dridex | 7937f74ca67f551e8fe517a8a3e71757877c2539c43518d540d40a7ad640be03

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
22-12-2024 06:26

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General

Target

JaffaCakes118_7937f74ca67f551e8fe517a8a3e71757877c2539c43518d540d40a7ad640be03.dll
Size

161KB
MD5

206f60b20e11eacd52147618cc0a46c7
SHA1

d4920fa7ae1b7a98bdc35e5a5a3d27fb70a34c39
SHA256

7937f74ca67f551e8fe517a8a3e71757877c2539c43518d540d40a7ad640be03
SHA512

42e60ba5054436b60d88ea25d6cb3df6594bb2949d0ca54465637279ee8e6b23fedd54917ce264a0cda1849d27c799cd67fc26974241124faef763bb30f158cf
SSDEEP

3072:OnSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2xGkFY:unS62Fl+pkeJl3CvRStrFl+EY0

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/2664-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2664-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2872	2664	WerFault.exe	31

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 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2664 wrote to memory of 2872	2664	rundll32.exe	32
PID 2664 wrote to memory of 2872	2664	rundll32.exe	32
PID 2664 wrote to memory of 2872	2664	rundll32.exe	32
PID 2664 wrote to memory of 2872	2664	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7937f74ca67f551e8fe517a8a3e71757877c2539c43518d540d40a7ad640be03.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7937f74ca67f551e8fe517a8a3e71757877c2539c43518d540d40a7ad640be03.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2664
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 256
    3⤵
    - Program crash
    PID:2872

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/2664-0-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2664-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2664-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2664-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download