dridex | 51f8b5cc7424e6667e4df5d1c8b459fb69c53c28970b7e70290535ba74b19a1f

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:40

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General

Target

JaffaCakes118_51f8b5cc7424e6667e4df5d1c8b459fb69c53c28970b7e70290535ba74b19a1f.dll
Size

184KB
MD5

b81b69885a6231d4eb7e16da2a9b511d
SHA1

9c7b2f8c3b0548e03ef0b322fd01fb0369566298
SHA256

51f8b5cc7424e6667e4df5d1c8b459fb69c53c28970b7e70290535ba74b19a1f
SHA512

e497d6dfb8f5f1936c02cee089ff61096dc70fa7318696e8553d9a218fe2d4250122e681be73d105dd079b04103809c34df5fe1d47a305bf33438e3fbde56638
SSDEEP

3072:x92qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMT6rLA:x9NSMOEpQ1Q3ODAr+Vu

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1956-1-0x0000000074ED0000-0x0000000074EFF000-memory.dmp	dridex_ldr
behavioral1/memory/1956-2-0x0000000074ED0000-0x0000000074EFF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1192	1956	WerFault.exe	29

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 1456 wrote to memory of 1956	1456	rundll32.exe	29
PID 1456 wrote to memory of 1956	1456	rundll32.exe	29
PID 1456 wrote to memory of 1956	1456	rundll32.exe	29
PID 1456 wrote to memory of 1956	1456	rundll32.exe	29
PID 1456 wrote to memory of 1956	1456	rundll32.exe	29
PID 1456 wrote to memory of 1956	1456	rundll32.exe	29
PID 1456 wrote to memory of 1956	1456	rundll32.exe	29
PID 1956 wrote to memory of 1192	1956	rundll32.exe	30
PID 1956 wrote to memory of 1192	1956	rundll32.exe	30
PID 1956 wrote to memory of 1192	1956	rundll32.exe	30
PID 1956 wrote to memory of 1192	1956	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51f8b5cc7424e6667e4df5d1c8b459fb69c53c28970b7e70290535ba74b19a1f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51f8b5cc7424e6667e4df5d1c8b459fb69c53c28970b7e70290535ba74b19a1f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1956
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 220
    3⤵
    - Program crash
    PID:1192

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/1956-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1956-1-0x0000000074ED0000-0x0000000074EFF000-memory.dmp

Filesize
188KB

Download
memory/1956-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1956-2-0x0000000074ED0000-0x0000000074EFF000-memory.dmp

Filesize
188KB

Download