crypvault | d7430680c994bc488209aa05c2e72de9ffe5d858111404a2ffb7715bae4f0758

Analysis

max time kernel
91s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
24/06/2022, 04:43

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General

Target
D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
Size 148KB
Sample220624-fb8r5aceh5
SHA256 d7430680c994bc488209aa05c2e72de9ffe5d858111404a2ffb7715bae4f0758
MD5 d1f6d486c4afb6aca38ee45ed8ae4e3c
SHA1 3343a6203db587c257252d5b493ea16d5ac93e13
SHA512 634e77f6dc9ff159742cabb90d9c3ce62c5f392b96f2cb01b93d86989369e374e9a473327ece255fc784348e9c3ac710a9e18192b686fc3b264793470d36208d
MD5 SHA1 SHA512

Score

10^/10

crypvault pony collection discovery evasion ransomware rat spyware stealer suricata 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	308	4328	cmd.exe	39

suricata: ET MALWARE Fareit/Pony Downloader Checkin 2
suricata: ET MALWARE Fareit/Pony Downloader Checkin 2
suricata
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
2380	bcdedit.exe
2776	bcdedit.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1428-131-0x0000000000400000-0x0000000000E28000-memory.dmp	upx
behavioral2/memory/1428-134-0x0000000000400000-0x0000000000E28000-memory.dmp	upx
behavioral2/memory/1428-135-0x0000000000400000-0x0000000000E28000-memory.dmp	upx
behavioral2/memory/1428-136-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/1428-137-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/1428-146-0x0000000000400000-0x000000000041A000-memory.dmp	upx

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-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VAULT.hta	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VAULT.hta	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.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

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe

Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe

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 5024 set thread context of 1428	5024	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe	83

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

System Information Discovery
T1082

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
3136	vssadmin.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000_Classes\Local Settings	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5024	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
5024	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeImpersonatePrivilege	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
Token: SeTcbPrivilege	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
Token: SeChangeNotifyPrivilege	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
Token: SeCreateTokenPrivilege	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
Token: SeBackupPrivilege	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
Token: SeRestorePrivilege	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
Token: SeIncreaseQuotaPrivilege	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
Token: SeAssignPrimaryTokenPrivilege	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
Token: SeIncreaseQuotaPrivilege	4120	WMIC.exe
Token: SeSecurityPrivilege	4120	WMIC.exe
Token: SeTakeOwnershipPrivilege	4120	WMIC.exe
Token: SeLoadDriverPrivilege	4120	WMIC.exe
Token: SeSystemProfilePrivilege	4120	WMIC.exe
Token: SeSystemtimePrivilege	4120	WMIC.exe
Token: SeProfSingleProcessPrivilege	4120	WMIC.exe
Token: SeIncBasePriorityPrivilege	4120	WMIC.exe
Token: SeCreatePagefilePrivilege	4120	WMIC.exe
Token: SeBackupPrivilege	4120	WMIC.exe
Token: SeRestorePrivilege	4120	WMIC.exe
Token: SeShutdownPrivilege	4120	WMIC.exe
Token: SeDebugPrivilege	4120	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4120	WMIC.exe
Token: SeRemoteShutdownPrivilege	4120	WMIC.exe
Token: SeUndockPrivilege	4120	WMIC.exe
Token: SeManageVolumePrivilege	4120	WMIC.exe
Token: 33	4120	WMIC.exe
Token: 34	4120	WMIC.exe
Token: 35	4120	WMIC.exe
Token: 36	4120	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4120	WMIC.exe
Token: SeSecurityPrivilege	4120	WMIC.exe
Token: SeTakeOwnershipPrivilege	4120	WMIC.exe
Token: SeLoadDriverPrivilege	4120	WMIC.exe
Token: SeSystemProfilePrivilege	4120	WMIC.exe
Token: SeSystemtimePrivilege	4120	WMIC.exe
Token: SeProfSingleProcessPrivilege	4120	WMIC.exe
Token: SeIncBasePriorityPrivilege	4120	WMIC.exe
Token: SeCreatePagefilePrivilege	4120	WMIC.exe
Token: SeBackupPrivilege	4120	WMIC.exe
Token: SeRestorePrivilege	4120	WMIC.exe
Token: SeShutdownPrivilege	4120	WMIC.exe
Token: SeDebugPrivilege	4120	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4120	WMIC.exe
Token: SeRemoteShutdownPrivilege	4120	WMIC.exe
Token: SeUndockPrivilege	4120	WMIC.exe
Token: SeManageVolumePrivilege	4120	WMIC.exe
Token: 33	4120	WMIC.exe
Token: 34	4120	WMIC.exe
Token: 35	4120	WMIC.exe
Token: 36	4120	WMIC.exe
Token: SeBackupPrivilege	5088	vssvc.exe
Token: SeRestorePrivilege	5088	vssvc.exe
Token: SeAuditPrivilege	5088	vssvc.exe
Token: SeImpersonatePrivilege	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
Token: SeTcbPrivilege	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
Token: SeChangeNotifyPrivilege	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
Token: SeCreateTokenPrivilege	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
Token: SeBackupPrivilege	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
Token: SeRestorePrivilege	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
Token: SeIncreaseQuotaPrivilege	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
Token: SeAssignPrimaryTokenPrivilege	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
Token: SeImpersonatePrivilege	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
Token: SeTcbPrivilege	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
Token: SeChangeNotifyPrivilege	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5024	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
5024	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 5024 wrote to memory of 1428	5024	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe	83
PID 5024 wrote to memory of 1428	5024	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe	83
PID 5024 wrote to memory of 1428	5024	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe	83
PID 5024 wrote to memory of 1428	5024	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe	83
PID 5024 wrote to memory of 1428	5024	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe	83
PID 5024 wrote to memory of 1428	5024	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe	83
PID 5024 wrote to memory of 1428	5024	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe	83
PID 5024 wrote to memory of 1428	5024	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe	83
PID 5024 wrote to memory of 1428	5024	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe	83
PID 5024 wrote to memory of 1428	5024	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe	83
PID 5024 wrote to memory of 1428	5024	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe	83
PID 1428 wrote to memory of 4120	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe	84
PID 1428 wrote to memory of 4120	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe	84
PID 1428 wrote to memory of 4120	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe	84
PID 1428 wrote to memory of 2284	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe	85
PID 1428 wrote to memory of 2284	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe	85
PID 1428 wrote to memory of 2284	1428	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe	85
PID 308 wrote to memory of 3136	308	cmd.exe	90
PID 308 wrote to memory of 3136	308	cmd.exe	90
PID 308 wrote to memory of 2380	308	cmd.exe	95
PID 308 wrote to memory of 2380	308	cmd.exe	95
PID 308 wrote to memory of 2776	308	cmd.exe	96
PID 308 wrote to memory of 2776	308	cmd.exe	96

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe

C:\Users\Admin\AppData\Local\Temp\D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
"C:\Users\Admin\AppData\Local\Temp\D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5024
- C:\Users\Admin\AppData\Local\Temp\D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
  C:\Users\Admin\AppData\Local\Temp\D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Accesses Microsoft Outlook accounts
  - Accesses Microsoft Outlook profiles
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_win_path
  PID:1428
- - 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"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4120
- - 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}
    3⤵
    PID:2284

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:308
- C:\Windows\system32\vssadmin.exe
  vssadmin.exe delete shadows /all /quiet
  2⤵
  - Interacts with shadow copies
  PID:3136
- C:\Windows\system32\bcdedit.exe
  bcdedit.exe /set {default} recoveryenabled no
  2⤵
  - Modifies boot configuration data using bcdedit
  PID:2380
- C:\Windows\system32\bcdedit.exe
  bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
  2⤵
  - Modifies boot configuration data using bcdedit
  PID:2776

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5088

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

Email Collection

T1114

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

VAULT.hta

Path C:\Users\Admin\Desktop\VAULT.hta
Size 4KB
SHA256 6a37244fbabb6238f178c7b769b3d0f15c93d70fece941b416c8e71140538004
MD5 b71751d104ed8f256ae64a7d02821be0
SHA1 bc3e6ac19bf1431a5872597684b2982b8ba07d87
SHA512 b3bee8dd51f874f5677dbb37989077776d0169d97760395d38ab52ac422ce3a9db78df3970a6c1ac6e18538d8e014fc72f3481964976a5f26b2c7e63efe0ffdf
SSDEEP 96:HPCyU1Aj2ssE8obwU5I7peqi1NsVE4TEF:HqyUO2bobwhdeq6x
MD5 SHA1 SHA512 SSDEEP

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memory/1428-137-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/1428-134-0x0000000000400000-0x0000000000E28000-memory.dmp

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memory/1428-135-0x0000000000400000-0x0000000000E28000-memory.dmp

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memory/1428-136-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/1428-138-0x0000000001000000-0x000000000100F000-memory.dmp

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memory/1428-146-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/1428-131-0x0000000000400000-0x0000000000E28000-memory.dmp

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memory/5024-133-0x0000000002250000-0x0000000002255000-memory.dmp

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