dridex | 3cdbebbf7787829fc81803c3fca68c1d92608a8553910b2fb5a0d0fb8fff37e7

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 04:46

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General

Target

JaffaCakes118_3cdbebbf7787829fc81803c3fca68c1d92608a8553910b2fb5a0d0fb8fff37e7.dll
Size

188KB
MD5

c3f6fd440978201b6fa4dc0677f8ab50
SHA1

b1041620c3239f82ddd6dece51aed4d2f62c7fa9
SHA256

3cdbebbf7787829fc81803c3fca68c1d92608a8553910b2fb5a0d0fb8fff37e7
SHA512

6240ed2de2113471031f3fa5313441b5811b49cc8c92306794f471e78d0350980d470dac35cf1153131124e188f51a959a2b53291e4709ea414794209158754f
SSDEEP

3072:RteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIz/9qM:9q7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1840-1-0x0000000074BA0000-0x0000000074BD0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2716	1840	WerFault.exe	31

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 828 wrote to memory of 1840	828	rundll32.exe	31
PID 828 wrote to memory of 1840	828	rundll32.exe	31
PID 828 wrote to memory of 1840	828	rundll32.exe	31
PID 828 wrote to memory of 1840	828	rundll32.exe	31
PID 828 wrote to memory of 1840	828	rundll32.exe	31
PID 828 wrote to memory of 1840	828	rundll32.exe	31
PID 828 wrote to memory of 1840	828	rundll32.exe	31
PID 1840 wrote to memory of 2716	1840	rundll32.exe	32
PID 1840 wrote to memory of 2716	1840	rundll32.exe	32
PID 1840 wrote to memory of 2716	1840	rundll32.exe	32
PID 1840 wrote to memory of 2716	1840	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3cdbebbf7787829fc81803c3fca68c1d92608a8553910b2fb5a0d0fb8fff37e7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:828
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3cdbebbf7787829fc81803c3fca68c1d92608a8553910b2fb5a0d0fb8fff37e7.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1840 -s 300
    3⤵
    - Program crash
    PID:2716

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/1840-0-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1840-1-0x0000000074BA0000-0x0000000074BD0000-memory.dmp

Filesize
192KB

Download
memory/1840-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download