dridex | 72c42c09b13c3e34e4fb8f9339f6c658a6a0ea6013449287a473b10b9ff611fa

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 10:32

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General

Target

JaffaCakes118_72c42c09b13c3e34e4fb8f9339f6c658a6a0ea6013449287a473b10b9ff611fa.dll
Size

184KB
MD5

536086b51163f259acdee4d970b4e185
SHA1

2c7dbee2fa83c340967d3158a789c1f73451e33f
SHA256

72c42c09b13c3e34e4fb8f9339f6c658a6a0ea6013449287a473b10b9ff611fa
SHA512

517325e7e80b4b7875a4fc04071e9bccf161b36689affa713f0e994d5c1aff7bf024df443fd504f670052be8c273aab9840a5add2ee9a8d668726aa1e780f8f2
SSDEEP

3072:lJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8J1a//2uFrSc:OfYOX+wTScR/Xzku9LVwGuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1892-0-0x0000000075260000-0x000000007528F000-memory.dmp	dridex_ldr
behavioral1/memory/1892-3-0x0000000075260000-0x000000007528F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2724	1892	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 1608 wrote to memory of 1892	1608	rundll32.exe	28
PID 1608 wrote to memory of 1892	1608	rundll32.exe	28
PID 1608 wrote to memory of 1892	1608	rundll32.exe	28
PID 1608 wrote to memory of 1892	1608	rundll32.exe	28
PID 1608 wrote to memory of 1892	1608	rundll32.exe	28
PID 1608 wrote to memory of 1892	1608	rundll32.exe	28
PID 1608 wrote to memory of 1892	1608	rundll32.exe	28
PID 1892 wrote to memory of 2724	1892	rundll32.exe	29
PID 1892 wrote to memory of 2724	1892	rundll32.exe	29
PID 1892 wrote to memory of 2724	1892	rundll32.exe	29
PID 1892 wrote to memory of 2724	1892	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_72c42c09b13c3e34e4fb8f9339f6c658a6a0ea6013449287a473b10b9ff611fa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_72c42c09b13c3e34e4fb8f9339f6c658a6a0ea6013449287a473b10b9ff611fa.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1892
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1892 -s 220
    3⤵
    - Program crash
    PID:2724

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/1892-0-0x0000000075260000-0x000000007528F000-memory.dmp

Filesize
188KB

Download
memory/1892-2-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1892-3-0x0000000075260000-0x000000007528F000-memory.dmp

Filesize
188KB

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