59cc092ee0e5bc7609ddacd4d909da8d561a77bd83558e16ceac5f4f2a42a023

General

Target

AnyDesk.exe
Size

1.3MB
MD5

18062fa3141cf334f53257c5c55909ce
SHA1

120a39b7288edc175d8f70e1d7ce8b380e8c8eae
SHA256

59cc092ee0e5bc7609ddacd4d909da8d561a77bd83558e16ceac5f4f2a42a023
SHA512

3f3a438afa7171d802a62fb4ac9366e12e5472ad7d42d933fb6f8fe5cd8e3bfa6bc73ffc2dd463c519a663f106df58c31d5ca1b9eaf99d8ce32f979484e2b944
SSDEEP

24576:HUT4A/d6wF5q6Yh2JoaCmWJZopqgHCh8jpU/3ftY6v/87xaVUhf4pE0NwIFm:0MA16wFdjC7JZop5ih8juPftY6WhfD0w

Score

8^/10

defense_evasion execution persistence

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4180	powershell.exe
3736	powershell.exe
3328	powershell.exe
1320	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 1 IoCs

description	ioc	Process
File created	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
3872	sc.exe
3580	sc.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4180	powershell.exe
3736	powershell.exe
4180	powershell.exe
3328	powershell.exe
1320	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4180	powershell.exe
Token: SeDebugPrivilege	3736	powershell.exe
Token: SeDebugPrivilege	3328	powershell.exe
Token: SeDebugPrivilege	1320	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 4180	2136	AnyDesk.exe	84
PID 2136 wrote to memory of 4180	2136	AnyDesk.exe	84
PID 2136 wrote to memory of 3872	2136	AnyDesk.exe	85
PID 2136 wrote to memory of 3872	2136	AnyDesk.exe	85
PID 2136 wrote to memory of 3736	2136	AnyDesk.exe	86
PID 2136 wrote to memory of 3736	2136	AnyDesk.exe	86
PID 2136 wrote to memory of 3328	2136	AnyDesk.exe	87
PID 2136 wrote to memory of 3328	2136	AnyDesk.exe	87
PID 2136 wrote to memory of 1320	2136	AnyDesk.exe	88
PID 2136 wrote to memory of 1320	2136	AnyDesk.exe	88
PID 2136 wrote to memory of 3580	2136	AnyDesk.exe	89
PID 2136 wrote to memory of 3580	2136	AnyDesk.exe	89

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:2136
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" "-WindowStyle Hidden -ExecutionPolicy Bypass -File \"C:\Windows\WindowsUpdate\589490\st.ps1\""
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4180
- C:\Windows\system32\sc.exe
  "sc" create WsHosts "binPath= \"C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe\"" "start= auto"
  2⤵
  - Launches sc.exe
  PID:3872
- 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:3736
- 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:3328
- 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:1320
- C:\Windows\system32\sc.exe
  "sc" delete WsHosts
  2⤵
  - Launches sc.exe
  PID:3580

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
a94e0a262fe8ab5c0ec0872d36fcbd48

SHA1
877a5ed6269746fe8827f715ef95136ea81c5374

SHA256
4e689eb0bbeab4759a79c590a4d06d520a12974cf6cb79753832a5582a1ff0c9

SHA512
92a1ebcb2e4e4279e6cb0ff9407ba363ecb27c47b8cd4441655d9ecf811b990d066856f4738f23f8d9b12d1f3d0de75ef6a101fed056f5392e7140111550ca54

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

Filesize
944B

MD5
bd801a419be0770ce8ce40db8a9d3746

SHA1
ec62e6eb92e9843876443c95a9f38be828f7af73

SHA256
7d9cedb0936bc4668788229b84f399a69cd5060964dfbc4ff471d9d9b4ae48ad

SHA512
d805e6b1a570aeb1a6e04710fc03e01bdb23ce1cb880ae6117784d393b5dd1fc300db79c3580539ed87a1ec192731b3ba34274fbe61c53d3aa6b90ce10b0ba54

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_zkuxtaxx.bkp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2136-69-0x00007FF6F6E20000-0x00007FF6F6F16000-memory.dmp

Filesize
984KB

Download
memory/2136-65-0x00007FF6F6E20000-0x00007FF6F6F16000-memory.dmp

Filesize
984KB

Download
memory/3736-70-0x00007FF905D70000-0x00007FF906832000-memory.dmp

Filesize
10.8MB

Download
memory/3736-32-0x00007FF905D70000-0x00007FF906832000-memory.dmp

Filesize
10.8MB

Download
memory/4180-26-0x00007FF905D70000-0x00007FF906832000-memory.dmp

Filesize
10.8MB

Download
memory/4180-34-0x00007FF905D70000-0x00007FF906832000-memory.dmp

Filesize
10.8MB

Download
memory/4180-38-0x00007FF905D70000-0x00007FF906832000-memory.dmp

Filesize
10.8MB

Download
memory/4180-33-0x00007FF905D70000-0x00007FF906832000-memory.dmp

Filesize
10.8MB

Download
memory/4180-27-0x00007FF905D70000-0x00007FF906832000-memory.dmp

Filesize
10.8MB

Download
memory/4180-5-0x00007FF905D73000-0x00007FF905D75000-memory.dmp

Filesize
8KB

Download
memory/4180-8-0x0000025463F70000-0x0000025463F92000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads