dridex | 9cfbedb110953e3063570f1aafe198de235256ecc3b9211ecd9e0f71ed9e46e6

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
24-12-2024 10:45

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General

Target

JaffaCakes118_9cfbedb110953e3063570f1aafe198de235256ecc3b9211ecd9e0f71ed9e46e6.dll
Size

184KB
MD5

d2c1873d0c7e276b61aacaef03bdbf29
SHA1

11f527519ff2faccfa232512980e0e46f99141ca
SHA256

9cfbedb110953e3063570f1aafe198de235256ecc3b9211ecd9e0f71ed9e46e6
SHA512

34b3f5a5f91a13cf5d608a152b3541dd5cac99e565148c5297f3f443afdccff8ad4b66c77f1d2afa0b835cd6eea187b4902ae452be72e54ffc3f5a16da21cbb6
SSDEEP

3072:NiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eao/lzoxss7:NiLVCIT4WK2z1W+CUHZj4Skq/eaodoC

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/1636-1-0x0000000075030000-0x000000007505F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2304	1636	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 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 1636 wrote to memory of 2304	1636	rundll32.exe	29
PID 1636 wrote to memory of 2304	1636	rundll32.exe	29
PID 1636 wrote to memory of 2304	1636	rundll32.exe	29
PID 1636 wrote to memory of 2304	1636	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cfbedb110953e3063570f1aafe198de235256ecc3b9211ecd9e0f71ed9e46e6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cfbedb110953e3063570f1aafe198de235256ecc3b9211ecd9e0f71ed9e46e6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 220
    3⤵
    - Program crash
    PID:2304

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/1636-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1636-1-0x0000000075030000-0x000000007505F000-memory.dmp

Filesize
188KB

Download
memory/1636-3-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

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