dridex | f77843d2bc7ffa596853741eb8c5e0e7dc2a850714ee2ffccec8bfa492da9a96

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21/12/2024, 23:55

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General

Target

JaffaCakes118_f77843d2bc7ffa596853741eb8c5e0e7dc2a850714ee2ffccec8bfa492da9a96.dll
Size

184KB
MD5

20eccd14393dbb11095c36a7682c8143
SHA1

7d5eb7d72c9ae125303d01878c0e71028b79df8c
SHA256

f77843d2bc7ffa596853741eb8c5e0e7dc2a850714ee2ffccec8bfa492da9a96
SHA512

b186ac51b0b4b8485b156b93d8bced2c6792aa191c8223264a90ce6cc101045da4cf3988b58a92041678567770c3954f56ef3f7b98342457b6b55406ad7108c9
SSDEEP

3072:kiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoWlzoxss7:kiLVCIT4WK2z1W+CUHZj4Skq/eaoEoC

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

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/524-1-0x0000000074B90000-0x0000000074BBF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2016	524	WerFault.exe	31

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 2268 wrote to memory of 524	2268	rundll32.exe	31
PID 2268 wrote to memory of 524	2268	rundll32.exe	31
PID 2268 wrote to memory of 524	2268	rundll32.exe	31
PID 2268 wrote to memory of 524	2268	rundll32.exe	31
PID 2268 wrote to memory of 524	2268	rundll32.exe	31
PID 2268 wrote to memory of 524	2268	rundll32.exe	31
PID 2268 wrote to memory of 524	2268	rundll32.exe	31
PID 524 wrote to memory of 2016	524	rundll32.exe	32
PID 524 wrote to memory of 2016	524	rundll32.exe	32
PID 524 wrote to memory of 2016	524	rundll32.exe	32
PID 524 wrote to memory of 2016	524	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f77843d2bc7ffa596853741eb8c5e0e7dc2a850714ee2ffccec8bfa492da9a96.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f77843d2bc7ffa596853741eb8c5e0e7dc2a850714ee2ffccec8bfa492da9a96.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 524 -s 224
    3⤵
    - Program crash
    PID:2016

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/524-0-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/524-1-0x0000000074B90000-0x0000000074BBF000-memory.dmp

Filesize
188KB

Download
memory/524-3-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download