dridex | 4995e71c3a4a05917f3518a01f50d82666efeb528115a2a3667850de7435fd6b

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 23:06

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General

Target

JaffaCakes118_4995e71c3a4a05917f3518a01f50d82666efeb528115a2a3667850de7435fd6b.dll
Size

184KB
MD5

4bc4171513f6c4f0455e9731bf0896f0
SHA1

65568c388a8a832013fc6834e5ba5dc68cc51409
SHA256

4995e71c3a4a05917f3518a01f50d82666efeb528115a2a3667850de7435fd6b
SHA512

9ca9eabfd8cdb610c0187be9ec547ecdda829b2fe6def5ccfb8e65d61e15eb62120a0da7fe954717c1a82588b16d7dc01477ccc2459a6004189a5dcb81a27ee8
SSDEEP

3072:liLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoplzoxss7:liLVCIT4WK2z1W+CUHZj4Skq/eao3oC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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/2244-0-0x0000000074A20000-0x0000000074A4F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2340	2244	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 2156 wrote to memory of 2244	2156	rundll32.exe	30
PID 2156 wrote to memory of 2244	2156	rundll32.exe	30
PID 2156 wrote to memory of 2244	2156	rundll32.exe	30
PID 2156 wrote to memory of 2244	2156	rundll32.exe	30
PID 2156 wrote to memory of 2244	2156	rundll32.exe	30
PID 2156 wrote to memory of 2244	2156	rundll32.exe	30
PID 2156 wrote to memory of 2244	2156	rundll32.exe	30
PID 2244 wrote to memory of 2340	2244	rundll32.exe	32
PID 2244 wrote to memory of 2340	2244	rundll32.exe	32
PID 2244 wrote to memory of 2340	2244	rundll32.exe	32
PID 2244 wrote to memory of 2340	2244	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4995e71c3a4a05917f3518a01f50d82666efeb528115a2a3667850de7435fd6b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4995e71c3a4a05917f3518a01f50d82666efeb528115a2a3667850de7435fd6b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2244
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 220
    3⤵
    - Program crash
    PID:2340

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/2244-0-0x0000000074A20000-0x0000000074A4F000-memory.dmp

Filesize
188KB

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memory/2244-2-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

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