dridex | bc7f7468fd7df59a6d1091f353365493149667d735b4b4db2fd4505d906e54f3

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:28

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General

Target

JaffaCakes118_bc7f7468fd7df59a6d1091f353365493149667d735b4b4db2fd4505d906e54f3.dll
Size

188KB
MD5

ee599d0620403d5ed0420981acb08459
SHA1

678982ddf63e796488bca5a9f4fda1f720fa26d8
SHA256

bc7f7468fd7df59a6d1091f353365493149667d735b4b4db2fd4505d906e54f3
SHA512

f83027219dfaa4d2fe6bcccbcc494310491f1b7201825abd0df8dee6258920f866cf5a7e692ea2ca2fbc0c287d6cd86b739114007eff8013795feee4a7ec46b3
SSDEEP

3072:QteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzM9qM:Eq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Dridex family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1916-1-0x00000000747B0000-0x00000000747E0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2816	1916	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 1916	844	rundll32.exe	30
PID 844 wrote to memory of 1916	844	rundll32.exe	30
PID 844 wrote to memory of 1916	844	rundll32.exe	30
PID 844 wrote to memory of 1916	844	rundll32.exe	30
PID 844 wrote to memory of 1916	844	rundll32.exe	30
PID 844 wrote to memory of 1916	844	rundll32.exe	30
PID 844 wrote to memory of 1916	844	rundll32.exe	30
PID 1916 wrote to memory of 2816	1916	rundll32.exe	31
PID 1916 wrote to memory of 2816	1916	rundll32.exe	31
PID 1916 wrote to memory of 2816	1916	rundll32.exe	31
PID 1916 wrote to memory of 2816	1916	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc7f7468fd7df59a6d1091f353365493149667d735b4b4db2fd4505d906e54f3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:844
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc7f7468fd7df59a6d1091f353365493149667d735b4b4db2fd4505d906e54f3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 308
    3⤵
    - Program crash
    PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1916-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

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memory/1916-1-0x00000000747B0000-0x00000000747E0000-memory.dmp

Filesize
192KB

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