dridex | 5b48bafa2e23dfd1485ab15a92d3a85e1ba95cda5da89159d8c86de9a921c12d

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-11-2024 05:24

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General

Target

b4f8465a04d4e270909d40112d86824a_JaffaCakes118.dll
Size

184KB
MD5

b4f8465a04d4e270909d40112d86824a
SHA1

8ba75ce0cbfe056297f092539ca4965582159422
SHA256

5b48bafa2e23dfd1485ab15a92d3a85e1ba95cda5da89159d8c86de9a921c12d
SHA512

6d0cc43a7c6d08a31441b26052d9578b097be4d7605af28b5d0cb94b8101a84ea750d3eb674a0a141acd4688bfb0034ece708284297c888ebd4a38362c6b8be4
SSDEEP

3072:lDHMD9LnP1KxPqM8/1xYTCKJJ+xpm2s7E7jnR1VzGQiEFMFUsvQ:dMhP1cq7/16CT9jnR1Vz7iD

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/1780-1-0x0000000074A40000-0x0000000074A70000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2528	1780	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 2796 wrote to memory of 1780	2796	rundll32.exe	29
PID 2796 wrote to memory of 1780	2796	rundll32.exe	29
PID 2796 wrote to memory of 1780	2796	rundll32.exe	29
PID 2796 wrote to memory of 1780	2796	rundll32.exe	29
PID 2796 wrote to memory of 1780	2796	rundll32.exe	29
PID 2796 wrote to memory of 1780	2796	rundll32.exe	29
PID 2796 wrote to memory of 1780	2796	rundll32.exe	29
PID 1780 wrote to memory of 2528	1780	rundll32.exe	30
PID 1780 wrote to memory of 2528	1780	rundll32.exe	30
PID 1780 wrote to memory of 2528	1780	rundll32.exe	30
PID 1780 wrote to memory of 2528	1780	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4f8465a04d4e270909d40112d86824a_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4f8465a04d4e270909d40112d86824a_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1780
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 220
    3⤵
    - Program crash
    PID:2528

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/1780-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1780-1-0x0000000074A40000-0x0000000074A70000-memory.dmp

Filesize
192KB

Download
memory/1780-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download