dridex | 7a64e750e4ffda0b1731bf0449d335d2e23d0b76bb3d66830f5fb740fdc0ca4a

General

Target

7a64e750e4ffda0b1731bf0449d335d2e23d0b76bb3d66830f5fb740fdc0ca4a.dll
Size

175KB
MD5

e92d48a038b4208fafd89f2ed6c630fb
SHA1

058d63533e5794a82f173246197584361c644115
SHA256

7a64e750e4ffda0b1731bf0449d335d2e23d0b76bb3d66830f5fb740fdc0ca4a
SHA512

808f4ca14e161c8b6e31ba0538f8ae886acb52c37e5f93138a9c86189f5a109b6fa33cf30749c1d08af8bb5315ce60b114225af8055b1ab15f2e568b3463a5e4

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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/1972-61-0x0000000074740000-0x0000000074770000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1800 1972 WerFault.exe rundll32.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

WerFault.exe

pid process

1800 WerFault.exe
1800 WerFault.exe
1800 WerFault.exe
1800 WerFault.exe
1800 WerFault.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1800 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1800 WerFault.exe

pid	pid_target	process	target process
1800	1972	WerFault.exe	rundll32.exe

pid	process
1800	WerFault.exe
1800	WerFault.exe
1800	WerFault.exe
1800	WerFault.exe
1800	WerFault.exe

pid	process
1800	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1800	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1996 wrote to memory of 1972	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1972	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1972	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1972	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1972	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1972	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1972	1996	rundll32.exe	rundll32.exe
PID 1972 wrote to memory of 1800	1972	rundll32.exe	WerFault.exe
PID 1972 wrote to memory of 1800	1972	rundll32.exe	WerFault.exe
PID 1972 wrote to memory of 1800	1972	rundll32.exe	WerFault.exe
PID 1972 wrote to memory of 1800	1972	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a64e750e4ffda0b1731bf0449d335d2e23d0b76bb3d66830f5fb740fdc0ca4a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a64e750e4ffda0b1731bf0449d335d2e23d0b76bb3d66830f5fb740fdc0ca4a.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 224
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:1800

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1800-63-0x0000000000000000-mapping.dmp

Download
memory/1800-65-0x0000000000750000-0x0000000000751000-memory.dmp

Filesize
4KB

Download
memory/1972-59-0x0000000000000000-mapping.dmp

Download
memory/1972-60-0x0000000075D41000-0x0000000075D43000-memory.dmp

Filesize
8KB

Download
memory/1972-61-0x0000000074740000-0x0000000074770000-memory.dmp

Filesize
192KB

Download
memory/1972-64-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download

Analysis

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