dridex | 4177fc3b9921f17bd2bf3597a89deb5739c18be331a023190a7a39674aca8914

Analysis

max time kernel
145s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2024, 22:12

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General

Target

JaffaCakes118_4177fc3b9921f17bd2bf3597a89deb5739c18be331a023190a7a39674aca8914.dll
Size

170KB
MD5

e91cefc9a0deb0c614957e6abce71595
SHA1

55faea340fc0b1e79a16ed626cc1d642430db0a1
SHA256

4177fc3b9921f17bd2bf3597a89deb5739c18be331a023190a7a39674aca8914
SHA512

5fde0d551b97f7fd144a2ab6a804197f08562d910fa6c09d65e33cafe5bd6eca5cb05c4b06ba2af27eabf03b1ffff9a1ae32bc4170461a5c2d09c86a8ce7cb79
SSDEEP

3072:TV/jTmL3X6TLhgZBxbvRS1ebSi75S5NNZ4n+whXVM9MWdo8erj:TV/jTe38LiI4Oi75izyn+4lm

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

210.65.244.187:443

162.241.41.92:2303

46.231.204.10:8172

185.183.159.100:4125

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
behavioral2/memory/3680-0-0x0000000074D80000-0x0000000074DAF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4872	3680	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 3680	1940	rundll32.exe	83
PID 1940 wrote to memory of 3680	1940	rundll32.exe	83
PID 1940 wrote to memory of 3680	1940	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4177fc3b9921f17bd2bf3597a89deb5739c18be331a023190a7a39674aca8914.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4177fc3b9921f17bd2bf3597a89deb5739c18be331a023190a7a39674aca8914.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 660
    3⤵
    - Program crash
    PID:4872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3680 -ip 3680
1⤵
PID:536

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/3680-0-0x0000000074D80000-0x0000000074DAF000-memory.dmp

Filesize
188KB

Download
memory/3680-2-0x0000000002940000-0x0000000002946000-memory.dmp

Filesize
24KB

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