Overview
overview
9Static
static
9FrostyControls.dll
windows7-x64
1FrostyControls.dll
windows10-2004-x64
1FrostyCore.dll
windows7-x64
1FrostyCore.dll
windows10-2004-x64
1FrostyHash.dll
windows7-x64
1FrostyHash.dll
windows10-2004-x64
1FrostyModManager.exe
windows7-x64
1FrostyModManager.exe
windows10-2004-x64
1FrostyModSupport.dll
windows7-x64
1FrostyModSupport.dll
windows10-2004-x64
1FrostySdk.dll
windows7-x64
1FrostySdk.dll
windows10-2004-x64
1Plugins/Fs...in.dll
windows7-x64
1Plugins/Fs...in.dll
windows10-2004-x64
1Plugins/La...in.dll
windows7-x64
1Plugins/La...in.dll
windows10-2004-x64
1Plugins/Me...in.dll
windows7-x64
1Plugins/Me...in.dll
windows10-2004-x64
1Plugins/Sw...in.dll
windows7-x64
1Plugins/Sw...in.dll
windows10-2004-x64
1Prereqs/NE....2.exe
windows7-x64
7Prereqs/NE....2.exe
windows10-2004-x64
7Prereqs/Vi...15.exe
windows7-x64
7Prereqs/Vi...15.exe
windows10-2004-x64
7Prereqs/Vi...17.exe
windows7-x64
7Prereqs/Vi...17.exe
windows10-2004-x64
7Profiles/A...DK.dll
windows7-x64
1Profiles/A...DK.dll
windows10-2004-x64
1Profiles/BF1SDK.dll
windows7-x64
1Profiles/BF1SDK.dll
windows10-2004-x64
1Profiles/BF4SDK.dll
windows7-x64
1Profiles/BF4SDK.dll
windows10-2004-x64
1Analysis
-
max time kernel
24s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
25-02-2023 14:13
Behavioral task
behavioral1
Sample
FrostyControls.dll
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
FrostyControls.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
FrostyCore.dll
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
FrostyCore.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral5
Sample
FrostyHash.dll
Resource
win7-20230220-en
Behavioral task
behavioral6
Sample
FrostyHash.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral7
Sample
FrostyModManager.exe
Resource
win7-20230220-en
Behavioral task
behavioral8
Sample
FrostyModManager.exe
Resource
win10v2004-20230220-en
Behavioral task
behavioral9
Sample
FrostyModSupport.dll
Resource
win7-20230220-en
Behavioral task
behavioral10
Sample
FrostyModSupport.dll
Resource
win10v2004-20230221-en
Behavioral task
behavioral11
Sample
FrostySdk.dll
Resource
win7-20230220-en
Behavioral task
behavioral12
Sample
FrostySdk.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral13
Sample
Plugins/FsLocalizationPlugin.dll
Resource
win7-20230220-en
Behavioral task
behavioral14
Sample
Plugins/FsLocalizationPlugin.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral15
Sample
Plugins/LaunchPlatformPlugin.dll
Resource
win7-20230220-en
Behavioral task
behavioral16
Sample
Plugins/LaunchPlatformPlugin.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral17
Sample
Plugins/MeshSetPlugin.dll
Resource
win7-20230220-en
Behavioral task
behavioral18
Sample
Plugins/MeshSetPlugin.dll
Resource
win10v2004-20230221-en
Behavioral task
behavioral19
Sample
Plugins/Swbf2MergerPlugin.dll
Resource
win7-20230220-en
Behavioral task
behavioral20
Sample
Plugins/Swbf2MergerPlugin.dll
Resource
win10v2004-20230221-en
Behavioral task
behavioral21
Sample
Prereqs/NET Framework 4.7.2.exe
Resource
win7-20230220-en
Behavioral task
behavioral22
Sample
Prereqs/NET Framework 4.7.2.exe
Resource
win10v2004-20230220-en
Behavioral task
behavioral23
Sample
Prereqs/Visual C++ Redistributable for Visual Studio 2015.exe
Resource
win7-20230220-en
Behavioral task
behavioral24
Sample
Prereqs/Visual C++ Redistributable for Visual Studio 2015.exe
Resource
win10v2004-20230220-en
Behavioral task
behavioral25
Sample
Prereqs/Visual C++ Redistributable for Visual Studio 2017.exe
Resource
win7-20230220-en
Behavioral task
behavioral26
Sample
Prereqs/Visual C++ Redistributable for Visual Studio 2017.exe
Resource
win10v2004-20230220-en
Behavioral task
behavioral27
Sample
Profiles/AnthemSDK.dll
Resource
win7-20230220-en
Behavioral task
behavioral28
Sample
Profiles/AnthemSDK.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral29
Sample
Profiles/BF1SDK.dll
Resource
win7-20230220-en
Behavioral task
behavioral30
Sample
Profiles/BF1SDK.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral31
Sample
Profiles/BF4SDK.dll
Resource
win7-20230220-en
Behavioral task
behavioral32
Sample
Profiles/BF4SDK.dll
Resource
win10v2004-20230220-en
General
-
Target
Prereqs/Visual C++ Redistributable for Visual Studio 2017.exe
-
Size
14.6MB
-
MD5
0af5748a2e790472af28e64105760eb7
-
SHA1
7ecf5797bc24eded2454aae6f3ca95c4f6eab807
-
SHA256
b192e143d55257a0a2f76be42e44ff8ee14014f3b1b196c6e59829b6b3ec453c
-
SHA512
9c3f6195477f836cdc948cfdb52f8e14b9b7ff9b59d036f6fe281d01d1cfcff53a7bed1c861f8e142a0060c5b8ee14d6df647f3de2181ac309da2863a21b92ce
-
SSDEEP
393216:lLlptVYmfr7yBG/4VgXR7hg7omRRjMW8Y6PJUA+bTqfQ89:lxpttD7yBG/zRKoOjvSUA+vqY89
Malware Config
Signatures
-
Loads dropped DLL 1 IoCs
Processes:
Visual C++ Redistributable for Visual Studio 2017.exepid process 1632 Visual C++ Redistributable for Visual Studio 2017.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
Visual C++ Redistributable for Visual Studio 2017.exedescription pid process target process PID 1336 wrote to memory of 1632 1336 Visual C++ Redistributable for Visual Studio 2017.exe Visual C++ Redistributable for Visual Studio 2017.exe PID 1336 wrote to memory of 1632 1336 Visual C++ Redistributable for Visual Studio 2017.exe Visual C++ Redistributable for Visual Studio 2017.exe PID 1336 wrote to memory of 1632 1336 Visual C++ Redistributable for Visual Studio 2017.exe Visual C++ Redistributable for Visual Studio 2017.exe PID 1336 wrote to memory of 1632 1336 Visual C++ Redistributable for Visual Studio 2017.exe Visual C++ Redistributable for Visual Studio 2017.exe PID 1336 wrote to memory of 1632 1336 Visual C++ Redistributable for Visual Studio 2017.exe Visual C++ Redistributable for Visual Studio 2017.exe PID 1336 wrote to memory of 1632 1336 Visual C++ Redistributable for Visual Studio 2017.exe Visual C++ Redistributable for Visual Studio 2017.exe PID 1336 wrote to memory of 1632 1336 Visual C++ Redistributable for Visual Studio 2017.exe Visual C++ Redistributable for Visual Studio 2017.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Prereqs\Visual C++ Redistributable for Visual Studio 2017.exe"C:\Users\Admin\AppData\Local\Temp\Prereqs\Visual C++ Redistributable for Visual Studio 2017.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Prereqs\Visual C++ Redistributable for Visual Studio 2017.exe"C:\Users\Admin\AppData\Local\Temp\Prereqs\Visual C++ Redistributable for Visual Studio 2017.exe" -burn.unelevated BurnPipe.{35AA4503-C6DD-4352-9C88-E2A4C0158568} {02D54A2B-89ED-4BA6-9385-07ABEE33DB63} 13362⤵
- Loads dropped DLL
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\{fd9b6070-d13e-45dc-819b-41806bf45b6b}\.ba1\1055\license.rtfFilesize
177KB
MD5f1a281f74d3e91d16dd26d1f313cd8a9
SHA1ddb2ca9032c5a9c091eac53b679f6ba428077b00
SHA256f79108a254f876e0f6bbcb05a9effbe25dc252e7ea256bfe3fd28ceb79737f25
SHA512484c5ca26275427e1fb74d3217a22a0e4aac409aba973e78d7ad68834e7ad1d86c7855d34b227925200f941d288dfc09477b2d7dfe0856810c6c847297b8d625
-
C:\Users\Admin\AppData\Local\Temp\{fd9b6070-d13e-45dc-819b-41806bf45b6b}\.ba1\logo.pngFilesize
1KB
MD5d6bd210f227442b3362493d046cea233
SHA1ff286ac8370fc655aea0ef35e9cf0bfcb6d698de
SHA256335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef
SHA512464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b
-
\Users\Admin\AppData\Local\Temp\{fd9b6070-d13e-45dc-819b-41806bf45b6b}\.ba1\wixstdba.dllFilesize
188KB
MD5fb2c3564955853af5d9989ecce96bc26
SHA1b53fce645ed8b7a80babe44c648df6473f3e2212
SHA2566b5283b8bb18bc9349bba37c4d3bfe24fdae073636910bbbeba00e37242df078
SHA5126daa89611880ea646630d104dfaf1454a6f8beefa0eb2259d5b4971a2ca6a3bbdbd0d9b4201d0a28860b1081655e1f867cda79c4285b5c96ea4d1e46e211166a