dridex | c28ffcfb26e3c131d375874f5e222b770c69c91da313b8568e0f1bb2562ef9be

Analysis

max time kernel
147s
max time network
147s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04/04/2024, 08:36

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General

Target
b3b37517a4b3fed4b3f36a12ed3bab01_JaffaCakes118.dll
Size 608KB
Sample240404-khx2esae3x
SHA256 c28ffcfb26e3c131d375874f5e222b770c69c91da313b8568e0f1bb2562ef9be
MD5 b3b37517a4b3fed4b3f36a12ed3bab01
SHA1 5f5486a5c2b8871e47616e7b6057a1dff820d882
SHA512 1d5a06e57a6932fdaa4724d04b86014560e688d066bff599dd215cb4e9ddce73a941a680592d177f6bf83b595d74fac9a015db00cf0d830e0e6c36e2c2f4623b
SSDEEP 12288:LZGQdqOG9NJqydLqQSeCqsVK8kPRGO35N9mVZzXc6O:LZ0/WjeCVVK8kP9N9oVU
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

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 4 IoCs

flow	pid	Process
3	1544	rundll32.exe
5	1544	rundll32.exe
6	1544	rundll32.exe
7	1544	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

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 1544	2272	rundll32.exe	28
PID 2272 wrote to memory of 1544	2272	rundll32.exe	28
PID 2272 wrote to memory of 1544	2272	rundll32.exe	28
PID 2272 wrote to memory of 1544	2272	rundll32.exe	28
PID 2272 wrote to memory of 1544	2272	rundll32.exe	28
PID 2272 wrote to memory of 1544	2272	rundll32.exe	28
PID 2272 wrote to memory of 1544	2272	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3b37517a4b3fed4b3f36a12ed3bab01_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3b37517a4b3fed4b3f36a12ed3bab01_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1544

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/1544-0-0x0000000000700000-0x0000000000834000-memory.dmp

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memory/1544-2-0x0000000000700000-0x0000000000834000-memory.dmp

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memory/1544-4-0x0000000000700000-0x0000000000834000-memory.dmp

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memory/1544-6-0x0000000000220000-0x0000000000221000-memory.dmp

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memory/1544-3-0x0000000000700000-0x0000000000834000-memory.dmp

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memory/1544-7-0x0000000000700000-0x0000000000834000-memory.dmp

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memory/1544-8-0x0000000000700000-0x0000000000834000-memory.dmp

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memory/1544-10-0x0000000000220000-0x0000000000221000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads