dridex | 4c5075d51e6da350bef3faaaf90cfb80f16d2f5d0964f47ffc872bab2c565504

Analysis

max time kernel
118s
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, 01:08 UTC

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General

Target

JaffaCakes118_4c5075d51e6da350bef3faaaf90cfb80f16d2f5d0964f47ffc872bab2c565504.dll
Size

161KB
MD5

e060e0366916991d9b1fbc8b33e0d743
SHA1

36b5292f61bc40da1fae597f4dfdc09106fdb9df
SHA256

4c5075d51e6da350bef3faaaf90cfb80f16d2f5d0964f47ffc872bab2c565504
SHA512

d0b65077f38880ab104c138498460e5188e9ee723afa3dcb3f444c82daac995cd675b3621bc01166e502213359ac375cc84cbf36b7d37875b960194109634e56
SSDEEP

3072:Mp45bscWrhftr4SOX63M5jY17lh9sDVj9a/KBz9YlYU:W4KcMhVkbK3hDq9E8i

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

45.55.134.126:443

67.207.83.96:8172

193.160.214.95:4125

rc4.plain

1
HtN6NwtxXy1hPqziZkIqPpQJWCL3Kaq45TIC4YXDkud

rc4.plain

1
Sirp4DDadjnTLK9zfz7cEEESUoQtBSFyuOiHKWVQ32KIcubF46EGVIVZGXHxGRd

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/2428-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2428-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2932	2428	WerFault.exe	28

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 1684 wrote to memory of 2428	1684	rundll32.exe	28
PID 1684 wrote to memory of 2428	1684	rundll32.exe	28
PID 1684 wrote to memory of 2428	1684	rundll32.exe	28
PID 1684 wrote to memory of 2428	1684	rundll32.exe	28
PID 1684 wrote to memory of 2428	1684	rundll32.exe	28
PID 1684 wrote to memory of 2428	1684	rundll32.exe	28
PID 1684 wrote to memory of 2428	1684	rundll32.exe	28
PID 2428 wrote to memory of 2932	2428	rundll32.exe	29
PID 2428 wrote to memory of 2932	2428	rundll32.exe	29
PID 2428 wrote to memory of 2932	2428	rundll32.exe	29
PID 2428 wrote to memory of 2932	2428	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c5075d51e6da350bef3faaaf90cfb80f16d2f5d0964f47ffc872bab2c565504.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c5075d51e6da350bef3faaaf90cfb80f16d2f5d0964f47ffc872bab2c565504.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 256
    3⤵
    - Program crash
    PID:2932

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/2428-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2428-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2428-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2428-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download