dridex | 76f52b3501f21a386da2fed4f96ef61cc0f2abd297ba4e68e677a12799a793cb

General

Target

bc5cd68f73dd7dfdd8baea4391ea27b2.dll
Size

177KB
MD5

bc5cd68f73dd7dfdd8baea4391ea27b2
SHA1

d288714dbe2c0029dc9fa6d74062e87f2768965d
SHA256

76f52b3501f21a386da2fed4f96ef61cc0f2abd297ba4e68e677a12799a793cb
SHA512

be07e9d6ff7bdf455f2ebcb69dd6cfd39ff2f913c9e774845e7c8e31d957911fe2df1117a20254fc25cb3581bf5c4304d46845fd28f4aa7331017e63dd5b04cc

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

45.79.91.89:9987

157.245.231.228:6051

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/2036-61-0x0000000074920000-0x0000000074950000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1380 2036 WerFault.exe rundll32.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

WerFault.exe

pid process

1380 WerFault.exe
1380 WerFault.exe
1380 WerFault.exe
1380 WerFault.exe
1380 WerFault.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1380 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1380 WerFault.exe

pid	pid_target	process	target process
1380	2036	WerFault.exe	rundll32.exe

pid	process
1380	WerFault.exe
1380	WerFault.exe
1380	WerFault.exe
1380	WerFault.exe
1380	WerFault.exe

pid	process
1380	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1380	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1080 wrote to memory of 2036	1080	rundll32.exe	rundll32.exe
PID 1080 wrote to memory of 2036	1080	rundll32.exe	rundll32.exe
PID 1080 wrote to memory of 2036	1080	rundll32.exe	rundll32.exe
PID 1080 wrote to memory of 2036	1080	rundll32.exe	rundll32.exe
PID 1080 wrote to memory of 2036	1080	rundll32.exe	rundll32.exe
PID 1080 wrote to memory of 2036	1080	rundll32.exe	rundll32.exe
PID 1080 wrote to memory of 2036	1080	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 1380	2036	rundll32.exe	WerFault.exe
PID 2036 wrote to memory of 1380	2036	rundll32.exe	WerFault.exe
PID 2036 wrote to memory of 1380	2036	rundll32.exe	WerFault.exe
PID 2036 wrote to memory of 1380	2036	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc5cd68f73dd7dfdd8baea4391ea27b2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1080

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc5cd68f73dd7dfdd8baea4391ea27b2.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 236
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1380

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1380-63-0x0000000000000000-mapping.dmp

Download
memory/1380-65-0x00000000004C0000-0x00000000004C1000-memory.dmp

Filesize
4KB

Download
memory/2036-59-0x0000000000000000-mapping.dmp

Download
memory/2036-60-0x0000000075561000-0x0000000075563000-memory.dmp

Filesize
8KB

Download
memory/2036-61-0x0000000074920000-0x0000000074950000-memory.dmp

Filesize
192KB

Download
memory/2036-64-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download

Analysis

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