Analysis
- max time kernel
112s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
03/02/2023, 19:53
Static task
static1
Behavioral task
behavioral1
Sample
7aca913279c053180d4a033dc35f33f7.exe
Resource
win7-20220812-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
7aca913279c053180d4a033dc35f33f7.exe
Resource
win10v2004-20221111-en
4 signatures
150 seconds
General
- Target 7aca913279c053180d4a033dc35f33f7.exe
- Size 1.8MB
- Sample230203-ylyc9aah99
- SHA256 1063dbd630ff2a5917a3f66fca581c5742172d2fdb8e6f7c2cfa6d68fdd90420
- MD5 7aca913279c053180d4a033dc35f33f7
- SHA1 f5d580d11f08cc3815b9ee326d6aeb5742919de6
- SHA512 6c47d97a68b495c5e2fae8e2d64f6f7b17bc8225ed1bdb17d255a1425cbf462537d431dfad2939e27efe6a008d4206f109a468179a08d6039729f91456cb7041
- SSDEEP 49152:ZqzNiMuaoX9f8Ib7FD373DQG7r8Ji6mp7IA1US:szNlufJVxII8g64k
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2040 ntlhost.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 7aca913279c053180d4a033dc35f33f7.exe - GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 53 Go-http-client/1.1 - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4932 wrote to memory of 2040 4932 7aca913279c053180d4a033dc35f33f7.exe 87 PID 4932 wrote to memory of 2040 4932 7aca913279c053180d4a033dc35f33f7.exe 87 PID 4932 wrote to memory of 2040 4932 7aca913279c053180d4a033dc35f33f7.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\7aca913279c053180d4a033dc35f33f7.exe"C:\Users\Admin\AppData\Local\Temp\7aca913279c053180d4a033dc35f33f7.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4932 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:2040
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
- Size 802.8MB
- SHA256 6a4905a5f0968141331b16153a6e1d250007c49a475138f1a6bbec858307eda4
- MD5 610cac86cc2d15776aaf6c60c87dd4b3
- SHA1 9c5dfc13231d57c5d885667e9f8cd7ddc46d9936
- SHA512 cf04d35c1cba586731488e05d71d82e1e974b15e681ee93c33d7472406d4810f18410ffc805ccd7e1a959ddca7c890ca9ff2f8b85f3944584a1d90380d98474e
- SSDEEP 25165824:2/F3BicjmOiP5sH0nWwcLrSZuV9P2GZtbn:2t39U5a0ng3BZdn
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
- Size 802.8MB
- SHA256 6a4905a5f0968141331b16153a6e1d250007c49a475138f1a6bbec858307eda4
- MD5 610cac86cc2d15776aaf6c60c87dd4b3
- SHA1 9c5dfc13231d57c5d885667e9f8cd7ddc46d9936
- SHA512 cf04d35c1cba586731488e05d71d82e1e974b15e681ee93c33d7472406d4810f18410ffc805ccd7e1a959ddca7c890ca9ff2f8b85f3944584a1d90380d98474e
- SSDEEP 25165824:2/F3BicjmOiP5sH0nWwcLrSZuV9P2GZtbn:2t39U5a0ng3BZdn
- MD5 SHA1 SHA512 SSDEEP