dridex | a5107810e2b924412ee86f9f23a74fca216d849044082ba8be17eb27f503d103

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/12/2024, 16:29

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General

Target

JaffaCakes118_a5107810e2b924412ee86f9f23a74fca216d849044082ba8be17eb27f503d103.dll
Size

184KB
MD5

8b37c583051610a3183fd006d7e6bdae
SHA1

16476b2ffe9f16f8ee387b886e92ca25f1eb7d3a
SHA256

a5107810e2b924412ee86f9f23a74fca216d849044082ba8be17eb27f503d103
SHA512

e0853573cebd7f36b6d0fed4548aa16facfb492c08655b2600112578262cf2499dea1511421dc1d135bd6cd114742dd47e06cd346624a821e0be176cfa8938ce
SSDEEP

3072:VuwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4KNlmsb:37TXYsd9SkONU1jKGlylm

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1912-0-0x0000000074B60000-0x0000000074B90000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2312	1912	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 1728 wrote to memory of 1912	1728	rundll32.exe	30
PID 1728 wrote to memory of 1912	1728	rundll32.exe	30
PID 1728 wrote to memory of 1912	1728	rundll32.exe	30
PID 1728 wrote to memory of 1912	1728	rundll32.exe	30
PID 1728 wrote to memory of 1912	1728	rundll32.exe	30
PID 1728 wrote to memory of 1912	1728	rundll32.exe	30
PID 1728 wrote to memory of 1912	1728	rundll32.exe	30
PID 1912 wrote to memory of 2312	1912	rundll32.exe	31
PID 1912 wrote to memory of 2312	1912	rundll32.exe	31
PID 1912 wrote to memory of 2312	1912	rundll32.exe	31
PID 1912 wrote to memory of 2312	1912	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5107810e2b924412ee86f9f23a74fca216d849044082ba8be17eb27f503d103.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5107810e2b924412ee86f9f23a74fca216d849044082ba8be17eb27f503d103.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1912
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1912 -s 220
    3⤵
    - Program crash
    PID:2312

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/1912-0-0x0000000074B60000-0x0000000074B90000-memory.dmp

Filesize
192KB

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memory/1912-2-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

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