dridex | 810e2664f6bee2c5ddb2bfaf4c0969e4aaeb4d02e53321507b9d30bd448cf568

Analysis

max time kernel
140s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
18-08-2024 14:11

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General

Target

a6f5f2b9fc72e1abeffb740af8e31451_JaffaCakes118.dll
Size

1.0MB
MD5

a6f5f2b9fc72e1abeffb740af8e31451
SHA1

f0553bc14c11246e7bdc09e73ca76aaf7ef174f7
SHA256

810e2664f6bee2c5ddb2bfaf4c0969e4aaeb4d02e53321507b9d30bd448cf568
SHA512

5b481a85533a64d30d8558eab01b885c2e82e5a7a27d9a967107c323ea0f7ce8b84396a81f99bdb0612c1e6cfa8c8d245d6e083c34aca7ffc549b21843740679
SSDEEP

24576:d0umPtwAiyvA/7bGIkFXNr9ypZQf3E/DzLhukd5TkWCfyZgugu:O3Pvo/3G9XNr2A38XhDTkpfyZgugu

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 2 IoCs

flow	pid	Process
3	2852	rundll32.exe
5	2852	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

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

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 7 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2852	2708	rundll32.exe	30
PID 2708 wrote to memory of 2852	2708	rundll32.exe	30
PID 2708 wrote to memory of 2852	2708	rundll32.exe	30
PID 2708 wrote to memory of 2852	2708	rundll32.exe	30
PID 2708 wrote to memory of 2852	2708	rundll32.exe	30
PID 2708 wrote to memory of 2852	2708	rundll32.exe	30
PID 2708 wrote to memory of 2852	2708	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6f5f2b9fc72e1abeffb740af8e31451_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6f5f2b9fc72e1abeffb740af8e31451_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

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/2852-0-0x00000000746CA000-0x00000000746CE000-memory.dmp

Filesize
16KB

Download
memory/2852-1-0x00000000745C0000-0x000000007472A000-memory.dmp

Filesize
1.4MB

Download
memory/2852-3-0x00000000745C0000-0x000000007472A000-memory.dmp

Filesize
1.4MB

Download
memory/2852-5-0x00000000746CA000-0x00000000746CE000-memory.dmp

Filesize
16KB

Download
memory/2852-4-0x00000000745C0000-0x000000007472A000-memory.dmp

Filesize
1.4MB

Download