e26b2ffb2ee711fc7b04d62911580560794ee4fa9b7fcfade65ee6ff2eed0274

Resubmissions

21/06/2022, 11:45

220621-nwv1rsfeg2 10

01/06/2022, 14:14

220601-rjzpzacfhn 10

Analysis

max time kernel
91s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21/06/2022, 11:45

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General

Target

z7w3x.exe
Size

621KB
MD5

753585e5e099b192cf8d7593dd5ef4bf
SHA1

68c5d6b38c9dd9e9e1e888386025352811147028
SHA256

e26b2ffb2ee711fc7b04d62911580560794ee4fa9b7fcfade65ee6ff2eed0274
SHA512

de96554eaa3971672f05228d26fc6cbe98c8a5b31d35b21c92256c4dfee24ec81a708d601e0be4b80a0a365f620e4b0582f6fcc950f29df2ed6233c8314494ce

Score

10^/10

discovery persistence ransomware

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\Horse.txt

Ransom Note

::: Hello my dear friend ::: Unfortunately for you, a major IT security weakness left you open to attack, your files have been encrypted If you want to restore them,write to our skype - HORSEMAGYAR DECRYPTION Also you can write ICQ live chat which works 24/7 @HORSEMAGYAR Install ICQ software on your PC https://icq.com/windows/ or on your mobile phone search in Appstore / Google market ICQ Write to our ICQ @HORSEMAGYAR https://icq.im/HORSEMAGYAR If we not reply in 6 hours you can write to our mail but use it only if previous methods not working - [email protected] Attention! * Do not rename encrypted files. * Do not try to decrypt your data using third party software, it may cause permanent data loss. * We are always ready to cooperate and find the best way to solve your problem. * The faster you write, the more favorable the conditions will be for you. * Our company values its reputation. We give all guarantees of your files decryption,such as test decryption some of them We respect your time and waiting for respond from your side tell your MachineID: VEXXSEPUWU and LaunchID: ead01e9ac6 Sensitive data on your system was DOWNLOADED. If you DON'T WANT your sensitive data to be PUBLISHED you have to act quickly. Data includes: - Employees personal data, CVs, DL, SSN. - Complete network map including credentials for local and remote services. - Private financial information including: clients data, bills, budgets, annual reports, bank statements. - Manufacturing documents including: datagrams, schemas, drawings in solidworks format - And more...

Emails

[email protected]

URLs

https://icq.com/windows/

https://icq.im/HORSEMAGYAR

Signatures

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

File Deletion
T1107

Inhibit System Recovery
T1490

Modifies extensions of user files 2 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\LimitGrant.tiff	z7w3x.exe
File opened for modification	C:\Users\Admin\Pictures\InitializeProtect.tiff	z7w3x.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-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	z7w3x.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3372	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows\CurrentVersion\Run	z7w3x.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSFEEditor = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\z7w3x.exe\" e"	z7w3x.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	\??\E:\$RECYCLE.BIN\S-1-5-21-2632097139-1792035885-811742494-1000\desktop.ini	z7w3x.exe

Enumerates connected drives 3 TTPs 2 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

description	ioc	Process
File opened (read-only)	\??\D:	z7w3x.exe
File opened (read-only)	\??\E:	z7w3x.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4240	sc.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2484	timeout.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3164	powershell.exe
3164	powershell.exe
1188	z7w3x.exe
1188	z7w3x.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1132	wmic.exe
Token: SeSecurityPrivilege	1132	wmic.exe
Token: SeTakeOwnershipPrivilege	1132	wmic.exe
Token: SeLoadDriverPrivilege	1132	wmic.exe
Token: SeSystemProfilePrivilege	1132	wmic.exe
Token: SeSystemtimePrivilege	1132	wmic.exe
Token: SeProfSingleProcessPrivilege	1132	wmic.exe
Token: SeIncBasePriorityPrivilege	1132	wmic.exe
Token: SeCreatePagefilePrivilege	1132	wmic.exe
Token: SeBackupPrivilege	1132	wmic.exe
Token: SeRestorePrivilege	1132	wmic.exe
Token: SeShutdownPrivilege	1132	wmic.exe
Token: SeDebugPrivilege	1132	wmic.exe
Token: SeSystemEnvironmentPrivilege	1132	wmic.exe
Token: SeRemoteShutdownPrivilege	1132	wmic.exe
Token: SeUndockPrivilege	1132	wmic.exe
Token: SeManageVolumePrivilege	1132	wmic.exe
Token: 33	1132	wmic.exe
Token: 34	1132	wmic.exe
Token: 35	1132	wmic.exe
Token: 36	1132	wmic.exe
Token: SeIncreaseQuotaPrivilege	1132	wmic.exe
Token: SeSecurityPrivilege	1132	wmic.exe
Token: SeTakeOwnershipPrivilege	1132	wmic.exe
Token: SeLoadDriverPrivilege	1132	wmic.exe
Token: SeSystemProfilePrivilege	1132	wmic.exe
Token: SeSystemtimePrivilege	1132	wmic.exe
Token: SeProfSingleProcessPrivilege	1132	wmic.exe
Token: SeIncBasePriorityPrivilege	1132	wmic.exe
Token: SeCreatePagefilePrivilege	1132	wmic.exe
Token: SeBackupPrivilege	1132	wmic.exe
Token: SeRestorePrivilege	1132	wmic.exe
Token: SeShutdownPrivilege	1132	wmic.exe
Token: SeDebugPrivilege	1132	wmic.exe
Token: SeSystemEnvironmentPrivilege	1132	wmic.exe
Token: SeRemoteShutdownPrivilege	1132	wmic.exe
Token: SeUndockPrivilege	1132	wmic.exe
Token: SeManageVolumePrivilege	1132	wmic.exe
Token: 33	1132	wmic.exe
Token: 34	1132	wmic.exe
Token: 35	1132	wmic.exe
Token: 36	1132	wmic.exe
Token: SeBackupPrivilege	4120	vssvc.exe
Token: SeRestorePrivilege	4120	vssvc.exe
Token: SeAuditPrivilege	4120	vssvc.exe
Token: SeDebugPrivilege	3164	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1188 wrote to memory of 5032	1188	z7w3x.exe	80
PID 1188 wrote to memory of 5032	1188	z7w3x.exe	80
PID 1188 wrote to memory of 5032	1188	z7w3x.exe	80
PID 5032 wrote to memory of 4108	5032	net.exe	83
PID 5032 wrote to memory of 4108	5032	net.exe	83
PID 5032 wrote to memory of 4108	5032	net.exe	83
PID 1188 wrote to memory of 4240	1188	z7w3x.exe	84
PID 1188 wrote to memory of 4240	1188	z7w3x.exe	84
PID 1188 wrote to memory of 4240	1188	z7w3x.exe	84
PID 1188 wrote to memory of 1132	1188	z7w3x.exe	86
PID 1188 wrote to memory of 1132	1188	z7w3x.exe	86
PID 1188 wrote to memory of 1132	1188	z7w3x.exe	86
PID 1188 wrote to memory of 3372	1188	z7w3x.exe	90
PID 1188 wrote to memory of 3372	1188	z7w3x.exe	90
PID 1188 wrote to memory of 3372	1188	z7w3x.exe	90
PID 1188 wrote to memory of 3164	1188	z7w3x.exe	92
PID 1188 wrote to memory of 3164	1188	z7w3x.exe	92
PID 1188 wrote to memory of 3164	1188	z7w3x.exe	92
PID 1188 wrote to memory of 2172	1188	z7w3x.exe	95
PID 1188 wrote to memory of 2172	1188	z7w3x.exe	95
PID 1188 wrote to memory of 2172	1188	z7w3x.exe	95
PID 2172 wrote to memory of 2484	2172	cmd.exe	97
PID 2172 wrote to memory of 2484	2172	cmd.exe	97
PID 2172 wrote to memory of 2484	2172	cmd.exe	97

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1"	z7w3x.exe

C:\Users\Admin\AppData\Local\Temp\z7w3x.exe
"C:\Users\Admin\AppData\Local\Temp\z7w3x.exe"
1⤵
- Modifies extensions of user files
- Checks computer location settings
- Adds Run key to start application
- Drops desktop.ini file(s)
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1188
- C:\Windows\SysWOW64\net.exe
  net stop VSS & sc config VSS start= disabled
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5032
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop VSS & sc config VSS start= disabled
    3⤵
    PID:4108
- C:\Windows\SysWOW64\sc.exe
  sc config VSS start= Demand & net start VSS
  2⤵
  - Launches sc.exe
  PID:4240
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic.exe SHADOWCOPY delete /nointeractive
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1132
- C:\Windows\SysWOW64\icacls.exe
  icacls.exe "{A-Z}:" /grant {Username}:F /T /C /Q
  2⤵
  - Modifies file permissions
  PID:3372
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -command "Get-WmiObject Win32_Shadowcopy | ForEach-Object {$_.Delete();}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3164
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c timeout 1 && del "C:\Users\Admin\AppData\Local\Temp\z7w3x.exe" >> NUL
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2172
- - C:\Windows\SysWOW64\timeout.exe
    timeout 1
    3⤵
    - Delays execution with timeout.exe
    PID:2484

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4120

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File Deletion

T1107

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

memory/3164-142-0x0000000007500000-0x0000000007596000-memory.dmp

Filesize
600KB

Download
memory/3164-140-0x0000000005E90000-0x0000000005EF6000-memory.dmp

Filesize
408KB

Download
memory/3164-136-0x0000000004FA0000-0x0000000004FD6000-memory.dmp

Filesize
216KB

Download
memory/3164-137-0x0000000005610000-0x0000000005C38000-memory.dmp

Filesize
6.2MB

Download
memory/3164-138-0x0000000005580000-0x00000000055A2000-memory.dmp

Filesize
136KB

Download
memory/3164-139-0x0000000005DB0000-0x0000000005E16000-memory.dmp

Filesize
408KB

Download
memory/3164-145-0x0000000007B50000-0x00000000080F4000-memory.dmp

Filesize
5.6MB

Download
memory/3164-141-0x0000000006520000-0x000000000653E000-memory.dmp

Filesize
120KB

Download
memory/3164-144-0x0000000006A50000-0x0000000006A72000-memory.dmp

Filesize
136KB

Download
memory/3164-143-0x00000000069E0000-0x00000000069FA000-memory.dmp

Filesize
104KB

Download