Analysis
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max time kernel
150s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
15-02-2022 13:24
Static task
static1
Behavioral task
behavioral1
Sample
52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe
Resource
win7-en-20211208
General
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Target
52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe
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Size
2.6MB
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MD5
db9f562738a4cd6adbfde0669264da02
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SHA1
350c4acbd7a7b26e3ef5d4aaaecf660c7a8a07d1
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SHA256
52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191
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SHA512
35b7d1f9f40e49563092c523a0a27554d22e8587e3378aea46711d20c155ac2746d24c19c15c7db3a915480e04ef738d6d19cac6a5ce1c6b881a506b2ee968e7
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Blocklisted process makes network request 1 IoCs
Processes:
WScript.exeflow pid process 41 3204 WScript.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe -
Processes:
resource yara_rule behavioral2/memory/4824-130-0x00000000003C0000-0x0000000000A8B000-memory.dmp themida behavioral2/memory/4824-131-0x00000000003C0000-0x0000000000A8B000-memory.dmp themida behavioral2/memory/4824-132-0x00000000003C0000-0x0000000000A8B000-memory.dmp themida -
Processes:
52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 13 ip-api.com -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exepid process 4824 52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe -
Drops file in Windows directory 8 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe -
Modifies registry class 1 IoCs
Processes:
52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings 52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exepid process 4824 52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe 4824 52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
svchost.exeTiWorker.exedescription pid process Token: SeShutdownPrivilege 1484 svchost.exe Token: SeCreatePagefilePrivilege 1484 svchost.exe Token: SeShutdownPrivilege 1484 svchost.exe Token: SeCreatePagefilePrivilege 1484 svchost.exe Token: SeShutdownPrivilege 1484 svchost.exe Token: SeCreatePagefilePrivilege 1484 svchost.exe Token: SeSecurityPrivilege 4272 TiWorker.exe Token: SeRestorePrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe Token: SeRestorePrivilege 4272 TiWorker.exe Token: SeSecurityPrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe Token: SeRestorePrivilege 4272 TiWorker.exe Token: SeSecurityPrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe Token: SeRestorePrivilege 4272 TiWorker.exe Token: SeSecurityPrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe Token: SeRestorePrivilege 4272 TiWorker.exe Token: SeSecurityPrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe Token: SeRestorePrivilege 4272 TiWorker.exe Token: SeSecurityPrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe Token: SeRestorePrivilege 4272 TiWorker.exe Token: SeSecurityPrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe Token: SeRestorePrivilege 4272 TiWorker.exe Token: SeSecurityPrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe Token: SeRestorePrivilege 4272 TiWorker.exe Token: SeSecurityPrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe Token: SeRestorePrivilege 4272 TiWorker.exe Token: SeSecurityPrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe Token: SeRestorePrivilege 4272 TiWorker.exe Token: SeSecurityPrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe Token: SeRestorePrivilege 4272 TiWorker.exe Token: SeSecurityPrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe Token: SeRestorePrivilege 4272 TiWorker.exe Token: SeSecurityPrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe Token: SeRestorePrivilege 4272 TiWorker.exe Token: SeSecurityPrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe Token: SeRestorePrivilege 4272 TiWorker.exe Token: SeSecurityPrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe Token: SeRestorePrivilege 4272 TiWorker.exe Token: SeSecurityPrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe Token: SeRestorePrivilege 4272 TiWorker.exe Token: SeSecurityPrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe Token: SeRestorePrivilege 4272 TiWorker.exe Token: SeSecurityPrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe Token: SeRestorePrivilege 4272 TiWorker.exe Token: SeSecurityPrivilege 4272 TiWorker.exe Token: SeBackupPrivilege 4272 TiWorker.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exedescription pid process target process PID 4824 wrote to memory of 3212 4824 52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe WScript.exe PID 4824 wrote to memory of 3212 4824 52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe WScript.exe PID 4824 wrote to memory of 3212 4824 52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe WScript.exe PID 4824 wrote to memory of 3204 4824 52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe WScript.exe PID 4824 wrote to memory of 3204 4824 52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe WScript.exe PID 4824 wrote to memory of 3204 4824 52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe WScript.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe"C:\Users\Admin\AppData\Local\Temp\52ce26bf711a0d2ea410e325fdb0acc1b81d3305c421b0fa2a882780a0c7c191.exe"1⤵
- Checks BIOS information in registry
- Checks computer location settings
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4824 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\rvaatpsboq.vbs"2⤵PID:3212
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\mlpfsstg.vbs"2⤵
- Blocklisted process makes network request
PID:3204
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1484
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4272
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
54e9306f95f32e50ccd58af19753d929
SHA1eab9457321f34d4dcf7d4a0ac83edc9131bf7c57
SHA25645f94dceb18a8f738a26da09ce4558995a4fe02b971882e8116fc9b59813bb72
SHA5128711a4d866f21cdf4d4e6131ec4cfaf6821d0d22b90946be8b5a09ab868af0270a89bc326f03b858f0361a83c11a1531b894dfd1945e4812ba429a7558791f4f
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
MD5343c9e85e48427e136bf3ee3133bef40
SHA1a1599baa279455e0bafc335e38bd04b5b7784b70
SHA256aec21c9760918ed3560b0e6ab9fa4dba3f23a2a2de5df35c7c3b4beb752906a1
SHA512ed42a65523457414a3c9987c3cfcca814d457e5eb46b06566e4047e90e621b5f37ab3c6187802e350282a8cd92b4378bccef4dad56257b028a511a347096cba7
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MD5
40c5d3f7a576c68a9c875532121faf62
SHA1ff6a8f4fec183c31252da2ef90b8ba7865e21470
SHA2569029c1f4f3f692a12a06c7886802882d4bf0af99f0fa26a0fe9a7fcac9d97c5b
SHA5122ee19c2c4b81ba33da0eb103e45d357b4df2edc67e71943e99fb2cf449f8654d3215544e80f10bbc3d4124c9988ecf97017d952c94925877e52922612cf7ffe8
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MD5
5ce67265bcf6fe559e7dd152827ca14f
SHA14790d0909150bc302e97f0f6335ab1857c4d06ff
SHA25654ca2dbc047cbc82fdd1140ba233c7cbfbd701e89f3739b019dff14d7ecd8f59
SHA512b77343345841bb0f1c476fd6600790fa0769a4e23da8b59bab248fcc8b6a1b9272bb193fe0f21668ebd0545713b0ca34be9f39bb95b1edbef520c7e882579ca7