dridex | 30b6438b14eac5337f6d0f81997a4fce356611fc19155ae3650d5df21e894e74

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 23:46

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General

Target

1cfba0904f4423463f764a11a6fd4251_JaffaCakes118.dll
Size

920KB
MD5

1cfba0904f4423463f764a11a6fd4251
SHA1

a00c004b4de481c921c5ad2c98dcd87724b4b0a1
SHA256

30b6438b14eac5337f6d0f81997a4fce356611fc19155ae3650d5df21e894e74
SHA512

cc902fe1d2206b0f584fe3c0ba3874db4189a4f226da4c54a2a632deb719bb3d58cf934b467c58ad2d0ffcdd2672aef96b79e118c17a067d05ead2e4a3879a5f
SSDEEP

24576:bwWfnaVoffEQmyO378WTkvEKT9Hgce1BHboDCm:cuaq34yDWTkvvT9HgdboDC

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

209.20.87.138:443

198.1.115.153:8172

151.236.29.248:6516

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

43 4588 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

flow	pid	process
43	4588	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4912 wrote to memory of 4588	4912	rundll32.exe	rundll32.exe
PID 4912 wrote to memory of 4588	4912	rundll32.exe	rundll32.exe
PID 4912 wrote to memory of 4588	4912	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1cfba0904f4423463f764a11a6fd4251_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4912

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1cfba0904f4423463f764a11a6fd4251_JaffaCakes118.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:4588

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/4588-0-0x0000000075790000-0x00000000758D1000-memory.dmp

Filesize
1.3MB

Download
memory/4588-2-0x0000000075875000-0x0000000075879000-memory.dmp

Filesize
16KB

Download
memory/4588-3-0x0000000075790000-0x00000000758D1000-memory.dmp

Filesize
1.3MB

Download
memory/4588-4-0x0000000075790000-0x00000000758D1000-memory.dmp

Filesize
1.3MB

Download