dridex | 21f387c86cccba3ab85f7d287bbeb1ff69c03f785b8b5c50dc52ca471f2162f9

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:17

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General

Target

JaffaCakes118_21f387c86cccba3ab85f7d287bbeb1ff69c03f785b8b5c50dc52ca471f2162f9.dll
Size

166KB
MD5

133d5ff3a7802d6fceca42701357bdb1
SHA1

a3020b62d78ccb2d9b3c7dd4f2aa8ff3ef5a9534
SHA256

21f387c86cccba3ab85f7d287bbeb1ff69c03f785b8b5c50dc52ca471f2162f9
SHA512

103e366a6ac0dc70808d313faa6a4461201c78fdb51e866e1c719c74690f1be2be867bbf9b001ab0634d1922cc6ded9c28c35b8d7727efc9ca06e41b543768ec
SSDEEP

3072:euFbQtsYQcjxanytIp92/l1iPPqs1/whG68DaHrnpDZ+eE:e0czbty9uiaJlHE

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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/1640-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2396	1640	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 2588 wrote to memory of 1640	2588	rundll32.exe	30
PID 2588 wrote to memory of 1640	2588	rundll32.exe	30
PID 2588 wrote to memory of 1640	2588	rundll32.exe	30
PID 2588 wrote to memory of 1640	2588	rundll32.exe	30
PID 2588 wrote to memory of 1640	2588	rundll32.exe	30
PID 2588 wrote to memory of 1640	2588	rundll32.exe	30
PID 2588 wrote to memory of 1640	2588	rundll32.exe	30
PID 1640 wrote to memory of 2396	1640	rundll32.exe	31
PID 1640 wrote to memory of 2396	1640	rundll32.exe	31
PID 1640 wrote to memory of 2396	1640	rundll32.exe	31
PID 1640 wrote to memory of 2396	1640	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21f387c86cccba3ab85f7d287bbeb1ff69c03f785b8b5c50dc52ca471f2162f9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21f387c86cccba3ab85f7d287bbeb1ff69c03f785b8b5c50dc52ca471f2162f9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 256
    3⤵
    - Program crash
    PID:2396

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/1640-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1640-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1640-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download