dridex | c28ffcfb26e3c131d375874f5e222b770c69c91da313b8568e0f1bb2562ef9be

Analysis

max time kernel
147s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04-04-2024 08:36

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General

Target

b3b37517a4b3fed4b3f36a12ed3bab01_JaffaCakes118.dll
Size

608KB
MD5

b3b37517a4b3fed4b3f36a12ed3bab01
SHA1

5f5486a5c2b8871e47616e7b6057a1dff820d882
SHA256

c28ffcfb26e3c131d375874f5e222b770c69c91da313b8568e0f1bb2562ef9be
SHA512

1d5a06e57a6932fdaa4724d04b86014560e688d066bff599dd215cb4e9ddce73a941a680592d177f6bf83b595d74fac9a015db00cf0d830e0e6c36e2c2f4623b
SSDEEP

12288:LZGQdqOG9NJqydLqQSeCqsVK8kPRGO35N9mVZzXc6O:LZ0/WjeCVVK8kP9N9oVU

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 2 IoCs

Processes:

rundll32.exe

flow pid process

21 980 rundll32.exe
55 980 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
21	980	rundll32.exe
55	980	rundll32.exe

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4712 wrote to memory of 980	4712	rundll32.exe	rundll32.exe
PID 4712 wrote to memory of 980	4712	rundll32.exe	rundll32.exe
PID 4712 wrote to memory of 980	4712	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3b37517a4b3fed4b3f36a12ed3bab01_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4712

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:980

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/980-0-0x0000000001F40000-0x0000000002074000-memory.dmp

Filesize
1.2MB

Download
memory/980-2-0x0000000001F40000-0x0000000002074000-memory.dmp

Filesize
1.2MB

Download
memory/980-3-0x0000000001F40000-0x0000000002074000-memory.dmp

Filesize
1.2MB

Download
memory/980-5-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/980-6-0x0000000001F40000-0x0000000002074000-memory.dmp

Filesize
1.2MB

Download
memory/980-7-0x0000000001F40000-0x0000000002074000-memory.dmp

Filesize
1.2MB

Download
memory/980-9-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download