dridex | 27f14a0d6503fbc9ec406c167f9b9b5983e2e6662dc2010e00db49b133afeb89

Analysis

max time kernel
142s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06-05-2024 17:28

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General

Target

cf8oprb5.jpg.dll
Size

664KB
MD5

e336f542343e0c325f97335b6cd911a5
SHA1

17efa4877db6fb939f28e04315b4701a087502f1
SHA256

27f14a0d6503fbc9ec406c167f9b9b5983e2e6662dc2010e00db49b133afeb89
SHA512

15acd921ca6d6f4c73bed213b858e83dbd2159c59e59d94600a01cb25898b9edec5dbf1634f05431418d9fb8257035a1368868c8c890a5dcf5b78d84aeebb89f
SSDEEP

12288:u/0Qzqf0eri48EM+6TFKywVt6PbEYU0eyJTT/Mu9oV01uSoaEP:00zhrHn6TFKywvCbEOxDMu9oyyaEP

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 2060 rundll32.exe
5 2060 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	2060	rundll32.exe
5	2060	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 2476 wrote to memory of 2060	2476	rundll32.exe	rundll32.exe
PID 2476 wrote to memory of 2060	2476	rundll32.exe	rundll32.exe
PID 2476 wrote to memory of 2060	2476	rundll32.exe	rundll32.exe
PID 2476 wrote to memory of 2060	2476	rundll32.exe	rundll32.exe
PID 2476 wrote to memory of 2060	2476	rundll32.exe	rundll32.exe
PID 2476 wrote to memory of 2060	2476	rundll32.exe	rundll32.exe
PID 2476 wrote to memory of 2060	2476	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf8oprb5.jpg.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2476
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf8oprb5.jpg.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:2060

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

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Downloads

memory/2060-0-0x0000000001F10000-0x000000000204C000-memory.dmp

Filesize
1.2MB

Download
memory/2060-3-0x0000000001F10000-0x000000000204C000-memory.dmp

Filesize
1.2MB

Download
memory/2060-2-0x0000000001F10000-0x000000000204C000-memory.dmp

Filesize
1.2MB

Download
memory/2060-7-0x0000000001F10000-0x000000000204C000-memory.dmp

Filesize
1.2MB

Download
memory/2060-6-0x0000000001FB2000-0x0000000001FB8000-memory.dmp

Filesize
24KB

Download
memory/2060-8-0x0000000001F10000-0x000000000204C000-memory.dmp

Filesize
1.2MB

Download