9212b9da835c827cda2d8e3446875fafd299efe57f8f2c1f2cd8b2bb7b5030e6

General

Target

AnyDesk.exe
Size

1.3MB
MD5

7cd9ef6b455df1788cf7f1ce5a702882
SHA1

f9b533472175b45cb705300cda17376b1d55c9cb
SHA256

9212b9da835c827cda2d8e3446875fafd299efe57f8f2c1f2cd8b2bb7b5030e6
SHA512

b45c2f50ad0bc4f466c206bba1776a81bd8875722d8df1ba986a4fcea4570aa8a0e7d838f13712b8e994ed1ecd2f863e0a07744e5223d7192e5663e695dfd6d7
SSDEEP

24576:FfT4A/dDwF768ZmUoAi312vs/V73a6H8Dq/N5tY6v/87xaVUhf4pE07wI1m:xMA1DwFoN3wvs/1K6H8DqztY6WhfD07q

Score

8^/10

defense_evasion execution persistence

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
100	powershell.exe
3164	powershell.exe
2740	powershell.exe
4696	powershell.exe
3484	powershell.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	AnyDesk.exe

Stops running service(s) 4 TTPs
defense_evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WsHosts = "C:\\Windows\\WindowsUpdate\\wshosts.exe"	AnyDesk.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\WindowsUpdate\wshosts.exe	AnyDesk.exe
File opened for modification	C:\Windows\WindowsUpdate\wshosts.exe	AnyDesk.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4764	sc.exe
316	sc.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3484	powershell.exe
3484	powershell.exe
100	powershell.exe
3164	powershell.exe
2740	powershell.exe
4696	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	3484	powershell.exe
Token: SeDebugPrivilege	100	powershell.exe
Token: SeDebugPrivilege	3164	powershell.exe
Token: SeDebugPrivilege	2740	powershell.exe
Token: SeDebugPrivilege	4696	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4732 wrote to memory of 3484	4732	AnyDesk.exe	87
PID 4732 wrote to memory of 3484	4732	AnyDesk.exe	87
PID 4732 wrote to memory of 4764	4732	AnyDesk.exe	88
PID 4732 wrote to memory of 4764	4732	AnyDesk.exe	88
PID 4732 wrote to memory of 100	4732	AnyDesk.exe	89
PID 4732 wrote to memory of 100	4732	AnyDesk.exe	89
PID 4732 wrote to memory of 3164	4732	AnyDesk.exe	90
PID 4732 wrote to memory of 3164	4732	AnyDesk.exe	90
PID 4732 wrote to memory of 2740	4732	AnyDesk.exe	91
PID 4732 wrote to memory of 2740	4732	AnyDesk.exe	91
PID 4732 wrote to memory of 4696	4732	AnyDesk.exe	92
PID 4732 wrote to memory of 4696	4732	AnyDesk.exe	92
PID 4732 wrote to memory of 316	4732	AnyDesk.exe	93
PID 4732 wrote to memory of 316	4732	AnyDesk.exe	93

C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe
"C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe"
1⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4732
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" "-WindowStyle Hidden -ExecutionPolicy Bypass -File \"C:\Windows\WindowsUpdate\306285\st.ps1\""
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3484
- C:\Windows\system32\sc.exe
  "sc" create WsHosts "binPath= \"C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe\"" "start= auto"
  2⤵
  - Launches sc.exe
  PID:4764
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\temp.ps1"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:100
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -ExecutionPolicy Bypass -File C:\Windows\System32\svhosts.ps1
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3164
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -ExecutionPolicy Bypass -File C:\Windows\System32\WindowsUpdate.ps1
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2740
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -ExecutionPolicy Bypass -File C:\Windows\System32\wins32bugfix.ps1
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4696
- C:\Windows\system32\sc.exe
  "sc" delete WsHosts
  2⤵
  - Launches sc.exe
  PID:316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

System Services

2

T1569

Service Execution

2

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Impair Defenses

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1

T1489

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
1KB

MD5
25d7ac29d798600ddc5fd880b162958b

SHA1
a2ba91e14155cfa5c26670e17ac606f3f28b0be2

SHA256
3c6d5ecae46dd9f6756e444bc51635cdd9696f3ed9fe0601cf41059a04085f88

SHA512
d91a9028c0fdf3761edbccddaa460573281b7d390efc7dfe3ebef46ce5ede53d36a7148c523e312b5daedc91c11cdb2cc8d0f8b475339cd35dba044595778d45

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
1f8b23cd03fdfb5d4559ac10c445b89f

SHA1
cea378877687b1967095d5237e3c0111929f012d

SHA256
f1bb0869c1d26c4282aa06a4840a9ca86e9145c136af42bb85b6d2e77e684551

SHA512
3ffe559e174f4706d3e7681f0d88d53dfde5eef56ee5005ccf7b3036a5d6ba85e02fa4d0cb213d237afcb894d79fbe673b18f986f57db2904558f447e42fe550

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
64B

MD5
446dd1cf97eaba21cf14d03aebc79f27

SHA1
36e4cc7367e0c7b40f4a8ace272941ea46373799

SHA256
a7de5177c68a64bd48b36d49e2853799f4ebcfa8e4761f7cc472f333dc5f65cf

SHA512
a6d754709f30b122112ae30e5ab22486393c5021d33da4d1304c061863d2e1e79e8aeb029cae61261bb77d0e7becd53a7b0106d6ea4368b4c302464e3d941cf7

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3nbeg53b.aod.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/100-26-0x00007FFCACE20000-0x00007FFCAD8E1000-memory.dmp

Filesize
10.8MB

Download
memory/100-32-0x00007FFCACE20000-0x00007FFCAD8E1000-memory.dmp

Filesize
10.8MB

Download
memory/3484-18-0x00007FFCACE20000-0x00007FFCAD8E1000-memory.dmp

Filesize
10.8MB

Download
memory/3484-24-0x00007FFCACE20000-0x00007FFCAD8E1000-memory.dmp

Filesize
10.8MB

Download
memory/3484-38-0x00007FFCACE20000-0x00007FFCAD8E1000-memory.dmp

Filesize
10.8MB

Download
memory/3484-7-0x00007FFCACE23000-0x00007FFCACE25000-memory.dmp

Filesize
8KB

Download
memory/3484-17-0x00000224797C0000-0x00000224797E2000-memory.dmp

Filesize
136KB

Download
memory/4732-83-0x00007FF741B70000-0x00007FF741C66000-memory.dmp

Filesize
984KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads