dridex | a5b58c8136b0526c95a5da3724a2f43b121ac8a9b1f99ee9db54bc2d1a0f6f02

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 11:03

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General

Target

JaffaCakes118_a5b58c8136b0526c95a5da3724a2f43b121ac8a9b1f99ee9db54bc2d1a0f6f02.dll
Size

188KB
MD5

c242793c5282a4252594ab0a81b2010b
SHA1

365df2f93dcebae2f75b0463627e89b00f536529
SHA256

a5b58c8136b0526c95a5da3724a2f43b121ac8a9b1f99ee9db54bc2d1a0f6f02
SHA512

98894970b7a2141713e135d9a716f945c53613eae2d3c86188c6dc7cf58917669aa63909051b57603f798df910708b90b9efc0615d5696012c947e59a2ee7d25
SSDEEP

3072:xteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzU9qM:dq7fYIHBZkTB6DWruUCOwjt

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/1980-1-0x0000000075270000-0x00000000752A0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3052	1980	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 1920 wrote to memory of 1980	1920	rundll32.exe	30
PID 1920 wrote to memory of 1980	1920	rundll32.exe	30
PID 1920 wrote to memory of 1980	1920	rundll32.exe	30
PID 1920 wrote to memory of 1980	1920	rundll32.exe	30
PID 1920 wrote to memory of 1980	1920	rundll32.exe	30
PID 1920 wrote to memory of 1980	1920	rundll32.exe	30
PID 1920 wrote to memory of 1980	1920	rundll32.exe	30
PID 1980 wrote to memory of 3052	1980	rundll32.exe	31
PID 1980 wrote to memory of 3052	1980	rundll32.exe	31
PID 1980 wrote to memory of 3052	1980	rundll32.exe	31
PID 1980 wrote to memory of 3052	1980	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5b58c8136b0526c95a5da3724a2f43b121ac8a9b1f99ee9db54bc2d1a0f6f02.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5b58c8136b0526c95a5da3724a2f43b121ac8a9b1f99ee9db54bc2d1a0f6f02.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1980
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 300
    3⤵
    - Program crash
    PID:3052

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/1980-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1980-1-0x0000000075270000-0x00000000752A0000-memory.dmp

Filesize
192KB

Download
memory/1980-3-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

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