Analysis
- max time kernel
150s - max time network
167s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
07/11/2022, 20:03
Static task
static1
Behavioral task
behavioral1
Sample
a23b58b449ef923cdd4ed078043b6052c4846ed01a7a7246aabda840a7975eb5.exe
Resource
win7-20220812-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
a23b58b449ef923cdd4ed078043b6052c4846ed01a7a7246aabda840a7975eb5.exe
Resource
win10v2004-20220812-en
4 signatures
150 seconds
General
- Target a23b58b449ef923cdd4ed078043b6052c4846ed01a7a7246aabda840a7975eb5.exe
- Size 29KB
- Sample221107-ys52nshffn
- SHA256 a23b58b449ef923cdd4ed078043b6052c4846ed01a7a7246aabda840a7975eb5
- MD5 0e14b65f9be6713e8f7857d298475da9
- SHA1 d007555f5c324f5e0f7e88a24ec6ca96a22419cd
- SHA512 763d462343d12da9a06466644050f08c6086663b848e7db7a2daad9672d235f93206b65048b74ec55f1afa55f50e3c78cb6ab083ed8df4ac1f40ae1753eace5f
- SSDEEP 768:XTVUOMgSygAVL48bDxPN7LxdGIAfoT/bmyfSA+P:GOjL40LEi3
- MD5 SHA1 SHA512 SSDEEP
Score
8/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2240 Laofan.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Internet Explorer\Laofan.exe a23b58b449ef923cdd4ed078043b6052c4846ed01a7a7246aabda840a7975eb5.exe File opened for modification C:\Program Files\Internet Explorer\Laofan.exe a23b58b449ef923cdd4ed078043b6052c4846ed01a7a7246aabda840a7975eb5.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2920 a23b58b449ef923cdd4ed078043b6052c4846ed01a7a7246aabda840a7975eb5.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2920 wrote to memory of 2240 2920 a23b58b449ef923cdd4ed078043b6052c4846ed01a7a7246aabda840a7975eb5.exe 79 PID 2920 wrote to memory of 2240 2920 a23b58b449ef923cdd4ed078043b6052c4846ed01a7a7246aabda840a7975eb5.exe 79 PID 2920 wrote to memory of 2240 2920 a23b58b449ef923cdd4ed078043b6052c4846ed01a7a7246aabda840a7975eb5.exe 79 PID 2920 wrote to memory of 728 2920 a23b58b449ef923cdd4ed078043b6052c4846ed01a7a7246aabda840a7975eb5.exe 80 PID 2920 wrote to memory of 728 2920 a23b58b449ef923cdd4ed078043b6052c4846ed01a7a7246aabda840a7975eb5.exe 80 PID 2920 wrote to memory of 728 2920 a23b58b449ef923cdd4ed078043b6052c4846ed01a7a7246aabda840a7975eb5.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\a23b58b449ef923cdd4ed078043b6052c4846ed01a7a7246aabda840a7975eb5.exe"C:\Users\Admin\AppData\Local\Temp\a23b58b449ef923cdd4ed078043b6052c4846ed01a7a7246aabda840a7975eb5.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Program Files\Internet Explorer\Laofan.exe"C:\Program Files\Internet Explorer\Laofan.exe"2⤵
- Executes dropped EXE
PID:2240
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C del C:\Users\Admin\AppData\Local\Temp\A23B58~1.EXE > nul2⤵PID:728
-
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
- Path C:\Program Files\Internet Explorer\Laofan.exe
- Size 29KB
- SHA256 a23b58b449ef923cdd4ed078043b6052c4846ed01a7a7246aabda840a7975eb5
- MD5 0e14b65f9be6713e8f7857d298475da9
- SHA1 d007555f5c324f5e0f7e88a24ec6ca96a22419cd
- SHA512 763d462343d12da9a06466644050f08c6086663b848e7db7a2daad9672d235f93206b65048b74ec55f1afa55f50e3c78cb6ab083ed8df4ac1f40ae1753eace5f
- SSDEEP 768:XTVUOMgSygAVL48bDxPN7LxdGIAfoT/bmyfSA+P:GOjL40LEi3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\Internet Explorer\Laofan.exe
- Size 29KB
- SHA256 a23b58b449ef923cdd4ed078043b6052c4846ed01a7a7246aabda840a7975eb5
- MD5 0e14b65f9be6713e8f7857d298475da9
- SHA1 d007555f5c324f5e0f7e88a24ec6ca96a22419cd
- SHA512 763d462343d12da9a06466644050f08c6086663b848e7db7a2daad9672d235f93206b65048b74ec55f1afa55f50e3c78cb6ab083ed8df4ac1f40ae1753eace5f
- SSDEEP 768:XTVUOMgSygAVL48bDxPN7LxdGIAfoT/bmyfSA+P:GOjL40LEi3
- MD5 SHA1 SHA512 SSDEEP