c72eabfc79645229559cb7f7e775fa35a81440a2ad6e4e290c6fef8eead69a0c

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 15:59

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General

Target

HSgsFS8.scr
Size

154KB
MD5

99e18204e672c7a0935c212ed5acc0c9
SHA1

5672c6f3a599d93fb0ac3b52e71c25c2fb8ad78c
SHA256

02695ef8781669fda33c683da4e1bb4c8081c6c4b11c3d1d381becc97b15ab59
SHA512

e44b8f183d299d8bac1f856782bc360f016677cf7510e099569715288c4c2cb7313b19233056981f4252bf99b8a20c4d184e6e922f340437fb34c1bf55b3f66e
SSDEEP

3072:gLsIxECLfTmcBWY1Q1Kj3YgRIHwiiI4T6dvf72mQAK0DuCEG8tSUT:ggK9x1EKLgdipTyvfXKFG8

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2280-0-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral2/memory/2280-2-0x0000000000400000-0x0000000000469000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HSgsFS8.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 3 IoCs

evasion

pid	Process
2272	taskkill.exe
4788	taskkill.exe
4240	taskkill.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4788	taskkill.exe
Token: SeDebugPrivilege	4240	taskkill.exe
Token: SeDebugPrivilege	2272	taskkill.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 4736	2280	HSgsFS8.scr	82
PID 2280 wrote to memory of 4736	2280	HSgsFS8.scr	82
PID 2280 wrote to memory of 4736	2280	HSgsFS8.scr	82
PID 2280 wrote to memory of 3244	2280	HSgsFS8.scr	83
PID 2280 wrote to memory of 3244	2280	HSgsFS8.scr	83
PID 2280 wrote to memory of 3244	2280	HSgsFS8.scr	83
PID 2280 wrote to memory of 920	2280	HSgsFS8.scr	84
PID 2280 wrote to memory of 920	2280	HSgsFS8.scr	84
PID 2280 wrote to memory of 920	2280	HSgsFS8.scr	84
PID 3244 wrote to memory of 4788	3244	cmd.exe	88
PID 3244 wrote to memory of 4788	3244	cmd.exe	88
PID 3244 wrote to memory of 4788	3244	cmd.exe	88
PID 4736 wrote to memory of 2272	4736	cmd.exe	89
PID 4736 wrote to memory of 2272	4736	cmd.exe	89
PID 4736 wrote to memory of 2272	4736	cmd.exe	89
PID 920 wrote to memory of 4240	920	cmd.exe	90
PID 920 wrote to memory of 4240	920	cmd.exe	90
PID 920 wrote to memory of 4240	920	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\HSgsFS8.scr
"C:\Users\Admin\AppData\Local\Temp\HSgsFS8.scr" /S
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\SysWOW64\cmd.exe
  cmd /ktaskkill/IM iexplore.exe /F
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4736
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /IM iexplore.exe /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2272
- C:\Windows\SysWOW64\cmd.exe
  cmd /ktaskkill/IM iexplore.exe /F
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3244
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /IM iexplore.exe /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4788
- C:\Windows\SysWOW64\cmd.exe
  cmd /ktaskkill/IM firefox.exe /F
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:920
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /IM firefox.exe /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4240

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2280-0-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2280-1-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download
memory/2280-2-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download