MALICIOUS — 8e43df17af23a486acbdb7cace0649811fc302dac25ff4bb2f164baf02dc3b95
MALICIOUS — 8e43df17af23a486acbdb7cace0649811fc302dac25ff4bb2f164baf02dc3b95 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the UPX family. 8 of 56 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
8e43df17af23a486acbdb7cace0649811fc302dac25ff4bb2f164baf02dc3b95 - SHA-1:
134284441effa369d8380d76f1edb937bae2a322 - MD5:
01bee69de56c3ca48195f487cb02452c - imphash:
99c27169ecdf0bb12dce110e9380f78a - ssdeep:
98304:/t+ebVLdahr+YTRi0TGgU8oxKFK7JIhXa1PSELk/GEAUfZ82ub8GRprbGJ1y1xW:Rh6hoeK71aELkaUfdOMeXdVlG5Fp+ - TLSH:
T1156812CC1E10A714EAF287517D508D5F0AE3F09DA9FE983C0D87D49EB262873A411AD9 - Submitted as: 8e43df17af23a486acbdb7cace0649811fc302dac25ff4bb2f164baf02dc3b95
- File type: pe · Size: 7622408 bytes
- Verdict: malicious (99/100) · Family: UPX
Detections (8 of 56 engines)
- YARA: MalwareAnalyser built-in: Packer_UPX_Sections
- MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.data0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- YARA: MalwareAnalyser community pack: TL_UPX_Packed
- YARA: Yara-Rules community: YR_AntiDebug_Checks
- Microsoft Defender: Trojan:Win32/Downloader!pz
- Emsisoft (Emergency Kit): Gen:Variant.Doina.23645
- Kaspersky (KVRT): VHO:Trojan.Win32.Exnet.gen
MITRE ATT&CK
YARA
- Packer_UPX_Sections
Why this verdict
The malicious score of 99/100 is the fusion of 14 weighted signals:
- Microsoft Defender flagged Trojan:Win32/Downloader!pz (rule
Trojan:Win32/Downloader!pz) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Gen:Variant.Doina.23645 (rule
Gen:Variant.Doina.23645) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged VHO:Trojan.Win32.Exnet.gen (rule
VHO:Trojan.Win32.Exnet.gen) - engine signal, weight 0.55, confidence 0.85 - YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70 - UPX packer section names (rule
Packer_UPX_Sections) - yara signal, weight 0.40, confidence 0.90 - Contacted 1 external host(s) and 5 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule
YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70 - YARA: MalwareAnalyser built-in flagged Packer_UPX_Sections (rule
Packer_UPX_Sections) - engine signal, weight 0.35, confidence 0.70 - MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-sections:.data0 (rule
high-entropy-sections:.data0) - engine signal, weight 0.35, confidence 0.70 - YARA: MalwareAnalyser community pack flagged TL_UPX_Packed (rule
TL_UPX_Packed) - engine signal, weight 0.30, confidence 0.70 - Embedded network infrastructure: https://secure.comodo.net/CPS0A - static signal, weight 0.35, confidence 0.60
- Packing/obfuscation: high-entropy-sections:.data0 - static signal, weight 0.25, confidence 0.55
- enumerate processes (rule
enumerate processes) - capa signal, weight 0.20, confidence 0.60 - Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
Dynamic analysis (windows)
207 behavior events · 0 ATT&CK techniques · 5 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- update.googleapis.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- licensing.mp.microsoft.com
- config.edge.skype.com
- windows.msn.com
- www.msn.com
- officeclient.microsoft.com
- odc.officeapps.live.com
- assets.msn.com
- www.bing.com
- v10.events.data.microsoft.com
- edge.microsoft.com
- settings-win.data.microsoft.com
- time.windows.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\tsk_a382h16Hj.exe -
4ce97675ae37e6f52ffcb51eae05627463a729b1ee67477d2c1ea059fce4bd53 - C:\Users\analyst\AppData\Local\Temp\cfg.ini -
b7ffae440ccee68d0f5d93354b40e54d8cd73555da95bcab9c55370d4c35d59a - C:\Users\analyst\AppData\Local\Temp\msedge_installer.log -
1b51041f8085d0ebd1398f4512718ea8209893ca9f1c64bdf530e0cacf0f6eee - C:\Users\analyst\AppData\Local\Temp\cv_debug.log -
624ff0124ff1097c61c11a6f0265e516a900cc1aafb44110142df0f8f1aaf69a - C:\Users\analyst\AppData\Local\Temp\wmsetup.log -
b11630055c84537e8859368be34c50cda8d82b8db9a15082ef95f4fd68c7b155
Embedded URLs
- http://crl.thawte.com/ThawteTimestampingCA.crl0
- http://ts-aia.ws.symantec.com/tss-ca-g2.cer0
- http://ts-crl.ws.symantec.com/tss-ca-g2.crl0
- https://secure.comodo.net/CPS0A
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- www.qq.com
- c.gg
- r.au
- 3x.ca
- k.tw
- crl.thawte.com
- crl.usertrust.com
- ts-aia.ws.symantec.com
- ts-crl.ws.symantec.com
- crt.usertrust.com
- secure.comodo.net
- crl.comodoca.com
- crt.comodoca.com
Embedded IP addresses
- 20.42.73.28
- 20.247.185.124
- 52.123.252.218
- 4.230.171.124
- 52.110.12.4
- 52.110.12.53
- 20.184.175.14
- 57.154.63.210
- 72.154.7.107
- 52.148.114.188
- 52.110.12.45
- 52.110.12.47
File paths
- V:\0z
- X:\:h:l:p:t:x:
- m:\tf\0I0.log
- M:\src\04F\_SHW_CF_181213\SWH_DLL_01\HookDll\Release\HookDll.pdb
- P:\:~:
- V:\:
- T:\:d:l:t:
- X:\Cb
- P:\:{:
- T:\:t:
- e:\i+
More UPX samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report