Analysis
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max time kernel
119s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
14/03/2024, 04:13
Behavioral task
behavioral1
Sample
66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02.exe
Resource
win10v2004-20240226-en
General
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Target
66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02.exe
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Size
142KB
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MD5
290ee6b6f6b2a5f0899a6f35073f8eb4
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SHA1
4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0
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SHA256
66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02
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SHA512
44099b230b8a9bf96282b97c3de9c7acb3cbeceb5d973219b27f84faea0d47ec7290ee93d8cab95342489e0ece89301aa37782cb37c608dbafc2c51765a4f713
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SSDEEP
3072:0dFLWuuHITVFQpzfYP2IXNoj9VnPvJKCMq8DAGmMN0:6uHCFezQeIXNg9VPvJRK3mMN0
Malware Config
Signatures
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Lockbit
Ransomware family with multiple variants released since late 2019.
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Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
resource yara_rule behavioral1/memory/1680-0-0x0000000000400000-0x0000000000427000-memory.dmp family_lockbit -
Program crash 1 IoCs
pid pid_target Process procid_target 2160 1680 WerFault.exe 27 -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1680 wrote to memory of 2160 1680 66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02.exe 28 PID 1680 wrote to memory of 2160 1680 66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02.exe 28 PID 1680 wrote to memory of 2160 1680 66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02.exe 28 PID 1680 wrote to memory of 2160 1680 66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02.exe"C:\Users\Admin\AppData\Local\Temp\66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 882⤵
- Program crash
PID:2160
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