0a88441599708e6db61bb9d31e8701ac08b17a69f1d46361385f700b090718f4

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/08/2024, 19:30

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General

Target

20240819a042363697a1223f9e939f0d45af42dbbkransomware.exe
Size

6.7MB
MD5

a042363697a1223f9e939f0d45af42db
SHA1

f3ad51b38082225ff2b2c7de7afde74c98bff442
SHA256

0a88441599708e6db61bb9d31e8701ac08b17a69f1d46361385f700b090718f4
SHA512

656fe7f529fe5b3dec510194c17fe687afc8b880341e917ef5f19533d721b03175dcbcea69703a343bcc5869af6329a2686d473f94d5e3189b36fb0d0bfcb900
SSDEEP

98304:XNnN9K9kEk9khQzw+1mAMw5svqBNtb7yCJCva2JTV40IOMy:X79V9jzw+1mAMw6vqRb7yuixrIU

Score

8^/10

defense_evasion discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2808	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	20240819a042363697a1223f9e939f0d45af42dbbkransomware.exe

Indirect Command Execution 1 TTPs 5 IoCs

Adversaries may abuse utilities that allow for command execution to bypass security restrictions that limit the use of command-line interpreters.

defense_evasion

Indirect Command Execution

T1202

pid	Process
8	forfiles.exe
4920	forfiles.exe
2976	forfiles.exe
4796	forfiles.exe
1868	forfiles.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2716	2528	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 18 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20240819a042363697a1223f9e939f0d45af42dbbkransomware.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	forfiles.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	forfiles.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	forfiles.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	forfiles.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	forfiles.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gpupdate.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2808	powershell.exe
2808	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	powershell.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 956	2528	20240819a042363697a1223f9e939f0d45af42dbbkransomware.exe	88
PID 2528 wrote to memory of 956	2528	20240819a042363697a1223f9e939f0d45af42dbbkransomware.exe	88
PID 2528 wrote to memory of 956	2528	20240819a042363697a1223f9e939f0d45af42dbbkransomware.exe	88
PID 956 wrote to memory of 1868	956	cmd.exe	90
PID 956 wrote to memory of 1868	956	cmd.exe	90
PID 956 wrote to memory of 1868	956	cmd.exe	90
PID 1868 wrote to memory of 972	1868	forfiles.exe	92
PID 1868 wrote to memory of 972	1868	forfiles.exe	92
PID 1868 wrote to memory of 972	1868	forfiles.exe	92
PID 972 wrote to memory of 1356	972	cmd.exe	93
PID 972 wrote to memory of 1356	972	cmd.exe	93
PID 972 wrote to memory of 1356	972	cmd.exe	93
PID 956 wrote to memory of 8	956	cmd.exe	94
PID 956 wrote to memory of 8	956	cmd.exe	94
PID 956 wrote to memory of 8	956	cmd.exe	94
PID 8 wrote to memory of 1524	8	forfiles.exe	95
PID 8 wrote to memory of 1524	8	forfiles.exe	95
PID 8 wrote to memory of 1524	8	forfiles.exe	95
PID 1524 wrote to memory of 2340	1524	cmd.exe	96
PID 1524 wrote to memory of 2340	1524	cmd.exe	96
PID 1524 wrote to memory of 2340	1524	cmd.exe	96
PID 956 wrote to memory of 4920	956	cmd.exe	97
PID 956 wrote to memory of 4920	956	cmd.exe	97
PID 956 wrote to memory of 4920	956	cmd.exe	97
PID 4920 wrote to memory of 3440	4920	forfiles.exe	98
PID 4920 wrote to memory of 3440	4920	forfiles.exe	98
PID 4920 wrote to memory of 3440	4920	forfiles.exe	98
PID 3440 wrote to memory of 5092	3440	cmd.exe	99
PID 3440 wrote to memory of 5092	3440	cmd.exe	99
PID 3440 wrote to memory of 5092	3440	cmd.exe	99
PID 956 wrote to memory of 2976	956	cmd.exe	100
PID 956 wrote to memory of 2976	956	cmd.exe	100
PID 956 wrote to memory of 2976	956	cmd.exe	100
PID 2976 wrote to memory of 3312	2976	forfiles.exe	101
PID 2976 wrote to memory of 3312	2976	forfiles.exe	101
PID 2976 wrote to memory of 3312	2976	forfiles.exe	101
PID 3312 wrote to memory of 2272	3312	cmd.exe	102
PID 3312 wrote to memory of 2272	3312	cmd.exe	102
PID 3312 wrote to memory of 2272	3312	cmd.exe	102
PID 956 wrote to memory of 4796	956	cmd.exe	103
PID 956 wrote to memory of 4796	956	cmd.exe	103
PID 956 wrote to memory of 4796	956	cmd.exe	103
PID 4796 wrote to memory of 1812	4796	forfiles.exe	104
PID 4796 wrote to memory of 1812	4796	forfiles.exe	104
PID 4796 wrote to memory of 1812	4796	forfiles.exe	104
PID 1812 wrote to memory of 2808	1812	cmd.exe	105
PID 1812 wrote to memory of 2808	1812	cmd.exe	105
PID 1812 wrote to memory of 2808	1812	cmd.exe	105
PID 2808 wrote to memory of 2532	2808	powershell.exe	106
PID 2808 wrote to memory of 2532	2808	powershell.exe	106
PID 2808 wrote to memory of 2532	2808	powershell.exe	106

C:\Users\Admin\AppData\Local\Temp\20240819a042363697a1223f9e939f0d45af42dbbkransomware.exe
"C:\Users\Admin\AppData\Local\Temp\20240819a042363697a1223f9e939f0d45af42dbbkransomware.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C forfiles /p c:\windows\system32 /m where.exe /c "cmd /C reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v 2147735503 /t REG_SZ /d 6" & forfiles /p c:\windows\system32 /m calc.exe /c "cmd /C reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v 2147814524 /t REG_SZ /d 6" & forfiles /p c:\windows\system32 /m where.exe /c "cmd /C reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v 2147780199 /t REG_SZ /d 6" & forfiles /p c:\windows\system32 /m waitfor.exe /c "cmd /C reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v 2147812831 /t REG_SZ /d 6" & forfiles /p c:\windows\system32 /m help.exe /c "cmd /C powershell start-process -WindowStyle Hidden gpupdate.exe /force"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:956
- - C:\Windows\SysWOW64\forfiles.exe
    forfiles /p c:\windows\system32 /m where.exe /c "cmd /C reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v 2147735503 /t REG_SZ /d 6"
    3⤵
    - Indirect Command Execution
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1868
  - - C:\Windows\SysWOW64\cmd.exe
      /C reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction" /f /v 2147735503 /t REG_SZ /d 6
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:972
    - - \??\c:\windows\SysWOW64\reg.exe
        
        reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction" /f /v 2147735503 /t REG_SZ /d 6
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1356
- - C:\Windows\SysWOW64\forfiles.exe
    forfiles /p c:\windows\system32 /m calc.exe /c "cmd /C reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v 2147814524 /t REG_SZ /d 6"
    3⤵
    - Indirect Command Execution
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:8
  - - C:\Windows\SysWOW64\cmd.exe
      /C reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction" /f /v 2147814524 /t REG_SZ /d 6
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1524
    - - \??\c:\windows\SysWOW64\reg.exe
        
        reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction" /f /v 2147814524 /t REG_SZ /d 6
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2340
- - C:\Windows\SysWOW64\forfiles.exe
    forfiles /p c:\windows\system32 /m where.exe /c "cmd /C reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v 2147780199 /t REG_SZ /d 6"
    3⤵
    - Indirect Command Execution
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4920
  - - C:\Windows\SysWOW64\cmd.exe
      /C reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction" /f /v 2147780199 /t REG_SZ /d 6
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3440
    - - \??\c:\windows\SysWOW64\reg.exe
        
        reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction" /f /v 2147780199 /t REG_SZ /d 6
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:5092
- - C:\Windows\SysWOW64\forfiles.exe
    forfiles /p c:\windows\system32 /m waitfor.exe /c "cmd /C reg add \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v 2147812831 /t REG_SZ /d 6"
    3⤵
    - Indirect Command Execution
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2976
  - - C:\Windows\SysWOW64\cmd.exe
      /C reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction" /f /v 2147812831 /t REG_SZ /d 6
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3312
    - - \??\c:\windows\SysWOW64\reg.exe
        
        reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction" /f /v 2147812831 /t REG_SZ /d 6
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2272
- - C:\Windows\SysWOW64\forfiles.exe
    forfiles /p c:\windows\system32 /m help.exe /c "cmd /C powershell start-process -WindowStyle Hidden gpupdate.exe /force"
    3⤵
    - Indirect Command Execution
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4796
  - - C:\Windows\SysWOW64\cmd.exe
      /C powershell start-process -WindowStyle Hidden gpupdate.exe /force
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1812
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell start-process -WindowStyle Hidden gpupdate.exe /force
        5⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2808
      - C:\Windows\SysWOW64\gpupdate.exe
        
        "C:\Windows\system32\gpupdate.exe" /force
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:2532
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 624
  2⤵
  - Program crash
  PID:2716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2528 -ip 2528
1⤵
PID:3284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Indirect Command Execution

T1202

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2w4qfxg5.h31.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2528-28-0x0000000000B90000-0x0000000001247000-memory.dmp

Filesize
6.7MB

Download
memory/2528-24-0x0000000010000000-0x000000001544A000-memory.dmp

Filesize
84.3MB

Download
memory/2528-0-0x0000000000B90000-0x0000000001247000-memory.dmp

Filesize
6.7MB

Download
memory/2808-16-0x00000000065D0000-0x00000000065EE000-memory.dmp

Filesize
120KB

Download
memory/2808-5-0x0000000005FD0000-0x0000000006036000-memory.dmp

Filesize
408KB

Download
memory/2808-4-0x0000000005F60000-0x0000000005FC6000-memory.dmp

Filesize
408KB

Download
memory/2808-15-0x0000000006140000-0x0000000006494000-memory.dmp

Filesize
3.3MB

Download
memory/2808-3-0x0000000005730000-0x0000000005752000-memory.dmp

Filesize
136KB

Download
memory/2808-17-0x0000000006610000-0x000000000665C000-memory.dmp

Filesize
304KB

Download
memory/2808-18-0x00000000075E0000-0x0000000007676000-memory.dmp

Filesize
600KB

Download
memory/2808-19-0x0000000006B00000-0x0000000006B1A000-memory.dmp

Filesize
104KB

Download
memory/2808-20-0x0000000006B50000-0x0000000006B72000-memory.dmp

Filesize
136KB

Download
memory/2808-21-0x0000000007C30000-0x00000000081D4000-memory.dmp

Filesize
5.6MB

Download
memory/2808-2-0x00000000058C0000-0x0000000005EE8000-memory.dmp

Filesize
6.2MB

Download
memory/2808-1-0x0000000002CE0000-0x0000000002D16000-memory.dmp

Filesize
216KB

Download