dridex | 35c9ef92ec98ec941151d4420dd4195c60bc822cc60f36477229c2326b9909f9

Analysis

max time kernel
5s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
22/12/2023, 13:55

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General

Target

b1cddc9ba3a71be2ba81c6a7174e89d0.dll
Size

2.9MB
MD5

b1cddc9ba3a71be2ba81c6a7174e89d0
SHA1

4e61a4f6e52682ae084df93bfd294a382ca72ceb
SHA256

35c9ef92ec98ec941151d4420dd4195c60bc822cc60f36477229c2326b9909f9
SHA512

2e439bf9b16a6136518a367df0da9c6603f284afd7ae6ad7eb7b955004b085858cc1986d4bc1252aaff4526ac71fc79b570377fab9ad72463e4ff8d8f3b22f31
SSDEEP

12288:TVI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1:CfP7fWsK5z9A+WGAW+V5SB6Ct4bnb

Score

10^/10

dridex botnet evasion payload trojan

Malware Config

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Shellcode 1 IoCs

Detects Dridex Payload shellcode injected in Explorer process.

botnet payload

resource	yara_rule
behavioral1/memory/1072-5-0x0000000002E80000-0x0000000002E81000-memory.dmp	dridex_stager_shellcode

Drops startup file 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\KtHVm	Process not Found

Executes dropped EXE 1 IoCs

pid	Process
1352	perfmon.exe

Loads dropped DLL 2 IoCs

pid	Process
1072	Process not Found
1352	perfmon.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

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

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
1852	rundll32.exe
1852	rundll32.exe
1852	rundll32.exe
1072	Process not Found
1072	Process not Found
1072	Process not Found
1072	Process not Found
1072	Process not Found
1072	Process not Found
1072	Process not Found
1072	Process not Found
1072	Process not Found
1072	Process not Found
1072	Process not Found
1072	Process not Found

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1072 wrote to memory of 1684	1072	Process not Found	28
PID 1072 wrote to memory of 1684	1072	Process not Found	28
PID 1072 wrote to memory of 1684	1072	Process not Found	28
PID 1072 wrote to memory of 1352	1072	Process not Found	29
PID 1072 wrote to memory of 1352	1072	Process not Found	29
PID 1072 wrote to memory of 1352	1072	Process not Found	29
PID 1072 wrote to memory of 1440	1072	Process not Found	30
PID 1072 wrote to memory of 1440	1072	Process not Found	30
PID 1072 wrote to memory of 1440	1072	Process not Found	30

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1cddc9ba3a71be2ba81c6a7174e89d0.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:1852

C:\Windows\system32\perfmon.exe
C:\Windows\system32\perfmon.exe
1⤵
PID:1684

C:\Users\Admin\AppData\Local\ZvnNG\perfmon.exe
C:\Users\Admin\AppData\Local\ZvnNG\perfmon.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1352

C:\Windows\system32\msdt.exe
C:\Windows\system32\msdt.exe
1⤵
PID:1440

C:\Users\Admin\AppData\Local\17gi\msdt.exe
C:\Users\Admin\AppData\Local\17gi\msdt.exe
1⤵
PID:1444

C:\Users\Admin\AppData\Local\Q0F7O\dwm.exe
C:\Users\Admin\AppData\Local\Q0F7O\dwm.exe
1⤵
PID:276

C:\Windows\system32\dwm.exe
C:\Windows\system32\dwm.exe
1⤵
PID:1568

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/276-154-0x0000000000100000-0x0000000000107000-memory.dmp

Filesize
28KB

Download
memory/1072-40-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-37-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-18-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-23-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-38-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-49-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-60-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-65-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-71-0x0000000002E60000-0x0000000002E67000-memory.dmp

Filesize
28KB

Download
memory/1072-80-0x0000000077790000-0x0000000077792000-memory.dmp

Filesize
8KB

Download
memory/1072-79-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1072-64-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-63-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-62-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-61-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-59-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-58-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-57-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-56-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-55-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-54-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-53-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-52-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-51-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-50-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-48-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-47-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-46-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-45-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-44-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-43-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-42-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-41-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-36-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-13-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-39-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-4-0x0000000077426000-0x0000000077427000-memory.dmp

Filesize
4KB

Download
memory/1072-35-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-34-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-33-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-32-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-31-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-29-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-30-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-28-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-27-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-26-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-25-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-24-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-22-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-21-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-20-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-19-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-17-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-16-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-9-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-15-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-14-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-12-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-11-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-10-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-7-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1072-5-0x0000000002E80000-0x0000000002E81000-memory.dmp

Filesize
4KB

Download
memory/1072-185-0x0000000077426000-0x0000000077427000-memory.dmp

Filesize
4KB

Download
memory/1444-133-0x0000000000280000-0x0000000000287000-memory.dmp

Filesize
28KB

Download
memory/1444-193-0x0000000000280000-0x0000000000287000-memory.dmp

Filesize
28KB

Download
memory/1852-1-0x0000000000110000-0x0000000000117000-memory.dmp

Filesize
28KB

Download
memory/1852-0-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download
memory/1852-8-0x0000000140000000-0x00000001402E2000-memory.dmp

Filesize
2.9MB

Download