lockbit | b711d6247a467d516c23151639608177e37c80e80d09d6afd4766a7daac1637e

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/01/2025, 08:19

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General

Target

{04830965-76E6-6A9A-8EE1-6AF7499C1D08}.zip
Size

160KB
MD5

ba9ad420b3560110b323b1145212fa0f
SHA1

37c0b397385c14c181f9d29dde39996a0394cbe9
SHA256

b711d6247a467d516c23151639608177e37c80e80d09d6afd4766a7daac1637e
SHA512

20a8baf51e11ab081be713166e2f48884f200a019b571816ea93c7f86d125e6fdbb1e892f7765b2f6c36aa800c913970ad0e59bef94d3c56f9a88a3b2c7541fd
SSDEEP

3072:93FuyHZtF389cNNTK5rX81YVvyeH83xqemprWMvhD6O7PMshMaeT8oBP:9c6FsWNNTUrsmt5chhmYsl6O7PMYjA8a

Score

10^/10

lockbit discovery 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 3 IoCs

resource	yara_rule
behavioral2/files/0x000200000001e77e-2.dat	family_lockbit
behavioral2/memory/776-3-0x0000000000400000-0x000000000042C000-memory.dmp	family_lockbit
behavioral2/memory/776-5-0x0000000000400000-0x000000000042C000-memory.dmp	family_lockbit

Executes dropped EXE 2 IoCs

pid	Process
776	{04830965-76E6-6A9A-8EE1-6AF7499C1D08}.exe
3852	{04830965-76E6-6A9A-8EE1-6AF7499C1D08}.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2264	776	WerFault.exe	94
4004	3852	WerFault.exe	99

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	{04830965-76E6-6A9A-8EE1-6AF7499C1D08}.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	7zFM.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	7zFM.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3780	7zFM.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	3780	7zFM.exe
Token: 35	3780	7zFM.exe
Token: SeSecurityPrivilege	3780	7zFM.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3780	7zFM.exe
3780	7zFM.exe

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\{04830965-76E6-6A9A-8EE1-6AF7499C1D08}.zip"
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3780

C:\Users\Admin\Desktop\{04830965-76E6-6A9A-8EE1-6AF7499C1D08}.exe
"C:\Users\Admin\Desktop\{04830965-76E6-6A9A-8EE1-6AF7499C1D08}.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:776
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 776 -s 252
  2⤵
  - Program crash
  PID:2264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 776 -ip 776
1⤵
PID:2780

C:\Users\Admin\Desktop\{04830965-76E6-6A9A-8EE1-6AF7499C1D08}.exe
"C:\Users\Admin\Desktop\{04830965-76E6-6A9A-8EE1-6AF7499C1D08}.exe"
1⤵
- Executes dropped EXE
PID:3852
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3852 -s 224
  2⤵
  - Program crash
  PID:4004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3852 -ip 3852
1⤵
PID:3480

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Desktop\{04830965-76E6-6A9A-8EE1-6AF7499C1D08}.exe

Filesize
162KB

MD5
38745539b71cf201bb502437f891d799

SHA1
f2a72bee623659d3ba16b365024020868246d901

SHA256
80e8defa5377018b093b5b90de0f2957f7062144c83a09a56bba1fe4eda932ce

SHA512
772e76757069c3375cf1ffd659ff03f47f2d4becae61a852adbc27ae467551210d8832994f944c05fccc8486a8a88322021c94217a8bd962c2459af41067132b

Download Submit
memory/776-3-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/776-5-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download