dridex | 4f38557fc83cec70b209b08482a15f93751c7eb77cc953ccc59b21a2f6ccbe33

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 06:24

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General

Target

JaffaCakes118_4f38557fc83cec70b209b08482a15f93751c7eb77cc953ccc59b21a2f6ccbe33.dll
Size

161KB
MD5

21cce8df3f6da18ecbfe39bbd9ae1c76
SHA1

450bdd0328ca78936d676db03f81d7df446bb66a
SHA256

4f38557fc83cec70b209b08482a15f93751c7eb77cc953ccc59b21a2f6ccbe33
SHA512

132302ea13d9628d7547fc4cde26f582d4d804644274b85b602b87b607241f0b263745e74dc9182d9ba8c504aad2338a1c97bbcfaff1b6bc108811a99beb2329
SSDEEP

3072:3f4Dcp/qdOUKcT1GpvO0nygcp0DvA/fxHbeXaUDwOvHvWM:gDBdOlG0nyg1DvwxgZ/v

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

45.55.134.126:443

67.207.83.96:8172

193.160.214.95:4125

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/2460-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2404	2460	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 2500 wrote to memory of 2460	2500	rundll32.exe	30
PID 2500 wrote to memory of 2460	2500	rundll32.exe	30
PID 2500 wrote to memory of 2460	2500	rundll32.exe	30
PID 2500 wrote to memory of 2460	2500	rundll32.exe	30
PID 2500 wrote to memory of 2460	2500	rundll32.exe	30
PID 2500 wrote to memory of 2460	2500	rundll32.exe	30
PID 2500 wrote to memory of 2460	2500	rundll32.exe	30
PID 2460 wrote to memory of 2404	2460	rundll32.exe	31
PID 2460 wrote to memory of 2404	2460	rundll32.exe	31
PID 2460 wrote to memory of 2404	2460	rundll32.exe	31
PID 2460 wrote to memory of 2404	2460	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4f38557fc83cec70b209b08482a15f93751c7eb77cc953ccc59b21a2f6ccbe33.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4f38557fc83cec70b209b08482a15f93751c7eb77cc953ccc59b21a2f6ccbe33.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2460
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2460 -s 256
    3⤵
    - Program crash
    PID:2404

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/2460-2-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

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memory/2460-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

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