crypvault | aadde71205336ccdd048f0b5029becbbcd03e741045f406b2fa819b909809202

Analysis

max time kernel
120s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
08-05-2021 13:01

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General

Target

AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe
Size

444KB
MD5

fd442753c3895d868eed72f7854e2fba
SHA1

477dc12f213dd05a15b61207926b478d3a0d04c7
SHA256

aadde71205336ccdd048f0b5029becbbcd03e741045f406b2fa819b909809202
SHA512

1a7ff91196019abe9dfa93bfaca299ecd87693ef173560951b4d55f9d0c66355535bef724de26865205419e7638e57c762e332d7eff85187e9695f0a92e1d0c2

Score

10^/10

crypvault pony discovery evasion ransomware rat spyware stealer upx

Malware Config

Signatures

CrypVault
Ransomware family which makes encrypted files look like they have been quarantined by AV.
ransomware crypvault
Pony,Fareit
Pony is a Remote Access Trojan application that steals information.
rat spyware stealer pony

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3968	3676	cmd.exe	14

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs

ransomware evasion

Inhibit System Recovery

T1490

pid	Process
2568	bcdedit.exe
3416	bcdedit.exe

Executes dropped EXE 3 IoCs

pid	Process
2148	7za.exe
2928	2D4F861D8D.exe
472	2D4F861D8D.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/472-129-0x0000000000400000-0x0000000000E28000-memory.dmp	upx
behavioral2/memory/472-138-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VAULT.hta	2D4F861D8D.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VAULT.hta	2D4F861D8D.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2928 set thread context of 472	2928	2D4F861D8D.exe	92

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE

Interacts with shadow copies 2 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1107

Inhibit System Recovery

T1490

pid	Process
3868	vssadmin.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings	2D4F861D8D.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1276	WINWORD.EXE
1276	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2928	2D4F861D8D.exe
2928	2D4F861D8D.exe
472	2D4F861D8D.exe
472	2D4F861D8D.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeImpersonatePrivilege	472	2D4F861D8D.exe
Token: SeTcbPrivilege	472	2D4F861D8D.exe
Token: SeChangeNotifyPrivilege	472	2D4F861D8D.exe
Token: SeCreateTokenPrivilege	472	2D4F861D8D.exe
Token: SeBackupPrivilege	472	2D4F861D8D.exe
Token: SeRestorePrivilege	472	2D4F861D8D.exe
Token: SeIncreaseQuotaPrivilege	472	2D4F861D8D.exe
Token: SeAssignPrimaryTokenPrivilege	472	2D4F861D8D.exe
Token: SeIncreaseQuotaPrivilege	1896	WMIC.exe
Token: SeSecurityPrivilege	1896	WMIC.exe
Token: SeTakeOwnershipPrivilege	1896	WMIC.exe
Token: SeLoadDriverPrivilege	1896	WMIC.exe
Token: SeSystemProfilePrivilege	1896	WMIC.exe
Token: SeSystemtimePrivilege	1896	WMIC.exe
Token: SeProfSingleProcessPrivilege	1896	WMIC.exe
Token: SeIncBasePriorityPrivilege	1896	WMIC.exe
Token: SeCreatePagefilePrivilege	1896	WMIC.exe
Token: SeBackupPrivilege	1896	WMIC.exe
Token: SeRestorePrivilege	1896	WMIC.exe
Token: SeShutdownPrivilege	1896	WMIC.exe
Token: SeDebugPrivilege	1896	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1896	WMIC.exe
Token: SeRemoteShutdownPrivilege	1896	WMIC.exe
Token: SeUndockPrivilege	1896	WMIC.exe
Token: SeManageVolumePrivilege	1896	WMIC.exe
Token: 33	1896	WMIC.exe
Token: 34	1896	WMIC.exe
Token: 35	1896	WMIC.exe
Token: 36	1896	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1896	WMIC.exe
Token: SeSecurityPrivilege	1896	WMIC.exe
Token: SeTakeOwnershipPrivilege	1896	WMIC.exe
Token: SeLoadDriverPrivilege	1896	WMIC.exe
Token: SeSystemProfilePrivilege	1896	WMIC.exe
Token: SeSystemtimePrivilege	1896	WMIC.exe
Token: SeProfSingleProcessPrivilege	1896	WMIC.exe
Token: SeIncBasePriorityPrivilege	1896	WMIC.exe
Token: SeCreatePagefilePrivilege	1896	WMIC.exe
Token: SeBackupPrivilege	1896	WMIC.exe
Token: SeRestorePrivilege	1896	WMIC.exe
Token: SeShutdownPrivilege	1896	WMIC.exe
Token: SeDebugPrivilege	1896	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1896	WMIC.exe
Token: SeRemoteShutdownPrivilege	1896	WMIC.exe
Token: SeUndockPrivilege	1896	WMIC.exe
Token: SeManageVolumePrivilege	1896	WMIC.exe
Token: 33	1896	WMIC.exe
Token: 34	1896	WMIC.exe
Token: 35	1896	WMIC.exe
Token: 36	1896	WMIC.exe
Token: SeBackupPrivilege	1280	vssvc.exe
Token: SeRestorePrivilege	1280	vssvc.exe
Token: SeAuditPrivilege	1280	vssvc.exe
Token: SeImpersonatePrivilege	472	2D4F861D8D.exe
Token: SeTcbPrivilege	472	2D4F861D8D.exe
Token: SeChangeNotifyPrivilege	472	2D4F861D8D.exe
Token: SeCreateTokenPrivilege	472	2D4F861D8D.exe
Token: SeBackupPrivilege	472	2D4F861D8D.exe
Token: SeRestorePrivilege	472	2D4F861D8D.exe
Token: SeIncreaseQuotaPrivilege	472	2D4F861D8D.exe
Token: SeAssignPrimaryTokenPrivilege	472	2D4F861D8D.exe
Token: SeImpersonatePrivilege	472	2D4F861D8D.exe
Token: SeTcbPrivilege	472	2D4F861D8D.exe
Token: SeChangeNotifyPrivilege	472	2D4F861D8D.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2928	2D4F861D8D.exe
2928	2D4F861D8D.exe
1276	WINWORD.EXE
1276	WINWORD.EXE
1276	WINWORD.EXE
1276	WINWORD.EXE

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 3152 wrote to memory of 3704	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	74
PID 3152 wrote to memory of 3704	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	74
PID 3152 wrote to memory of 3704	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	74
PID 3152 wrote to memory of 1028	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	76
PID 3152 wrote to memory of 1028	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	76
PID 3152 wrote to memory of 1028	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	76
PID 3152 wrote to memory of 1660	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	78
PID 3152 wrote to memory of 1660	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	78
PID 3152 wrote to memory of 1660	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	78
PID 3152 wrote to memory of 2148	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	81
PID 3152 wrote to memory of 2148	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	81
PID 3152 wrote to memory of 2148	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	81
PID 3152 wrote to memory of 1128	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	84
PID 3152 wrote to memory of 1128	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	84
PID 3152 wrote to memory of 1128	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	84
PID 3152 wrote to memory of 1276	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	86
PID 3152 wrote to memory of 1276	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	86
PID 3152 wrote to memory of 3612	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	87
PID 3152 wrote to memory of 3612	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	87
PID 3152 wrote to memory of 3612	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	87
PID 3152 wrote to memory of 2928	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	89
PID 3152 wrote to memory of 2928	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	89
PID 3152 wrote to memory of 2928	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	89
PID 3152 wrote to memory of 3900	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	90
PID 3152 wrote to memory of 3900	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	90
PID 3152 wrote to memory of 3900	3152	AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe	90
PID 2928 wrote to memory of 472	2928	2D4F861D8D.exe	92
PID 2928 wrote to memory of 472	2928	2D4F861D8D.exe	92
PID 2928 wrote to memory of 472	2928	2D4F861D8D.exe	92
PID 2928 wrote to memory of 472	2928	2D4F861D8D.exe	92
PID 2928 wrote to memory of 472	2928	2D4F861D8D.exe	92
PID 2928 wrote to memory of 472	2928	2D4F861D8D.exe	92
PID 2928 wrote to memory of 472	2928	2D4F861D8D.exe	92
PID 2928 wrote to memory of 472	2928	2D4F861D8D.exe	92
PID 2928 wrote to memory of 472	2928	2D4F861D8D.exe	92
PID 2928 wrote to memory of 472	2928	2D4F861D8D.exe	92
PID 2928 wrote to memory of 472	2928	2D4F861D8D.exe	92
PID 472 wrote to memory of 2872	472	2D4F861D8D.exe	93
PID 472 wrote to memory of 2872	472	2D4F861D8D.exe	93
PID 472 wrote to memory of 2872	472	2D4F861D8D.exe	93
PID 472 wrote to memory of 1896	472	2D4F861D8D.exe	94
PID 472 wrote to memory of 1896	472	2D4F861D8D.exe	94
PID 472 wrote to memory of 1896	472	2D4F861D8D.exe	94
PID 3968 wrote to memory of 3868	3968	cmd.exe	98
PID 3968 wrote to memory of 3868	3968	cmd.exe	98
PID 3968 wrote to memory of 2568	3968	cmd.exe	101
PID 3968 wrote to memory of 2568	3968	cmd.exe	101
PID 3968 wrote to memory of 3416	3968	cmd.exe	102
PID 3968 wrote to memory of 3416	3968	cmd.exe	102

C:\Users\Admin\AppData\Local\Temp\AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe
"C:\Users\Admin\AppData\Local\Temp\AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3152
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c echo 2D4F861D8DCF8C8F
  2⤵
  PID:3704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ren "C:\Users\Admin\AppData\Local\Temp\CF8C8F" 7za.exe
  2⤵
  PID:1028
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c echo 2D4F861D8DCF8C8F
  2⤵
  PID:1660
- C:\Users\Admin\AppData\Local\Temp\7za.exe
  "C:\Users\Admin\AppData\Local\Temp\7za.exe" e "C:\Users\Admin\AppData\Local\Temp\2D4F861D8D" -y -p2D4F861D8D
  2⤵
  - Executes dropped EXE
  PID:2148
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c echo 2D4F861D8DCF8C8F
  2⤵
  PID:1128
- C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
  "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\2D4F861D8D.doc" /o ""
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  PID:1276
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c echo 2D4F861D8DCF8C8F
  2⤵
  PID:3612
- C:\Users\Admin\AppData\Local\Temp\2D4F861D8D.exe
  "C:\Users\Admin\AppData\Local\Temp\2D4F861D8D.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2928
- - C:\Users\Admin\AppData\Local\Temp\2D4F861D8D.exe
    "C:\Users\Admin\AppData\Local\Temp\2D4F861D8D.exe"
    3⤵
    - Executes dropped EXE
    - Drops startup file
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:472
  - - C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\VAULT.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      4⤵
      PID:2872
  - - C:\Windows\SysWOW64\wbem\WMIC.exe
      "C:\Windows\System32\wbem\WMIC.exe" process call create "cmd.exe /c vssadmin.exe delete shadows /all /quiet & bcdedit.exe /set {default} recoveryenabled no & bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures"
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:1896
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c echo 2D4F861D8DCF8C8F
  2⤵
  PID:3900

C:\Windows\system32\cmd.exe
cmd.exe /c vssadmin.exe delete shadows /all /quiet & bcdedit.exe /set {default} recoveryenabled no & bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
1⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3968
- C:\Windows\system32\vssadmin.exe
  vssadmin.exe delete shadows /all /quiet
  2⤵
  - Interacts with shadow copies
  PID:3868
- C:\Windows\system32\bcdedit.exe
  bcdedit.exe /set {default} recoveryenabled no
  2⤵
  - Modifies boot configuration data using bcdedit
  PID:2568
- C:\Windows\system32\bcdedit.exe
  bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
  2⤵
  - Modifies boot configuration data using bcdedit
  PID:3416

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1280

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

T1107

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

memory/472-129-0x0000000000400000-0x0000000000E28000-memory.dmp

Filesize
10.2MB

Download
memory/472-138-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1276-135-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/1276-139-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/1276-146-0x00007FFD4E340000-0x00007FFD50235000-memory.dmp

Filesize
31.0MB

Download
memory/1276-144-0x00007FFD50240000-0x00007FFD5132E000-memory.dmp

Filesize
16.9MB

Download
memory/1276-136-0x00007FFD567F0000-0x00007FFD59313000-memory.dmp

Filesize
43.1MB

Download
memory/1276-132-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/1276-133-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/1276-134-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/2928-137-0x00000000021C0000-0x00000000021C5000-memory.dmp

Filesize
20KB

Download