e16526568dea309c1d5bddb6885ff61d4ba4e379c8addff73b44c8146579a3e7

Analysis

max time kernel
142s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 13:06

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General

Target

8c66121593c214fe87da75ef279999a7.exe
Size

457KB
MD5

8c66121593c214fe87da75ef279999a7
SHA1

99df6c95ab58321a37ea28fa8a81f1c6fba86cdc
SHA256

e16526568dea309c1d5bddb6885ff61d4ba4e379c8addff73b44c8146579a3e7
SHA512

3b79c1d490fada157977f3f3ae8252ca8a7c44ea371a2c59e76078f5ccff980b08d287f7e75aeddddc886d56c628152eb007222c87d879e9ed9cb4bfda4506d9
SSDEEP

12288:RuKZw/VXRT3ebeZp7PCOt4IPPYEKgxnQQ4TPqqt:RuWwP6yn7RYEKgxnZV

Score

8^/10

Malware Config

Signatures

Manipulates Digital Signatures 1 TTPs 1 IoCs

Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\State = "146944"	vtf2vPezlkVu.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\vtf2vPezlkVu	vtf2vPezlkVu.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main	vtf2vPezlkVu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Use FormSuggest = "Yes"	vtf2vPezlkVu.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3020	8c66121593c214fe87da75ef279999a7.exe
3020	8c66121593c214fe87da75ef279999a7.exe
3020	8c66121593c214fe87da75ef279999a7.exe
3020	8c66121593c214fe87da75ef279999a7.exe
560	vtf2vPezlkVu.exe
560	vtf2vPezlkVu.exe
560	vtf2vPezlkVu.exe
560	vtf2vPezlkVu.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3020	8c66121593c214fe87da75ef279999a7.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
560	vtf2vPezlkVu.exe
560	vtf2vPezlkVu.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
560	vtf2vPezlkVu.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
3020	8c66121593c214fe87da75ef279999a7.exe
560	vtf2vPezlkVu.exe
560	vtf2vPezlkVu.exe
560	vtf2vPezlkVu.exe
560	vtf2vPezlkVu.exe
560	vtf2vPezlkVu.exe
560	vtf2vPezlkVu.exe
560	vtf2vPezlkVu.exe
560	vtf2vPezlkVu.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 560	3020	8c66121593c214fe87da75ef279999a7.exe	89
PID 3020 wrote to memory of 560	3020	8c66121593c214fe87da75ef279999a7.exe	89
PID 3020 wrote to memory of 560	3020	8c66121593c214fe87da75ef279999a7.exe	89

C:\Users\Admin\AppData\Local\Temp\8c66121593c214fe87da75ef279999a7.exe
"C:\Users\Admin\AppData\Local\Temp\8c66121593c214fe87da75ef279999a7.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3020
- C:\PROGRA~3\vtf2vPezlkVu.exe
  C:\PROGRA~3\vtf2vPezlkVu.exe
  2⤵
  - Manipulates Digital Signatures
  - Drops file in Program Files directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

SIP and Trust Provider Hijacking

T1553.003

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/560-3-0x0000000000400000-0x00000000006D4000-memory.dmp

Filesize
2.8MB

Download
memory/560-8-0x0000000000400000-0x00000000006D4000-memory.dmp

Filesize
2.8MB

Download
memory/560-9-0x0000000000400000-0x00000000006D4000-memory.dmp

Filesize
2.8MB

Download
memory/560-10-0x0000000000400000-0x00000000006D4000-memory.dmp

Filesize
2.8MB

Download
memory/560-11-0x0000000000400000-0x00000000006D4000-memory.dmp

Filesize
2.8MB

Download
memory/560-13-0x0000000000400000-0x00000000006D4000-memory.dmp

Filesize
2.8MB

Download
memory/3020-0-0x0000000002570000-0x0000000002710000-memory.dmp

Filesize
1.6MB

Download
memory/3020-1-0x0000000000400000-0x00000000006D4000-memory.dmp

Filesize
2.8MB

Download
memory/3020-2-0x0000000000400000-0x00000000006D4000-memory.dmp

Filesize
2.8MB

Download