4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2

Analysis

max time kernel
24s
max time network
63s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 13:34

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General

Target

4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2.exe
Size

935KB
MD5

776918efc352c8c739d0b3a5b10f77ba
SHA1

d9500b7e76a7a1262619036f7277dac40539ad02
SHA256

4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2
SHA512

b06a7a25c6b0b007676bd7ccb11322e3268b241ed209d6c3db9b523a2b35f870032771bbb597898d9083b6004fa62066127ecefb83c6e51e2074171cd94cdb7e
SSDEEP

12288:Z5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4C:ZyHv5Z+Wzv7AiBll0OBWi6si9GL

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
behavioral1/memory/908-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/908-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/908-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/908-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/908-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/908-64-0x0000000000400000-0x00000000004F2000-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	4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2.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	4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1980 set thread context of 908	1980	4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2.exe	28

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
908	4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 908	1980	4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2.exe	28
PID 1980 wrote to memory of 908	1980	4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2.exe	28
PID 1980 wrote to memory of 908	1980	4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2.exe	28
PID 1980 wrote to memory of 908	1980	4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2.exe	28
PID 1980 wrote to memory of 908	1980	4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2.exe	28
PID 1980 wrote to memory of 908	1980	4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2.exe	28
PID 1980 wrote to memory of 908	1980	4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2.exe	28
PID 1980 wrote to memory of 908	1980	4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2.exe	28

C:\Users\Admin\AppData\Local\Temp\4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2.exe
"C:\Users\Admin\AppData\Local\Temp\4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Users\Admin\AppData\Local\Temp\4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2.exe
  "C:\Users\Admin\AppData\Local\Temp\4af2c989f79a699d76d909430e64b6a41f14b037d33df4e76df1843e089c93c2.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:908

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/908-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/908-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/908-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/908-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/908-61-0x00000000764D1000-0x00000000764D3000-memory.dmp

Filesize
8KB

Download
memory/908-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/908-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/908-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads