dridex | 4a829594e255648957a3b5acfbb7166d411d602c27377a4d456cd3762f641d32

Analysis

max time kernel
18s
max time network
139s
platform
windows10_x64
resource
win10v20210410
submitted
10-06-2021 23:34

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General

Target

4a829594e255648957a3b5acfbb7166d411d602c27377a4d456cd3762f641d32.dll
Size

174KB
MD5

273e85b905184a40605cfe8dd2cbaa0a
SHA1

0feaddb38b8a6723cb93b681621ef343c243b95a
SHA256

4a829594e255648957a3b5acfbb7166d411d602c27377a4d456cd3762f641d32
SHA512

0e4d4b9ba8fa3773f5fda9ce1e8d3bfe78760df1b03e07f33ce204447d83750df82b764c1862c403f7d28009bc2117782b4dbbd3ab2f3b5f1e6f7f0f5f5f9966

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

178.128.220.64:30333

45.79.91.89:9987

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/3180-115-0x00000000736B0000-0x00000000736E0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1296 3180 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1296	3180	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
1296	WerFault.exe
1296	WerFault.exe
1296	WerFault.exe
1296	WerFault.exe
1296	WerFault.exe
1296	WerFault.exe
1296	WerFault.exe
1296	WerFault.exe
1296	WerFault.exe
1296	WerFault.exe
1296	WerFault.exe
1296	WerFault.exe
1296	WerFault.exe
1296	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1296 WerFault.exe
Token: SeBackupPrivilege 1296 WerFault.exe
Token: SeDebugPrivilege 1296 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1296	WerFault.exe
Token: SeBackupPrivilege	1296	WerFault.exe
Token: SeDebugPrivilege	1296	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3656 wrote to memory of 3180	3656	rundll32.exe	rundll32.exe
PID 3656 wrote to memory of 3180	3656	rundll32.exe	rundll32.exe
PID 3656 wrote to memory of 3180	3656	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4a829594e255648957a3b5acfbb7166d411d602c27377a4d456cd3762f641d32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3656

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4a829594e255648957a3b5acfbb7166d411d602c27377a4d456cd3762f641d32.dll,#1
2⤵
PID:3180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3180 -s 656
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1296

MITRE ATT&CK Matrix

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Downloads

memory/3180-114-0x0000000000000000-mapping.dmp

Download
memory/3180-115-0x00000000736B0000-0x00000000736E0000-memory.dmp

Filesize
192KB

Download
memory/3180-117-0x0000000000B30000-0x0000000000B36000-memory.dmp

Filesize
24KB

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads