dridex | bdf2267599c0025c6804d9acf3c09003afae4427a72e35f9b47534affcdb5f27

Analysis

max time kernel
26s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
11-06-2021 00:07

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General

Target

bdf2267599c0025c6804d9acf3c09003afae4427a72e35f9b47534affcdb5f27.dll
Size

174KB
MD5

034f0b25df5655e712f7197aa217fe03
SHA1

c503ad08328efeafa4d450c7398c10ec842885fb
SHA256

bdf2267599c0025c6804d9acf3c09003afae4427a72e35f9b47534affcdb5f27
SHA512

6898e2db5ef02682d29957d65bee4e6cbe509a233779c064cfb03b294467bcbb4f5671584ee6f53d52042a8d5d5dc05fec948d45593a7c25062268f8dc442f1e

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/1124-115-0x0000000074310000-0x0000000074340000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1336 1124 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1336	1124	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
1336	WerFault.exe
1336	WerFault.exe
1336	WerFault.exe
1336	WerFault.exe
1336	WerFault.exe
1336	WerFault.exe
1336	WerFault.exe
1336	WerFault.exe
1336	WerFault.exe
1336	WerFault.exe
1336	WerFault.exe
1336	WerFault.exe
1336	WerFault.exe
1336	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1336 WerFault.exe
Token: SeBackupPrivilege 1336 WerFault.exe
Token: SeDebugPrivilege 1336 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1336	WerFault.exe
Token: SeBackupPrivilege	1336	WerFault.exe
Token: SeDebugPrivilege	1336	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 900 wrote to memory of 1124	900	rundll32.exe	rundll32.exe
PID 900 wrote to memory of 1124	900	rundll32.exe	rundll32.exe
PID 900 wrote to memory of 1124	900	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bdf2267599c0025c6804d9acf3c09003afae4427a72e35f9b47534affcdb5f27.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:900

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bdf2267599c0025c6804d9acf3c09003afae4427a72e35f9b47534affcdb5f27.dll,#1
2⤵
PID:1124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1124 -s 644
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1336

MITRE ATT&CK Matrix

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Downloads

memory/1124-114-0x0000000000000000-mapping.dmp

Download
memory/1124-115-0x0000000074310000-0x0000000074340000-memory.dmp

Filesize
192KB

Download
memory/1124-117-0x0000000002A00000-0x0000000002B4A000-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