dridex | 3fe6e715c761f87e0f72beca5c1426e054edb1d817c4b3ef4f61251ed401b87c

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 06:36

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General

Target

JaffaCakes118_3fe6e715c761f87e0f72beca5c1426e054edb1d817c4b3ef4f61251ed401b87c.dll
Size

184KB
MD5

f1bd5ac2e10c78d9d1680dc026512ac6
SHA1

cf0dead47d5624d29ab28381363d91f54c2f5c34
SHA256

3fe6e715c761f87e0f72beca5c1426e054edb1d817c4b3ef4f61251ed401b87c
SHA512

219faa5d8154620c1cc7509f7d04f53aef103b9e7e2751506ae82489d560798979c03ce1d6f0a2937e84808172cde453020f6b7908ca2788680dac9519e7479e
SSDEEP

3072:NiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoelzoxss7:NiLVCIT4WK2z1W+CUHZj4Skq/eao8oC

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/2352-1-0x0000000074ED0000-0x0000000074EFF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2328	2352	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 2576 wrote to memory of 2352	2576	rundll32.exe	31
PID 2576 wrote to memory of 2352	2576	rundll32.exe	31
PID 2576 wrote to memory of 2352	2576	rundll32.exe	31
PID 2576 wrote to memory of 2352	2576	rundll32.exe	31
PID 2576 wrote to memory of 2352	2576	rundll32.exe	31
PID 2576 wrote to memory of 2352	2576	rundll32.exe	31
PID 2576 wrote to memory of 2352	2576	rundll32.exe	31
PID 2352 wrote to memory of 2328	2352	rundll32.exe	32
PID 2352 wrote to memory of 2328	2352	rundll32.exe	32
PID 2352 wrote to memory of 2328	2352	rundll32.exe	32
PID 2352 wrote to memory of 2328	2352	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3fe6e715c761f87e0f72beca5c1426e054edb1d817c4b3ef4f61251ed401b87c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2576
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3fe6e715c761f87e0f72beca5c1426e054edb1d817c4b3ef4f61251ed401b87c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2352
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 220
    3⤵
    - Program crash
    PID:2328

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/2352-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2352-1-0x0000000074ED0000-0x0000000074EFF000-memory.dmp

Filesize
188KB

Download
memory/2352-4-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download