83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615

Analysis

max time kernel
15s
max time network
61s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 11:10

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General

Target

83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615.exe
Size

935KB
MD5

ecb9efc8a754d549513a83c61d291f83
SHA1

e865a72a0e713dfed2c854c9b730aba227694c36
SHA256

83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615
SHA512

882761e01a22e6987301205f953b38dd3dfa335b21c8cec694f58722e9944d4fc091ce0d5d76827b364093803afc2fd0594218b2180b64f7cadad0fec86dacfc
SSDEEP

12288:p5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4P:pyHv5Z+Wzv7AiBll0OBWi6si9Gy

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/1552-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1552-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1552-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1552-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1552-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1552-64-0x0000000000400000-0x00000000004F2000-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	83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615.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	83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1716 set thread context of 1552	1716	83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1552	83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 1552	1716	83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615.exe	29
PID 1716 wrote to memory of 1552	1716	83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615.exe	29
PID 1716 wrote to memory of 1552	1716	83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615.exe	29
PID 1716 wrote to memory of 1552	1716	83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615.exe	29
PID 1716 wrote to memory of 1552	1716	83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615.exe	29
PID 1716 wrote to memory of 1552	1716	83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615.exe	29
PID 1716 wrote to memory of 1552	1716	83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615.exe	29
PID 1716 wrote to memory of 1552	1716	83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615.exe	29

C:\Users\Admin\AppData\Local\Temp\83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615.exe
"C:\Users\Admin\AppData\Local\Temp\83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Users\Admin\AppData\Local\Temp\83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615.exe
  "C:\Users\Admin\AppData\Local\Temp\83b18af7b09193ff960724f3e331c2b7a803c4ce6bb0d03d8f147466fb375615.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1552

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/1552-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1552-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1552-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1552-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1552-61-0x0000000076041000-0x0000000076043000-memory.dmp

Filesize
8KB

Download
memory/1552-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1552-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1552-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads