dridex | c6cd31c4513f283548f5d6b9fa8581c5db04ea5bd6cf4f5538f37cd62d9c0f05

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 05:27

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General

Target

JaffaCakes118_c6cd31c4513f283548f5d6b9fa8581c5db04ea5bd6cf4f5538f37cd62d9c0f05.dll
Size

184KB
MD5

bb865e97265f855d1d3ed813559c3145
SHA1

fe651192412fad11725b70b40d70c1b199e249f1
SHA256

c6cd31c4513f283548f5d6b9fa8581c5db04ea5bd6cf4f5538f37cd62d9c0f05
SHA512

c9eef53bcb1572acbbfd38e394779b07d5b953f7f8037717fdc5e62adc6545831847657b8967db5cdc8ece2914b88d574c7491a1f629c5aa3661b0fa51375e0a
SSDEEP

3072:/uwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4Ktlmsb:F7TXYsd9SkONU1jKGlOlm

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/2736-1-0x0000000074D60000-0x0000000074D90000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2944	2736	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 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2736 wrote to memory of 2944	2736	rundll32.exe	31
PID 2736 wrote to memory of 2944	2736	rundll32.exe	31
PID 2736 wrote to memory of 2944	2736	rundll32.exe	31
PID 2736 wrote to memory of 2944	2736	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6cd31c4513f283548f5d6b9fa8581c5db04ea5bd6cf4f5538f37cd62d9c0f05.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6cd31c4513f283548f5d6b9fa8581c5db04ea5bd6cf4f5538f37cd62d9c0f05.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 220
    3⤵
    - Program crash
    PID:2944

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/2736-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2736-1-0x0000000074D60000-0x0000000074D90000-memory.dmp

Filesize
192KB

Download
memory/2736-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download