dridex | b7caa7be4f8ed3e5fcf4184c8c54a95a5cb36c3189bf70c011eb57603adde447

Analysis

max time kernel
24s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
11-06-2021 00:14

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General

Target

b7caa7be4f8ed3e5fcf4184c8c54a95a5cb36c3189bf70c011eb57603adde447.dll
Size

174KB
MD5

da2a26eb159f9623ca2b4b904dbe67ba
SHA1

231d9900cd92cab205e04d233741aa3702adadf7
SHA256

b7caa7be4f8ed3e5fcf4184c8c54a95a5cb36c3189bf70c011eb57603adde447
SHA512

d63cf3c591063d0ee72885288eccd23a29e34dfd3cb5c5bccef020caf6ee0ca16bb707bf2970d366ddfea738e3187b363eebd11c9860ad64b2797fe133a049ac

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/1884-115-0x0000000073530000-0x0000000073560000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3416 1884 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3416	1884	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3416	WerFault.exe
3416	WerFault.exe
3416	WerFault.exe
3416	WerFault.exe
3416	WerFault.exe
3416	WerFault.exe
3416	WerFault.exe
3416	WerFault.exe
3416	WerFault.exe
3416	WerFault.exe
3416	WerFault.exe
3416	WerFault.exe
3416	WerFault.exe
3416	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3416 WerFault.exe
Token: SeBackupPrivilege 3416 WerFault.exe
Token: SeDebugPrivilege 3416 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3416	WerFault.exe
Token: SeBackupPrivilege	3416	WerFault.exe
Token: SeDebugPrivilege	3416	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4024 wrote to memory of 1884	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 1884	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 1884	4024	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7caa7be4f8ed3e5fcf4184c8c54a95a5cb36c3189bf70c011eb57603adde447.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7caa7be4f8ed3e5fcf4184c8c54a95a5cb36c3189bf70c011eb57603adde447.dll,#1
2⤵
PID:1884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 644
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3416

MITRE ATT&CK Matrix

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Downloads

memory/1884-114-0x0000000000000000-mapping.dmp

Download
memory/1884-115-0x0000000073530000-0x0000000073560000-memory.dmp

Filesize
192KB

Download
memory/1884-117-0x0000000003000000-0x00000000030AE000-memory.dmp

Filesize
696KB

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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