ab6108a295f7953fa17156929cb5cfd446d0f781e3d12ac9c4ea3a2f47c24f81

Analysis

max time kernel
282s
max time network
295s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
13/08/2024, 16:41

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General

Target
Silver-Rat-Cracked-main/Fixer.exe
Size 45KB
Sample240813-t7lt5azarm
SHA256 1ef7600f30720e62238a269cb6a8dafe430deb6b79d277b6fe93057a2f6a9d38
MD5 c831d425ab837bd386162dc7cf7a21a8
SHA1 e89dda1a4f8460cb1a0b195dafa6ebfc9aa66821
SHA512 5823dc5bbd87d4bcd95a1b5815b0e39456ee585a906caae540a62d7a1b4d278c8cb2480f2b6f5bf060e93dbe2f965411e70175e29a2c727faaed1315a4b8ed48
SSDEEP 768:00dY/0/zmX2Z7QrgpzRULQeo9hsVz1QB6SPIK6Nrvrc/ME:0sM0ZnpzGs59m1QoO6NrA/ME
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

evasion execution persistence

Malware Config

Signatures

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
3040	attrib.exe
1360	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
1624	$77lololololololop.exe

Loads dropped DLL 1 IoCs

pid	Process
1516	cmd.exe

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\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\hgfdfd\\$77lololololololop.exe\""	Fixer.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
856	powershell.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
4	discord.com
5	discord.com

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1016	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2488	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2692	Fixer.exe
2692	Fixer.exe
2692	Fixer.exe
856	powershell.exe
1624	$77lololololololop.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeBackupPrivilege	2084	vssvc.exe
Token: SeRestorePrivilege	2084	vssvc.exe
Token: SeAuditPrivilege	2084	vssvc.exe
Token: SeDebugPrivilege	2692	Fixer.exe
Token: SeDebugPrivilege	1624	$77lololololololop.exe
Token: SeDebugPrivilege	856	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1624	$77lololololololop.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 3040	2692	Fixer.exe	35
PID 2692 wrote to memory of 3040	2692	Fixer.exe	35
PID 2692 wrote to memory of 3040	2692	Fixer.exe	35
PID 2692 wrote to memory of 1360	2692	Fixer.exe	37
PID 2692 wrote to memory of 1360	2692	Fixer.exe	37
PID 2692 wrote to memory of 1360	2692	Fixer.exe	37
PID 2692 wrote to memory of 1516	2692	Fixer.exe	39
PID 2692 wrote to memory of 1516	2692	Fixer.exe	39
PID 2692 wrote to memory of 1516	2692	Fixer.exe	39
PID 1516 wrote to memory of 1016	1516	cmd.exe	41
PID 1516 wrote to memory of 1016	1516	cmd.exe	41
PID 1516 wrote to memory of 1016	1516	cmd.exe	41
PID 1516 wrote to memory of 1624	1516	cmd.exe	42
PID 1516 wrote to memory of 1624	1516	cmd.exe	42
PID 1516 wrote to memory of 1624	1516	cmd.exe	42
PID 1624 wrote to memory of 2440	1624	$77lololololololop.exe	44
PID 1624 wrote to memory of 2440	1624	$77lololololololop.exe	44
PID 1624 wrote to memory of 2440	1624	$77lololololololop.exe	44
PID 1624 wrote to memory of 2488	1624	$77lololololololop.exe	46
PID 1624 wrote to memory of 2488	1624	$77lololololololop.exe	46
PID 1624 wrote to memory of 2488	1624	$77lololololololop.exe	46
PID 1624 wrote to memory of 2192	1624	$77lololololololop.exe	48
PID 1624 wrote to memory of 2192	1624	$77lololololololop.exe	48
PID 1624 wrote to memory of 2192	1624	$77lololololololop.exe	48
PID 1624 wrote to memory of 856	1624	$77lololololololop.exe	50
PID 1624 wrote to memory of 856	1624	$77lololololololop.exe	50
PID 1624 wrote to memory of 856	1624	$77lololololololop.exe	50

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3040	attrib.exe
1360	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Silver-Rat-Cracked-main\Fixer.exe
"C:\Users\Admin\AppData\Local\Temp\Silver-Rat-Cracked-main\Fixer.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\System32\attrib.exe
  "C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\hgfdfd"
  2⤵
  - Sets file to hidden
  - Views/modifies file attributes
  PID:3040
- C:\Windows\System32\attrib.exe
  "C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\hgfdfd\$77lololololololop.exe"
  2⤵
  - Sets file to hidden
  - Views/modifies file attributes
  PID:1360
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp1F34.tmp.bat""
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1516
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:1016
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\hgfdfd\$77lololololololop.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\hgfdfd\$77lololololololop.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1624
  - - C:\Windows\system32\schtasks.exe
      "schtasks.exe" /query /TN $77lololololololop.exe
      4⤵
      PID:2440
  - - C:\Windows\system32\schtasks.exe
      "schtasks.exe" /Create /SC ONCE /TN "$77lololololololop.exe" /TR "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\hgfdfd\$77lololololololop.exe \"\$77lololololololop.exe\" /AsAdmin" /ST 00:01 /IT /F /RL HIGHEST
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:2488
  - - C:\Windows\system32\schtasks.exe
      "schtasks.exe" /query /TN $77lololololololop.exe
      4⤵
      PID:2192
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionExtension exe,bat,dll,ps1;exit
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:856

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

Cab362F.tmp

Path C:\Users\Admin\AppData\Local\Temp\Cab362F.tmp
Size 70KB
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
SSDEEP 1536:gc257bHnClJ3v5mnAQEBP+bfnW8Ctl8G1G4eu76NWDdB34w18R5cBWcJAm68+Q:gp2ld5jPqW8LgeulxB3fgcEfDQ
MD5 SHA1 SHA512 SSDEEP

Submit Download

Tar3642.tmp

Path C:\Users\Admin\AppData\Local\Temp\Tar3642.tmp
Size 181KB
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
SSDEEP 1536:aAZw/J+lCUsTRvsqgCyqWlUDNWdm1wpSru2A0XwjY/z02DTr3rmt6mZ:as2J+qTR0XCy/dmASru2AijbdG
MD5 SHA1 SHA512 SSDEEP

Submit Download

tmp1F34.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp1F34.tmp.bat
Size 197B
SHA256 a11263bb2e45acc6e36253185bba3e71ab53897ab5bbc921ee813693544402ee
MD5 041b6fd3c6a2b5abf5c35702b470b464
SHA1 f359965e543b6e12e2338bd7916d8652e19734f7
SHA512 c4b76c98541878c69abe68d7485106a981e7df815cb341d00125338e94c3e80f94186c2af6c38dd2f29c23c95ffc2a24d49699d776d6be975334ded1eceea497
MD5 SHA1 SHA512

Submit Download

$77lololololololop.exe

Path \Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\hgfdfd\$77lololololololop.exe
Size 45KB
SHA256 1ef7600f30720e62238a269cb6a8dafe430deb6b79d277b6fe93057a2f6a9d38
MD5 c831d425ab837bd386162dc7cf7a21a8
SHA1 e89dda1a4f8460cb1a0b195dafa6ebfc9aa66821
SHA512 5823dc5bbd87d4bcd95a1b5815b0e39456ee585a906caae540a62d7a1b4d278c8cb2480f2b6f5bf060e93dbe2f965411e70175e29a2c727faaed1315a4b8ed48
SSDEEP 768:00dY/0/zmX2Z7QrgpzRULQeo9hsVz1QB6SPIK6Nrvrc/ME:0sM0ZnpzGs59m1QoO6NrA/ME
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/856-23-0x000000001B5C0000-0x000000001B8A2000-memory.dmp

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memory/856-24-0x0000000002990000-0x0000000002998000-memory.dmp

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memory/1624-18-0x000000013FCA0000-0x000000013FCB0000-memory.dmp

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memory/2692-0-0x000007FEF5EB3000-0x000007FEF5EB4000-memory.dmp

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memory/2692-1-0x000000013F5E0000-0x000000013F5F0000-memory.dmp

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memory/2692-2-0x000007FEF5EB0000-0x000007FEF689C000-memory.dmp

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memory/2692-3-0x000007FEF5EB3000-0x000007FEF5EB4000-memory.dmp

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memory/2692-13-0x000007FEF5EB0000-0x000007FEF689C000-memory.dmp

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