dridex | d40041f60c6a9aae6ac0a04d1a9224f14fcf119cc41d5599941769146524f8ea

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
06-05-2024 17:28

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General

Target

c78zdj.jpg.dll
Size

664KB
MD5

68f95809ba9b346ae75c82d10cb5bf62
SHA1

094d74fce8c00a7dcb1d92cae01dd91f1595b4e9
SHA256

d40041f60c6a9aae6ac0a04d1a9224f14fcf119cc41d5599941769146524f8ea
SHA512

d46f8e3a41dfb6b6487e6d65d2276d4d12b26ab64957fa806b09300e5e17eecbcc5d1a02c4a17b38c34d2816f8455d5845b362326e8e15666daca6de6fb47767
SSDEEP

12288:B/0Qzqf0eCi48wM+6TFKywVt6PbEYU0eyJTT/Mu9oV01ueoaEP:B0zhCjn6TFKywvCbEOxDMu9oySaEP

Score

10^/10

dridex 10222 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10222

174.128.245.202:443

51.83.3.52:13786

69.64.50.41:6602

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 2988 rundll32.exe
5 2988 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	2988	rundll32.exe
5	2988	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 2424 wrote to memory of 2988	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2988	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2988	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2988	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2988	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2988	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2988	2424	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c78zdj.jpg.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2424

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c78zdj.jpg.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2988

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/2988-0-0x0000000000440000-0x000000000057C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-3-0x0000000000440000-0x000000000057C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-2-0x0000000000440000-0x000000000057C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-5-0x00000000004E2000-0x00000000004E8000-memory.dmp

Filesize
24KB

Download
memory/2988-6-0x0000000000440000-0x000000000057C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-7-0x0000000000440000-0x000000000057C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-8-0x0000000000440000-0x000000000057C000-memory.dmp

Filesize
1.2MB

Download