dridex | f3ec4b95ab1f42ae4945f14d78bd12f9200c972e1d7ec98d986e4a8bf321e963

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:48

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General

Target

JaffaCakes118_f3ec4b95ab1f42ae4945f14d78bd12f9200c972e1d7ec98d986e4a8bf321e963.dll
Size

184KB
MD5

bd41348ae65c72852226d312fac929ab
SHA1

666266478c6213a413f1e70327ffe62a054e7c4b
SHA256

f3ec4b95ab1f42ae4945f14d78bd12f9200c972e1d7ec98d986e4a8bf321e963
SHA512

f7bd0f507d7a349bc887c112b6029fdc10c0f6d6fb68d42c5b22558830c9ceb3e5c2f52cd8c7b206fab6ed5145fecc92e3db9ab56f59af1f6ae21904d5678759
SSDEEP

3072:+uwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4KBlmsb:A7TXYsd9SkONU1jKGl6lm

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2648-0-0x0000000075080000-0x00000000750B0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2700	2648	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 1908 wrote to memory of 2648	1908	rundll32.exe	30
PID 1908 wrote to memory of 2648	1908	rundll32.exe	30
PID 1908 wrote to memory of 2648	1908	rundll32.exe	30
PID 1908 wrote to memory of 2648	1908	rundll32.exe	30
PID 1908 wrote to memory of 2648	1908	rundll32.exe	30
PID 1908 wrote to memory of 2648	1908	rundll32.exe	30
PID 1908 wrote to memory of 2648	1908	rundll32.exe	30
PID 2648 wrote to memory of 2700	2648	rundll32.exe	31
PID 2648 wrote to memory of 2700	2648	rundll32.exe	31
PID 2648 wrote to memory of 2700	2648	rundll32.exe	31
PID 2648 wrote to memory of 2700	2648	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f3ec4b95ab1f42ae4945f14d78bd12f9200c972e1d7ec98d986e4a8bf321e963.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f3ec4b95ab1f42ae4945f14d78bd12f9200c972e1d7ec98d986e4a8bf321e963.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 220
    3⤵
    - Program crash
    PID:2700

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

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Downloads

memory/2648-2-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

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memory/2648-0-0x0000000075080000-0x00000000750B0000-memory.dmp

Filesize
192KB

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