dridex | 498f8701127ca96742a9a634e0ac939dcbc05167e8799e61d8c93de51cda335c

Analysis

max time kernel
142s
max time network
127s
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

fqvzp6.jpg.dll
Size

664KB
MD5

0657afb2f41c9b824c4fbf1a9978bdd8
SHA1

ec4a90033667f7ee43df69a56ffe0ef92aecf0fe
SHA256

498f8701127ca96742a9a634e0ac939dcbc05167e8799e61d8c93de51cda335c
SHA512

2da96c02dbee1812b827d0588400fc34db2fe7a3d48af19860476c912343425af7d35e651a73031c5c7b8a9a785dfbd6f65d4eaf4cb0c7afbfedc15d121cba2a
SSDEEP

12288:k/0Qzqf0evi48TM+6TFKywVt6PbEYU0eyJTT/Mu9oV01unoaEP:i0zhvQn6TFKywvCbEOxDMu9oyRaEP

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 1988 rundll32.exe
5 1988 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	1988	rundll32.exe
5	1988	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 1732 wrote to memory of 1988	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 1988	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 1988	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 1988	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 1988	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 1988	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 1988	1732	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fqvzp6.jpg.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fqvzp6.jpg.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1988

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1988-0-0x0000000001F10000-0x000000000204C000-memory.dmp

Filesize
1.2MB

Download
memory/1988-2-0x0000000001F10000-0x000000000204C000-memory.dmp

Filesize
1.2MB

Download
memory/1988-3-0x0000000001F10000-0x000000000204C000-memory.dmp

Filesize
1.2MB

Download
memory/1988-7-0x0000000001F10000-0x000000000204C000-memory.dmp

Filesize
1.2MB

Download
memory/1988-6-0x0000000001FB2000-0x0000000001FB8000-memory.dmp

Filesize
24KB

Download
memory/1988-8-0x0000000001F10000-0x000000000204C000-memory.dmp

Filesize
1.2MB

Download