dridex | 7dce4891460d8a95872bb92c7428894b4c467d48af425d96da49f515ff8d0f61

Analysis

max time kernel
139s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-10-2024 12:38

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General

Target

577b43dd2fe8f09234c3050ca4bf8ec7_JaffaCakes118.dll
Size

184KB
MD5

577b43dd2fe8f09234c3050ca4bf8ec7
SHA1

a63670b831c29042999d954ab0cf12736effada8
SHA256

7dce4891460d8a95872bb92c7428894b4c467d48af425d96da49f515ff8d0f61
SHA512

23e2bcdd6f5a3a1776efc65afb9a4d1fcf5dc96faaf8c1f327fda5373737c855c69f5e39925ba0e36bf8d9d5301755c9d4a8dd8832186fbf493ea9b2a03a4a32
SSDEEP

3072:aJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JGa//2uFrSc:7fYOX+wTScR/Xzku9LVwBuG

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 Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/4552-0-0x0000000075050000-0x000000007507F000-memory.dmp	dridex_ldr
behavioral2/memory/4552-3-0x0000000075050000-0x000000007507F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4088	4552	WerFault.exe	84

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 3 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 4552	1016	rundll32.exe	84
PID 1016 wrote to memory of 4552	1016	rundll32.exe	84
PID 1016 wrote to memory of 4552	1016	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\577b43dd2fe8f09234c3050ca4bf8ec7_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\577b43dd2fe8f09234c3050ca4bf8ec7_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4552
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 624
    3⤵
    - Program crash
    PID:4088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4552 -ip 4552
1⤵
PID:1308

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/4552-0-0x0000000075050000-0x000000007507F000-memory.dmp

Filesize
188KB

Download
memory/4552-2-0x0000000001570000-0x0000000001576000-memory.dmp

Filesize
24KB

Download
memory/4552-3-0x0000000075050000-0x000000007507F000-memory.dmp

Filesize
188KB

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