dridex | a0c77f7d023cedf539f637643949e06b093e18cf091a615305cd8f748a8cc88e

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 04:38

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General

Target

JaffaCakes118_a0c77f7d023cedf539f637643949e06b093e18cf091a615305cd8f748a8cc88e.dll
Size

188KB
MD5

1f07d335dac9b5529361dcf67360ae3f
SHA1

d51ce9e96fa29c650ab25dd9a38243cf57f7d37d
SHA256

a0c77f7d023cedf539f637643949e06b093e18cf091a615305cd8f748a8cc88e
SHA512

33d3026d8520f781dfa9b50361a07fbb0afff00f5709e78e15f49c42ea6b3ff973be63d09826f75bb25d4c940a659959e82f9a405a1161c2ea5408af62a18fbf
SSDEEP

3072:XteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzv9qM:Pq7fYIHBZkTB6DWruUCOwjt

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/2328-1-0x00000000750E0000-0x0000000075110000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2524	2328	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 2036 wrote to memory of 2328	2036	rundll32.exe	30
PID 2036 wrote to memory of 2328	2036	rundll32.exe	30
PID 2036 wrote to memory of 2328	2036	rundll32.exe	30
PID 2036 wrote to memory of 2328	2036	rundll32.exe	30
PID 2036 wrote to memory of 2328	2036	rundll32.exe	30
PID 2036 wrote to memory of 2328	2036	rundll32.exe	30
PID 2036 wrote to memory of 2328	2036	rundll32.exe	30
PID 2328 wrote to memory of 2524	2328	rundll32.exe	32
PID 2328 wrote to memory of 2524	2328	rundll32.exe	32
PID 2328 wrote to memory of 2524	2328	rundll32.exe	32
PID 2328 wrote to memory of 2524	2328	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a0c77f7d023cedf539f637643949e06b093e18cf091a615305cd8f748a8cc88e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a0c77f7d023cedf539f637643949e06b093e18cf091a615305cd8f748a8cc88e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2328
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 300
    3⤵
    - Program crash
    PID:2524

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/2328-0-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2328-1-0x00000000750E0000-0x0000000075110000-memory.dmp

Filesize
192KB

Download
memory/2328-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download