Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-11-2024 01:45
Static task
static1
Behavioral task
behavioral1
Sample
a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe
Resource
win7-20240903-en
General
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Target
a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe
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Size
2.5MB
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MD5
c9a04bf748d1ee29a43ac3f0ddace478
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SHA1
891bd4e634a9c5fec1a3de80bff55c665236b58d
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SHA256
a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc
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SHA512
e17edb74f5cb4d8aabb4c775ec25a271f201da3adcb03541b1919526c0939694a768affc21c3066327e57c13bc9bb481074e51e4e78867df847b26f063b4c115
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SSDEEP
49152:b+p9UJkdNaeuRgsJ9pddphet67LGZvTuD/jhLD/6dUJBrb9IqepaBK:b+QJkwgsLDdpg5ZqrhLDSdUJBrRI1
Malware Config
Signatures
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Xmrig family
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XMRig Miner payload 9 IoCs
resource yara_rule behavioral1/memory/2632-42-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/2632-43-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/2632-37-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/2632-36-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/2632-41-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/2632-40-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/2632-39-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/2632-44-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/2632-45-0x0000000140000000-0x0000000140848000-memory.dmp xmrig -
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2776 powershell.exe 2516 powershell.exe -
Creates new service(s) 2 TTPs
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Drops file in Drivers directory 2 IoCs
description ioc Process File created C:\Windows\system32\drivers\etc\hosts a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe File created C:\Windows\system32\drivers\etc\hosts zrgqfbcavrkx.exe -
Executes dropped EXE 2 IoCs
pid Process 476 Process not Found 2496 zrgqfbcavrkx.exe -
Loads dropped DLL 1 IoCs
pid Process 476 Process not Found -
Power Settings 1 TTPs 8 IoCs
powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.
pid Process 1136 powercfg.exe 572 powercfg.exe 1432 powercfg.exe 1572 powercfg.exe 2292 powercfg.exe 2296 powercfg.exe 1452 powercfg.exe 1940 powercfg.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe File opened for modification C:\Windows\system32\MRT.exe zrgqfbcavrkx.exe File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe File opened for modification C:\Windows\system32\MRT.exe a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2496 set thread context of 2976 2496 zrgqfbcavrkx.exe 85 PID 2496 set thread context of 2632 2496 zrgqfbcavrkx.exe 86 -
resource yara_rule behavioral1/memory/2632-29-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2632-35-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2632-42-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2632-43-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2632-37-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2632-32-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2632-36-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2632-31-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2632-30-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2632-41-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2632-40-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2632-39-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2632-44-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2632-45-0x0000000140000000-0x0000000140848000-memory.dmp upx -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\wusa.lock wusa.exe File created C:\Windows\wusa.lock wusa.exe -
Launches sc.exe 14 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1680 sc.exe 1424 sc.exe 1760 sc.exe 2148 sc.exe 1932 sc.exe 2532 sc.exe 484 sc.exe 1600 sc.exe 2888 sc.exe 2824 sc.exe 2924 sc.exe 1748 sc.exe 2580 sc.exe 2252 sc.exe -
Modifies data under HKEY_USERS 2 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = 507611c4243adb01 powershell.exe -
Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 2732 a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe 2776 powershell.exe 2732 a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe 2732 a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe 2732 a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe 2732 a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe 2732 a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe 2732 a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe 2732 a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe 2732 a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe 2732 a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe 2732 a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe 2732 a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe 2732 a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe 2732 a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe 2732 a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe 2496 zrgqfbcavrkx.exe 2516 powershell.exe 2496 zrgqfbcavrkx.exe 2496 zrgqfbcavrkx.exe 2496 zrgqfbcavrkx.exe 2496 zrgqfbcavrkx.exe 2496 zrgqfbcavrkx.exe 2496 zrgqfbcavrkx.exe 2496 zrgqfbcavrkx.exe 2496 zrgqfbcavrkx.exe 2496 zrgqfbcavrkx.exe 2496 zrgqfbcavrkx.exe 2496 zrgqfbcavrkx.exe 2496 zrgqfbcavrkx.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 2776 powershell.exe Token: SeShutdownPrivilege 1136 powercfg.exe Token: SeShutdownPrivilege 572 powercfg.exe Token: SeShutdownPrivilege 1572 powercfg.exe Token: SeShutdownPrivilege 1432 powercfg.exe Token: SeDebugPrivilege 2516 powershell.exe Token: SeShutdownPrivilege 2296 powercfg.exe Token: SeShutdownPrivilege 1452 powercfg.exe Token: SeShutdownPrivilege 2292 powercfg.exe Token: SeShutdownPrivilege 1940 powercfg.exe Token: SeLockMemoryPrivilege 2632 svchost.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2740 wrote to memory of 2652 2740 cmd.exe 38 PID 2740 wrote to memory of 2652 2740 cmd.exe 38 PID 2740 wrote to memory of 2652 2740 cmd.exe 38 PID 2784 wrote to memory of 3036 2784 cmd.exe 69 PID 2784 wrote to memory of 3036 2784 cmd.exe 69 PID 2784 wrote to memory of 3036 2784 cmd.exe 69 PID 2496 wrote to memory of 2976 2496 zrgqfbcavrkx.exe 85 PID 2496 wrote to memory of 2976 2496 zrgqfbcavrkx.exe 85 PID 2496 wrote to memory of 2976 2496 zrgqfbcavrkx.exe 85 PID 2496 wrote to memory of 2976 2496 zrgqfbcavrkx.exe 85 PID 2496 wrote to memory of 2976 2496 zrgqfbcavrkx.exe 85 PID 2496 wrote to memory of 2976 2496 zrgqfbcavrkx.exe 85 PID 2496 wrote to memory of 2976 2496 zrgqfbcavrkx.exe 85 PID 2496 wrote to memory of 2976 2496 zrgqfbcavrkx.exe 85 PID 2496 wrote to memory of 2976 2496 zrgqfbcavrkx.exe 85 PID 2496 wrote to memory of 2632 2496 zrgqfbcavrkx.exe 86 PID 2496 wrote to memory of 2632 2496 zrgqfbcavrkx.exe 86 PID 2496 wrote to memory of 2632 2496 zrgqfbcavrkx.exe 86 PID 2496 wrote to memory of 2632 2496 zrgqfbcavrkx.exe 86 PID 2496 wrote to memory of 2632 2496 zrgqfbcavrkx.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe"C:\Users\Admin\AppData\Local\Temp\a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe"1⤵
- Drops file in Drivers directory
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2732 -
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⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2776
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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:2740 -
C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart3⤵
- Drops file in Windows directory
PID:2652
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop UsoSvc2⤵
- Launches sc.exe
PID:1680
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop WaaSMedicSvc2⤵
- Launches sc.exe
PID:2580
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop wuauserv2⤵
- Launches sc.exe
PID:2252
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop bits2⤵
- Launches sc.exe
PID:2532
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop dosvc2⤵
- Launches sc.exe
PID:484
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:1136
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:572
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -standby-timeout-ac 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:1432
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -standby-timeout-dc 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:1572
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe delete "RLNALEWN"2⤵
- Launches sc.exe
PID:1424
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe create "RLNALEWN" binpath= "C:\ProgramData\htsdqitpnkda\zrgqfbcavrkx.exe" start= "auto"2⤵
- Launches sc.exe
PID:2148
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop eventlog2⤵
- Launches sc.exe
PID:1600
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start "RLNALEWN"2⤵
- Launches sc.exe
PID:2888
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C:\ProgramData\htsdqitpnkda\zrgqfbcavrkx.exeC:\ProgramData\htsdqitpnkda\zrgqfbcavrkx.exe1⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2496 -
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⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2516
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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:2784 -
C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart3⤵
- Drops file in Windows directory
PID:3036
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop UsoSvc2⤵
- Launches sc.exe
PID:2824
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop WaaSMedicSvc2⤵
- Launches sc.exe
PID:2924
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop wuauserv2⤵
- Launches sc.exe
PID:1748
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop bits2⤵
- Launches sc.exe
PID:1932
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop dosvc2⤵
- Launches sc.exe
PID:1760
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:1940
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:1452
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -standby-timeout-ac 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:2296
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -standby-timeout-dc 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:2292
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C:\Windows\system32\conhost.exeC:\Windows\system32\conhost.exe2⤵PID:2976
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C:\Windows\system32\svchost.exesvchost.exe2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2632
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1007B
MD53a9662312614b856b548c94bc410cd23
SHA1e008df0cd134359e2ae897975f5a258cdda67cef
SHA256d47944cc0756d7b558fd2ee5cc0e1f8aeb195c22b5fa40c912130d1c36958395
SHA512435a8555c0c90668baaf10c6c9e016b651bb14b1f0fe0427dade063d7de65621fd1bbb75e667276e5ba8049e30d4f018b86b5267df0b7b731c1cc314eaede2ed
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Filesize
2.5MB
MD5c9a04bf748d1ee29a43ac3f0ddace478
SHA1891bd4e634a9c5fec1a3de80bff55c665236b58d
SHA256a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc
SHA512e17edb74f5cb4d8aabb4c775ec25a271f201da3adcb03541b1919526c0939694a768affc21c3066327e57c13bc9bb481074e51e4e78867df847b26f063b4c115