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Analysis
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max time kernel
117s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20220414-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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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 2016 set thread context of 588 2016 Sample_price list_new order.exe 32 -
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 1828 588 WerFault.exe 32 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 984 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2016 Sample_price list_new order.exe 1288 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2016 Sample_price list_new order.exe Token: SeDebugPrivilege 1288 powershell.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 2016 wrote to memory of 1288 2016 Sample_price list_new order.exe 27 PID 2016 wrote to memory of 1288 2016 Sample_price list_new order.exe 27 PID 2016 wrote to memory of 1288 2016 Sample_price list_new order.exe 27 PID 2016 wrote to memory of 1288 2016 Sample_price list_new order.exe 27 PID 2016 wrote to memory of 984 2016 Sample_price list_new order.exe 29 PID 2016 wrote to memory of 984 2016 Sample_price list_new order.exe 29 PID 2016 wrote to memory of 984 2016 Sample_price list_new order.exe 29 PID 2016 wrote to memory of 984 2016 Sample_price list_new order.exe 29 PID 2016 wrote to memory of 456 2016 Sample_price list_new order.exe 31 PID 2016 wrote to memory of 456 2016 Sample_price list_new order.exe 31 PID 2016 wrote to memory of 456 2016 Sample_price list_new order.exe 31 PID 2016 wrote to memory of 456 2016 Sample_price list_new order.exe 31 PID 2016 wrote to memory of 588 2016 Sample_price list_new order.exe 32 PID 2016 wrote to memory of 588 2016 Sample_price list_new order.exe 32 PID 2016 wrote to memory of 588 2016 Sample_price list_new order.exe 32 PID 2016 wrote to memory of 588 2016 Sample_price list_new order.exe 32 PID 2016 wrote to memory of 588 2016 Sample_price list_new order.exe 32 PID 2016 wrote to memory of 588 2016 Sample_price list_new order.exe 32 PID 2016 wrote to memory of 588 2016 Sample_price list_new order.exe 32 PID 2016 wrote to memory of 588 2016 Sample_price list_new order.exe 32 PID 2016 wrote to memory of 588 2016 Sample_price list_new order.exe 32 PID 2016 wrote to memory of 588 2016 Sample_price list_new order.exe 32 PID 588 wrote to memory of 1828 588 Sample_price list_new order.exe 36 PID 588 wrote to memory of 1828 588 Sample_price list_new order.exe 36 PID 588 wrote to memory of 1828 588 Sample_price list_new order.exe 36 PID 588 wrote to memory of 1828 588 Sample_price list_new order.exe 36
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⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2016 -
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:1288
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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\tmp67B9.tmp"2⤵
- Creates scheduled task(s)
PID:984
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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:456
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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⤵
- Suspicious use of WriteProcessMemory
PID:588 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 588 -s 7763⤵
- Program crash
PID:1828
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD589a9d1b693fcb98f4e69badeb5f18795
SHA1113f8998ff37b8c2dc0fd7c7a14d1fa5d2bdeaac
SHA25673668e8f0a63e26479c5bd0168cca6f2aa8b036eed55839b82fb873938957f73
SHA512fbf8ec0fc77b86c8341b182104ddf491a521d155dc5397542d67278457e1b087eb380015852bcf3e0eb8d6d92af6b702d2480c21f8c96f1f9c39d548301d694e