ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6

Analysis

max time kernel
194s
max time network
203s
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

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe
Size

935KB
MD5

7db85dcbfbcfb428361975736baf46df
SHA1

3f3430117febab0e55a86c3a703eb229a82411e2
SHA256

ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6
SHA512

33757adbe71a923d5570f4534128d66f050aec31605f3667fa2db456b1b32d44319ee9208ee359319d472a62a1e69acf5b7aaea45b32779e365dcbf656176292
SSDEEP

12288:p5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4D:pyHv5Z+Wzv7AiBll0OBWi6si9Gy

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3776-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3776-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3776-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3776-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3776-138-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3776-139-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3776-140-0x0000000000400000-0x00000000004F2000-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	ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2352 set thread context of 3776	2352	ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe	79

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3776	ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe
3776	ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe
3776	ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe
3776	ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe
3776	ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe
3776	ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 3776	2352	ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe	79
PID 2352 wrote to memory of 3776	2352	ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe	79
PID 2352 wrote to memory of 3776	2352	ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe	79
PID 2352 wrote to memory of 3776	2352	ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe	79
PID 2352 wrote to memory of 3776	2352	ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe	79
PID 2352 wrote to memory of 3776	2352	ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe	79
PID 2352 wrote to memory of 3776	2352	ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe	79
PID 2352 wrote to memory of 3776	2352	ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe	79

C:\Users\Admin\AppData\Local\Temp\ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe
"C:\Users\Admin\AppData\Local\Temp\ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Users\Admin\AppData\Local\Temp\ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe
  "C:\Users\Admin\AppData\Local\Temp\ac8b841016019329ef036b4597c6d7679a71fa7c8f80fed9ffeb4cc77353c9d6.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:3776

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3776-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3776-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3776-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3776-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3776-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3776-139-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3776-140-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads