Analysis
- max time kernel
119s - max time network
110s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
29/04/2026, 05:59
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ok.exe
Resource
win10v2004-20260130-en
16 signatures
120 seconds
Behavioral task
behavioral2
Sample
ok.exe
Resource
win11-20260130-en
16 signatures
120 seconds
General
- Target ok.exe
- Size 2.5MB
- Sample260429-gp3npscw4m
- SHA256 5279fb704d726900193d1c90c993567a4ed6140e76cf725e60a31a2e62bdc288
- MD5 7f8f2c8f709bbbf93ac4fbcca065d048
- SHA1 0b54eced504dd109ad5f2fba2f1098e6c3bf8c7a
- SHA512 238294a11bda6f23638683135f41ccef33dced10247d29b25722da46ee319a17cc6b66144a2e3a157950a113dd688c12ccb6944c7c905b2b58874b2fa7c18e1e
- SSDEEP 49152:Y2a0eburfPyR2SxBZz3lfNiKngq2+/Knzmj50ohVl4GJy+CL1clT/Q:9GWCcWZLBkKngqqzmjioDl4GJ6ylL
- TLSH T14EC533EE9189E3FCF899C770E9843EB44856688143A0EDD7AF6D56019A303C8B135F97
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- XMRig Miner payload 9 IoCs
resource yara_rule behavioral2/memory/3752-68-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral2/memory/3752-70-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral2/memory/3752-69-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral2/memory/3752-67-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral2/memory/3752-64-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral2/memory/3752-66-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral2/memory/3752-63-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral2/memory/3752-74-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral2/memory/3752-75-0x0000000140000000-0x0000000140848000-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 1192 powershell.exe 4020 powershell.exe - Creates new service(s) 2 TTPs
- Executes dropped EXE 1 IoCs
pid Process 2756 main.exe - Stops running service(s) 4 TTPs
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
flow ioc 1 pastebin.com 3 pastebin.com - 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 1152 powercfg.exe 4768 powercfg.exe 1440 powercfg.exe 1532 powercfg.exe 2868 powercfg.exe 4032 powercfg.exe 532 powercfg.exe 2448 powercfg.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\system32\MRT.exe main.exe File opened for modification C:\Windows\system32\MRT.exe ok.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive powershell.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log powershell.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2756 set thread context of 2092 2756 main.exe 109 PID 2756 set thread context of 3752 2756 main.exe 115 -
resource yara_rule behavioral2/memory/3752-58-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3752-60-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3752-68-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3752-70-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3752-69-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3752-67-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3752-64-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3752-66-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3752-63-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3752-62-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3752-59-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3752-61-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3752-74-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3752-75-0x0000000140000000-0x0000000140848000-memory.dmp upx - Launches sc.exe 4 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2608 sc.exe 2176 sc.exe 3312 sc.exe 3900 sc.exe - Modifies data under HKEY_USERS 50 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\ROOT svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs svchost.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\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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 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\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1568 ok.exe 4020 powershell.exe 4020 powershell.exe 1568 ok.exe 1568 ok.exe 1568 ok.exe 1568 ok.exe 1568 ok.exe 1568 ok.exe 1568 ok.exe 1568 ok.exe 1568 ok.exe 2756 main.exe 1192 powershell.exe 1192 powershell.exe 2756 main.exe 2756 main.exe 2756 main.exe 2756 main.exe 2756 main.exe 2756 main.exe 2756 main.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe 3752 svchost.exe - Suspicious use of AdjustPrivilegeToken 19 IoCs
description pid Process Token: SeDebugPrivilege 4020 powershell.exe Token: SeShutdownPrivilege 4032 powercfg.exe Token: SeCreatePagefilePrivilege 4032 powercfg.exe Token: SeShutdownPrivilege 2448 powercfg.exe Token: SeCreatePagefilePrivilege 2448 powercfg.exe Token: SeShutdownPrivilege 2868 powercfg.exe Token: SeCreatePagefilePrivilege 2868 powercfg.exe Token: SeShutdownPrivilege 532 powercfg.exe Token: SeCreatePagefilePrivilege 532 powercfg.exe Token: SeDebugPrivilege 1192 powershell.exe Token: SeLockMemoryPrivilege 3752 svchost.exe Token: SeShutdownPrivilege 1152 powercfg.exe Token: SeCreatePagefilePrivilege 1152 powercfg.exe Token: SeShutdownPrivilege 4768 powercfg.exe Token: SeCreatePagefilePrivilege 4768 powercfg.exe Token: SeShutdownPrivilege 1440 powercfg.exe Token: SeCreatePagefilePrivilege 1440 powercfg.exe Token: SeShutdownPrivilege 1532 powercfg.exe Token: SeCreatePagefilePrivilege 1532 powercfg.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 824 wrote to memory of 3648 824 cmd.exe 95 PID 2756 wrote to memory of 2092 2756 main.exe 109 PID 2756 wrote to memory of 2092 2756 main.exe 109 PID 2756 wrote to memory of 2092 2756 main.exe 109 PID 2756 wrote to memory of 2092 2756 main.exe 109 PID 2756 wrote to memory of 2092 2756 main.exe 109 PID 2756 wrote to memory of 2092 2756 main.exe 109 PID 2756 wrote to memory of 2092 2756 main.exe 109 PID 2756 wrote to memory of 2092 2756 main.exe 109 PID 2756 wrote to memory of 3752 2756 main.exe 115 PID 2756 wrote to memory of 3752 2756 main.exe 115 PID 2756 wrote to memory of 3752 2756 main.exe 115 PID 4504 wrote to memory of 4840 4504 cmd.exe 116
Processes
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C:\Users\Admin\AppData\Local\Temp\ok.exe"C:\Users\Admin\AppData\Local\Temp\ok.exe"1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:1568 -
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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4020
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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:824 -
C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart3⤵PID:3648
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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:2448
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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:4032
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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:2868
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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:532
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe delete "Ok"2⤵
- Launches sc.exe
PID:3900
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe create "Ok" binpath= "C:\ProgramData\Ok\main.exe" start= "auto"2⤵
- Launches sc.exe
PID:2608
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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 "Ok"2⤵
- Launches sc.exe
PID:3312
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C:\ProgramData\Ok\main.exeC:\ProgramData\Ok\main.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2756 -
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:1192
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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:4504 -
C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart3⤵PID:4840
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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:1152
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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:4768
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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:1440
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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:1532
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C:\Windows\system32\conhost.exeC:\Windows\system32\conhost.exe2⤵PID:2092
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C:\Windows\system32\svchost.exesvchost.exe2⤵
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3752
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\ProgramData\Ok\main.exe
- Size 2.5MB
- SHA256 5279fb704d726900193d1c90c993567a4ed6140e76cf725e60a31a2e62bdc288
- MD5 7f8f2c8f709bbbf93ac4fbcca065d048
- SHA1 0b54eced504dd109ad5f2fba2f1098e6c3bf8c7a
- SHA512 238294a11bda6f23638683135f41ccef33dced10247d29b25722da46ee319a17cc6b66144a2e3a157950a113dd688c12ccb6944c7c905b2b58874b2fa7c18e1e
- SSDEEP 49152:Y2a0eburfPyR2SxBZz3lfNiKngq2+/Knzmj50ohVl4GJy+CL1clT/Q:9GWCcWZLBkKngqqzmjioDl4GJ6ylL
- TLSH T14EC533EE9189E3FCF899C770E9843EB44856688143A0EDD7AF6D56019A303C8B135F97
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ia1ckycz.m5e.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH