dridex | 79552dbc0d39125ead7a8af68cf24e1f9625b6893ff665e51baa28f2c43ced08

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
30/12/2024, 04:59

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General

Target

JaffaCakes118_79552dbc0d39125ead7a8af68cf24e1f9625b6893ff665e51baa28f2c43ced08.dll
Size

184KB
MD5

1f3e546b30d7d2b319bd041b72ca586c
SHA1

cb2e17ff8e3a1331e544332e291f9953bbe2f882
SHA256

79552dbc0d39125ead7a8af68cf24e1f9625b6893ff665e51baa28f2c43ced08
SHA512

f6ccf6e87d5b02306b9112db52fb6a1e6c28b108c277f21ccd3c221cd1299c2e05b7cf83d31a901ea92cc8863a863896004a0ca2efd88a83365270b141dfc33b
SSDEEP

3072:0W8WgWhVnmr6k/6zsRJLNqTXvMU9tb+/HU6ngmGWx9ixCH0u:n8qh+66QsRdNiBW/06ngmGWexC

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2236-1-0x0000000074D90000-0x0000000074DC0000-memory.dmp	dridex_ldr
behavioral1/memory/2236-2-0x0000000074D90000-0x0000000074DC0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2776	2236	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 2116 wrote to memory of 2236	2116	rundll32.exe	31
PID 2116 wrote to memory of 2236	2116	rundll32.exe	31
PID 2116 wrote to memory of 2236	2116	rundll32.exe	31
PID 2116 wrote to memory of 2236	2116	rundll32.exe	31
PID 2116 wrote to memory of 2236	2116	rundll32.exe	31
PID 2116 wrote to memory of 2236	2116	rundll32.exe	31
PID 2116 wrote to memory of 2236	2116	rundll32.exe	31
PID 2236 wrote to memory of 2776	2236	rundll32.exe	32
PID 2236 wrote to memory of 2776	2236	rundll32.exe	32
PID 2236 wrote to memory of 2776	2236	rundll32.exe	32
PID 2236 wrote to memory of 2776	2236	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79552dbc0d39125ead7a8af68cf24e1f9625b6893ff665e51baa28f2c43ced08.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79552dbc0d39125ead7a8af68cf24e1f9625b6893ff665e51baa28f2c43ced08.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 220
    3⤵
    - Program crash
    PID:2776

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/2236-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2236-1-0x0000000074D90000-0x0000000074DC0000-memory.dmp

Filesize
192KB

Download
memory/2236-3-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2236-2-0x0000000074D90000-0x0000000074DC0000-memory.dmp

Filesize
192KB

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