dridex | dc872f755f51a81fd46160ff1d57ddbc410f54a0c5b3909994e90d2314f56894

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:17

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General

Target

JaffaCakes118_dc872f755f51a81fd46160ff1d57ddbc410f54a0c5b3909994e90d2314f56894.dll
Size

170KB
MD5

6d91d14159dab57e847e79d30cdc2e11
SHA1

11953bc16ffd81c5b5b04436c8e480565d0d41eb
SHA256

dc872f755f51a81fd46160ff1d57ddbc410f54a0c5b3909994e90d2314f56894
SHA512

d1b813df8f98828cd13cb8732128e0ef6c88e3c82a1bd4f23caa6ccb0a333c3c35be1a6cd62b6f953d592f16e752e2331eaa8d80418b3cc56e250a093cd39a32
SSDEEP

3072:xqWLBTrGNr0gl+CI3bc4ThMXu6GkqFmLqmjcRVmkHkKFhG2wwUJ5/lB:nVqNd+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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2236-1-0x0000000074B70000-0x0000000074BA0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2764	2236	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 2240 wrote to memory of 2236	2240	rundll32.exe	30
PID 2240 wrote to memory of 2236	2240	rundll32.exe	30
PID 2240 wrote to memory of 2236	2240	rundll32.exe	30
PID 2240 wrote to memory of 2236	2240	rundll32.exe	30
PID 2240 wrote to memory of 2236	2240	rundll32.exe	30
PID 2240 wrote to memory of 2236	2240	rundll32.exe	30
PID 2240 wrote to memory of 2236	2240	rundll32.exe	30
PID 2236 wrote to memory of 2764	2236	rundll32.exe	31
PID 2236 wrote to memory of 2764	2236	rundll32.exe	31
PID 2236 wrote to memory of 2764	2236	rundll32.exe	31
PID 2236 wrote to memory of 2764	2236	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dc872f755f51a81fd46160ff1d57ddbc410f54a0c5b3909994e90d2314f56894.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dc872f755f51a81fd46160ff1d57ddbc410f54a0c5b3909994e90d2314f56894.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 252
    3⤵
    - Program crash
    PID:2764

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/2236-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2236-1-0x0000000074B70000-0x0000000074BA0000-memory.dmp

Filesize
192KB

Download
memory/2236-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download