dridex | 5cb8b4fe4771e88ccd82ddf21c1462ab1a6e08404887b15185ce8fc668394b7c

Analysis

max time kernel
26s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24/12/2024, 03:24 UTC

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General

Target

JaffaCakes118_5cb8b4fe4771e88ccd82ddf21c1462ab1a6e08404887b15185ce8fc668394b7c.dll
Size

188KB
MD5

2d00e53a18f2bf42baf996b619ee6f1c
SHA1

e79ac65f6de8c174b38f444db44c23631f63a045
SHA256

5cb8b4fe4771e88ccd82ddf21c1462ab1a6e08404887b15185ce8fc668394b7c
SHA512

4f0c5e3db2d53e24dd0ee38a2d8e376b06cbe4fef4aa9a692f6f709ed48ab2c6343d0ceed06341b2f52b3cc0a3c3638a1b0e54590c36aff3078f78dfcdb1fe40
SSDEEP

3072:HteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzq9qM:fq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

rc4.plain

1
O8gS34J9YSWjLHlls2UUrobOVwkv2gxcuQGDftg29

rc4.plain

1
uKMtcv1AqGZruPo9ospRTBws8THw75AMb8FgkX5O4e9TcekeUYyEZPcdBYFbpQD81

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/2840-1-0x0000000074AF0000-0x0000000074B20000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2900	2840	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 2936 wrote to memory of 2840	2936	rundll32.exe	30
PID 2936 wrote to memory of 2840	2936	rundll32.exe	30
PID 2936 wrote to memory of 2840	2936	rundll32.exe	30
PID 2936 wrote to memory of 2840	2936	rundll32.exe	30
PID 2936 wrote to memory of 2840	2936	rundll32.exe	30
PID 2936 wrote to memory of 2840	2936	rundll32.exe	30
PID 2936 wrote to memory of 2840	2936	rundll32.exe	30
PID 2840 wrote to memory of 2900	2840	rundll32.exe	31
PID 2840 wrote to memory of 2900	2840	rundll32.exe	31
PID 2840 wrote to memory of 2900	2840	rundll32.exe	31
PID 2840 wrote to memory of 2900	2840	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5cb8b4fe4771e88ccd82ddf21c1462ab1a6e08404887b15185ce8fc668394b7c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5cb8b4fe4771e88ccd82ddf21c1462ab1a6e08404887b15185ce8fc668394b7c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 308
    3⤵
    - Program crash
    PID:2900

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/2840-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2840-1-0x0000000074AF0000-0x0000000074B20000-memory.dmp

Filesize
192KB

Download
memory/2840-3-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

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