dridex | 51a8611743c213cb2a3557dd0ba1d3e05826ffd250cecca9ca954f3f2c9d916f

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
22/12/2024, 07:00 UTC

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General

Target

JaffaCakes118_51a8611743c213cb2a3557dd0ba1d3e05826ffd250cecca9ca954f3f2c9d916f.dll
Size

184KB
MD5

fae1be926cc9aeadeffa8e5f6889da01
SHA1

6232da9cf4f4d40ecda6511bda7a2090df47d7ea
SHA256

51a8611743c213cb2a3557dd0ba1d3e05826ffd250cecca9ca954f3f2c9d916f
SHA512

3562b6b485797d7d5052d7c1dbbd1793cd929aa87ea5df2068aabc4c132aa6b78e0d7f8c642c3f247b215d6f82e9915e15df00bff2284dbef22e18615adde6ff
SSDEEP

3072:1iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoHlzoxss7:1iLVCIT4WK2z1W+CUHZj4Skq/eao1oC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

rc4.plain

1
XH2KyJtcJ7RSk5n0Ak2zUIsoefdhHZlKRYf

rc4.plain

1
4kmGii2PxD0nUmTK0vPB5SKEDW52nDGZTaRL4tBBLTmujo5lrSKFODpSSewAaVVxr3oshb5

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/2572-0-0x0000000075210000-0x000000007523F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2396	2572	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 1076 wrote to memory of 2572	1076	rundll32.exe	30
PID 1076 wrote to memory of 2572	1076	rundll32.exe	30
PID 1076 wrote to memory of 2572	1076	rundll32.exe	30
PID 1076 wrote to memory of 2572	1076	rundll32.exe	30
PID 1076 wrote to memory of 2572	1076	rundll32.exe	30
PID 1076 wrote to memory of 2572	1076	rundll32.exe	30
PID 1076 wrote to memory of 2572	1076	rundll32.exe	30
PID 2572 wrote to memory of 2396	2572	rundll32.exe	31
PID 2572 wrote to memory of 2396	2572	rundll32.exe	31
PID 2572 wrote to memory of 2396	2572	rundll32.exe	31
PID 2572 wrote to memory of 2396	2572	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51a8611743c213cb2a3557dd0ba1d3e05826ffd250cecca9ca954f3f2c9d916f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51a8611743c213cb2a3557dd0ba1d3e05826ffd250cecca9ca954f3f2c9d916f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2572
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2572 -s 220
    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/2572-2-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2572-0-0x0000000075210000-0x000000007523F000-memory.dmp

Filesize
188KB

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