dridex | 4850bb885ea9c2266d592c33de4e326555cee54156978afbc846f75836b991ae

Analysis

max time kernel
44s
max time network
63s
platform
windows7_x64
resource
win7-20220414-en
submitted
11-06-2022 16:51

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General

Target

og27ksp6.dll
Size

1.0MB
MD5

f6513fd9bb92c2eecb2bee88d7a221a3
SHA1

f2358c1c65a3d76fdd29018c76915971fe91ee5b
SHA256

4850bb885ea9c2266d592c33de4e326555cee54156978afbc846f75836b991ae
SHA512

204948b212553665e4b31169f5bafe500cc5735af1da05fa722d26b4ea76cf2c004b7a36488936b873c83bfd34c59e8acd623922306a4c851b5a306c8ef3766e

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

192.46.210.220:443

143.244.140.214:808

45.77.0.96:6891

185.56.219.47:8116

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

2 1688 rundll32.exe
5 1688 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
2	1688	rundll32.exe
5	1688	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 904 wrote to memory of 1688	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 1688	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 1688	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 1688	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 1688	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 1688	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 1688	904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\og27ksp6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:904

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\og27ksp6.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1688

Network

MITRE ATT&CK Enterprise v6

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/1688-54-0x0000000000000000-mapping.dmp

Download
memory/1688-55-0x00000000751C1000-0x00000000751C3000-memory.dmp

Filesize
8KB

Download
memory/1688-56-0x0000000074640000-0x000000007475B000-memory.dmp

Filesize
1.1MB

Download
memory/1688-58-0x0000000074640000-0x000000007475B000-memory.dmp

Filesize
1.1MB

Download
memory/1688-57-0x0000000074640000-0x000000007467D000-memory.dmp

Filesize
244KB

Download
memory/1688-60-0x0000000074640000-0x000000007475B000-memory.dmp

Filesize
1.1MB

Download
memory/1688-61-0x0000000074640000-0x000000007475B000-memory.dmp

Filesize
1.1MB

Download