3a53fc0060de3daa43eda52ecb4348ede9d1d95ba89e81906c19da1afd9376b5

Analysis

max time kernel
151s
max time network
111s
platform
windows10_x64
resource
win10v200722
submitted
15/10/2020, 10:56

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General

Target
Order SHWSO1018810 Nilorn Trading Company Ltd.exe
Size 2.6MB
Sample201015-1576f5w3f6
SHA256 3a53fc0060de3daa43eda52ecb4348ede9d1d95ba89e81906c19da1afd9376b5
MD5 8fb21ec8fa5a28c03a3c9d37064eba62
SHA1 01216b175571f1375867a7eccf4394e564014c9a
SHA512 dcb9a760cdca83f7ec396e73b7abf3d3e8f4d4490499bea2add69017bcb91cdd896f0d950ef70cf39948cb49e5883471a593afe5ca18f0d69f663024ff2c40a8
MD5 SHA1 SHA512

Score

10^/10

upx persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 4 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AutoPicker.exe,"	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AutoPicker.exe,"	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AutoPicker.exe,"	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AutoPicker.exe,"	reg.exe

Executes dropped EXE 2 IoCs

pid	Process
3988	AutoPicker.exe
3992	AutoPicker.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3992-33-0x0000000000DC0000-0x0000000001168000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3988 set thread context of 3992	3988	AutoPicker.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3808	3992	WerFault.exe	85

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3988	AutoPicker.exe
3988	AutoPicker.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3056	Order SHWSO1018810 Nilorn Trading Company Ltd.exe
Token: SeDebugPrivilege	3988	AutoPicker.exe
Token: SeRestorePrivilege	3808	WerFault.exe
Token: SeBackupPrivilege	3808	WerFault.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 3896	3056	Order SHWSO1018810 Nilorn Trading Company Ltd.exe	76
PID 3056 wrote to memory of 3896	3056	Order SHWSO1018810 Nilorn Trading Company Ltd.exe	76
PID 3056 wrote to memory of 3896	3056	Order SHWSO1018810 Nilorn Trading Company Ltd.exe	76
PID 3056 wrote to memory of 3692	3056	Order SHWSO1018810 Nilorn Trading Company Ltd.exe	78
PID 3056 wrote to memory of 3692	3056	Order SHWSO1018810 Nilorn Trading Company Ltd.exe	78
PID 3056 wrote to memory of 3692	3056	Order SHWSO1018810 Nilorn Trading Company Ltd.exe	78
PID 3692 wrote to memory of 3988	3692	cmd.exe	80
PID 3692 wrote to memory of 3988	3692	cmd.exe	80
PID 3692 wrote to memory of 3988	3692	cmd.exe	80
PID 3988 wrote to memory of 3640	3988	AutoPicker.exe	81
PID 3988 wrote to memory of 3640	3988	AutoPicker.exe	81
PID 3988 wrote to memory of 3640	3988	AutoPicker.exe	81
PID 3640 wrote to memory of 1856	3640	cmd.exe	83
PID 3640 wrote to memory of 1856	3640	cmd.exe	83
PID 3640 wrote to memory of 1856	3640	cmd.exe	83
PID 3988 wrote to memory of 4052	3988	AutoPicker.exe	84
PID 3988 wrote to memory of 4052	3988	AutoPicker.exe	84
PID 3988 wrote to memory of 4052	3988	AutoPicker.exe	84
PID 3988 wrote to memory of 3992	3988	AutoPicker.exe	85
PID 3988 wrote to memory of 3992	3988	AutoPicker.exe	85
PID 3988 wrote to memory of 3992	3988	AutoPicker.exe	85
PID 4052 wrote to memory of 3280	4052	cmd.exe	87
PID 4052 wrote to memory of 3280	4052	cmd.exe	87
PID 4052 wrote to memory of 3280	4052	cmd.exe	87
PID 3988 wrote to memory of 3992	3988	AutoPicker.exe	85
PID 3988 wrote to memory of 3992	3988	AutoPicker.exe	85
PID 3988 wrote to memory of 3992	3988	AutoPicker.exe	85
PID 3988 wrote to memory of 3992	3988	AutoPicker.exe	85
PID 3988 wrote to memory of 1036	3988	AutoPicker.exe	88
PID 3988 wrote to memory of 1036	3988	AutoPicker.exe	88
PID 3988 wrote to memory of 1036	3988	AutoPicker.exe	88
PID 1036 wrote to memory of 3800	1036	cmd.exe	90
PID 1036 wrote to memory of 3800	1036	cmd.exe	90
PID 1036 wrote to memory of 3800	1036	cmd.exe	90
PID 3988 wrote to memory of 3732	3988	AutoPicker.exe	91
PID 3988 wrote to memory of 3732	3988	AutoPicker.exe	91
PID 3988 wrote to memory of 3732	3988	AutoPicker.exe	91
PID 3732 wrote to memory of 3304	3732	cmd.exe	94
PID 3732 wrote to memory of 3304	3732	cmd.exe	94
PID 3732 wrote to memory of 3304	3732	cmd.exe	94
PID 3988 wrote to memory of 632	3988	AutoPicker.exe	96
PID 3988 wrote to memory of 632	3988	AutoPicker.exe	96
PID 3988 wrote to memory of 632	3988	AutoPicker.exe	96

C:\Users\Admin\AppData\Local\Temp\Order SHWSO1018810 Nilorn Trading Company Ltd.exe
"C:\Users\Admin\AppData\Local\Temp\Order SHWSO1018810 Nilorn Trading Company Ltd.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\Order SHWSO1018810 Nilorn Trading Company Ltd.exe" "C:\Users\Admin\AutoPicker.exe"
  2⤵
  PID:3896
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AutoPicker.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3692
- - C:\Users\Admin\AutoPicker.exe
    "C:\Users\Admin\AutoPicker.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3988
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AutoPicker.exe,"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3640
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AutoPicker.exe,"
        5⤵
        Modifies WinLogon for persistence
        
        PID:1856
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AutoPicker.exe,"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4052
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AutoPicker.exe,"
        5⤵
        Modifies WinLogon for persistence
        
        PID:3280
  - - C:\Users\Admin\AutoPicker.exe
      "C:\Users\Admin\AutoPicker.exe"
      4⤵
      Executes dropped EXE
      PID:3992
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3992 -s 196
        5⤵
        Program crash
        Suspicious use of AdjustPrivilegeToken
        
        PID:3808
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AutoPicker.exe,"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1036
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AutoPicker.exe,"
        5⤵
        Modifies WinLogon for persistence
        
        PID:3800
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AutoPicker.exe,"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3732
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AutoPicker.exe,"
        5⤵
        Modifies WinLogon for persistence
        
        PID:3304
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AutoPicker.exe,"
      4⤵
      PID:632

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3056-5-0x0000000005600000-0x000000000561F000-memory.dmp

Download

memory/3056-7-0x0000000007EE0000-0x0000000007EE1000-memory.dmp

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memory/3056-6-0x0000000008300000-0x0000000008301000-memory.dmp

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memory/3056-4-0x00000000017D0000-0x00000000017E7000-memory.dmp

Download

memory/3056-3-0x0000000005630000-0x0000000005631000-memory.dmp

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memory/3056-0-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Download

memory/3056-1-0x00000000009F0000-0x00000000009F1000-memory.dmp

Download

memory/3808-35-0x0000000004D10000-0x0000000004D11000-memory.dmp

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memory/3988-25-0x0000000009560000-0x0000000009561000-memory.dmp

Download

memory/3988-23-0x0000000009520000-0x000000000952A000-memory.dmp

Download

memory/3988-13-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Download

memory/3992-33-0x0000000000DC0000-0x0000000001168000-memory.dmp

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