Analysis
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max time kernel
153s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
19-02-2022 20:08
Static task
static1
Behavioral task
behavioral1
Sample
7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exe
Resource
win10v2004-en-20220113
General
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Target
7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exe
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Size
70KB
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MD5
f1e6bdc66df83d79274a291b2055a4b8
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SHA1
ed66b61e4fd8799dc5fbabcc3e11b11e8eb29cb7
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SHA256
7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1
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SHA512
6525a01d3bda855498422473eb63357e0f9f0f0570705cb963715b5b353f5ebf788ee4c53b1393fa12dd2032a3e5a5788974d8de9433ce5c6eb48f15b0476ddc
Malware Config
Signatures
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Upatre
Upatre is a generic malware downloader.
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Executes dropped EXE 1 IoCs
Processes:
szgfw.exepid process 1580 szgfw.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exe -
Drops file in Windows directory 6 IoCs
Processes:
svchost.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 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
svchost.exedescription pid process Token: SeShutdownPrivilege 3404 svchost.exe Token: SeCreatePagefilePrivilege 3404 svchost.exe Token: SeShutdownPrivilege 3404 svchost.exe Token: SeCreatePagefilePrivilege 3404 svchost.exe Token: SeShutdownPrivilege 3404 svchost.exe Token: SeCreatePagefilePrivilege 3404 svchost.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exedescription pid process target process PID 2316 wrote to memory of 1580 2316 7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exe szgfw.exe PID 2316 wrote to memory of 1580 2316 7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exe szgfw.exe PID 2316 wrote to memory of 1580 2316 7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exe szgfw.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exe"C:\Users\Admin\AppData\Local\Temp\7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\szgfw.exe"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"2⤵
- Executes dropped EXE
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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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\szgfw.exeMD5
8fbf02dd560ead2c7262113cabf9b121
SHA11e3cb19ded4c7863c6499af82634e42847e2a418
SHA2566d3065a1c3799995a4d4e45881a0a69b34d7fc1acdbc2b8ced403bd8dcceef02
SHA512143ee63ac7184a944e98e1df0e2d46396401542219803d42640fa2535430b80d68051d732649a60f5083c9e9ab3e7ea798364f88facf061e9514951d5753ce70
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C:\Users\Admin\AppData\Local\Temp\szgfw.exeMD5
8fbf02dd560ead2c7262113cabf9b121
SHA11e3cb19ded4c7863c6499af82634e42847e2a418
SHA2566d3065a1c3799995a4d4e45881a0a69b34d7fc1acdbc2b8ced403bd8dcceef02
SHA512143ee63ac7184a944e98e1df0e2d46396401542219803d42640fa2535430b80d68051d732649a60f5083c9e9ab3e7ea798364f88facf061e9514951d5753ce70
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memory/2316-134-0x0000000002140000-0x0000000002141000-memory.dmpFilesize
4KB
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memory/3404-131-0x000001B126B60000-0x000001B126B70000-memory.dmpFilesize
64KB
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memory/3404-132-0x000001B127120000-0x000001B127130000-memory.dmpFilesize
64KB
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memory/3404-133-0x000001B1297C0000-0x000001B1297C4000-memory.dmpFilesize
16KB