b37300bd4673374262ba3896838467c649976d657e4a047f40037d9a124a9e46 | Triage

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Overview

overview

Static

static

b37300bd46...46.exe

windows7-x64

b37300bd46...46.exe

windows10-2004-x64

Sharing

General

Target

b37300bd4673374262ba3896838467c649976d657e4a047f40037d9a124a9e46
Size

320KB
Sample

221201-18aa2sba31
MD5

6d51303da26daa83864b98ec0dd5edc1
SHA1

b4045caba0ec3295830652210fd0b80c06033b3b
SHA256

b37300bd4673374262ba3896838467c649976d657e4a047f40037d9a124a9e46
SHA512

40e2f920b9fb31b041b7a7c8513440626c028645ebd1dd7c21c286941932071b0d420a491a9936a46445fe2dc07644f297ff0b75027110610b6a96e92d3c48e8
SSDEEP

6144:XTwEo1IV3puaibGKFHi0mofhaH05kipz016580bHFMdkhq86JQPDHDdx/QtqR:DCgvmzFHi0mo5aH0qMzd5807F7qPJQPx

Score

10^/10

evasion persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

b37300bd4673374262ba3896838467c649976d657e4a047f40037d9a124a9e46.exe

Resource

win7-20220812-en

evasion persistence trojan

windows7-x64

17 signatures

150 seconds

Behavioral task

behavioral2

Sample

b37300bd4673374262ba3896838467c649976d657e4a047f40037d9a124a9e46.exe

Resource

win10v2004-20221111-en

evasion persistence trojan

windows10-2004-x64

19 signatures

150 seconds

Malware Config

Targets

- Target
  
  b37300bd4673374262ba3896838467c649976d657e4a047f40037d9a124a9e46
- Size
  
  320KB
- MD5
  
  6d51303da26daa83864b98ec0dd5edc1
- SHA1
  
  b4045caba0ec3295830652210fd0b80c06033b3b
- SHA256
  
  b37300bd4673374262ba3896838467c649976d657e4a047f40037d9a124a9e46
- SHA512
  
  40e2f920b9fb31b041b7a7c8513440626c028645ebd1dd7c21c286941932071b0d420a491a9936a46445fe2dc07644f297ff0b75027110610b6a96e92d3c48e8
- SSDEEP
  
  6144:XTwEo1IV3puaibGKFHi0mofhaH05kipz016580bHFMdkhq86JQPDHDdx/QtqR:DCgvmzFHi0mo5aH0qMzd5807F7qPJQPx
Score

10^/10

evasion persistence trojan
- Modifies WinLogon for persistence
  persistence
- UAC bypass
  evasion trojan
- Adds policy Run key to start application
  persistence
- Disables RegEdit via registry modification
  evasion
- Executes dropped EXE
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL
- Adds Run key to start application
  persistence
- Checks whether UAC is enabled
  evasion trojan
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Bypass User Account Control

Defense Evasion

Bypass User Account Control

Disabling Security Tools

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

evasionpersistencetrojan

behavioral2

evasionpersistencetrojan

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