dridex | 4bbcbe529479c0526f33fa0e878b58abeb727debee1c924616a6e1f9a95980b9

Analysis

max time kernel
142s
max time network
166s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
31-07-2022 05:06

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General

Target

c4voo0gc.dll
Size

576KB
MD5

84b7173353617c4c216397c3e68cb948
SHA1

ec64476b9242df713471a933849ac75593edd2a9
SHA256

4bbcbe529479c0526f33fa0e878b58abeb727debee1c924616a6e1f9a95980b9
SHA512

c69886872913e0ef7121ea0105362cf44352a3619d1aa55b0ef6225b3ba177ef09f3235bdca5e19072c040029bf276493b304a12acfadfd586a78d6231497eb0

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

77.220.64.131:443

5.196.204.251:5037

192.99.41.136:981

24.229.3.146:4664

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 1604 rundll32.exe
5 1604 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	1604	rundll32.exe
5	1604	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 1644 wrote to memory of 1604	1644	rundll32.exe	rundll32.exe
PID 1644 wrote to memory of 1604	1644	rundll32.exe	rundll32.exe
PID 1644 wrote to memory of 1604	1644	rundll32.exe	rundll32.exe
PID 1644 wrote to memory of 1604	1644	rundll32.exe	rundll32.exe
PID 1644 wrote to memory of 1604	1644	rundll32.exe	rundll32.exe
PID 1644 wrote to memory of 1604	1644	rundll32.exe	rundll32.exe
PID 1644 wrote to memory of 1604	1644	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4voo0gc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1644

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4voo0gc.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1604

Network

MITRE ATT&CK Matrix ATT&CK v6

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

Replay Monitor

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Downloads

memory/1604-54-0x0000000000000000-mapping.dmp

Download
memory/1604-55-0x0000000076071000-0x0000000076073000-memory.dmp

Filesize
8KB

Download
memory/1604-57-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1604-56-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1604-59-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1604-60-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download