dridex | 84c54cd76f3ac50f2f2e4afa57802d576bc5dd3c92cde50850feb04e02461ba3

General

Target

86a93f39f3390d3c284b99e81e8b1a7d.dll
Size

176KB
MD5

86a93f39f3390d3c284b99e81e8b1a7d
SHA1

7e534c2819b1ce06380afb1bd3a4ee6841fe5878
SHA256

84c54cd76f3ac50f2f2e4afa57802d576bc5dd3c92cde50850feb04e02461ba3
SHA512

54869aee77789544aff1ad81a6aacae75478b668a49a2e11a39157d2149eb161ed4b6b7805f8e47fec0b085fcfbe964f6e53e0a0d30af2eb105d4aeabae18104

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/1392-62-0x0000000075200000-0x0000000075231000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1280 1392 WerFault.exe rundll32.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

WerFault.exe

pid process

1280 WerFault.exe
1280 WerFault.exe
1280 WerFault.exe
1280 WerFault.exe
1280 WerFault.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1280 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1280 WerFault.exe

pid	pid_target	process	target process
1280	1392	WerFault.exe	rundll32.exe

pid	process
1280	WerFault.exe
1280	WerFault.exe
1280	WerFault.exe
1280	WerFault.exe
1280	WerFault.exe

pid	process
1280	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1280	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 772 wrote to memory of 1392	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 1392	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 1392	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 1392	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 1392	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 1392	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 1392	772	rundll32.exe	rundll32.exe
PID 1392 wrote to memory of 1280	1392	rundll32.exe	WerFault.exe
PID 1392 wrote to memory of 1280	1392	rundll32.exe	WerFault.exe
PID 1392 wrote to memory of 1280	1392	rundll32.exe	WerFault.exe
PID 1392 wrote to memory of 1280	1392	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\86a93f39f3390d3c284b99e81e8b1a7d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:772

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\86a93f39f3390d3c284b99e81e8b1a7d.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1392 -s 224
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1280

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1280-64-0x0000000000000000-mapping.dmp

Download
memory/1280-66-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/1392-60-0x0000000000000000-mapping.dmp

Download
memory/1392-61-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

Filesize
8KB

Download
memory/1392-62-0x0000000075200000-0x0000000075231000-memory.dmp

Filesize
196KB

Download
memory/1392-65-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download

Analysis

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