dridex | 3cf30700906f5c73d08efb985858a9420ce730274303ab1596987893a6b27f71

Analysis

max time kernel
25s
max time network
118s
platform
windows10_x64
resource
win10v20210408
submitted
11-06-2021 00:36

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General

Target

3cf30700906f5c73d08efb985858a9420ce730274303ab1596987893a6b27f71.dll
Size

174KB
MD5

d6a8308831c8f41f3b0e14a0259748b1
SHA1

5770e77e4adef85bbcc3b4921458761ea7860b54
SHA256

3cf30700906f5c73d08efb985858a9420ce730274303ab1596987893a6b27f71
SHA512

a196f7ad2c9a214af6e7bda0163aa7ebc8f993b1d24cbfc3df9e53565f1a4fd3bef37b2f81fc047cbbe11a16007bd4cf56bf4f1ef47d2c6cf53ac7c8af3cbcf5

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/1264-115-0x0000000074260000-0x0000000074290000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3156 1264 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3156	1264	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3156	WerFault.exe
3156	WerFault.exe
3156	WerFault.exe
3156	WerFault.exe
3156	WerFault.exe
3156	WerFault.exe
3156	WerFault.exe
3156	WerFault.exe
3156	WerFault.exe
3156	WerFault.exe
3156	WerFault.exe
3156	WerFault.exe
3156	WerFault.exe
3156	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3156 WerFault.exe
Token: SeBackupPrivilege 3156 WerFault.exe
Token: SeDebugPrivilege 3156 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3156	WerFault.exe
Token: SeBackupPrivilege	3156	WerFault.exe
Token: SeDebugPrivilege	3156	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 64 wrote to memory of 1264	64	rundll32.exe	rundll32.exe
PID 64 wrote to memory of 1264	64	rundll32.exe	rundll32.exe
PID 64 wrote to memory of 1264	64	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3cf30700906f5c73d08efb985858a9420ce730274303ab1596987893a6b27f71.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:64

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3cf30700906f5c73d08efb985858a9420ce730274303ab1596987893a6b27f71.dll,#1
2⤵
PID:1264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1264 -s 648
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3156

MITRE ATT&CK Matrix

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Downloads

memory/1264-114-0x0000000000000000-mapping.dmp

Download
memory/1264-115-0x0000000074260000-0x0000000074290000-memory.dmp

Filesize
192KB

Download
memory/1264-117-0x0000000000CD0000-0x0000000000CD6000-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