dridex | 4a920f1a1736dae803c58c19a5f63aff6b2c050f0f49eef0274907781ce02b32

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:02

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General

Target

JaffaCakes118_4a920f1a1736dae803c58c19a5f63aff6b2c050f0f49eef0274907781ce02b32.dll
Size

177KB
MD5

1fb1ee24bb8efe3fd547fd38526daa28
SHA1

9417be4accb58eb1c3d5c5649c900b3186e5a9ac
SHA256

4a920f1a1736dae803c58c19a5f63aff6b2c050f0f49eef0274907781ce02b32
SHA512

3414c712e664a9a4e18c11f43377ee9c447e6ef83b62c767db8114caf7a3a49bade5699f0031b58b1edc83cec39b9674fc51feeeb3e432dfb0a373e1eee8e762
SSDEEP

3072:QuCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJ:8zWxkOP4p2EesvcDi6DOHPJ

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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/2140-0-0x00000000753B0000-0x00000000753E1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2848	2140	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 2008 wrote to memory of 2140	2008	rundll32.exe	30
PID 2008 wrote to memory of 2140	2008	rundll32.exe	30
PID 2008 wrote to memory of 2140	2008	rundll32.exe	30
PID 2008 wrote to memory of 2140	2008	rundll32.exe	30
PID 2008 wrote to memory of 2140	2008	rundll32.exe	30
PID 2008 wrote to memory of 2140	2008	rundll32.exe	30
PID 2008 wrote to memory of 2140	2008	rundll32.exe	30
PID 2140 wrote to memory of 2848	2140	rundll32.exe	31
PID 2140 wrote to memory of 2848	2140	rundll32.exe	31
PID 2140 wrote to memory of 2848	2140	rundll32.exe	31
PID 2140 wrote to memory of 2848	2140	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a920f1a1736dae803c58c19a5f63aff6b2c050f0f49eef0274907781ce02b32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a920f1a1736dae803c58c19a5f63aff6b2c050f0f49eef0274907781ce02b32.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2140
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2140 -s 220
    3⤵
    - Program crash
    PID:2848

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/2140-0-0x00000000753B0000-0x00000000753E1000-memory.dmp

Filesize
196KB

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memory/2140-2-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

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