dridex | 978a8858ac3adf2088106a658e2333dd30642f00c34b3f10975c3a7b99bb7f54

Analysis

max time kernel
140s
max time network
119s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
24-06-2024 09:06

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General

Target

079cce6657c100aa3af7952631700678_JaffaCakes118.dll
Size

1.0MB
MD5

079cce6657c100aa3af7952631700678
SHA1

306b63f55b8ba18809955003d41313f3493baa82
SHA256

978a8858ac3adf2088106a658e2333dd30642f00c34b3f10975c3a7b99bb7f54
SHA512

3aaf001cd44b90356d9b111235b71db7e76f8656f033af2fa2bd2ac41409113c6ce894f653bd6e0f7d62d254fcf2b315a64c413109853504f3b0ae572043ea9f
SSDEEP

24576:uxumPtwAiyvA/7bGIkFXNr9ypZQf3E/DzLhukd5TkWCfTZgugu:g3Pvo/3G9XNr2A38XhDTkpfTZgugu

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

Processes:

rundll32.exe

flow pid process

3 2404 rundll32.exe
5 2404 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
3	2404	rundll32.exe
5	2404	rundll32.exe

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2044 wrote to memory of 2404	2044	rundll32.exe	rundll32.exe
PID 2044 wrote to memory of 2404	2044	rundll32.exe	rundll32.exe
PID 2044 wrote to memory of 2404	2044	rundll32.exe	rundll32.exe
PID 2044 wrote to memory of 2404	2044	rundll32.exe	rundll32.exe
PID 2044 wrote to memory of 2404	2044	rundll32.exe	rundll32.exe
PID 2044 wrote to memory of 2404	2044	rundll32.exe	rundll32.exe
PID 2044 wrote to memory of 2404	2044	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\079cce6657c100aa3af7952631700678_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2044

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\079cce6657c100aa3af7952631700678_JaffaCakes118.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2404

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

Replay Monitor

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Downloads

memory/2404-1-0x0000000074350000-0x00000000744BA000-memory.dmp

Filesize
1.4MB

Download
memory/2404-2-0x000000007445A000-0x000000007445E000-memory.dmp

Filesize
16KB

Download
memory/2404-3-0x0000000074350000-0x00000000744BA000-memory.dmp

Filesize
1.4MB

Download
memory/2404-4-0x0000000074350000-0x00000000744BA000-memory.dmp

Filesize
1.4MB

Download