Overview
overview
10Static
static
10VastGen.exe
windows7-x64
7VastGen.exe
windows10-2004-x64
7main.pyc
windows7-x64
3main.pyc
windows10-2004-x64
3data/usernames.vbs
windows7-x64
1data/usernames.vbs
windows10-2004-x64
1hsw-stuff/...hsw.js
windows7-x64
1hsw-stuff/...hsw.js
windows10-2004-x64
1hsw-stuff/obf.js
windows7-x64
1hsw-stuff/obf.js
windows10-2004-x64
1Analysis
-
max time kernel
122s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
08-10-2023 19:24
Behavioral task
behavioral1
Sample
VastGen.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
VastGen.exe
Resource
win10v2004-20230915-en
Behavioral task
behavioral3
Sample
main.pyc
Resource
win7-20230831-en
Behavioral task
behavioral4
Sample
main.pyc
Resource
win10v2004-20230915-en
Behavioral task
behavioral5
Sample
data/usernames.vbs
Resource
win7-20230831-en
Behavioral task
behavioral6
Sample
data/usernames.vbs
Resource
win10v2004-20230915-en
Behavioral task
behavioral7
Sample
hsw-stuff/extensions/hsw.js
Resource
win7-20230831-en
Behavioral task
behavioral8
Sample
hsw-stuff/extensions/hsw.js
Resource
win10v2004-20230915-en
Behavioral task
behavioral9
Sample
hsw-stuff/obf.js
Resource
win7-20230831-en
Behavioral task
behavioral10
Sample
hsw-stuff/obf.js
Resource
win10v2004-20230915-en
General
-
Target
VastGen.exe
-
Size
36.4MB
-
MD5
4fc026bd21c123091fd65614ffb34697
-
SHA1
5badea2f62d005488e2b7bc383fa4b30d5099298
-
SHA256
556e4e5d8aefc825901a2b5ca83bc94e228f285848a076074ac061091c64a80f
-
SHA512
726e2be81ff17f187c766bad3c2a56ac94312963fbf4fb03bcfa559a8ca68c22cca2ad260bd7bdfe49921d79cb4d1b2108081e4ddfd12fd199ddfb46c4ae1e97
-
SSDEEP
786432:LQclfQD4sbb0fOHzeMKVxzx5QL73C9/JqrYEap9Wm+EpJs5zoVErf:LQYoRb+OHzDCd5QL7y9p3p9Wm+YYzoVe
Malware Config
Signatures
-
Loads dropped DLL 1 IoCs
pid Process 2872 VastGen.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2412 wrote to memory of 2872 2412 VastGen.exe 29 PID 2412 wrote to memory of 2872 2412 VastGen.exe 29 PID 2412 wrote to memory of 2872 2412 VastGen.exe 29
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
-
Filesize
4.3MB
MD563a1fa9259a35eaeac04174cecb90048
SHA10dc0c91bcd6f69b80dcdd7e4020365dd7853885a
SHA25614b06796f288bc6599e458fb23a944ab0c843e9868058f02a91d4606533505ed
SHA512896caa053f48b1e4102e0f41a7d13d932a746eea69a894ae564ef5a84ef50890514deca6496e915aae40a500955220dbc1b1016fe0b8bcdde0ad81b2917dea8b
-
Filesize
4.3MB
MD563a1fa9259a35eaeac04174cecb90048
SHA10dc0c91bcd6f69b80dcdd7e4020365dd7853885a
SHA25614b06796f288bc6599e458fb23a944ab0c843e9868058f02a91d4606533505ed
SHA512896caa053f48b1e4102e0f41a7d13d932a746eea69a894ae564ef5a84ef50890514deca6496e915aae40a500955220dbc1b1016fe0b8bcdde0ad81b2917dea8b