dridex | 73a800efd4ffa90266eca51840e2a79aa92ef699a8538cf14afde37482c9e96b

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 05:59

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General

Target

JaffaCakes118_73a800efd4ffa90266eca51840e2a79aa92ef699a8538cf14afde37482c9e96b.dll
Size

161KB
MD5

45e1d1ca810b914483e073722f452cf3
SHA1

ab8f3272429a7e85e388353c0b32ce0c4b401b40
SHA256

73a800efd4ffa90266eca51840e2a79aa92ef699a8538cf14afde37482c9e96b
SHA512

722bc38f1348b6e5e35e172e5c20a25753da948f82deca4fdc164a3f5429a6fa5f8910a5ad316456079e4a9742ac376a31708400c168bdfc46e736a1de113378
SSDEEP

3072:a1Suywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2wGkFY:cnS62Fl+pkeJl3CvRStrFl+EYh

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/2320-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2320-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1860	2320	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 1628 wrote to memory of 2320	1628	rundll32.exe	30
PID 1628 wrote to memory of 2320	1628	rundll32.exe	30
PID 1628 wrote to memory of 2320	1628	rundll32.exe	30
PID 1628 wrote to memory of 2320	1628	rundll32.exe	30
PID 1628 wrote to memory of 2320	1628	rundll32.exe	30
PID 1628 wrote to memory of 2320	1628	rundll32.exe	30
PID 1628 wrote to memory of 2320	1628	rundll32.exe	30
PID 2320 wrote to memory of 1860	2320	rundll32.exe	32
PID 2320 wrote to memory of 1860	2320	rundll32.exe	32
PID 2320 wrote to memory of 1860	2320	rundll32.exe	32
PID 2320 wrote to memory of 1860	2320	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73a800efd4ffa90266eca51840e2a79aa92ef699a8538cf14afde37482c9e96b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73a800efd4ffa90266eca51840e2a79aa92ef699a8538cf14afde37482c9e96b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2320
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 256
    3⤵
    - Program crash
    PID:1860

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/2320-0-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2320-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2320-3-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2320-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download