dridex | e26c7e7c111e41d766ab313e1c4c0f17cbc9710aee23248b017735caf97f2a0e

General

Target

45d9d9c13a4b2f77a5635a64cd58bd03.dll
Size

175KB
MD5

45d9d9c13a4b2f77a5635a64cd58bd03
SHA1

be2b540f68f41a7a05e7d68c52712347f979b706
SHA256

e26c7e7c111e41d766ab313e1c4c0f17cbc9710aee23248b017735caf97f2a0e
SHA512

2f72bc059afaf29cfdbd207684486ea3c32ce7f640bc8b1002948a7bdf987b5c7dbd35b3dc917b54f853683d1b331e61c619c1c309e3bedd15308a4ebfa5f141

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2004-61-0x0000000075470000-0x00000000754A0000-memory.dmp	dridex_ldr
behavioral1/memory/1608-65-0x00000000002F0000-0x0000000000350000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1608 2004 WerFault.exe rundll32.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

WerFault.exe

pid process

1608 WerFault.exe
1608 WerFault.exe
1608 WerFault.exe
1608 WerFault.exe
1608 WerFault.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1608 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1608 WerFault.exe

pid	pid_target	process	target process
1608	2004	WerFault.exe	rundll32.exe

pid	process
1608	WerFault.exe
1608	WerFault.exe
1608	WerFault.exe
1608	WerFault.exe
1608	WerFault.exe

pid	process
1608	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1608	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1084 wrote to memory of 2004	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 2004	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 2004	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 2004	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 2004	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 2004	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 2004	1084	rundll32.exe	rundll32.exe
PID 2004 wrote to memory of 1608	2004	rundll32.exe	WerFault.exe
PID 2004 wrote to memory of 1608	2004	rundll32.exe	WerFault.exe
PID 2004 wrote to memory of 1608	2004	rundll32.exe	WerFault.exe
PID 2004 wrote to memory of 1608	2004	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\45d9d9c13a4b2f77a5635a64cd58bd03.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\45d9d9c13a4b2f77a5635a64cd58bd03.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 224
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:1608

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1608-63-0x0000000000000000-mapping.dmp

Download
memory/1608-65-0x00000000002F0000-0x0000000000350000-memory.dmp

Filesize
384KB

Download
memory/2004-59-0x0000000000000000-mapping.dmp

Download
memory/2004-60-0x0000000075A31000-0x0000000075A33000-memory.dmp

Filesize
8KB

Download
memory/2004-61-0x0000000075470000-0x00000000754A0000-memory.dmp

Filesize
192KB

Download
memory/2004-64-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download

Analysis

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