dridex | b36a35dfd15c5a2345e1f7571b77bf86e6250c817046d458c2e96d8215365aaa

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 18:23

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General

Target

JaffaCakes118_b36a35dfd15c5a2345e1f7571b77bf86e6250c817046d458c2e96d8215365aaa.dll
Size

188KB
MD5

5ba447e7394ee766858e1102b3466c06
SHA1

7d2d99fbf0179d6836966c4d37ff4f61a8bbf2ed
SHA256

b36a35dfd15c5a2345e1f7571b77bf86e6250c817046d458c2e96d8215365aaa
SHA512

9810f61a1b7559c6f659b20da435b7ccd98747ee5b85206f16de05de53166e5d2c0258db9c92e734adec9ff04300d1811d79f6acca067cf91315997c9051fc36
SSDEEP

3072:PteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzS9qM:Xq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1600-1-0x0000000075190000-0x00000000751C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2872	1600	WerFault.exe	30

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 2196 wrote to memory of 1600	2196	rundll32.exe	30
PID 2196 wrote to memory of 1600	2196	rundll32.exe	30
PID 2196 wrote to memory of 1600	2196	rundll32.exe	30
PID 2196 wrote to memory of 1600	2196	rundll32.exe	30
PID 2196 wrote to memory of 1600	2196	rundll32.exe	30
PID 2196 wrote to memory of 1600	2196	rundll32.exe	30
PID 2196 wrote to memory of 1600	2196	rundll32.exe	30
PID 1600 wrote to memory of 2872	1600	rundll32.exe	31
PID 1600 wrote to memory of 2872	1600	rundll32.exe	31
PID 1600 wrote to memory of 2872	1600	rundll32.exe	31
PID 1600 wrote to memory of 2872	1600	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b36a35dfd15c5a2345e1f7571b77bf86e6250c817046d458c2e96d8215365aaa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b36a35dfd15c5a2345e1f7571b77bf86e6250c817046d458c2e96d8215365aaa.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 300
    3⤵
    - Program crash
    PID:2872

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/1600-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

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memory/1600-1-0x0000000075190000-0x00000000751C0000-memory.dmp

Filesize
192KB

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