MALICIOUS — 598_Rustock.bin
MALICIOUS — 598_Rustock.bin is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Rustock family. 7 of 52 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
3373baa1681c8908761241a8a047a8b071e6f1c3bf81e641e6831b60e53a8060 - SHA-1:
e6ee80833dbeeabdd917e017c96a5cae94fd1c1f - MD5:
1a713083a0bc21be19f1ec496df4e651 - imphash:
543572fd161fe3a2184a341ca44d9fd7 - ssdeep:
3072:PoMSI+Aztl0BrnOqxGixorzNqrcKugyxy3GOH5Dec:l+AztyBLOqxG/goHOH5 - TLSH:
T18445029444BFC518EE49C870FE02BC4E2D1174E9B9BE6280BAD27C2F44D8A73995D036 - Submitted as: 598_Rustock.bin
- File type: pe · Size: 269312 bytes
- Verdict: malicious (100/100) · Family: Rustock
Detections (7 of 52 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.text
- ClamAV (daily): {MD5}bin.trojan.rustock.9255.UNOFFICIAL
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Microsoft Defender: Backdoor:WinNT/Rustock.AN
- Emsisoft (Emergency Kit): Gen:Trojan.Heur.Rustock.1
- Trellix Stinger (McAfee): Generic Trojan.he
- Kaspersky (KVRT): Backdoor.Win32.NewRest.bc
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 9 weighted signals:
- ClamAV (daily) flagged {MD5}bin.trojan.rustock.9255.UNOFFICIAL (rule
{MD5}bin.trojan.rustock.9255.UNOFFICIAL) - engine signal, weight 0.90, confidence 0.95 - Memory forensics: 3 finding(s), e.g. RWX/private injected region in WebExperienceH (pid 5388) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Microsoft Defender flagged Backdoor:WinNT/Rustock.AN (rule
Backdoor:WinNT/Rustock.AN) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Gen:Trojan.Heur.Rustock.1 (rule
Gen:Trojan.Heur.Rustock.1) - engine signal, weight 0.55, confidence 0.85 - Trellix Stinger (McAfee) flagged Generic Trojan.he (rule
Generic Trojan.he) - engine signal, weight 0.55, confidence 0.85 - Contacted 33 external host(s) at runtime (9 HTTP) - network signal, weight 0.40, confidence 0.80
- YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: high-entropy-sections:.text - static signal, weight 0.25, confidence 0.55
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
20 behavior events · 1 ATT&CK techniques · 0 dropped files.
Runtime network
- www.msftconnecttest.com
- inference.location.live.net
- cdnjs.cloudflare.com
- c.pki.goog
- v10.events.data.microsoft.com
- login.live.com
- settings-win.data.microsoft.com
- v20.events.data.microsoft.com
- desktop-hsgcbep
- fd.api.iris.microsoft.com
- config.edge.skype.com
- windows.msn.com
- www.msn.com
- officeclient.microsoft.com
- odc.officeapps.live.com
- arc.msn.com
- assets.msn.com
- sdx.microsoft.com
- web.vortex.data.microsoft.com
- oloobe.officeapps.live.com
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- http://c.pki.goog/r/gsr1.crl
- http://c.pki.goog/r/r4.crl
- http://c.pki.goog/we1/_-4iFwfCacM.crl
Embedded domains
- inference.location.live.net
- content.lifecycle.office.net
Embedded IP addresses
- 23.40.52.209
- 4.207.44.64
- 48.211.4.16
- 20.42.65.88
- 52.123.252.229
- 4.230.171.124
- 20.190.167.20
- 4.247.188.224
- 20.247.184.197
- 52.123.252.239
- 74.178.76.44
- 72.147.149.16
- 74.179.77.164
- 135.233.95.144
- 74.178.76.128
- 172.178.240.161
- 150.171.22.17
- 23.33.238.102
- 20.11.121.11
- 142.250.195.227
- 104.17.25.14
- 150.171.109.24
- 23.198.47.52
- 23.198.40.44
- 172.192.176.118
File paths
- F:\yezb\kpdawblhheqvitocxxw\lcbt\objfre\i386\rtgwbuv.pdb
More Rustock samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report