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Analysis
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max time kernel
123s -
max time network
205s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
12/06/2022, 14:32
Static task
static1
Behavioral task
behavioral1
Sample
Sample_price list_new order.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Sample_price list_new order.exe
Resource
win10v2004-20220414-en
General
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Target
Sample_price list_new order.exe
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Size
643KB
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MD5
d5ad3655ac02936e060e384f1078c7f5
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SHA1
39448e2ba7f287ecf60f95589072ddcf7cdc0369
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SHA256
2213c9b915e45237c418089f12469a32144e7bd18bb1a79ada1f45b861d56518
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SHA512
c36d8376276a964ea818df17c9233fa75745de84d33ddd6d0e21260acd760980f106fa747f6d51d3623e1b4c329e10e48fabff8bcd97fbba57ad348bf3ccde93
Malware Config
Extracted
oski
masterwork2.co.vu
Signatures
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Oski
Oski is an infostealer targeting browser data, crypto wallets.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation Sample_price list_new order.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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1600 set thread context of 684 1600 Sample_price list_new order.exe 83 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 4008 684 WerFault.exe 83 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1516 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1088 powershell.exe 1088 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1088 powershell.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1600 wrote to memory of 1088 1600 Sample_price list_new order.exe 79 PID 1600 wrote to memory of 1088 1600 Sample_price list_new order.exe 79 PID 1600 wrote to memory of 1088 1600 Sample_price list_new order.exe 79 PID 1600 wrote to memory of 1516 1600 Sample_price list_new order.exe 81 PID 1600 wrote to memory of 1516 1600 Sample_price list_new order.exe 81 PID 1600 wrote to memory of 1516 1600 Sample_price list_new order.exe 81 PID 1600 wrote to memory of 684 1600 Sample_price list_new order.exe 83 PID 1600 wrote to memory of 684 1600 Sample_price list_new order.exe 83 PID 1600 wrote to memory of 684 1600 Sample_price list_new order.exe 83 PID 1600 wrote to memory of 684 1600 Sample_price list_new order.exe 83 PID 1600 wrote to memory of 684 1600 Sample_price list_new order.exe 83 PID 1600 wrote to memory of 684 1600 Sample_price list_new order.exe 83 PID 1600 wrote to memory of 684 1600 Sample_price list_new order.exe 83 PID 1600 wrote to memory of 684 1600 Sample_price list_new order.exe 83 PID 1600 wrote to memory of 684 1600 Sample_price list_new order.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\Sample_price list_new order.exe"C:\Users\Admin\AppData\Local\Temp\Sample_price list_new order.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1600 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mloRUbz.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1088
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mloRUbz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1C2E.tmp"2⤵
- Creates scheduled task(s)
PID:1516
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C:\Users\Admin\AppData\Local\Temp\Sample_price list_new order.exe"C:\Users\Admin\AppData\Local\Temp\Sample_price list_new order.exe"2⤵PID:684
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 684 -s 12923⤵
- Program crash
PID:4008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 684 -ip 6841⤵PID:3252
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD57b07167e4c03c5d5c82f5186e842cc3e
SHA13c92799e1d8a2c1afd40a2dc5c71d726e6582ee2
SHA256375db0ec936ea0f7073e62bbed8490d988f0fa0717fd44f695d2e089af71bb1c
SHA512377e5368cf605a0d745b54b5603cda25d416110d1652c6686ff6ca0b8487256f9dc37cd6cbdd96c801bdf5c022e37a52aa02e7cf03739d4609bc0cb4d4dc490e