Analysis
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max time kernel
119s -
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
22-12-2024 08:38
Static task
static1
Behavioral task
behavioral1
Sample
a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe
Resource
win7-20240903-en
General
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Target
a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe
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Size
5.6MB
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MD5
499551fd9390d4b2b9b1c743e7e8ca40
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SHA1
a1ddfe41c2946f4a87fefa22c9b95c039dbd128a
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SHA256
a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445
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SHA512
728db375640675b49a5d7d3f6d892f9d6cd4c89ea7df30b5ff35328089d2bde980a7afc44dd399cafd17ef27c555b55bce83db43415463246038e6d5295de8a5
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SSDEEP
98304:KggSZTFznDHwE8oohoIgNgx+r3P4jw4fn9E32RW0O2gT/gQGhP3oFL6p4kvDZ/Hn:DgSZJznDHMo+JgNgx+r3P+e32BO2gjgj
Malware Config
Signatures
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Xmrig family
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XMRig Miner payload 8 IoCs
resource yara_rule behavioral1/memory/1556-34-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/1556-33-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/1556-36-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/1556-40-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/1556-39-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/1556-38-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/1556-37-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/1556-41-0x0000000140000000-0x0000000140848000-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 1944 powershell.exe 2836 powershell.exe -
Creates new service(s) 2 TTPs
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Deletes itself 1 IoCs
pid Process 1932 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 476 Process not Found 2812 fqwofdtexigy.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 2720 powercfg.exe 2832 powercfg.exe 1588 powercfg.exe 2640 powercfg.exe 2464 powercfg.exe 2756 powercfg.exe 2816 powercfg.exe 2952 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 a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.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 fqwofdtexigy.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2812 set thread context of 2440 2812 fqwofdtexigy.exe 85 PID 2812 set thread context of 1556 2812 fqwofdtexigy.exe 90 -
resource yara_rule behavioral1/memory/1556-34-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1556-33-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1556-32-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1556-31-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1556-30-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1556-29-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1556-28-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1556-36-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1556-40-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1556-39-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1556-38-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1556-37-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1556-41-0x0000000140000000-0x0000000140848000-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 2176 sc.exe 2848 sc.exe 2852 sc.exe 2196 sc.exe 2328 sc.exe 2788 sc.exe 2168 sc.exe 1272 sc.exe 2892 sc.exe 2764 sc.exe 1696 sc.exe 2932 sc.exe 2936 sc.exe 1716 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 = e0e5bee34c54db01 powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2364 a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe 1944 powershell.exe 2364 a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe 2364 a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe 2364 a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe 2364 a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe 2364 a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe 2364 a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe 2364 a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe 2364 a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe 2364 a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe 2364 a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe 2364 a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe 2364 a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe 2364 a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe 2364 a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe 2364 a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe 2812 fqwofdtexigy.exe 2836 powershell.exe 2812 fqwofdtexigy.exe 2812 fqwofdtexigy.exe 2812 fqwofdtexigy.exe 2812 fqwofdtexigy.exe 2812 fqwofdtexigy.exe 2812 fqwofdtexigy.exe 2812 fqwofdtexigy.exe 2812 fqwofdtexigy.exe 2812 fqwofdtexigy.exe 2812 fqwofdtexigy.exe 2812 fqwofdtexigy.exe 2812 fqwofdtexigy.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe 1556 nslookup.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 1944 powershell.exe Token: SeShutdownPrivilege 2756 powercfg.exe Token: SeShutdownPrivilege 2640 powercfg.exe Token: SeShutdownPrivilege 2464 powercfg.exe Token: SeShutdownPrivilege 2816 powercfg.exe Token: SeDebugPrivilege 2836 powershell.exe Token: SeShutdownPrivilege 2720 powercfg.exe Token: SeShutdownPrivilege 2952 powercfg.exe Token: SeShutdownPrivilege 2832 powercfg.exe Token: SeShutdownPrivilege 1588 powercfg.exe Token: SeLockMemoryPrivilege 1556 nslookup.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 604 wrote to memory of 2916 604 cmd.exe 39 PID 604 wrote to memory of 2916 604 cmd.exe 39 PID 604 wrote to memory of 2916 604 cmd.exe 39 PID 1932 wrote to memory of 2688 1932 cmd.exe 64 PID 1932 wrote to memory of 2688 1932 cmd.exe 64 PID 1932 wrote to memory of 2688 1932 cmd.exe 64 PID 2156 wrote to memory of 2040 2156 cmd.exe 72 PID 2156 wrote to memory of 2040 2156 cmd.exe 72 PID 2156 wrote to memory of 2040 2156 cmd.exe 72 PID 2812 wrote to memory of 2440 2812 fqwofdtexigy.exe 85 PID 2812 wrote to memory of 2440 2812 fqwofdtexigy.exe 85 PID 2812 wrote to memory of 2440 2812 fqwofdtexigy.exe 85 PID 2812 wrote to memory of 2440 2812 fqwofdtexigy.exe 85 PID 2812 wrote to memory of 2440 2812 fqwofdtexigy.exe 85 PID 2812 wrote to memory of 2440 2812 fqwofdtexigy.exe 85 PID 2812 wrote to memory of 2440 2812 fqwofdtexigy.exe 85 PID 2812 wrote to memory of 2440 2812 fqwofdtexigy.exe 85 PID 2812 wrote to memory of 2440 2812 fqwofdtexigy.exe 85 PID 2812 wrote to memory of 1556 2812 fqwofdtexigy.exe 90 PID 2812 wrote to memory of 1556 2812 fqwofdtexigy.exe 90 PID 2812 wrote to memory of 1556 2812 fqwofdtexigy.exe 90 PID 2812 wrote to memory of 1556 2812 fqwofdtexigy.exe 90 PID 2812 wrote to memory of 1556 2812 fqwofdtexigy.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe"C:\Users\Admin\AppData\Local\Temp\a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe"1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2364 -
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: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:604 -
C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart3⤵
- Drops file in Windows directory
PID:2916
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop UsoSvc2⤵
- Launches sc.exe
PID:2328
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop WaaSMedicSvc2⤵
- Launches sc.exe
PID:2892
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop wuauserv2⤵
- Launches sc.exe
PID:2932
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop bits2⤵
- Launches sc.exe
PID:2764
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop dosvc2⤵
- Launches sc.exe
PID:2936
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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:2640
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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:2464
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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:2756
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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:2816
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe delete "JVNIRHNX"2⤵
- Launches sc.exe
PID:2788
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe create "JVNIRHNX" binpath= "C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe" start= "auto"2⤵
- Launches sc.exe
PID:1696
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop eventlog2⤵
- Launches sc.exe
PID:2176
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start "JVNIRHNX"2⤵
- Launches sc.exe
PID:2168
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445N.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 33⤵PID:2688
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C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exeC:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2812 -
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:2836
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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:2156 -
C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart3⤵
- Drops file in Windows directory
PID:2040
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop UsoSvc2⤵
- Launches sc.exe
PID:1716
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop WaaSMedicSvc2⤵
- Launches sc.exe
PID:2848
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop wuauserv2⤵
- Launches sc.exe
PID:2852
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop bits2⤵
- Launches sc.exe
PID:1272
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop dosvc2⤵
- Launches sc.exe
PID:2196
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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:2952
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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:2720
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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:2832
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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:1588
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C:\Windows\system32\conhost.exeC:\Windows\system32\conhost.exe2⤵PID:2440
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C:\Windows\system32\nslookup.exenslookup.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1556
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
5.6MB
MD5499551fd9390d4b2b9b1c743e7e8ca40
SHA1a1ddfe41c2946f4a87fefa22c9b95c039dbd128a
SHA256a5ef1ee07e92ff4c38ca3715931dd6788a8364eb85aa873c5143014c760fd445
SHA512728db375640675b49a5d7d3f6d892f9d6cd4c89ea7df30b5ff35328089d2bde980a7afc44dd399cafd17ef27c555b55bce83db43415463246038e6d5295de8a5