a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f

Analysis

max time kernel
136s
max time network
156s
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, 09:33

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General

Target

a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe
Size

935KB
MD5

d0a103ffdf66d9e9784eb08c8bd87b96
SHA1

90da7f9a6537bc7d00c05eccecbb439ae9b01977
SHA256

a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f
SHA512

44887ec48d3215153e33d897e31b6bca502cfc81678661f17c0d78559bdd120d4a30c05fe0e70efee4c350e17c1a63dc1d011d5e9b9b2bf15752762b6456ef12
SSDEEP

12288:o5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4D:oyHv5Z+Wzv7AiBll0OBWi6si9GW

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
behavioral2/memory/2116-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2116-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2116-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2116-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2116-138-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2116-139-0x0000000000400000-0x00000000004F2000-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	a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4736 set thread context of 2116	4736	a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe	79

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2116	a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe
2116	a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe
2116	a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe
2116	a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe
2116	a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe
2116	a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4736 wrote to memory of 2116	4736	a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe	79
PID 4736 wrote to memory of 2116	4736	a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe	79
PID 4736 wrote to memory of 2116	4736	a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe	79
PID 4736 wrote to memory of 2116	4736	a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe	79
PID 4736 wrote to memory of 2116	4736	a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe	79
PID 4736 wrote to memory of 2116	4736	a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe	79
PID 4736 wrote to memory of 2116	4736	a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe	79
PID 4736 wrote to memory of 2116	4736	a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe	79

C:\Users\Admin\AppData\Local\Temp\a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe
"C:\Users\Admin\AppData\Local\Temp\a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4736
- C:\Users\Admin\AppData\Local\Temp\a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe
  "C:\Users\Admin\AppData\Local\Temp\a8cd804d0c56bfc6253b457f8db32ec2f2ff851a6813abc4c98f9f925af28e8f.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2116

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/2116-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2116-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2116-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2116-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2116-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2116-139-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads