4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe

Analysis

max time kernel
92s
max time network
151s
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, 13:30

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General

Target

4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe
Size

935KB
MD5

9432ab9e3e5478185ffd489365aa0ca8
SHA1

eff2b31100158452b92d990cec0fd83e6ac45d5a
SHA256

4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe
SHA512

976136f1d4e8186d7c948c2b0ceea50464a9cfa270bfdbeb56c394fa68b701b5520f2e114794c934f196b1de4faf05a401ae4a29b172bfb715ed33064787e019
SSDEEP

12288:J5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4:JyHv5Z+Wzv7AiBll0OBWi6si9G

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4056-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4056-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4056-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4056-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4056-138-0x0000000000400000-0x00000000004F2000-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	4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.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	4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1656 set thread context of 4056	1656	4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe	79

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4056	4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe
4056	4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe
4056	4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe
4056	4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe
4056	4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe
4056	4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 4056	1656	4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe	79
PID 1656 wrote to memory of 4056	1656	4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe	79
PID 1656 wrote to memory of 4056	1656	4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe	79
PID 1656 wrote to memory of 4056	1656	4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe	79
PID 1656 wrote to memory of 4056	1656	4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe	79
PID 1656 wrote to memory of 4056	1656	4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe	79
PID 1656 wrote to memory of 4056	1656	4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe	79
PID 1656 wrote to memory of 4056	1656	4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe	79

C:\Users\Admin\AppData\Local\Temp\4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe
"C:\Users\Admin\AppData\Local\Temp\4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Users\Admin\AppData\Local\Temp\4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe
  "C:\Users\Admin\AppData\Local\Temp\4c966af8083265bf28759d38c6b72d03b1458b8f3158656ff2b1560be93639fe.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4056

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/4056-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4056-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4056-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4056-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4056-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads