dridex | ef08eafe517a3af06bb806865de42aac88231aac2e1462fa5b44b0db7231cf28

General

Target

8b8ec117d4cc2eb8cb246433c1090dec.dll
Size

176KB
MD5

8b8ec117d4cc2eb8cb246433c1090dec
SHA1

61dc358323c1df9334c5169e133ba57ee6bc5186
SHA256

ef08eafe517a3af06bb806865de42aac88231aac2e1462fa5b44b0db7231cf28
SHA512

d696dcfdbffca68e0bf95bf6034c59b8276a4ca18f30de254e9b86d35623130b20ddd5ef66f1df4e1bbf9b23f2a075dd5991cbc059b16cfe9749f1d0c45970dc

Score

10^/10

dridex 22202 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22202

C2

178.238.236.59:443

104.245.52.73:5007

81.0.236.93:13786

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1848-62-0x0000000074A20000-0x0000000074A51000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1644 1848 WerFault.exe rundll32.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

WerFault.exe

pid process

1644 WerFault.exe
1644 WerFault.exe
1644 WerFault.exe
1644 WerFault.exe
1644 WerFault.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1644 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1644 WerFault.exe

pid	pid_target	process	target process
1644	1848	WerFault.exe	rundll32.exe

pid	process
1644	WerFault.exe
1644	WerFault.exe
1644	WerFault.exe
1644	WerFault.exe
1644	WerFault.exe

pid	process
1644	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1644	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1672 wrote to memory of 1848	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1848	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1848	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1848	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1848	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1848	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1848	1672	rundll32.exe	rundll32.exe
PID 1848 wrote to memory of 1644	1848	rundll32.exe	WerFault.exe
PID 1848 wrote to memory of 1644	1848	rundll32.exe	WerFault.exe
PID 1848 wrote to memory of 1644	1848	rundll32.exe	WerFault.exe
PID 1848 wrote to memory of 1644	1848	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b8ec117d4cc2eb8cb246433c1090dec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b8ec117d4cc2eb8cb246433c1090dec.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1848
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1848 -s 224
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:1644

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1644-64-0x0000000000000000-mapping.dmp

Download
memory/1644-66-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/1848-60-0x0000000000000000-mapping.dmp

Download
memory/1848-61-0x0000000075721000-0x0000000075723000-memory.dmp

Filesize
8KB

Download
memory/1848-62-0x0000000074A20000-0x0000000074A51000-memory.dmp

Filesize
196KB

Download
memory/1848-65-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing