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/2884-15-0x0000000010000000-0x0000000010022000-memory.dmp	family_lockbit

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2208	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
2208	powershell.exe
2208	powershell.exe
2208	powershell.exe
2884	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	powershell.exe
Token: SeDebugPrivilege	2884	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2884	2208	powershell.exe	31
PID 2208 wrote to memory of 2884	2208	powershell.exe	31
PID 2208 wrote to memory of 2884	2208	powershell.exe	31
PID 2208 wrote to memory of 2884	2208	powershell.exe	31
PID 2884 wrote to memory of 2696	2884	powershell.exe	33
PID 2884 wrote to memory of 2696	2884	powershell.exe	33
PID 2884 wrote to memory of 2696	2884	powershell.exe	33
PID 2884 wrote to memory of 2696	2884	powershell.exe	33

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:2208
- 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:2884
- - C:\Windows\SysWOW64\wermgr.exe
    "C:\Windows\system32\wermgr.exe" "-outproc" "2884" "860"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2696

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\OutofProcReport259509667.txt

Filesize
1KB

MD5
78965e1e54602dceeb0a6de4ca31d11f

SHA1
c6a3bd8dacc31dc23fec7cf203e1630130619251

SHA256
609bdee47bf11ba8d8cb4784dd85c93d785f551d69b29f35623afd1dc3b967cd

SHA512
826b25eef58061cb5e2e3ee464f1d3698ebafbbe9e76a0704ad2d563eb17a70adb1e2cb9a529b71fcafa9758e2043661255e55a6b38fd6fb5e6dde49f61080d6

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\X51OSC2CVDXVF8NYKPRV.temp

Filesize
7KB

MD5
b3dc452f11282263846e14b9cb46be60

SHA1
688ce6575e377f1377d6c9c0826ed08b03124436

SHA256
45d11ec212583856b608b941f841c67100976de5484fa811f17877ed964be023

SHA512
4bdb3463a92f32d10ed0adc0731e47647f49649098275b6cc5c97b81b658ee2db17d294c272715db8185ad9e2b4a5516482072d0bd1a2d0054d67f5f3775c8c8

Download Submit
memory/2208-4-0x000007FEF581E000-0x000007FEF581F000-memory.dmp

Filesize
4KB

Download
memory/2208-5-0x000000001B220000-0x000000001B502000-memory.dmp

Filesize
2.9MB

Download
memory/2208-6-0x0000000002490000-0x0000000002498000-memory.dmp

Filesize
32KB

Download
memory/2208-7-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2208-8-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2208-9-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2208-10-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2208-11-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2208-12-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2884-15-0x0000000010000000-0x0000000010022000-memory.dmp

Filesize
136KB

Download

Analysis

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