Analysis
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max time kernel
69s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
17/02/2024, 05:43
Static task
static1
Behavioral task
behavioral1
Sample
Download.exe
Resource
win10v2004-20231222-en
General
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Target
Download.exe
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Size
2.6MB
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MD5
4d5fec6d70a768a868ebc7c0099c7680
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SHA1
aa3b2bb6f9fab977a5fa7dddaf8ecbcd6fb0b427
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SHA256
c142a44d4735e0eb7de46869b1866913a5b8749c982e349050514018db6eee08
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SHA512
f22b3681fac8eea1da5862617ed702a8a75761db5a3abd9abfe4472b244794357fa792cbc0a6eb29fc838134063acc770009b1e0e6f462603f997f4030b9ecc8
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SSDEEP
49152:YGm+0Hvz4snZ82IPqJbYi80baJSNhcDGlCA9cYs:Z4vMsDIPqJbZ1baomGlCTYs
Malware Config
Signatures
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XMRig Miner payload 9 IoCs
resource yara_rule behavioral1/memory/3528-71-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/3528-72-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/3528-74-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/3528-75-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/3528-76-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/3528-77-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/3528-78-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/3528-80-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/3528-81-0x0000000140000000-0x0000000140848000-memory.dmp xmrig -
Creates new service(s) 1 TTPs
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Drops file in Drivers directory 2 IoCs
description ioc Process File created C:\Windows\system32\drivers\etc\hosts Download.exe File created C:\Windows\system32\drivers\etc\hosts opjcaokdxyhn.exe -
Stops running service(s) 3 TTPs
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Executes dropped EXE 1 IoCs
pid Process 2352 opjcaokdxyhn.exe -
resource yara_rule behavioral1/memory/3528-66-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3528-68-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3528-67-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3528-69-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3528-70-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3528-71-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3528-72-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3528-74-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3528-75-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3528-76-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3528-77-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3528-78-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3528-80-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3528-81-0x0000000140000000-0x0000000140848000-memory.dmp upx -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\system32\MRT.exe Download.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive powershell.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\system32\MRT.exe opjcaokdxyhn.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2352 set thread context of 1028 2352 opjcaokdxyhn.exe 141 PID 2352 set thread context of 3528 2352 opjcaokdxyhn.exe 146 -
Launches sc.exe 14 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 872 sc.exe 5064 sc.exe 1792 sc.exe 4696 sc.exe 1352 sc.exe 5008 sc.exe 3300 sc.exe 4860 sc.exe 1764 sc.exe 3220 sc.exe 3444 sc.exe 3012 sc.exe 3044 sc.exe 1944 sc.exe -
Modifies data under HKEY_USERS 50 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\ROOT explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs explorer.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3588 Download.exe 3024 powershell.exe 3024 powershell.exe 3588 Download.exe 3588 Download.exe 3588 Download.exe 3588 Download.exe 3588 Download.exe 3588 Download.exe 3588 Download.exe 3588 Download.exe 3588 Download.exe 3588 Download.exe 3588 Download.exe 3588 Download.exe 3588 Download.exe 3588 Download.exe 2352 opjcaokdxyhn.exe 2216 powershell.exe 2216 powershell.exe 2352 opjcaokdxyhn.exe 2352 opjcaokdxyhn.exe 2352 opjcaokdxyhn.exe 2352 opjcaokdxyhn.exe 2352 opjcaokdxyhn.exe 2352 opjcaokdxyhn.exe 2352 opjcaokdxyhn.exe 2352 opjcaokdxyhn.exe 2352 opjcaokdxyhn.exe 2352 opjcaokdxyhn.exe 2352 opjcaokdxyhn.exe 2352 opjcaokdxyhn.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe 3528 explorer.exe -
Suspicious use of AdjustPrivilegeToken 21 IoCs
description pid Process Token: SeDebugPrivilege 3024 powershell.exe Token: SeDebugPrivilege 3588 Download.exe Token: SeShutdownPrivilege 4476 powercfg.exe Token: SeCreatePagefilePrivilege 4476 powercfg.exe Token: SeShutdownPrivilege 3824 powercfg.exe Token: SeCreatePagefilePrivilege 3824 powercfg.exe Token: SeShutdownPrivilege 4616 powercfg.exe Token: SeCreatePagefilePrivilege 4616 powercfg.exe Token: SeShutdownPrivilege 648 powercfg.exe Token: SeCreatePagefilePrivilege 648 powercfg.exe Token: SeDebugPrivilege 2216 powershell.exe Token: SeDebugPrivilege 2352 opjcaokdxyhn.exe Token: SeShutdownPrivilege 3940 powercfg.exe Token: SeCreatePagefilePrivilege 3940 powercfg.exe Token: SeShutdownPrivilege 1228 powercfg.exe Token: SeCreatePagefilePrivilege 1228 powercfg.exe Token: SeShutdownPrivilege 4892 powercfg.exe Token: SeCreatePagefilePrivilege 4892 powercfg.exe Token: SeShutdownPrivilege 4228 powercfg.exe Token: SeCreatePagefilePrivilege 4228 powercfg.exe Token: SeLockMemoryPrivilege 3528 explorer.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1736 wrote to memory of 444 1736 cmd.exe 96 PID 1736 wrote to memory of 444 1736 cmd.exe 96 PID 1968 wrote to memory of 4804 1968 cmd.exe 129 PID 1968 wrote to memory of 4804 1968 cmd.exe 129 PID 2352 wrote to memory of 1028 2352 opjcaokdxyhn.exe 141 PID 2352 wrote to memory of 1028 2352 opjcaokdxyhn.exe 141 PID 2352 wrote to memory of 1028 2352 opjcaokdxyhn.exe 141 PID 2352 wrote to memory of 1028 2352 opjcaokdxyhn.exe 141 PID 2352 wrote to memory of 1028 2352 opjcaokdxyhn.exe 141 PID 2352 wrote to memory of 1028 2352 opjcaokdxyhn.exe 141 PID 2352 wrote to memory of 1028 2352 opjcaokdxyhn.exe 141 PID 2352 wrote to memory of 1028 2352 opjcaokdxyhn.exe 141 PID 2352 wrote to memory of 1028 2352 opjcaokdxyhn.exe 141 PID 2352 wrote to memory of 3528 2352 opjcaokdxyhn.exe 146 PID 2352 wrote to memory of 3528 2352 opjcaokdxyhn.exe 146 PID 2352 wrote to memory of 3528 2352 opjcaokdxyhn.exe 146 PID 2352 wrote to memory of 3528 2352 opjcaokdxyhn.exe 146 PID 2352 wrote to memory of 3528 2352 opjcaokdxyhn.exe 146
Processes
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C:\Users\Admin\AppData\Local\Temp\Download.exe"C:\Users\Admin\AppData\Local\Temp\Download.exe"1⤵
- Drops file in Drivers directory
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3588 -
C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3024
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart2⤵
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart3⤵PID:444
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop UsoSvc2⤵
- Launches sc.exe
PID:3444
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop WaaSMedicSvc2⤵
- Launches sc.exe
PID:872
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop wuauserv2⤵
- Launches sc.exe
PID:1352
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop bits2⤵
- Launches sc.exe
PID:5008
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop dosvc2⤵
- Launches sc.exe
PID:5064
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe delete "MicrosoftEdge32"2⤵
- Launches sc.exe
PID:3012
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -standby-timeout-dc 02⤵
- Suspicious use of AdjustPrivilegeToken
PID:648
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -standby-timeout-ac 02⤵
- Suspicious use of AdjustPrivilegeToken
PID:4476
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 02⤵
- Suspicious use of AdjustPrivilegeToken
PID:4616
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 02⤵
- Suspicious use of AdjustPrivilegeToken
PID:3824
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe create "MicrosoftEdge32" binpath= "C:\ProgramData\rvnlpsddoleq\opjcaokdxyhn.exe" start= "auto"2⤵
- Launches sc.exe
PID:3044
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop eventlog2⤵
- Launches sc.exe
PID:3300
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start "MicrosoftEdge32"2⤵
- Launches sc.exe
PID:4860
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C:\ProgramData\rvnlpsddoleq\opjcaokdxyhn.exeC:\ProgramData\rvnlpsddoleq\opjcaokdxyhn.exe1⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2216
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop UsoSvc2⤵
- Launches sc.exe
PID:1944
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart2⤵
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart3⤵PID:4804
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop WaaSMedicSvc2⤵
- Launches sc.exe
PID:1764
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop wuauserv2⤵
- Launches sc.exe
PID:1792
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop bits2⤵
- Launches sc.exe
PID:3220
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop dosvc2⤵
- Launches sc.exe
PID:4696
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -standby-timeout-dc 02⤵
- Suspicious use of AdjustPrivilegeToken
PID:3940
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -standby-timeout-ac 02⤵
- Suspicious use of AdjustPrivilegeToken
PID:4228
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 02⤵
- Suspicious use of AdjustPrivilegeToken
PID:1228
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 02⤵
- Suspicious use of AdjustPrivilegeToken
PID:4892
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C:\Windows\system32\conhost.exeC:\Windows\system32\conhost.exe2⤵PID:1028
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C:\Windows\explorer.exeexplorer.exe2⤵
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3528
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.6MB
MD54d5fec6d70a768a868ebc7c0099c7680
SHA1aa3b2bb6f9fab977a5fa7dddaf8ecbcd6fb0b427
SHA256c142a44d4735e0eb7de46869b1866913a5b8749c982e349050514018db6eee08
SHA512f22b3681fac8eea1da5862617ed702a8a75761db5a3abd9abfe4472b244794357fa792cbc0a6eb29fc838134063acc770009b1e0e6f462603f997f4030b9ecc8
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3KB
MD533fe12041417b0ad19dda0511495ab8a
SHA14030b1220d72e24a50930157442ba2c7ffd273fc
SHA25621ee5018f04b61cf0d5b85c1b953615576c205760847622248d3dfec3e996a3b
SHA512732ef6ac91231d464830cfcdbef1cf08dedf88824928431bae87db82dee43608990af2fb2a23fa4708ab4e2374178e7ee0ecc95105941bcbf2ccc986fbd1ae3a