dridex | 1f39c0cb7f451cb9b411636df6eab6c293429bc29263a2b31a6212101b29d850

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 18:19

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General

Target

JaffaCakes118_1f39c0cb7f451cb9b411636df6eab6c293429bc29263a2b31a6212101b29d850.dll
Size

184KB
MD5

df75f05f80b8307a82579f7302320817
SHA1

b6d80426be86376ab31e6affaf205490688b4b94
SHA256

1f39c0cb7f451cb9b411636df6eab6c293429bc29263a2b31a6212101b29d850
SHA512

4a3ce155bf88a5a925c45aedb4c1b778f9d9b3174e3a6b8f688840448c8e8348d49ff2569275804a7e760a614166c7319cab1643cf5de211e08f4f236e0abde5
SSDEEP

3072:9W8WgWhVnmr6k/6zsRJLNqTXvMU9tb+/HU6ngmeWx9ixCH0u:48qh+66QsRdNiBW/06ngmeWexC

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/1700-0-0x0000000074D10000-0x0000000074D40000-memory.dmp	dridex_ldr
behavioral1/memory/1700-3-0x0000000074D10000-0x0000000074D40000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2404	1700	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 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1700 wrote to memory of 2404	1700	rundll32.exe	31
PID 1700 wrote to memory of 2404	1700	rundll32.exe	31
PID 1700 wrote to memory of 2404	1700	rundll32.exe	31
PID 1700 wrote to memory of 2404	1700	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f39c0cb7f451cb9b411636df6eab6c293429bc29263a2b31a6212101b29d850.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f39c0cb7f451cb9b411636df6eab6c293429bc29263a2b31a6212101b29d850.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 220
    3⤵
    - Program crash
    PID:2404

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/1700-0-0x0000000074D10000-0x0000000074D40000-memory.dmp

Filesize
192KB

Download
memory/1700-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1700-3-0x0000000074D10000-0x0000000074D40000-memory.dmp

Filesize
192KB

Download