dridex | 31519618bce6b956c792b3b25bbb5930cdf36d49e6a59b43f0faf45686553622

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 05:56

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General

Target

JaffaCakes118_31519618bce6b956c792b3b25bbb5930cdf36d49e6a59b43f0faf45686553622.dll
Size

161KB
MD5

88a93df2e7e75cc5295cd942e86f104e
SHA1

1605380d1028333af67cd336747521723679b600
SHA256

31519618bce6b956c792b3b25bbb5930cdf36d49e6a59b43f0faf45686553622
SHA512

cb6fc68bb9ba0800bd8cf10227fe229a9ac7256aa5d3d655c4d8bcb7a57ab626fb7c36aa794f6fbdcdb35780179ddd938dbc8f59d4534a3a03e77ac530eeb8ce
SSDEEP

3072:ftSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2TGkFY:FnS62Fl+pkeJl3CvRStrFl+EYi

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/1544-0-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/1544-3-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2344	1544	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 1584 wrote to memory of 1544	1584	rundll32.exe	30
PID 1584 wrote to memory of 1544	1584	rundll32.exe	30
PID 1584 wrote to memory of 1544	1584	rundll32.exe	30
PID 1584 wrote to memory of 1544	1584	rundll32.exe	30
PID 1584 wrote to memory of 1544	1584	rundll32.exe	30
PID 1584 wrote to memory of 1544	1584	rundll32.exe	30
PID 1584 wrote to memory of 1544	1584	rundll32.exe	30
PID 1544 wrote to memory of 2344	1544	rundll32.exe	32
PID 1544 wrote to memory of 2344	1544	rundll32.exe	32
PID 1544 wrote to memory of 2344	1544	rundll32.exe	32
PID 1544 wrote to memory of 2344	1544	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31519618bce6b956c792b3b25bbb5930cdf36d49e6a59b43f0faf45686553622.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1584
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31519618bce6b956c792b3b25bbb5930cdf36d49e6a59b43f0faf45686553622.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1544
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 256
    3⤵
    - Program crash
    PID:2344

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/1544-0-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1544-2-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1544-3-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download