dridex | 1b8def34e23e202898dcebf5f1c6c0ef63af3bbaf30a4a75f77ee09ad8d76211

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/12/2024, 14:06 UTC

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General

Target

JaffaCakes118_1b8def34e23e202898dcebf5f1c6c0ef63af3bbaf30a4a75f77ee09ad8d76211.dll
Size

161KB
MD5

1e09499d9fe20169112b2b7677825cb2
SHA1

161ea38b72d146c6cfda23971c12fcc89fb24c7b
SHA256

1b8def34e23e202898dcebf5f1c6c0ef63af3bbaf30a4a75f77ee09ad8d76211
SHA512

9cf4cb5eb5fdb8289cba2fb80f6165b19007eb1f939645f725612de4b288d2327b7eef556da0c658e0036d5e0ddf8ee79219244d0facfe4f71f9ef3eda528aff
SSDEEP

3072:waSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2BGkFY:9nS62Fl+pkeJl3CvRStrFl+EYE

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

1
pK5evvTkrtXl1PdUwzbpkX0O3ZxXgoysjCME

rc4.plain

1
ntqn1EkZmmUoYMQPCPRqlhuLwfUs1imUpn8s4TcDWSSsOcwAchuhvuHdgMGmOB84m4IVTx

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/1040-0-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/1040-3-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2052	1040	WerFault.exe	28

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 2412 wrote to memory of 1040	2412	rundll32.exe	28
PID 2412 wrote to memory of 1040	2412	rundll32.exe	28
PID 2412 wrote to memory of 1040	2412	rundll32.exe	28
PID 2412 wrote to memory of 1040	2412	rundll32.exe	28
PID 2412 wrote to memory of 1040	2412	rundll32.exe	28
PID 2412 wrote to memory of 1040	2412	rundll32.exe	28
PID 2412 wrote to memory of 1040	2412	rundll32.exe	28
PID 1040 wrote to memory of 2052	1040	rundll32.exe	29
PID 1040 wrote to memory of 2052	1040	rundll32.exe	29
PID 1040 wrote to memory of 2052	1040	rundll32.exe	29
PID 1040 wrote to memory of 2052	1040	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b8def34e23e202898dcebf5f1c6c0ef63af3bbaf30a4a75f77ee09ad8d76211.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b8def34e23e202898dcebf5f1c6c0ef63af3bbaf30a4a75f77ee09ad8d76211.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1040 -s 256
    3⤵
    - Program crash
    PID:2052

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/1040-0-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1040-2-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1040-3-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download