fc77e5bdbc74120a3003bac0021871ccf74a182ce068aece06a7acf00363810c

General

Target

InstalIеr-x86/TTDesktop18.exe
Size

26.0MB
MD5

13eb2bb3303156d695ecf3f2b2c09eb7
SHA1

db1f2877681d02201c6c9d71d8c52a872c3612b9
SHA256

8680e9ff0246c2b7cd4a45a9c6262851ce8d12e4638e48cb1baec267c2b6ea6b
SHA512

6f44a7f1612f0eb4843c1e0de757a03f53d2b14e7aa8b7f983c2ca9baf0701d30f129edeab9c889655840782a1289fb4d0bf0699223e3c584afdaa4ee5172172
SSDEEP

192:0qgaiJUFTQcHVPtAXjJ9vT2O3yP8B50LOZdBcmCEJXVWwTnkVOvQu:57zFEcH769vT2OCkB50LknnVTnkVUQ

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1444	powershell.exe
2824	powershell.exe
2884	powershell.exe
1632	powershell.exe
2668	powershell.exe
1520	powershell.exe

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TTDesktop18.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1444	powershell.exe
2824	powershell.exe
2884	powershell.exe
1632	powershell.exe
2668	powershell.exe
1520	powershell.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	1444	powershell.exe
Token: SeDebugPrivilege	2824	powershell.exe
Token: SeDebugPrivilege	2884	powershell.exe
Token: SeDebugPrivilege	1632	powershell.exe
Token: SeDebugPrivilege	2668	powershell.exe
Token: SeDebugPrivilege	1520	powershell.exe
Token: SeDebugPrivilege	1868	TTDesktop18.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 1444	1868	TTDesktop18.exe	31
PID 1868 wrote to memory of 1444	1868	TTDesktop18.exe	31
PID 1868 wrote to memory of 1444	1868	TTDesktop18.exe	31
PID 1868 wrote to memory of 1444	1868	TTDesktop18.exe	31
PID 1444 wrote to memory of 2824	1444	powershell.exe	33
PID 1444 wrote to memory of 2824	1444	powershell.exe	33
PID 1444 wrote to memory of 2824	1444	powershell.exe	33
PID 1444 wrote to memory of 2824	1444	powershell.exe	33
PID 1868 wrote to memory of 2884	1868	TTDesktop18.exe	34
PID 1868 wrote to memory of 2884	1868	TTDesktop18.exe	34
PID 1868 wrote to memory of 2884	1868	TTDesktop18.exe	34
PID 1868 wrote to memory of 2884	1868	TTDesktop18.exe	34
PID 2884 wrote to memory of 1632	2884	powershell.exe	36
PID 2884 wrote to memory of 1632	2884	powershell.exe	36
PID 2884 wrote to memory of 1632	2884	powershell.exe	36
PID 2884 wrote to memory of 1632	2884	powershell.exe	36
PID 1868 wrote to memory of 2668	1868	TTDesktop18.exe	38
PID 1868 wrote to memory of 2668	1868	TTDesktop18.exe	38
PID 1868 wrote to memory of 2668	1868	TTDesktop18.exe	38
PID 1868 wrote to memory of 2668	1868	TTDesktop18.exe	38
PID 2668 wrote to memory of 1520	2668	powershell.exe	40
PID 2668 wrote to memory of 1520	2668	powershell.exe	40
PID 2668 wrote to memory of 1520	2668	powershell.exe	40
PID 2668 wrote to memory of 1520	2668	powershell.exe	40

C:\Users\Admin\AppData\Local\Temp\InstalIеr-x86\TTDesktop18.exe
"C:\Users\Admin\AppData\Local\Temp\InstalIеr-x86\TTDesktop18.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" powershell -Command "Add-MpPreference -ExclusionPath 'C:\mRGdvfUTz'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1444
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\mRGdvfUTz
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2824
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2884
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\Users
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1632
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" powershell -Command "Add-MpPreference -ExclusionPath 'C:\Windows'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2668
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\Windows
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
8a7a22909e35333b6f40c5ff7777ac2c

SHA1
b6da3f186b561ff2893fdb737124754da447f5f1

SHA256
d2f861c552b4b9b7fcf27e0bbb8dc1e1bf0b82057806727d13620369f8a42691

SHA512
2f02dbe94fcae1eb9f3510b52c028382b154a9294438058393eba1484814172dd667df064bf2aa32aa6790f8b53a3c974c8ce19b0f3de870d8c540f7979d3bb5

Download Submit
memory/1444-4-0x0000000070A21000-0x0000000070A22000-memory.dmp

Filesize
4KB

Download
memory/1444-5-0x0000000070A20000-0x0000000070FCB000-memory.dmp

Filesize
5.7MB

Download
memory/1444-8-0x0000000070A20000-0x0000000070FCB000-memory.dmp

Filesize
5.7MB

Download
memory/1444-7-0x0000000070A20000-0x0000000070FCB000-memory.dmp

Filesize
5.7MB

Download
memory/1444-6-0x0000000070A20000-0x0000000070FCB000-memory.dmp

Filesize
5.7MB

Download
memory/1444-14-0x0000000070A20000-0x0000000070FCB000-memory.dmp

Filesize
5.7MB

Download
memory/1868-0-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/1868-1-0x0000000000D60000-0x0000000000D6A000-memory.dmp

Filesize
40KB

Download
memory/1868-37-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/1868-38-0x00000000048A0000-0x00000000048E0000-memory.dmp

Filesize
256KB

Download

Analysis

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