dridex | 0f77da45f0870e7b928e34e0c3538e5e1751084d491011bcadb7b54b718608b4

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
22-12-2024 04:02

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General

Target

JaffaCakes118_0f77da45f0870e7b928e34e0c3538e5e1751084d491011bcadb7b54b718608b4.dll
Size

184KB
MD5

adec9bc1cd8020818ff283617570e127
SHA1

e265700147bed741ae91b538e47c897f02992e67
SHA256

0f77da45f0870e7b928e34e0c3538e5e1751084d491011bcadb7b54b718608b4
SHA512

6659048a4527292a1533d8e36c1033c194518c685a46be1bfe264e3c5cd7f92cbcf0d70e518516840a2a8493dfe07a0419c520f8b53ca3dbba9c0970807d5820
SSDEEP

3072:liLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaojlzoxss7:liLVCIT4WK2z1W+CUHZj4Skq/eao5oC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1660-1-0x0000000074C90000-0x0000000074CBF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2236	1660	WerFault.exe	31

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 2308 wrote to memory of 1660	2308	rundll32.exe	31
PID 2308 wrote to memory of 1660	2308	rundll32.exe	31
PID 2308 wrote to memory of 1660	2308	rundll32.exe	31
PID 2308 wrote to memory of 1660	2308	rundll32.exe	31
PID 2308 wrote to memory of 1660	2308	rundll32.exe	31
PID 2308 wrote to memory of 1660	2308	rundll32.exe	31
PID 2308 wrote to memory of 1660	2308	rundll32.exe	31
PID 1660 wrote to memory of 2236	1660	rundll32.exe	32
PID 1660 wrote to memory of 2236	1660	rundll32.exe	32
PID 1660 wrote to memory of 2236	1660	rundll32.exe	32
PID 1660 wrote to memory of 2236	1660	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0f77da45f0870e7b928e34e0c3538e5e1751084d491011bcadb7b54b718608b4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0f77da45f0870e7b928e34e0c3538e5e1751084d491011bcadb7b54b718608b4.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1660
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 220
    3⤵
    - Program crash
    PID:2236

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/1660-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1660-1-0x0000000074C90000-0x0000000074CBF000-memory.dmp

Filesize
188KB

Download
memory/1660-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download