081f5e20e8714daab866fc9de69e2eda3282b1e46c538a01043ee786f35176d0

General

Target

8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.exe
Size

1.2MB
MD5

7e34c5bd27f25a1e1d47a27702708e28
SHA1

fb65ea1cc1d81a17effe16ecd2d10f34975a67d8
SHA256

8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01
SHA512

2b4099e3f15dfd6414c812e87c5f8cfd1926234012e6c67e71433bc4bed7c823ca6d19f8bb927d16ee8e32859b663a9cbccc890eedb3cdaebb8ec2c04784114f

Score

9^/10

persistence ransomware discovery exploit

Malware Config

Signatures

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

File Deletion
T1107

Inhibit System Recovery
T1490
Executes dropped EXE 2 IoCs

Processes:

Hivelist:binHivelist.exe

pid process

1084 Hivelist:bin
3448 Hivelist.exe

pid	process
1084	Hivelist:bin
3448	Hivelist.exe

Modifies extensions of user files 12 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Hivelist.exe

description	ioc	process
File created	C:\Users\Admin\Pictures\EditInvoke.tif.easy2lock_read_me	Hivelist.exe
File renamed	C:\Users\Admin\Pictures\EditInvoke.tif => C:\Users\Admin\Pictures\EditInvoke.tif.easy2lock	Hivelist.exe
File opened for modification	C:\Users\Admin\Pictures\EditInvoke.tif.easy2lock	Hivelist.exe
File renamed	C:\Users\Admin\Pictures\MountRequest.tiff => C:\Users\Admin\Pictures\MountRequest.tiff.easy2lock	Hivelist.exe
File opened for modification	C:\Users\Admin\Pictures\MountRequest.tiff.easy2lock	Hivelist.exe
File opened for modification	C:\Users\Admin\Pictures\SkipUpdate.png.easy2lock	Hivelist.exe
File created	C:\Users\Admin\Pictures\StopCompress.crw.easy2lock_read_me	Hivelist.exe
File created	C:\Users\Admin\Pictures\MountRequest.tiff.easy2lock_read_me	Hivelist.exe
File created	C:\Users\Admin\Pictures\SkipUpdate.png.easy2lock_read_me	Hivelist.exe
File renamed	C:\Users\Admin\Pictures\SkipUpdate.png => C:\Users\Admin\Pictures\SkipUpdate.png.easy2lock	Hivelist.exe
File renamed	C:\Users\Admin\Pictures\StopCompress.crw => C:\Users\Admin\Pictures\StopCompress.crw.easy2lock	Hivelist.exe
File opened for modification	C:\Users\Admin\Pictures\StopCompress.crw.easy2lock	Hivelist.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

2436 takeown.exe
2740 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

2436 takeown.exe
2740 icacls.exe

pid	process
2436	takeown.exe
2740	icacls.exe

pid	process
2436	takeown.exe
2740	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

Hivelist:binattrib.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Hivelist.exe	Hivelist:bin
File opened for modification	C:\Windows\SysWOW64\Hivelist.exe	attrib.exe

Modifies service 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

vssvc.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Registry Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5}	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\COM+ REGDB Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer	vssvc.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

Processes:

vssadmin.exe

pid process

1408 vssadmin.exe

pid	process
1408	vssadmin.exe

NTFS ADS 1 IoCs

Processes:

8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Hivelist:bin	8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1748 vssvc.exe
Token: SeRestorePrivilege 1748 vssvc.exe
Token: SeAuditPrivilege 1748 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	1748	vssvc.exe
Token: SeRestorePrivilege	1748	vssvc.exe
Token: SeAuditPrivilege	1748	vssvc.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.exeHivelist:binHivelist.execmd.execmd.execmd.exe

description	pid	process	target process
PID 3404 wrote to memory of 1084	3404	8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.exe	Hivelist:bin
PID 3404 wrote to memory of 1084	3404	8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.exe	Hivelist:bin
PID 3404 wrote to memory of 1084	3404	8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.exe	Hivelist:bin
PID 1084 wrote to memory of 1408	1084	Hivelist:bin	vssadmin.exe
PID 1084 wrote to memory of 1408	1084	Hivelist:bin	vssadmin.exe
PID 1084 wrote to memory of 2436	1084	Hivelist:bin	takeown.exe
PID 1084 wrote to memory of 2436	1084	Hivelist:bin	takeown.exe
PID 1084 wrote to memory of 2436	1084	Hivelist:bin	takeown.exe
PID 1084 wrote to memory of 2740	1084	Hivelist:bin	icacls.exe
PID 1084 wrote to memory of 2740	1084	Hivelist:bin	icacls.exe
PID 1084 wrote to memory of 2740	1084	Hivelist:bin	icacls.exe
PID 3448 wrote to memory of 3876	3448	Hivelist.exe	cmd.exe
PID 3448 wrote to memory of 3876	3448	Hivelist.exe	cmd.exe
PID 3448 wrote to memory of 3876	3448	Hivelist.exe	cmd.exe
PID 3876 wrote to memory of 2328	3876	cmd.exe	choice.exe
PID 3876 wrote to memory of 2328	3876	cmd.exe	choice.exe
PID 3876 wrote to memory of 2328	3876	cmd.exe	choice.exe
PID 1084 wrote to memory of 2592	1084	Hivelist:bin	cmd.exe
PID 1084 wrote to memory of 2592	1084	Hivelist:bin	cmd.exe
PID 1084 wrote to memory of 2592	1084	Hivelist:bin	cmd.exe
PID 3404 wrote to memory of 3792	3404	8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.exe	cmd.exe
PID 3404 wrote to memory of 3792	3404	8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.exe	cmd.exe
PID 3404 wrote to memory of 3792	3404	8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.exe	cmd.exe
PID 2592 wrote to memory of 2148	2592	cmd.exe	choice.exe
PID 2592 wrote to memory of 2148	2592	cmd.exe	choice.exe
PID 2592 wrote to memory of 2148	2592	cmd.exe	choice.exe
PID 3792 wrote to memory of 260	3792	cmd.exe	choice.exe
PID 3792 wrote to memory of 260	3792	cmd.exe	choice.exe
PID 3792 wrote to memory of 260	3792	cmd.exe	choice.exe
PID 3876 wrote to memory of 1652	3876	cmd.exe	attrib.exe
PID 3876 wrote to memory of 1652	3876	cmd.exe	attrib.exe
PID 3876 wrote to memory of 1652	3876	cmd.exe	attrib.exe
PID 2592 wrote to memory of 1640	2592	cmd.exe	attrib.exe
PID 2592 wrote to memory of 1640	2592	cmd.exe	attrib.exe
PID 2592 wrote to memory of 1640	2592	cmd.exe	attrib.exe
PID 3792 wrote to memory of 1508	3792	cmd.exe	attrib.exe
PID 3792 wrote to memory of 1508	3792	cmd.exe	attrib.exe
PID 3792 wrote to memory of 1508	3792	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 3 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exeattrib.exe

pid process

1652 attrib.exe
1640 attrib.exe
1508 attrib.exe

pid	process
1652	attrib.exe
1640	attrib.exe
1508	attrib.exe

C:\Users\Admin\AppData\Local\Temp\8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.exe
"C:\Users\Admin\AppData\Local\Temp\8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.exe"
1⤵
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:3404

C:\Users\Admin\AppData\Roaming\Hivelist:bin
C:\Users\Admin\AppData\Roaming\Hivelist:bin -r
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1084

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
3⤵
- Interacts with shadow copies
PID:1408

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /F C:\Windows\system32\Hivelist.exe
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2436

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe C:\Windows\system32\Hivelist.exe /reset
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2740

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Roaming\Hivelist" & del "C:\Users\Admin\AppData\Roaming\Hivelist"
3⤵
- Suspicious use of WriteProcessMemory
PID:2592

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
4⤵
PID:2148

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Roaming\Hivelist"
4⤵
- Views/modifies file attributes
PID:1640

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.exe" & del "C:\Users\Admin\AppData\Local\Temp\8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3792

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:260

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Local\Temp\8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.exe"
3⤵
- Views/modifies file attributes
PID:1508

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:1748

C:\Windows\SysWOW64\Hivelist.exe
C:\Windows\SysWOW64\Hivelist.exe -s
1⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
PID:3448

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Windows\SysWOW64\Hivelist.exe" & del "C:\Windows\SysWOW64\Hivelist.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3876

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:2328

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Windows\SysWOW64\Hivelist.exe"
3⤵
- Drops file in System32 directory
- Views/modifies file attributes
PID:1652

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

File Permissions Modification

1

T1222

Modify Registry

1

T1112

Hidden Files and Directories

1

T1158

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

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Downloads

C:\Users\Admin\AppData\Roaming\Hivelist:bin
MD5
7e34c5bd27f25a1e1d47a27702708e28

SHA1
fb65ea1cc1d81a17effe16ecd2d10f34975a67d8

SHA256
8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01

SHA512
2b4099e3f15dfd6414c812e87c5f8cfd1926234012e6c67e71433bc4bed7c823ca6d19f8bb927d16ee8e32859b663a9cbccc890eedb3cdaebb8ec2c04784114f

Download Submit
C:\Users\Admin\AppData\Roaming\Hivelist:bin
MD5
7e34c5bd27f25a1e1d47a27702708e28

SHA1
fb65ea1cc1d81a17effe16ecd2d10f34975a67d8

SHA256
8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01

SHA512
2b4099e3f15dfd6414c812e87c5f8cfd1926234012e6c67e71433bc4bed7c823ca6d19f8bb927d16ee8e32859b663a9cbccc890eedb3cdaebb8ec2c04784114f

Download Submit
C:\Windows\SysWOW64\Hivelist.exe
MD5
7e34c5bd27f25a1e1d47a27702708e28

SHA1
fb65ea1cc1d81a17effe16ecd2d10f34975a67d8

SHA256
8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01

SHA512
2b4099e3f15dfd6414c812e87c5f8cfd1926234012e6c67e71433bc4bed7c823ca6d19f8bb927d16ee8e32859b663a9cbccc890eedb3cdaebb8ec2c04784114f

Download Submit
C:\Windows\SysWOW64\Hivelist.exe
MD5
7e34c5bd27f25a1e1d47a27702708e28

SHA1
fb65ea1cc1d81a17effe16ecd2d10f34975a67d8

SHA256
8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01

SHA512
2b4099e3f15dfd6414c812e87c5f8cfd1926234012e6c67e71433bc4bed7c823ca6d19f8bb927d16ee8e32859b663a9cbccc890eedb3cdaebb8ec2c04784114f

Download Submit
memory/260-13-0x0000000000000000-mapping.dmp

Download
memory/1084-0-0x0000000000000000-mapping.dmp

Download
memory/1408-3-0x0000000000000000-mapping.dmp

Download
memory/1508-16-0x0000000000000000-mapping.dmp

Download
memory/1640-15-0x0000000000000000-mapping.dmp

Download
memory/1652-14-0x0000000000000000-mapping.dmp

Download
memory/2148-12-0x0000000000000000-mapping.dmp

Download
memory/2328-9-0x0000000000000000-mapping.dmp

Download
memory/2436-4-0x0000000000000000-mapping.dmp

Download
memory/2592-10-0x0000000000000000-mapping.dmp

Download
memory/2740-6-0x0000000000000000-mapping.dmp

Download
memory/3792-11-0x0000000000000000-mapping.dmp

Download
memory/3876-8-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads