=2&P4=j69IkAKYZgUJRuGxx%2bmba5zw2bf6gNMt12VpBxJ2BreF4VuQTti7ykTbJQiGOfCrHkLxgBSIZGReVzauLKuirQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- creativecommons.org
- cwru.edu
- gnu.org
- www.gnu.org
- translationproject.org
- cygwin.com
- fsmsh.com
- autotools.io
- miller.emu.id.au
Embedded IP addresses
- 4.150.223.98
- 40.84.85.40
- 4.230.171.124
- 52.230.59.222
- 48.211.4.16
- 74.179.77.204
- 135.232.92.97
- 20.42.65.84
- 135.232.92.137
- 52.123.129.14
- 20.236.44.162
- 135.233.45.223
- 104.46.162.230
- 51.11.192.49
- 52.123.252.245
- 52.123.252.192
- 74.179.71.159
- 203.26.79.13
- 52.148.114.188
- 135.234.160.245
- 52.110.12.19
- 52.110.12.3
- 52.123.252.222
- 72.145.35.104
- 52.110.12.42
File paths
- C:\Users\a.monaldo\AppData\Local\Microsoft\Windows
- 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)
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report