dridex | 41855fbafc23bd03e53ae175ca4a3f7dc31c1414f1f95c4ce8c812e8aff3b9bb

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 22:39

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General

Target

JaffaCakes118_41855fbafc23bd03e53ae175ca4a3f7dc31c1414f1f95c4ce8c812e8aff3b9bb.dll
Size

170KB
MD5

871452ddc2b029c74d5f048c9adbb6fd
SHA1

c652d6970be07135aa68cb9d94b78697d23d913a
SHA256

41855fbafc23bd03e53ae175ca4a3f7dc31c1414f1f95c4ce8c812e8aff3b9bb
SHA512

9fbc72dd2ed0c5a840b7e0c2f264361c561ff045d7b59c7804ff4b48c677778c3a628e42097c4a81ea30058a8188f41065dcb8934b70b611f21ed2c144fe4514
SSDEEP

3072:FqWLBTrGNr0gl+CI3bc4ThMXu6GkqFmLqmjcRVmkHkKFhG2wwUJ5/lB:LVqNd+CIQHXu9VFmu0qU2CJ5

Score

10^/10

dridex 40112 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

40112

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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/2732-1-0x0000000074F00000-0x0000000074F30000-memory.dmp	dridex_ldr
behavioral1/memory/2732-2-0x0000000074F00000-0x0000000074F30000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2756	2732	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 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2732 wrote to memory of 2756	2732	rundll32.exe	31
PID 2732 wrote to memory of 2756	2732	rundll32.exe	31
PID 2732 wrote to memory of 2756	2732	rundll32.exe	31
PID 2732 wrote to memory of 2756	2732	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41855fbafc23bd03e53ae175ca4a3f7dc31c1414f1f95c4ce8c812e8aff3b9bb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41855fbafc23bd03e53ae175ca4a3f7dc31c1414f1f95c4ce8c812e8aff3b9bb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2732
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 264
    3⤵
    - Program crash
    PID:2756

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/2732-0-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2732-1-0x0000000074F00000-0x0000000074F30000-memory.dmp

Filesize
192KB

Download
memory/2732-3-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2732-2-0x0000000074F00000-0x0000000074F30000-memory.dmp

Filesize
192KB

Download