5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa

Resubmissions

27/04/2022, 15:21

220427-srr6jaaha6 9

26/04/2022, 17:40

220426-v83dyahdcp 9

Analysis

max time kernel
15s
max time network
18s
platform
windows7_x64
resource
win7-20220414-en
submitted
27/04/2022, 15:21

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General

Target

5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe
Size

563KB
MD5

3f400f30415941348af21d515a2fc6a3
SHA1

bd0bf9c987288ca434221d7d81c54a47e913600a
SHA256

5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa
SHA512

0d4c3ee8807bbbf635ce2d1ce1b747c23cc2724ff999580169e5514c7c97109083bea169bd6a5f8be35f3b679bb8446839fcc7a38f78503658eda306bec69154

Score

9^/10

evasion ransomware

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

Modifies boot configuration data using bcdedit 1 TTPs 1 IoCs

ransomware evasion

Inhibit System Recovery

T1490

pid	Process
1620	bcdedit.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dlaksjdoiwq.jpg"	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe

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 2 IoCs

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

ransomware

File Deletion

T1107

Inhibit System Recovery

T1490

pid	Process
1724	vssadmin.exe
812	vssadmin.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.basta\DefaultIcon	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.basta	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.basta\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fkdjsadasd.ico"	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeBackupPrivilege	1744	vssvc.exe
Token: SeRestorePrivilege	1744	vssvc.exe
Token: SeAuditPrivilege	1744	vssvc.exe
Token: SeShutdownPrivilege	988	shutdown.exe
Token: SeRemoteShutdownPrivilege	988	shutdown.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 888 wrote to memory of 1312	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	28
PID 888 wrote to memory of 1312	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	28
PID 888 wrote to memory of 1312	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	28
PID 888 wrote to memory of 1312	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	28
PID 1312 wrote to memory of 1724	1312	cmd.exe	30
PID 1312 wrote to memory of 1724	1312	cmd.exe	30
PID 1312 wrote to memory of 1724	1312	cmd.exe	30
PID 1312 wrote to memory of 1724	1312	cmd.exe	30
PID 888 wrote to memory of 1240	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	33
PID 888 wrote to memory of 1240	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	33
PID 888 wrote to memory of 1240	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	33
PID 888 wrote to memory of 1240	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	33
PID 1240 wrote to memory of 812	1240	cmd.exe	35
PID 1240 wrote to memory of 812	1240	cmd.exe	35
PID 1240 wrote to memory of 812	1240	cmd.exe	35
PID 1240 wrote to memory of 812	1240	cmd.exe	35
PID 888 wrote to memory of 1808	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	37
PID 888 wrote to memory of 1808	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	37
PID 888 wrote to memory of 1808	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	37
PID 888 wrote to memory of 1808	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	37
PID 888 wrote to memory of 628	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	39
PID 888 wrote to memory of 628	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	39
PID 888 wrote to memory of 628	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	39
PID 888 wrote to memory of 628	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	39
PID 888 wrote to memory of 1360	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	41
PID 888 wrote to memory of 1360	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	41
PID 888 wrote to memory of 1360	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	41
PID 888 wrote to memory of 1360	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	41
PID 1360 wrote to memory of 1620	1360	cmd.exe	43
PID 1360 wrote to memory of 1620	1360	cmd.exe	43
PID 1360 wrote to memory of 1620	1360	cmd.exe	43
PID 1360 wrote to memory of 1620	1360	cmd.exe	43
PID 888 wrote to memory of 1036	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	44
PID 888 wrote to memory of 1036	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	44
PID 888 wrote to memory of 1036	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	44
PID 888 wrote to memory of 1036	888	5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe	44
PID 1036 wrote to memory of 988	1036	cmd.exe	46
PID 1036 wrote to memory of 988	1036	cmd.exe	46
PID 1036 wrote to memory of 988	1036	cmd.exe	46
PID 1036 wrote to memory of 988	1036	cmd.exe	46

C:\Users\Admin\AppData\Local\Temp\5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe
"C:\Users\Admin\AppData\Local\Temp\5d2204f3a20e163120f52a2e3595db19890050b2faa96c6cba6b094b0a52b0aa.exe"
1⤵
- Sets desktop wallpaper using registry
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:888
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1312
- - C:\Windows\system32\vssadmin.exe
    C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:1724
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\System32\vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1240
- - C:\Windows\SysWOW64\vssadmin.exe
    C:\Windows\System32\vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:812
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c bcdedit /set safeboot network
  2⤵
  PID:1808
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\System32\bcdedit.exe /set safeboot network
  2⤵
  PID:628
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\SysNative\bcdedit.exe /set safeboot network
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1360
- - C:\Windows\system32\bcdedit.exe
    C:\Windows\SysNative\bcdedit.exe /set safeboot network
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:1620
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C shutdown -r -f -t 0
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1036
- - C:\Windows\SysWOW64\shutdown.exe
    shutdown -r -f -t 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:988

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1744

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1600

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:1056

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

T1107

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

Inhibit System Recovery

T1490

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Downloads

memory/888-54-0x0000000075B61000-0x0000000075B63000-memory.dmp

Filesize
8KB

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memory/1600-65-0x000007FEFC0C1000-0x000007FEFC0C3000-memory.dmp

Filesize
8KB

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Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads