56f285a53d29f7f9db72780ceaf8a053dda0d9f6a8410bc4ab493b830a965e9f

Analysis

max time kernel
119s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 10:29

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General

Target

56f285a53d29f7f9db72780ceaf8a053dda0d9f6a8410bc4ab493b830a965e9f.exe
Size

164KB
MD5

1ebb888eb774b33e4f91d7dad2c00737
SHA1

f272c1a38563aa52d40dad5234ec3a5284768e26
SHA256

56f285a53d29f7f9db72780ceaf8a053dda0d9f6a8410bc4ab493b830a965e9f
SHA512

beb867449918c2ace20abf0b92654c6eee5bca74dc4af8053cb31f838775e96350e40c4a6ea7067d24c4f53b5b767d6e343623ef8faa37847165c82a00cff1c6
SSDEEP

3072:8w11/wTvYZDDNF90qhRb70L8czxE2YY6q9bLzl6fHMEBuo3:8wZD9b70wczSTYh9bAlD3

Score

7^/10

discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	56f285a53d29f7f9db72780ceaf8a053dda0d9f6a8410bc4ab493b830a965e9f.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StartupHelper.exe	StartupHelper.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StartupHelper.exe	StartupHelper.exe

Executes dropped EXE 3 IoCs

pid	Process
1996	StartupHelper.exe
396	StartupHelper.exe
1980	StartupHelper.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StartupHelper.exe = "\"C:\\Windows\\StartupHelper.exe\" .."	StartupHelper.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\StartupHelper.exe = "\"C:\\Windows\\StartupHelper.exe\" .."	StartupHelper.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\StartupHelper.exe	56f285a53d29f7f9db72780ceaf8a053dda0d9f6a8410bc4ab493b830a965e9f.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 12 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	StartupHelper.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	StartupHelper.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	StartupHelper.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	56f285a53d29f7f9db72780ceaf8a053dda0d9f6a8410bc4ab493b830a965e9f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
368	schtasks.exe
1948	schtasks.exe
2576	schtasks.exe
788	schtasks.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	1996	StartupHelper.exe
Token: 33	1996	StartupHelper.exe
Token: SeIncBasePriorityPrivilege	1996	StartupHelper.exe
Token: 33	1996	StartupHelper.exe
Token: SeIncBasePriorityPrivilege	1996	StartupHelper.exe
Token: 33	1996	StartupHelper.exe
Token: SeIncBasePriorityPrivilege	1996	StartupHelper.exe
Token: 33	1996	StartupHelper.exe
Token: SeIncBasePriorityPrivilege	1996	StartupHelper.exe
Token: 33	1996	StartupHelper.exe
Token: SeIncBasePriorityPrivilege	1996	StartupHelper.exe
Token: 33	1996	StartupHelper.exe
Token: SeIncBasePriorityPrivilege	1996	StartupHelper.exe
Token: 33	1996	StartupHelper.exe
Token: SeIncBasePriorityPrivilege	1996	StartupHelper.exe
Token: 33	1996	StartupHelper.exe
Token: SeIncBasePriorityPrivilege	1996	StartupHelper.exe
Token: 33	1996	StartupHelper.exe
Token: SeIncBasePriorityPrivilege	1996	StartupHelper.exe
Token: 33	1996	StartupHelper.exe
Token: SeIncBasePriorityPrivilege	1996	StartupHelper.exe
Token: 33	1996	StartupHelper.exe
Token: SeIncBasePriorityPrivilege	1996	StartupHelper.exe
Token: 33	1996	StartupHelper.exe
Token: SeIncBasePriorityPrivilege	1996	StartupHelper.exe
Token: 33	1996	StartupHelper.exe
Token: SeIncBasePriorityPrivilege	1996	StartupHelper.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 4408 wrote to memory of 3544	4408	56f285a53d29f7f9db72780ceaf8a053dda0d9f6a8410bc4ab493b830a965e9f.exe	83
PID 4408 wrote to memory of 3544	4408	56f285a53d29f7f9db72780ceaf8a053dda0d9f6a8410bc4ab493b830a965e9f.exe	83
PID 4408 wrote to memory of 3544	4408	56f285a53d29f7f9db72780ceaf8a053dda0d9f6a8410bc4ab493b830a965e9f.exe	83
PID 4408 wrote to memory of 368	4408	56f285a53d29f7f9db72780ceaf8a053dda0d9f6a8410bc4ab493b830a965e9f.exe	85
PID 4408 wrote to memory of 368	4408	56f285a53d29f7f9db72780ceaf8a053dda0d9f6a8410bc4ab493b830a965e9f.exe	85
PID 4408 wrote to memory of 368	4408	56f285a53d29f7f9db72780ceaf8a053dda0d9f6a8410bc4ab493b830a965e9f.exe	85
PID 4408 wrote to memory of 1996	4408	56f285a53d29f7f9db72780ceaf8a053dda0d9f6a8410bc4ab493b830a965e9f.exe	87
PID 4408 wrote to memory of 1996	4408	56f285a53d29f7f9db72780ceaf8a053dda0d9f6a8410bc4ab493b830a965e9f.exe	87
PID 4408 wrote to memory of 1996	4408	56f285a53d29f7f9db72780ceaf8a053dda0d9f6a8410bc4ab493b830a965e9f.exe	87
PID 1996 wrote to memory of 1544	1996	StartupHelper.exe	88
PID 1996 wrote to memory of 1544	1996	StartupHelper.exe	88
PID 1996 wrote to memory of 1544	1996	StartupHelper.exe	88
PID 1996 wrote to memory of 1948	1996	StartupHelper.exe	90
PID 1996 wrote to memory of 1948	1996	StartupHelper.exe	90
PID 1996 wrote to memory of 1948	1996	StartupHelper.exe	90
PID 396 wrote to memory of 4444	396	StartupHelper.exe	102
PID 396 wrote to memory of 4444	396	StartupHelper.exe	102
PID 396 wrote to memory of 4444	396	StartupHelper.exe	102
PID 396 wrote to memory of 2576	396	StartupHelper.exe	104
PID 396 wrote to memory of 2576	396	StartupHelper.exe	104
PID 396 wrote to memory of 2576	396	StartupHelper.exe	104
PID 1980 wrote to memory of 2928	1980	StartupHelper.exe	107
PID 1980 wrote to memory of 2928	1980	StartupHelper.exe	107
PID 1980 wrote to memory of 2928	1980	StartupHelper.exe	107
PID 1980 wrote to memory of 788	1980	StartupHelper.exe	109
PID 1980 wrote to memory of 788	1980	StartupHelper.exe	109
PID 1980 wrote to memory of 788	1980	StartupHelper.exe	109

C:\Users\Admin\AppData\Local\Temp\56f285a53d29f7f9db72780ceaf8a053dda0d9f6a8410bc4ab493b830a965e9f.exe
"C:\Users\Admin\AppData\Local\Temp\56f285a53d29f7f9db72780ceaf8a053dda0d9f6a8410bc4ab493b830a965e9f.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4408
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /Delete /tn NYAN /F
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3544
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\56f285a53d29f7f9db72780ceaf8a053dda0d9f6a8410bc4ab493b830a965e9f.exe" /sc minute /mo 1
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:368
- C:\Windows\StartupHelper.exe
  "C:\Windows\StartupHelper.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1996
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Delete /tn NYAN /F
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1544
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /tn NYAN /tr "C:\Windows\StartupHelper.exe" /sc minute /mo 1
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1948

C:\Windows\StartupHelper.exe
C:\Windows\StartupHelper.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:396
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /Delete /tn NYAN /F
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4444
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /tn NYAN /tr "C:\Windows\StartupHelper.exe" /sc minute /mo 1
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2576

C:\Windows\StartupHelper.exe
C:\Windows\StartupHelper.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /Delete /tn NYAN /F
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2928
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /tn NYAN /tr "C:\Windows\StartupHelper.exe" /sc minute /mo 1
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\StartupHelper.exe.log

Filesize
408B

MD5
40b0c3caa1b14a4c83e8475c46bf2016

SHA1
af9575cda4d842f028d18b17063796a894ecd9d0

SHA256
70e88a428d92b6ab5905dac9f324824c4c6f120bc3f385c82b2d12f707a4a867

SHA512
916437df737de4b6063b7116b4d148229d4a975eb4046122d47434b81fba06e88e09e5f273ec496c81ef3feecb843ccad20a7a04074224416c1fa9951acbdac7

Download Submit
C:\Windows\StartupHelper.exe

Filesize
164KB

MD5
1ebb888eb774b33e4f91d7dad2c00737

SHA1
f272c1a38563aa52d40dad5234ec3a5284768e26

SHA256
56f285a53d29f7f9db72780ceaf8a053dda0d9f6a8410bc4ab493b830a965e9f

SHA512
beb867449918c2ace20abf0b92654c6eee5bca74dc4af8053cb31f838775e96350e40c4a6ea7067d24c4f53b5b767d6e343623ef8faa37847165c82a00cff1c6

Download Submit
memory/1996-12-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/1996-14-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/1996-15-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/1996-17-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/1996-18-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/1996-19-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/4408-0-0x0000000075352000-0x0000000075353000-memory.dmp

Filesize
4KB

Download
memory/4408-1-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/4408-2-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/4408-13-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads