dridex | 5b8824bea1696f956e3868a2521a1f0ad1b4b6932a7fdffeb7935ccb91fd86b6

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 17:51

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General

Target

JaffaCakes118_5b8824bea1696f956e3868a2521a1f0ad1b4b6932a7fdffeb7935ccb91fd86b6.dll
Size

166KB
MD5

3bdca791186b15e0fababc44ed6fe3bb
SHA1

8a598cc345480547c010395cd04a63e637e31c83
SHA256

5b8824bea1696f956e3868a2521a1f0ad1b4b6932a7fdffeb7935ccb91fd86b6
SHA512

71353b62ec4773f5156916950584f43db749dfa4c23fdb499ce98bb91c3923037424910c3255881895fe5247187946742cda8439b4053ae9f05f48ca245b782a
SSDEEP

3072:ruFbQtsYQcjxanytIp92/l1iPPqs1/whG68DaHrnpDZ+3l:r0czbty9uiaJlCl

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/2680-0-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2760	2680	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 3028 wrote to memory of 2680	3028	rundll32.exe	30
PID 3028 wrote to memory of 2680	3028	rundll32.exe	30
PID 3028 wrote to memory of 2680	3028	rundll32.exe	30
PID 3028 wrote to memory of 2680	3028	rundll32.exe	30
PID 3028 wrote to memory of 2680	3028	rundll32.exe	30
PID 3028 wrote to memory of 2680	3028	rundll32.exe	30
PID 3028 wrote to memory of 2680	3028	rundll32.exe	30
PID 2680 wrote to memory of 2760	2680	rundll32.exe	31
PID 2680 wrote to memory of 2760	2680	rundll32.exe	31
PID 2680 wrote to memory of 2760	2680	rundll32.exe	31
PID 2680 wrote to memory of 2760	2680	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b8824bea1696f956e3868a2521a1f0ad1b4b6932a7fdffeb7935ccb91fd86b6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b8824bea1696f956e3868a2521a1f0ad1b4b6932a7fdffeb7935ccb91fd86b6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 256
    3⤵
    - Program crash
    PID:2760

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

Replay Monitor

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Downloads

memory/2680-2-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

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memory/2680-0-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

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