b6a1f83228c732f3e4e2fa003a468a571635350a74434025f94b579e4c914095

General

Target

sample.exe
Size

67KB
MD5

598c53bfef81e489375f09792e487f1a
SHA1

80a29bd2c349a8588edf42653ed739054f9a10f5
SHA256

22d7d67c3af10b1a37f277ebabe2d1eb4fd25afbd6437d4377400e148bcc08d6
SHA512

6a82ad5009588d2fa343bef8d9d2a02e2e76eec14979487a929a96a6b6965e82265a69ef8dd29a01927e9713468de3aedd7b5ee5e79839a1a50649855a160c35

Score

10^/10

ransomware

Malware Config

Extracted

Path

C:\oSPvdHTvI.README.txt

Ransom Note

~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> What happens? Your network is encrypted, and currently not operational. We have downloaded 1TB from your fileserver. We need only money, after payment we will give you a decryptor for the entire network and you will restore all the data. >>> What guarantees? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. If we do not give you decrypters or we do not delete your data, no one will pay us in the future, this does not comply with our goals. We always keep our promises. >> Data leak includes 1. Full emloyeers personal data 2. Network information 3. Schemes of buildings, active project information, architect details and contracts, 4. Finance info >>> How to contact with us? 1. Download and install TOR Browser (https://www.torproject.org/). 2. Open http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/7NT6LXKC1XQHW5039BLOV. >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.

URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/7NT6LXKC1XQHW5039BLOV

Signatures

Modifies extensions of user files 19 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

sample.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\OptimizeReset.tiff => C:\Users\Admin\Pictures\OptimizeReset.tiff.oSPvdHTvI	sample.exe
File renamed	C:\Users\Admin\Pictures\PopInstall.crw => C:\Users\Admin\Pictures\PopInstall.crw.oSPvdHTvI	sample.exe
File opened for modification	C:\Users\Admin\Pictures\PopInstall.crw.oSPvdHTvI	sample.exe
File opened for modification	C:\Users\Admin\Pictures\ReceiveReset.raw.oSPvdHTvI	sample.exe
File renamed	C:\Users\Admin\Pictures\SwitchSkip.raw => C:\Users\Admin\Pictures\SwitchSkip.raw.oSPvdHTvI	sample.exe
File renamed	C:\Users\Admin\Pictures\WatchUnprotect.png => C:\Users\Admin\Pictures\WatchUnprotect.png.oSPvdHTvI	sample.exe
File opened for modification	C:\Users\Admin\Pictures\OptimizeReset.tiff	sample.exe
File opened for modification	C:\Users\Admin\Pictures\FindShow.tiff.oSPvdHTvI	sample.exe
File opened for modification	C:\Users\Admin\Pictures\StopUndo.raw.oSPvdHTvI	sample.exe
File opened for modification	C:\Users\Admin\Pictures\WatchUnprotect.png.oSPvdHTvI	sample.exe
File renamed	C:\Users\Admin\Pictures\FindShow.tiff => C:\Users\Admin\Pictures\FindShow.tiff.oSPvdHTvI	sample.exe
File renamed	C:\Users\Admin\Pictures\AssertBlock.tiff => C:\Users\Admin\Pictures\AssertBlock.tiff.oSPvdHTvI	sample.exe
File opened for modification	C:\Users\Admin\Pictures\SwitchSkip.raw.oSPvdHTvI	sample.exe
File opened for modification	C:\Users\Admin\Pictures\AssertBlock.tiff	sample.exe
File opened for modification	C:\Users\Admin\Pictures\FindShow.tiff	sample.exe
File opened for modification	C:\Users\Admin\Pictures\OptimizeReset.tiff.oSPvdHTvI	sample.exe
File renamed	C:\Users\Admin\Pictures\ReceiveReset.raw => C:\Users\Admin\Pictures\ReceiveReset.raw.oSPvdHTvI	sample.exe
File renamed	C:\Users\Admin\Pictures\StopUndo.raw => C:\Users\Admin\Pictures\StopUndo.raw.oSPvdHTvI	sample.exe
File opened for modification	C:\Users\Admin\Pictures\AssertBlock.tiff.oSPvdHTvI	sample.exe

Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

Processes:

sample.exe

description ioc process

File opened (read-only) \??\Z: sample.exe

description	ioc	process
File opened (read-only)	\??\Z:	sample.exe

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

sample.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\oSPvdHTvI.bmp"	sample.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\oSPvdHTvI.bmp"	sample.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

Processes:

sample.exe

pid process

1696 sample.exe
1696 sample.exe
1696 sample.exe
1696 sample.exe
1696 sample.exe
1696 sample.exe

pid	process
1696	sample.exe
1696	sample.exe
1696	sample.exe
1696	sample.exe
1696	sample.exe
1696	sample.exe

Modifies Control Panel 3 IoCs

evasion

Processes:

sample.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\Desktop	sample.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\Desktop\WallpaperStyle = "10"	sample.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\International	sample.exe

Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

2704 NOTEPAD.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

sample.exe

pid process

1696 sample.exe
1696 sample.exe
1696 sample.exe
1696 sample.exe

pid	process
2704	NOTEPAD.EXE

pid	process
1696	sample.exe
1696	sample.exe
1696	sample.exe
1696	sample.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

sample.exevssvc.exe

description	pid	process
Token: SeBackupPrivilege	1696	sample.exe
Token: SeDebugPrivilege	1696	sample.exe
Token: 36	1696	sample.exe
Token: SeImpersonatePrivilege	1696	sample.exe
Token: SeIncBasePriorityPrivilege	1696	sample.exe
Token: SeIncreaseQuotaPrivilege	1696	sample.exe
Token: 33	1696	sample.exe
Token: SeManageVolumePrivilege	1696	sample.exe
Token: SeProfSingleProcessPrivilege	1696	sample.exe
Token: SeRestorePrivilege	1696	sample.exe
Token: SeSecurityPrivilege	1696	sample.exe
Token: SeSystemProfilePrivilege	1696	sample.exe
Token: SeTakeOwnershipPrivilege	1696	sample.exe
Token: SeShutdownPrivilege	1696	sample.exe
Token: SeBackupPrivilege	3764	vssvc.exe
Token: SeRestorePrivilege	3764	vssvc.exe
Token: SeAuditPrivilege	3764	vssvc.exe

C:\Users\Admin\AppData\Local\Temp\sample.exe
"C:\Users\Admin\AppData\Local\Temp\sample.exe"
1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1696

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3764

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2604

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Documents\oSPvdHTvI.README.txt
1⤵
- Opens file in notepad (likely ransom note)
PID:2704

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1

T1491

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\Documents\oSPvdHTvI.README.txt
MD5
f66968c47a64569e2281f65a95991be0

SHA1
ef9e3e80bfbea4c3021b226cb8cd00687013b8a8

SHA256
4b950c763006e7c4569df8742855cec31bf82f835bd7e2bdcb5f128db34c82bf

SHA512
cb4ace1b3e891ab100b3950c6bc133b216e91c8978a3af1ffd75617b606bb7ceb0133f44d37a30a827655e5b84b016d736a732f5f37635bb727e1a5b722cad24

Download Submit
memory/1696-114-0x0000000002993000-0x0000000002995000-memory.dmp

Filesize
8KB

Download
memory/1696-115-0x0000000002990000-0x0000000002991000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads