dridex | b3d75156a3d261e83966f95dcaf0949da5c4cbc39052155b591ca2c724f81800

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 03:38

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General

Target

JaffaCakes118_b3d75156a3d261e83966f95dcaf0949da5c4cbc39052155b591ca2c724f81800.dll
Size

161KB
MD5

f069a084e269d6c47d0987c6335c591a
SHA1

25abc5e54a2dbac39ba3b28654a69103a0656943
SHA256

b3d75156a3d261e83966f95dcaf0949da5c4cbc39052155b591ca2c724f81800
SHA512

d9165b6101265f62862737abfcdc6e8a5f8f3bfe6a214081b15e3f3bbe518f2874f421e52d61e757dbfcaefdde20d79cfa687685a59507d3a90c3057cc1c3667
SSDEEP

3072:hgSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2ZGkFY:qnS62Fl+pkeJl3CvRStrFl+EYM

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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/1924-0-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/1924-3-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1136	1924	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 1632 wrote to memory of 1924	1632	rundll32.exe	30
PID 1632 wrote to memory of 1924	1632	rundll32.exe	30
PID 1632 wrote to memory of 1924	1632	rundll32.exe	30
PID 1632 wrote to memory of 1924	1632	rundll32.exe	30
PID 1632 wrote to memory of 1924	1632	rundll32.exe	30
PID 1632 wrote to memory of 1924	1632	rundll32.exe	30
PID 1632 wrote to memory of 1924	1632	rundll32.exe	30
PID 1924 wrote to memory of 1136	1924	rundll32.exe	32
PID 1924 wrote to memory of 1136	1924	rundll32.exe	32
PID 1924 wrote to memory of 1136	1924	rundll32.exe	32
PID 1924 wrote to memory of 1136	1924	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3d75156a3d261e83966f95dcaf0949da5c4cbc39052155b591ca2c724f81800.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3d75156a3d261e83966f95dcaf0949da5c4cbc39052155b591ca2c724f81800.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1924
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 256
    3⤵
    - Program crash
    PID:1136

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/1924-0-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1924-2-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1924-3-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download