dridex | 3cce3c32cb8449ed92cfbb0ded1978ba4b20b2be19c4f5ede41fda0373bacb34

General

Target

3cce3c32cb8449ed92cfbb0ded1978ba4b20b2be19c4f5ede41fda0373bacb34.dll
Size

188KB
MD5

008b0f32711c4cb3f2207b46833d1028
SHA1

26b492c6025cdfc91fcb8f485597922b6516f8de
SHA256

3cce3c32cb8449ed92cfbb0ded1978ba4b20b2be19c4f5ede41fda0373bacb34
SHA512

7fbaa2afac48dd0829e3d4dc97f3f778fdff49606afc527cf1f8f41163fa608ab01f1caa1796d87e3237eca01f93c34fa27351db8b4d315c9dea5b8eb756d06b

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

116.251.211.158:443

216.10.242.142:6601

37.247.35.137:6601

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1404-4-0x0000000075560000-0x0000000075591000-memory.dmp	dridex_ldr
behavioral1/memory/1404-6-0x0000000075560000-0x000000007557F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

4 1404 rundll32.exe
7 1404 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

flow	pid	process
4	1404	rundll32.exe
7	1404	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 292 wrote to memory of 1404	292	rundll32.exe	rundll32.exe
PID 292 wrote to memory of 1404	292	rundll32.exe	rundll32.exe
PID 292 wrote to memory of 1404	292	rundll32.exe	rundll32.exe
PID 292 wrote to memory of 1404	292	rundll32.exe	rundll32.exe
PID 292 wrote to memory of 1404	292	rundll32.exe	rundll32.exe
PID 292 wrote to memory of 1404	292	rundll32.exe	rundll32.exe
PID 292 wrote to memory of 1404	292	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3cce3c32cb8449ed92cfbb0ded1978ba4b20b2be19c4f5ede41fda0373bacb34.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:292
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3cce3c32cb8449ed92cfbb0ded1978ba4b20b2be19c4f5ede41fda0373bacb34.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1404

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1404-2-0x0000000000000000-mapping.dmp

Download
memory/1404-3-0x0000000076861000-0x0000000076863000-memory.dmp

Filesize
8KB

Download
memory/1404-4-0x0000000075560000-0x0000000075591000-memory.dmp

Filesize
196KB

Download
memory/1404-5-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/1404-6-0x0000000075560000-0x000000007557F000-memory.dmp

Filesize
124KB

Download
memory/1552-7-0x000007FEF6B80000-0x000007FEF6DFA000-memory.dmp

Filesize
2.5MB

Download

Analysis

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