lockbit | 6adb8f7da4d7ff92c40f0f8231c7469865b170b440be5f2789724a2abe005b30

General

Target

6adb8f7da4d7ff92c40f0f8231c7469865b170b440be5f2789724a2abe005b30.ps1
Size

590KB
MD5

2b84852065e28974e4081826ff09ddc1
SHA1

fa70a7f2a36ba300f57b130a31ef1ab66a1397ac
SHA256

6adb8f7da4d7ff92c40f0f8231c7469865b170b440be5f2789724a2abe005b30
SHA512

63f44bc545a7b7da355903f99dcbfd0033756f41717bc9b210bdc2094f97c2efa68dee814d03e392d94e579ae170e16ef447f86b07363b1fedffa7c7d3b54ce1
SSDEEP

1536:Kk0H/lFq+N1mfoRlNyjZk11iBQcIY1Y+qFMJFOgvZ/wpKDcalOGODPNTbJYj6CJw:cR

Score

10^/10

lockbit discovery execution ransomware

Malware Config

Signatures

Lockbit
Ransomware family with multiple variants released since late 2019.
ransomware lockbit
Lockbit family
lockbit

Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs

resource	yara_rule
behavioral1/memory/2348-15-0x0000000010000000-0x0000000010022000-memory.dmp	family_lockbit

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2872	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wermgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2872	powershell.exe
2872	powershell.exe
2872	powershell.exe
2348	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2872	powershell.exe
Token: SeDebugPrivilege	2348	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2348	2872	powershell.exe	29
PID 2872 wrote to memory of 2348	2872	powershell.exe	29
PID 2872 wrote to memory of 2348	2872	powershell.exe	29
PID 2872 wrote to memory of 2348	2872	powershell.exe	29
PID 2348 wrote to memory of 2356	2348	powershell.exe	31
PID 2348 wrote to memory of 2356	2348	powershell.exe	31
PID 2348 wrote to memory of 2356	2348	powershell.exe	31
PID 2348 wrote to memory of 2356	2348	powershell.exe	31

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\6adb8f7da4d7ff92c40f0f8231c7469865b170b440be5f2789724a2abe005b30.ps1
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -ex bypass -nonI C:\Users\Admin\AppData\Local\Temp\6adb8f7da4d7ff92c40f0f8231c7469865b170b440be5f2789724a2abe005b30.ps1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Windows\SysWOW64\wermgr.exe
    "C:\Windows\system32\wermgr.exe" "-outproc" "2348" "960"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\OutofProcReport259435941.txt

Filesize
1KB

MD5
04b12f7951d04bb46423c9ef9176ac33

SHA1
c19753112d5e87ace8e4b118de924699060b2c61

SHA256
56a91ed18183ea08ea502c8bceaeb8d524fc2da95b74aa2f11c077c95bc7ee66

SHA512
808f74fbe3854f0832c0e8bba7dd02c54abdb64a95e579a052587b41ace7f6bd44a6e55ffbb5726eb746180207d521b2f694c86d06e2e3b4e35a35dded79206a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\NSVO5V67KFNHU7V6N6Q9.temp

Filesize
7KB

MD5
40022169eea8bbd5732a5ffaeff5d2d7

SHA1
044efe2133757b08b0fc46675711305800bb5010

SHA256
3b7ea7bb1292a552c4b547c9bb86fb608d1b82aa85359d914795ccccb73168cb

SHA512
53808a2c067cd1b66b816971fb85207aabc2f487a6f43d13d8c4c781e0255a2e7daaf90464625be947048ee8fa199919f625e63e2dbfad90f38274612bfd523e

Download Submit
memory/2348-15-0x0000000010000000-0x0000000010022000-memory.dmp

Filesize
136KB

Download
memory/2872-4-0x000007FEF59DE000-0x000007FEF59DF000-memory.dmp

Filesize
4KB

Download
memory/2872-5-0x000000001B770000-0x000000001BA52000-memory.dmp

Filesize
2.9MB

Download
memory/2872-6-0x00000000027A0000-0x00000000027A8000-memory.dmp

Filesize
32KB

Download
memory/2872-7-0x000007FEF5720000-0x000007FEF60BD000-memory.dmp

Filesize
9.6MB

Download
memory/2872-8-0x000007FEF5720000-0x000007FEF60BD000-memory.dmp

Filesize
9.6MB

Download
memory/2872-9-0x000007FEF5720000-0x000007FEF60BD000-memory.dmp

Filesize
9.6MB

Download
memory/2872-10-0x000007FEF5720000-0x000007FEF60BD000-memory.dmp

Filesize
9.6MB

Download
memory/2872-11-0x000007FEF5720000-0x000007FEF60BD000-memory.dmp

Filesize
9.6MB

Download
memory/2872-12-0x000007FEF5720000-0x000007FEF60BD000-memory.dmp

Filesize
9.6MB

Download

Analysis

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