855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e

Analysis

max time kernel
90s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 11:05

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe
Size

935KB
MD5

8687d61658a62404806802742efd7965
SHA1

abf04c2c943d0fd3763ecb2ba6278cf2f29d1bff
SHA256

855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e
SHA512

ce0f3a97f07b40ba34a288a80f82651fe91a6d0aae8792e08a3d4cc749f1689937795e463ec8f64e393ab6e223020fc68a85c101df4ca365f7f1130c77762b5b
SSDEEP

12288:p5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4:pyHv5Z+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/5028-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/5028-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/5028-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/5028-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/5028-138-0x0000000000400000-0x00000000004F2000-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	855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.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	855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 388 set thread context of 5028	388	855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe	80

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5028	855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe
5028	855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe
5028	855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe
5028	855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe
5028	855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe
5028	855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 5028	388	855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe	80
PID 388 wrote to memory of 5028	388	855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe	80
PID 388 wrote to memory of 5028	388	855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe	80
PID 388 wrote to memory of 5028	388	855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe	80
PID 388 wrote to memory of 5028	388	855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe	80
PID 388 wrote to memory of 5028	388	855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe	80
PID 388 wrote to memory of 5028	388	855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe	80
PID 388 wrote to memory of 5028	388	855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe	80

C:\Users\Admin\AppData\Local\Temp\855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe
"C:\Users\Admin\AppData\Local\Temp\855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:388
- C:\Users\Admin\AppData\Local\Temp\855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe
  "C:\Users\Admin\AppData\Local\Temp\855ac0e097c91503bc50a8ac89a2706b5c229b293e95017dc8c671ab0f1f869e.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:5028

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/5028-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/5028-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/5028-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/5028-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/5028-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads