ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 09:24

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General

Target

ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe
Size

935KB
MD5

054eed7c4548da008b0c79fdac467204
SHA1

1c61dcb82ea6ad5cac210cbb4c31fad5c3cc536f
SHA256

ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573
SHA512

ba413c64883c3661982732ef977f83d789b2dcf968eaae62844ac02e5c8ff6170d83f6f9217b468d9fb17900c78169a57810cffec74593e942136b974ade2c59
SSDEEP

12288:o5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4:oyHv5Z+Wzv7AiBll0OBWi6si9G

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4300-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4300-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4300-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4300-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4300-138-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4300-139-0x0000000000400000-0x00000000004F2000-memory.dmp	upx

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4808 set thread context of 4300	4808	ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe	83

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4300	ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe
4300	ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe
4300	ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe
4300	ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe
4300	ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe
4300	ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 4300	4808	ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe	83
PID 4808 wrote to memory of 4300	4808	ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe	83
PID 4808 wrote to memory of 4300	4808	ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe	83
PID 4808 wrote to memory of 4300	4808	ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe	83
PID 4808 wrote to memory of 4300	4808	ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe	83
PID 4808 wrote to memory of 4300	4808	ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe	83
PID 4808 wrote to memory of 4300	4808	ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe	83
PID 4808 wrote to memory of 4300	4808	ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe	83

C:\Users\Admin\AppData\Local\Temp\ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe
"C:\Users\Admin\AppData\Local\Temp\ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4808
- C:\Users\Admin\AppData\Local\Temp\ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe
  "C:\Users\Admin\AppData\Local\Temp\ac8c3d2741728a061bb85c0a9700d15bd0530774a8e7464912d58b02a6bb9573.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4300

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4300-132-0x0000000000000000-mapping.dmp

Download
memory/4300-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4300-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4300-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4300-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4300-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4300-139-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads