Overview
overview
10Static
static
10Trojan/BlueScreen.exe
windows10-ltsc 2021-x64
5Trojan/Bolbi.vbs
windows10-ltsc 2021-x64
10Trojan/Carewmr.vbs
windows10-ltsc 2021-x64
4Trojan/Dud...an.bat
windows10-ltsc 2021-x64
1Trojan/Fra...n.docx
windows10-ltsc 2021-x64
1Trojan/Grave.apk
windows10-ltsc 2021-x64
3Trojan/L0Lz.bat
windows10-ltsc 2021-x64
8Trojan/Malum.apk
windows10-ltsc 2021-x64
3Trojan/Mis...st.exe
windows10-ltsc 2021-x64
8Trojan/Mis...er.exe
windows10-ltsc 2021-x64
8Trojan/Mis...RC.exe
windows10-ltsc 2021-x64
8Trojan/Mob...re.apk
windows10-ltsc 2021-x64
3Trojan/Mrs...or.exe
windows10-ltsc 2021-x64
MrsMajor2.0.exe
windows10-ltsc 2021-x64
Trojan/Mrs....0.exe
windows10-ltsc 2021-x64
10Trojan/Offiz.html
windows10-ltsc 2021-x64
4Trojan/Spa...rk.exe
windows10-ltsc 2021-x64
7Trojan/Spa...rk.exe
windows10-ltsc 2021-x64
9Trojan/XCS...f54ca6
windows10-ltsc 2021-x64
3Trojan/XCS...2aed41
windows10-ltsc 2021-x64
3Trojan/XCS...b54692
windows10-ltsc 2021-x64
3Trojan/XCS...00f6c1
windows10-ltsc 2021-x64
3Trojan/elite.apk
windows10-ltsc 2021-x64
3Trojan/mobelejen.apk
windows10-ltsc 2021-x64
3Trojan/vi4a.apk
windows10-ltsc 2021-x64
3Analysis
-
max time kernel
300s -
max time network
209s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241023-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
06-12-2024 10:38
Behavioral task
behavioral1
Sample
Trojan/BlueScreen.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral2
Sample
Trojan/Bolbi.vbs
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral3
Sample
Trojan/Carewmr.vbs
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral4
Sample
Trojan/DudleyTrojan.bat
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral5
Sample
Trojan/Frankenstein.docx
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral6
Sample
Trojan/Grave.apk
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral7
Sample
Trojan/L0Lz.bat
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral8
Sample
Trojan/Malum.apk
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral9
Sample
Trojan/Mist/MistInfected_newest.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral10
Sample
Trojan/Mist/MistInstaller.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral11
Sample
Trojan/Mist/MistInstallerRC.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral12
Sample
Trojan/Mobile_Legends_Adventure.apk
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral13
Sample
Trojan/MrsMajors/BossDaMajor/BossDaMajor.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral14
Sample
MrsMajor2.0.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral15
Sample
Trojan/MrsMajors/MrsMajor3.0.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral16
Sample
Trojan/Offiz.html
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral17
Sample
Trojan/Spark/NETFramework.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral18
Sample
Trojan/Spark/Spark.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral19
Sample
Trojan/XCSSETMacMalware/TrojanSpy.MacOS.XCSSET.A.6614978ab256f922d7b6dbd7cc15c6136819f4bcfb5a0fead480561f0df54ca6
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral20
Sample
Trojan/XCSSETMacMalware/TrojanSpy.MacOS.XCSSET.A.6fa938770e83ef2e177e8adf4a2ea3d2d5b26107c30f9d85c3d1a557db2aed41
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral21
Sample
Trojan/XCSSETMacMalware/TrojanSpy.MacOS.XCSSET.A.ac3467a04eeb552d92651af1187bdc795100ea77a7a1ac755b4681c654b54692
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral22
Sample
Trojan/XCSSETMacMalware/TrojanSpy.MacOS.XCSSET.A.d11a549e6bc913c78673f4e142e577f372311404766be8a3153792de9f00f6c1
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral23
Sample
Trojan/elite.apk
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral24
Sample
Trojan/mobelejen.apk
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral25
Sample
Trojan/vi4a.apk
Resource
win10ltsc2021-20241023-en
General
-
Target
Trojan/MrsMajors/MrsMajor3.0.exe
-
Size
381KB
-
MD5
35a27d088cd5be278629fae37d464182
-
SHA1
d5a291fadead1f2a0cf35082012fe6f4bf22a3ab
-
SHA256
4a75f2db1dbd3c1218bb9994b7e1c690c4edd4e0c1a675de8d2a127611173e69
-
SHA512
eb0be3026321864bd5bcf53b88dc951711d8c0b4bcbd46800b90ca5116a56dba22452530e29f3ccbbcc43d943bdefc8ed8ca2d31ba2e7e5f0e594f74adba4ab5
-
SSDEEP
6144:Th3idhONY259BH1DzJ5PzVNtGgc+F9TBd096cTKAsLEbqqbd+VWM8AHiKn9SlXNA:Th3iXPw9Tc6kVXMHHLEf8l7
Malware Config
Signatures
-
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" wscript.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3785588363-1079601362-4184885025-1000\Control Panel\International\Geo\Nation MrsMajor3.0.exe Key value queried \REGISTRY\USER\S-1-5-21-3785588363-1079601362-4184885025-1000\Control Panel\International\Geo\Nation wscript.exe -
Executes dropped EXE 1 IoCs
pid Process 2904 eulascr.exe -
Loads dropped DLL 1 IoCs
pid Process 2904 eulascr.exe -
Obfuscated with Agile.Net obfuscator 2 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
resource yara_rule behavioral15/files/0x0028000000045054-6.dat agile_net behavioral15/memory/2904-8-0x0000000000650000-0x000000000067A000-memory.dmp agile_net -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 30 drive.google.com 31 drive.google.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2904 eulascr.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3664 wrote to memory of 2860 3664 MrsMajor3.0.exe 81 PID 3664 wrote to memory of 2860 3664 MrsMajor3.0.exe 81 PID 2860 wrote to memory of 2904 2860 wscript.exe 82 PID 2860 wrote to memory of 2904 2860 wscript.exe 82 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System wscript.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" wscript.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Trojan\MrsMajors\MrsMajor3.0.exe"C:\Users\Admin\AppData\Local\Temp\Trojan\MrsMajors\MrsMajor3.0.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3664 -
C:\Windows\system32\wscript.exe"C:\Windows\system32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\701F.tmp\7020.tmp\7021.vbs //Nologo2⤵
- UAC bypass
- Checks computer location settings
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2860 -
C:\Users\Admin\AppData\Local\Temp\701F.tmp\eulascr.exe"C:\Users\Admin\AppData\Local\Temp\701F.tmp\eulascr.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:2904
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
75KB
MD542b2c266e49a3acd346b91e3b0e638c0
SHA12bc52134f03fcc51cb4e0f6c7cf70646b4df7dd1
SHA256adeed015f06efa363d504a18acb671b1db4b20b23664a55c9bc28aef3283ca29
SHA512770822fd681a1d98afe03f6fbe5f116321b54c8e2989fb07491811fd29fca5b666f1adf4c6900823af1271e342cacc9293e9db307c4eef852d1a253b00347a81
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Filesize
352B
MD53b8696ecbb737aad2a763c4eaf62c247
SHA14a2d7a2d61d3f4c414b4e5d2933cd404b8f126e5
SHA256ce95f7eea8b303bc23cfd6e41748ad4e7b5e0f0f1d3bdf390eadb1e354915569
SHA512713d9697b892b9dd892537e8a01eab8d0265ebf64867c8beecf7a744321257c2a5c11d4de18fcb486bb69f199422ce3cab8b6afdbe880481c47b06ba8f335beb
-
Filesize
143KB
MD58b1c352450e480d9320fce5e6f2c8713
SHA1d6bd88bf33de7c5d4e68b233c37cc1540c97bd3a
SHA2562c343174231b55e463ca044d19d47bd5842793c15954583eb340bfd95628516e
SHA5122d8e43b1021da08ed1bf5aff110159e6bc10478102c024371302ccfce595e77fd76794658617b5b52f9a50190db250c1ba486d247d9cd69e4732a768edbb4cbc