dridex | 735ed2a4defe1afa364aa5616ae2aaf4a1bbadd0740c33ae6de583fb9fab438e

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/12/2024, 02:22

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General

Target

JaffaCakes118_735ed2a4defe1afa364aa5616ae2aaf4a1bbadd0740c33ae6de583fb9fab438e.dll
Size

167KB
MD5

0df981e756c43930050953cadb8cec0a
SHA1

489d5702fe98ccfdfa06ccca439dce75b5295d04
SHA256

735ed2a4defe1afa364aa5616ae2aaf4a1bbadd0740c33ae6de583fb9fab438e
SHA512

4dcce77ebc5f3cc2af2bfec5a7c1104e07d6a7564b715c8ceb4e868d93e1aaa7ae4283f4b1bd1df5cddaed7f6a47ce7cffe5a4e286d31298827904e3aaa95379
SSDEEP

3072:Z0G/TPp+AgPbdXnx6ZBfPG6+Xo4Y63F35oJq3Kco08AQazELZn+1qPrx6/idWR:1ERMVPG6+Y63HoG1QawL40Prx6KYR

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

131.100.24.202:443

193.160.214.95:4125

67.43.4.76:8172

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2504-0-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1268	2504	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 2176 wrote to memory of 2504	2176	rundll32.exe	30
PID 2176 wrote to memory of 2504	2176	rundll32.exe	30
PID 2176 wrote to memory of 2504	2176	rundll32.exe	30
PID 2176 wrote to memory of 2504	2176	rundll32.exe	30
PID 2176 wrote to memory of 2504	2176	rundll32.exe	30
PID 2176 wrote to memory of 2504	2176	rundll32.exe	30
PID 2176 wrote to memory of 2504	2176	rundll32.exe	30
PID 2504 wrote to memory of 1268	2504	rundll32.exe	32
PID 2504 wrote to memory of 1268	2504	rundll32.exe	32
PID 2504 wrote to memory of 1268	2504	rundll32.exe	32
PID 2504 wrote to memory of 1268	2504	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_735ed2a4defe1afa364aa5616ae2aaf4a1bbadd0740c33ae6de583fb9fab438e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_735ed2a4defe1afa364aa5616ae2aaf4a1bbadd0740c33ae6de583fb9fab438e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 256
    3⤵
    - Program crash
    PID:1268

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/2504-0-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

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memory/2504-1-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

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