dridex | d27f8c44bf5a82d98356fba379662d35b57cac933d9601f40e7a6854b1a2f9f5

Analysis

max time kernel
141s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
31-03-2024 09:05

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General

Target

527a75415c1d67b3aec7434b30b831d5_JaffaCakes118.dll
Size

608KB
MD5

527a75415c1d67b3aec7434b30b831d5
SHA1

a34d6f99e35560183d2e3699f26259d534c36537
SHA256

d27f8c44bf5a82d98356fba379662d35b57cac933d9601f40e7a6854b1a2f9f5
SHA512

e136977710379d28e5bebe6b9eb0284ece56cab8bb78afb15982de6c19ef2826913227fabaddfd63f33d863b611e974dc79e6d67cedeabeb7460d0dcf6428208
SSDEEP

12288:3ZGQdqOGrDJqydLqQSeCqsVK8kPRGO35N9mVrzXc6:3Z0fWjeCVVK8kP9N9o/

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

3 1500 rundll32.exe
5 1500 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	1500	rundll32.exe
5	1500	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 2220 wrote to memory of 1500	2220	rundll32.exe	rundll32.exe
PID 2220 wrote to memory of 1500	2220	rundll32.exe	rundll32.exe
PID 2220 wrote to memory of 1500	2220	rundll32.exe	rundll32.exe
PID 2220 wrote to memory of 1500	2220	rundll32.exe	rundll32.exe
PID 2220 wrote to memory of 1500	2220	rundll32.exe	rundll32.exe
PID 2220 wrote to memory of 1500	2220	rundll32.exe	rundll32.exe
PID 2220 wrote to memory of 1500	2220	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\527a75415c1d67b3aec7434b30b831d5_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2220

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\527a75415c1d67b3aec7434b30b831d5_JaffaCakes118.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1500

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/1500-0-0x0000000000840000-0x0000000000974000-memory.dmp

Filesize
1.2MB

Download
memory/1500-4-0x0000000000840000-0x0000000000974000-memory.dmp

Filesize
1.2MB

Download
memory/1500-2-0x0000000000840000-0x0000000000974000-memory.dmp

Filesize
1.2MB

Download
memory/1500-5-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/1500-3-0x0000000000840000-0x0000000000974000-memory.dmp

Filesize
1.2MB

Download
memory/1500-7-0x0000000000840000-0x0000000000974000-memory.dmp

Filesize
1.2MB

Download
memory/1500-9-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download