4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4

Analysis

max time kernel
38s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 13:21

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General

Target

4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4.exe
Size

935KB
MD5

cba4dc0776c8b65dd808a8b1002a61a4
SHA1

672d933063fd9c35e4310b04b35bba30b5cc977e
SHA256

4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4
SHA512

83e5e616c1fabaebd180781226ed4860fe39722b7396a64e10841fb97fabd20939aabe8a8c6a127fb1e304772622fff51fdd062ad8d77cdde840d7b5707c6a80
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
behavioral1/memory/1704-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1704-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1704-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1704-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1704-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1704-64-0x0000000000400000-0x00000000004F2000-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	4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4.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	4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1264 set thread context of 1704	1264	4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1704	4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 1704	1264	4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4.exe	29
PID 1264 wrote to memory of 1704	1264	4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4.exe	29
PID 1264 wrote to memory of 1704	1264	4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4.exe	29
PID 1264 wrote to memory of 1704	1264	4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4.exe	29
PID 1264 wrote to memory of 1704	1264	4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4.exe	29
PID 1264 wrote to memory of 1704	1264	4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4.exe	29
PID 1264 wrote to memory of 1704	1264	4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4.exe	29
PID 1264 wrote to memory of 1704	1264	4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4.exe	29

C:\Users\Admin\AppData\Local\Temp\4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4.exe
"C:\Users\Admin\AppData\Local\Temp\4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Users\Admin\AppData\Local\Temp\4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4.exe
  "C:\Users\Admin\AppData\Local\Temp\4fd534fc4ff332320aeeae50a51ff2073006d66a04ea8f01f30059d18c61fcf4.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1704

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/1704-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1704-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1704-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1704-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1704-61-0x0000000076711000-0x0000000076713000-memory.dmp

Filesize
8KB

Download
memory/1704-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1704-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1704-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads