dridex | 137a99f69e13542cc1a886e50f4eaea3ceac94ca6d1ea24366cba4717023df4c

Analysis

max time kernel
88s
max time network
21s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 05:38

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General

Target

JaffaCakes118_137a99f69e13542cc1a886e50f4eaea3ceac94ca6d1ea24366cba4717023df4c.dll
Size

161KB
MD5

f66c028ceca914aa01146335ebc66279
SHA1

2b0ce6591aadf223ae774b8420c7a6fab5c1e000
SHA256

137a99f69e13542cc1a886e50f4eaea3ceac94ca6d1ea24366cba4717023df4c
SHA512

97ffbbf762797f52a3fffb3c4ea337eddd01976e9f55f9b091712e491870e9e2009a445d110098973b29a9ed84062823ba565bd02450689b6dce3a2f2f29faa7
SSDEEP

3072:CPSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd27GkFY:SnS62Fl+pkeJl3CvRStrFl+EYa

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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/2656-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2656-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2940	2656	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 2636 wrote to memory of 2656	2636	rundll32.exe	30
PID 2636 wrote to memory of 2656	2636	rundll32.exe	30
PID 2636 wrote to memory of 2656	2636	rundll32.exe	30
PID 2636 wrote to memory of 2656	2636	rundll32.exe	30
PID 2636 wrote to memory of 2656	2636	rundll32.exe	30
PID 2636 wrote to memory of 2656	2636	rundll32.exe	30
PID 2636 wrote to memory of 2656	2636	rundll32.exe	30
PID 2656 wrote to memory of 2940	2656	rundll32.exe	31
PID 2656 wrote to memory of 2940	2656	rundll32.exe	31
PID 2656 wrote to memory of 2940	2656	rundll32.exe	31
PID 2656 wrote to memory of 2940	2656	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_137a99f69e13542cc1a886e50f4eaea3ceac94ca6d1ea24366cba4717023df4c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2636
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_137a99f69e13542cc1a886e50f4eaea3ceac94ca6d1ea24366cba4717023df4c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2656
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 256
    3⤵
    - Program crash
    PID:2940

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/2656-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2656-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2656-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2656-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download