dridex | 0ef508040d6fcad6f889ed903bd8cedcd9cb033f8c919ef0e04534c287a7c7ec

Analysis

max time kernel
26s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24/12/2024, 09:56

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General

Target

JaffaCakes118_0ef508040d6fcad6f889ed903bd8cedcd9cb033f8c919ef0e04534c287a7c7ec.dll
Size

184KB
MD5

8d8ac9f631ae1af6741f2e54337a48d0
SHA1

6b0826e4bfb456106c3ff3f213e9ca6ef03a4ce1
SHA256

0ef508040d6fcad6f889ed903bd8cedcd9cb033f8c919ef0e04534c287a7c7ec
SHA512

a4555d346de34037b935463c74cab5c5c5d35b90273505636c59ba2ad8447e11f4710a7b57f61eaa80388db8fa9a66715a8638b90e14adaa6e229a28ebd0696f
SSDEEP

3072:+JQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jqa//2uFrSc:HfYOX+wTScR/Xzku9LVwNuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2600-1-0x0000000074F70000-0x0000000074F9F000-memory.dmp	dridex_ldr
behavioral1/memory/2600-2-0x0000000074F70000-0x0000000074F9F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2236	2600	WerFault.exe	29

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 1492 wrote to memory of 2600	1492	rundll32.exe	29
PID 1492 wrote to memory of 2600	1492	rundll32.exe	29
PID 1492 wrote to memory of 2600	1492	rundll32.exe	29
PID 1492 wrote to memory of 2600	1492	rundll32.exe	29
PID 1492 wrote to memory of 2600	1492	rundll32.exe	29
PID 1492 wrote to memory of 2600	1492	rundll32.exe	29
PID 1492 wrote to memory of 2600	1492	rundll32.exe	29
PID 2600 wrote to memory of 2236	2600	rundll32.exe	30
PID 2600 wrote to memory of 2236	2600	rundll32.exe	30
PID 2600 wrote to memory of 2236	2600	rundll32.exe	30
PID 2600 wrote to memory of 2236	2600	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ef508040d6fcad6f889ed903bd8cedcd9cb033f8c919ef0e04534c287a7c7ec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ef508040d6fcad6f889ed903bd8cedcd9cb033f8c919ef0e04534c287a7c7ec.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 224
    3⤵
    - Program crash
    PID:2236

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

Replay Monitor

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Downloads

memory/2600-0-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2600-1-0x0000000074F70000-0x0000000074F9F000-memory.dmp

Filesize
188KB

Download
memory/2600-3-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2600-2-0x0000000074F70000-0x0000000074F9F000-memory.dmp

Filesize
188KB

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