dridex | 84d1c2321dd2bb9eefa73074fd6fb43e740c07d0cd225b4d541fd1f45b11e3d4

Analysis

max time kernel
17s
max time network
124s
platform
windows10_x64
resource
win10v20210410
submitted
10-08-2021 06:14

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General

Target

84d1c2321dd2bb9eefa73074fd6fb43e740c07d0cd225b4d541fd1f45b11e3d4.dll
Size

184KB
MD5

4ed9bb7e750b42027a0d4f6c753bdc02
SHA1

ee3d625aed5dab45bcf2a450b9071fd82b64aeea
SHA256

84d1c2321dd2bb9eefa73074fd6fb43e740c07d0cd225b4d541fd1f45b11e3d4
SHA512

a4c7d7842e32020cd874b2e8b7b55e81dcf4763e25033fc61566fe8b6998b08ae026bc6c02b40377522e61d8f5b0df8b672c666d0fc6dc94f4d6205af5476372

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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/4084-115-0x0000000073AA0000-0x0000000073AD0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

932 4084 WerFault.exe rundll32.exe

pid	pid_target	process	target process
932	4084	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
932	WerFault.exe
932	WerFault.exe
932	WerFault.exe
932	WerFault.exe
932	WerFault.exe
932	WerFault.exe
932	WerFault.exe
932	WerFault.exe
932	WerFault.exe
932	WerFault.exe
932	WerFault.exe
932	WerFault.exe
932	WerFault.exe
932	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 932 WerFault.exe
Token: SeBackupPrivilege 932 WerFault.exe
Token: SeDebugPrivilege 932 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	932	WerFault.exe
Token: SeBackupPrivilege	932	WerFault.exe
Token: SeDebugPrivilege	932	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3016 wrote to memory of 4084	3016	rundll32.exe	rundll32.exe
PID 3016 wrote to memory of 4084	3016	rundll32.exe	rundll32.exe
PID 3016 wrote to memory of 4084	3016	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\84d1c2321dd2bb9eefa73074fd6fb43e740c07d0cd225b4d541fd1f45b11e3d4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3016

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\84d1c2321dd2bb9eefa73074fd6fb43e740c07d0cd225b4d541fd1f45b11e3d4.dll,#1
2⤵
PID:4084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 620
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:932

MITRE ATT&CK Matrix

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Downloads

memory/4084-114-0x0000000000000000-mapping.dmp

Download
memory/4084-115-0x0000000073AA0000-0x0000000073AD0000-memory.dmp

Filesize
192KB

Download
memory/4084-117-0x0000000000600000-0x000000000074A000-memory.dmp

Filesize
1.3MB

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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