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
behavioral2/memory/3728-62-0x0000000010000000-0x0000000010022000-memory.dmp	family_lockbit

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3116	powershell.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2744	3728	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 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	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3116	powershell.exe
3116	powershell.exe
3728	powershell.exe
3728	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3116	powershell.exe
Token: SeDebugPrivilege	3728	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3116 wrote to memory of 3728	3116	powershell.exe	83
PID 3116 wrote to memory of 3728	3116	powershell.exe	83
PID 3116 wrote to memory of 3728	3116	powershell.exe	83

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:3116
- 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
  PID:3728
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 2948
    3⤵
    - Program crash
    PID:2744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3728 -ip 3728
1⤵
PID:1960

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
ca6e5843fe0f30068ddef94b0b542eca

SHA1
1527177e5ccfe0041918840613af104d2ba8a1c8

SHA256
2655330566a9953364d9e13e939b3938e96a7b752d4f65f9586841b777ef137a

SHA512
3296343e54290ae3c86d7f2deac6fe3e98a0b63428132aea9ae9b1d17805c7cadea183245e7ae9ee2d785430565989f0cd27a49600e7d8c61db66d151450b0e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ghu45zvt.x41.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3116-1-0x00000239CDDB0000-0x00000239CDDD2000-memory.dmp

Filesize
136KB

Download
memory/3116-11-0x00007FF857520000-0x00007FF857FE1000-memory.dmp

Filesize
10.8MB

Download
memory/3116-12-0x00007FF857520000-0x00007FF857FE1000-memory.dmp

Filesize
10.8MB

Download
memory/3116-13-0x00007FF857520000-0x00007FF857FE1000-memory.dmp

Filesize
10.8MB

Download
memory/3116-16-0x00007FF857520000-0x00007FF857FE1000-memory.dmp

Filesize
10.8MB

Download
memory/3116-0-0x00007FF857523000-0x00007FF857525000-memory.dmp

Filesize
8KB

Download
memory/3728-37-0x0000000007460000-0x0000000007ADA000-memory.dmp

Filesize
6.5MB

Download
memory/3728-40-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/3728-20-0x0000000004BF0000-0x0000000005218000-memory.dmp

Filesize
6.2MB

Download
memory/3728-21-0x0000000004AF0000-0x0000000004B12000-memory.dmp

Filesize
136KB

Download
memory/3728-22-0x0000000005320000-0x0000000005386000-memory.dmp

Filesize
408KB

Download
memory/3728-23-0x0000000005390000-0x00000000053F6000-memory.dmp

Filesize
408KB

Download
memory/3728-33-0x00000000054A0000-0x00000000057F4000-memory.dmp

Filesize
3.3MB

Download
memory/3728-18-0x00000000024F0000-0x0000000002526000-memory.dmp

Filesize
216KB

Download
memory/3728-35-0x0000000005AA0000-0x0000000005ABE000-memory.dmp

Filesize
120KB

Download
memory/3728-36-0x0000000005AE0000-0x0000000005B2C000-memory.dmp

Filesize
304KB

Download
memory/3728-17-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

Filesize
4KB

Download
memory/3728-38-0x0000000006050000-0x000000000606A000-memory.dmp

Filesize
104KB

Download
memory/3728-39-0x0000000006D60000-0x0000000006D92000-memory.dmp

Filesize
200KB

Download
memory/3728-19-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/3728-42-0x0000000070CE0000-0x0000000071034000-memory.dmp

Filesize
3.3MB

Download
memory/3728-52-0x0000000006DA0000-0x0000000006DBE000-memory.dmp

Filesize
120KB

Download
memory/3728-53-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/3728-41-0x0000000070B50000-0x0000000070B9C000-memory.dmp

Filesize
304KB

Download
memory/3728-54-0x0000000006DE0000-0x0000000006E83000-memory.dmp

Filesize
652KB

Download
memory/3728-55-0x0000000006EE0000-0x0000000006EEA000-memory.dmp

Filesize
40KB

Download
memory/3728-56-0x0000000007100000-0x0000000007196000-memory.dmp

Filesize
600KB

Download
memory/3728-57-0x0000000007060000-0x0000000007071000-memory.dmp

Filesize
68KB

Download
memory/3728-58-0x0000000007080000-0x000000000708E000-memory.dmp

Filesize
56KB

Download
memory/3728-59-0x0000000007090000-0x00000000070A4000-memory.dmp

Filesize
80KB

Download
memory/3728-60-0x00000000070D0000-0x00000000070EA000-memory.dmp

Filesize
104KB

Download
memory/3728-61-0x00000000070C0000-0x00000000070C8000-memory.dmp

Filesize
32KB

Download
memory/3728-62-0x0000000010000000-0x0000000010022000-memory.dmp

Filesize
136KB

Download
memory/3728-67-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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