dridex | 82a74145a55d3a4256f1434ae60b49a72a9eb13a3b8be5ffdc69d8cf2de330b5

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 07:52

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General

Target

206b6482ba2332ff8071d0512bb18b3d_JaffaCakes118.dll
Size

184KB
MD5

206b6482ba2332ff8071d0512bb18b3d
SHA1

67c6e1707418960f228fcebd3c376759ef1e1cad
SHA256

82a74145a55d3a4256f1434ae60b49a72a9eb13a3b8be5ffdc69d8cf2de330b5
SHA512

27a6478942779a388e1ee45f2bf63477308c84275a83f81bd5e62ce5eb5364fc197a8cafb16692951676993fdb912e6bd56e723d4164a8456a0bed0abf1ae9d1
SSDEEP

3072:0JQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jga//2uFrSc:5fYOX+wTScR/Xzku9LVwnuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1316-1-0x0000000075410000-0x000000007543F000-memory.dmp	dridex_ldr
behavioral1/memory/1316-3-0x0000000075410000-0x000000007543F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1652 1316 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
1652	1316	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2400 wrote to memory of 1316	2400	rundll32.exe	rundll32.exe
PID 2400 wrote to memory of 1316	2400	rundll32.exe	rundll32.exe
PID 2400 wrote to memory of 1316	2400	rundll32.exe	rundll32.exe
PID 2400 wrote to memory of 1316	2400	rundll32.exe	rundll32.exe
PID 2400 wrote to memory of 1316	2400	rundll32.exe	rundll32.exe
PID 2400 wrote to memory of 1316	2400	rundll32.exe	rundll32.exe
PID 2400 wrote to memory of 1316	2400	rundll32.exe	rundll32.exe
PID 1316 wrote to memory of 1652	1316	rundll32.exe	WerFault.exe
PID 1316 wrote to memory of 1652	1316	rundll32.exe	WerFault.exe
PID 1316 wrote to memory of 1652	1316	rundll32.exe	WerFault.exe
PID 1316 wrote to memory of 1652	1316	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\206b6482ba2332ff8071d0512bb18b3d_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\206b6482ba2332ff8071d0512bb18b3d_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1316
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1316 -s 220
    3⤵
    - Program crash
    PID:1652

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/1316-2-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1316-1-0x0000000075410000-0x000000007543F000-memory.dmp

Filesize
188KB

Download
memory/1316-3-0x0000000075410000-0x000000007543F000-memory.dmp

Filesize
188KB

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