1b8621d6e97ce87a8a5664699d285f417a5a08c40fb658aac9178dc5a6d4826c

Analysis

max time kernel
5s
max time network
7s
platform
windows7_x64
resource
win7v20210410
submitted
28-05-2021 09:57

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General

Target

1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
Size

82KB
MD5

fe68d6631a5ed731e065858e78809da6
SHA1

2feb2430217ea991d6f034ed9e253e35b3bebc88
SHA256

1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514
SHA512

299863ee06b0803b6bc6385d964d464ca7393d8ff7445d9ce6ccf3aadf11ab1e6a0178931b2bfcefae5185d54205c712e867c4e2f88b22d3757c95100f7a2f62

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\\1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.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

1984 bcdedit.exe

pid	process
1984	bcdedit.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

reg.exe

pid process

1220 reg.exe
Runs net.exe

pid	process
1220	reg.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe

pid	process
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exeshutdown.exe

description	pid	process
Token: SeDebugPrivilege	1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
Token: SeShutdownPrivilege	1752	shutdown.exe
Token: SeRemoteShutdownPrivilege	1752	shutdown.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exenet.exe

description	pid	process	target process
PID 1100 wrote to memory of 1220	1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe	reg.exe
PID 1100 wrote to memory of 1220	1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe	reg.exe
PID 1100 wrote to memory of 1220	1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe	reg.exe
PID 1100 wrote to memory of 1984	1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe	bcdedit.exe
PID 1100 wrote to memory of 1984	1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe	bcdedit.exe
PID 1100 wrote to memory of 1984	1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe	bcdedit.exe
PID 1100 wrote to memory of 1972	1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe	reg.exe
PID 1100 wrote to memory of 1972	1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe	reg.exe
PID 1100 wrote to memory of 1972	1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe	reg.exe
PID 1100 wrote to memory of 1888	1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe	net.exe
PID 1100 wrote to memory of 1888	1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe	net.exe
PID 1100 wrote to memory of 1888	1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe	net.exe
PID 1100 wrote to memory of 1752	1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe	shutdown.exe
PID 1100 wrote to memory of 1752	1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe	shutdown.exe
PID 1100 wrote to memory of 1752	1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe	shutdown.exe
PID 1100 wrote to memory of 1728	1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe	powershell.exe
PID 1100 wrote to memory of 1728	1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe	powershell.exe
PID 1100 wrote to memory of 1728	1100	1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe	powershell.exe
PID 1888 wrote to memory of 1760	1888	net.exe	net1.exe
PID 1888 wrote to memory of 1760	1888	net.exe	net1.exe
PID 1888 wrote to memory of 1760	1888	net.exe	net1.exe

C:\Users\Admin\AppData\Local\Temp\1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe
"C:\Users\Admin\AppData\Local\Temp\1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe"
1⤵
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Windows\system32\reg.exe
  "reg.exe" delete HKLM\System\CurrentControlSet\Control\SafeBoot\Minimal\WinDefend /f
  2⤵
  - Modifies registry key
  PID:1220
- C:\Windows\system32\bcdedit.exe
  "bcdedit.exe" /set {default} safeboot network
  2⤵
  - Modifies boot configuration data using bcdedit
  PID:1984
- 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\1e189b1013b6fc1b32514c7ff98962fc49563b9027798e71bc7755a525530514.bin.sample.exe","C:\Windows\system32\userinit.exe" /f
  2⤵
  - Modifies WinLogon for persistence
  PID:1972
- C:\Windows\system32\net.exe
  "net.exe" user Admin ""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1888
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user Admin ""
    3⤵
    PID:1760
- C:\Windows\system32\shutdown.exe
  "shutdown.exe" /r /t 0
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1752
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Get-MpPreference -verbose
  2⤵
  PID:1728

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1568

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

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Downloads

memory/1100-73-0x000000001AA20000-0x000000001AA22000-memory.dmp

Filesize
8KB

Download
memory/1100-60-0x0000000000B60000-0x0000000000B61000-memory.dmp

Filesize
4KB

Download
memory/1220-62-0x0000000000000000-mapping.dmp

Download
memory/1568-76-0x00000000027C0000-0x00000000027C1000-memory.dmp

Filesize
4KB

Download
memory/1728-75-0x000000001AC04000-0x000000001AC06000-memory.dmp

Filesize
8KB

Download
memory/1728-74-0x000000001AC00000-0x000000001AC02000-memory.dmp

Filesize
8KB

Download
memory/1728-67-0x0000000000000000-mapping.dmp

Download
memory/1728-69-0x000007FEFBBF1000-0x000007FEFBBF3000-memory.dmp

Filesize
8KB

Download
memory/1728-71-0x00000000022F0000-0x00000000022F1000-memory.dmp

Filesize
4KB

Download
memory/1728-72-0x000000001AC80000-0x000000001AC81000-memory.dmp

Filesize
4KB

Download
memory/1752-66-0x0000000000000000-mapping.dmp

Download
memory/1760-68-0x0000000000000000-mapping.dmp

Download
memory/1888-65-0x0000000000000000-mapping.dmp

Download
memory/1972-64-0x0000000000000000-mapping.dmp

Download
memory/1984-63-0x0000000000000000-mapping.dmp

Download