dridex | 3939d44bbc001fcf7b92af29b602044f9a876f39c1a539dde4bc1d09e044d85f

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02/11/2024, 19:43

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General

Target

875a51efc591669e35610a70a8c96b21_JaffaCakes118.dll
Size

184KB
MD5

875a51efc591669e35610a70a8c96b21
SHA1

0a414c6c24667ed322d12f69ea1c8f85b566e34f
SHA256

3939d44bbc001fcf7b92af29b602044f9a876f39c1a539dde4bc1d09e044d85f
SHA512

376ca9a7c4ab2bb700cf6b75592da99a140aa76b8d4810c109af6ec6956950012f7e5d65c35018d556e57267927b7ed255f0f083d43a339351744c6eaa426d07
SSDEEP

3072:FDHMD9LnP1KxPqM8/1xYTCKJJ+xpm2s7E7jnR1VzGQiEFMFBsvQ:9MhP1cq7/16CT9jnR1Vz7ik

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

137.74.112.43:443

216.108.227.55:6225

94.177.176.51:5723

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/3040-1-0x0000000074C80000-0x0000000074CB0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1056	3040	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 2992 wrote to memory of 3040	2992	rundll32.exe	30
PID 2992 wrote to memory of 3040	2992	rundll32.exe	30
PID 2992 wrote to memory of 3040	2992	rundll32.exe	30
PID 2992 wrote to memory of 3040	2992	rundll32.exe	30
PID 2992 wrote to memory of 3040	2992	rundll32.exe	30
PID 2992 wrote to memory of 3040	2992	rundll32.exe	30
PID 2992 wrote to memory of 3040	2992	rundll32.exe	30
PID 3040 wrote to memory of 1056	3040	rundll32.exe	32
PID 3040 wrote to memory of 1056	3040	rundll32.exe	32
PID 3040 wrote to memory of 1056	3040	rundll32.exe	32
PID 3040 wrote to memory of 1056	3040	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\875a51efc591669e35610a70a8c96b21_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\875a51efc591669e35610a70a8c96b21_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 220
    3⤵
    - Program crash
    PID:1056

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/3040-0-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/3040-1-0x0000000074C80000-0x0000000074CB0000-memory.dmp

Filesize
192KB

Download
memory/3040-3-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download