dridex | ef1a85e7f475f46e7b2a2cb5c39165844c1290f91ba93b72715884240b140b3e

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 12:15

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General

Target

JaffaCakes118_ef1a85e7f475f46e7b2a2cb5c39165844c1290f91ba93b72715884240b140b3e.dll
Size

184KB
MD5

4e329969dbe7229504a8f9741dfcf3e1
SHA1

9bb54e2ed2c79497050df65d831e66f2801afbc2
SHA256

ef1a85e7f475f46e7b2a2cb5c39165844c1290f91ba93b72715884240b140b3e
SHA512

89865459487d03369dfc6c64d0b180793b37cbef15ed8ec5f7e82b3ca50d9468280f093dbe47b9122d21515d001e9519ce7004ee379e23139a375b91166c9882
SSDEEP

3072:9iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoSlzoxss7:9iLVCIT4WK2z1W+CUHZj4Skq/eaoYoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1628-0-0x00000000749F0000-0x0000000074A1F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1624	1628	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 1620 wrote to memory of 1628	1620	rundll32.exe	30
PID 1620 wrote to memory of 1628	1620	rundll32.exe	30
PID 1620 wrote to memory of 1628	1620	rundll32.exe	30
PID 1620 wrote to memory of 1628	1620	rundll32.exe	30
PID 1620 wrote to memory of 1628	1620	rundll32.exe	30
PID 1620 wrote to memory of 1628	1620	rundll32.exe	30
PID 1620 wrote to memory of 1628	1620	rundll32.exe	30
PID 1628 wrote to memory of 1624	1628	rundll32.exe	31
PID 1628 wrote to memory of 1624	1628	rundll32.exe	31
PID 1628 wrote to memory of 1624	1628	rundll32.exe	31
PID 1628 wrote to memory of 1624	1628	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef1a85e7f475f46e7b2a2cb5c39165844c1290f91ba93b72715884240b140b3e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef1a85e7f475f46e7b2a2cb5c39165844c1290f91ba93b72715884240b140b3e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1628
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 220
    3⤵
    - Program crash
    PID:1624

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/1628-0-0x00000000749F0000-0x0000000074A1F000-memory.dmp

Filesize
188KB

Download
memory/1628-2-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

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