dridex | fac37d736d05a4311a2b41877cdf5da53c3a5a4bf1373325ca6db2b72f672b72

Analysis

max time kernel
22s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
11-06-2021 03:21

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General

Target

fac37d736d05a4311a2b41877cdf5da53c3a5a4bf1373325ca6db2b72f672b72.dll
Size

174KB
MD5

2c40260cfa90bfe815711b4aec7ed69c
SHA1

f1afe5720fb291fdc4c08d44c4af0ff2159ce980
SHA256

fac37d736d05a4311a2b41877cdf5da53c3a5a4bf1373325ca6db2b72f672b72
SHA512

60eaf1d386b5826f84f13c0cc8971684257bfaba19d13d5870cb87356110cccd7a80db287a44f0f8b3ee125c3df1d0b415c267f7ce15d52ed98eb89a7252d18d

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/828-115-0x00000000735F0000-0x0000000073620000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3196 828 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3196	828	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3196 WerFault.exe
Token: SeBackupPrivilege 3196 WerFault.exe
Token: SeDebugPrivilege 3196 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3196	WerFault.exe
Token: SeBackupPrivilege	3196	WerFault.exe
Token: SeDebugPrivilege	3196	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 596 wrote to memory of 828	596	rundll32.exe	rundll32.exe
PID 596 wrote to memory of 828	596	rundll32.exe	rundll32.exe
PID 596 wrote to memory of 828	596	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fac37d736d05a4311a2b41877cdf5da53c3a5a4bf1373325ca6db2b72f672b72.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:596

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fac37d736d05a4311a2b41877cdf5da53c3a5a4bf1373325ca6db2b72f672b72.dll,#1
2⤵
PID:828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 828 -s 644
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3196

MITRE ATT&CK Matrix

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Downloads

memory/828-114-0x0000000000000000-mapping.dmp

Download
memory/828-115-0x00000000735F0000-0x0000000073620000-memory.dmp

Filesize
192KB

Download
memory/828-117-0x0000000000C00000-0x0000000000CAE000-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