Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20/05/2024, 04:54
Static task
static1
Behavioral task
behavioral1
Sample
Access.rar
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
Access.rar
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
Access/Read.txt
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
Access/Read.txt
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
Access/Redirect to Access.exe
Resource
win7-20240221-en
General
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Target
Access/Redirect to Access.exe
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Size
2.5MB
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MD5
16cd4cb40bf3e13146f06b01cc5dd251
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SHA1
1852f2b44fb024c0d1039c1497d45e10ac8586db
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SHA256
e45f3b1634526e3277275eb9962fc4b9d3e299bc5348b08d649a4b09b3991e35
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SHA512
1fb86bf170a858d0037c9207c9877fac82231efc39e48fbe66bb0879ef87a0ae692ba731aaa102a4be7211176e53b4d40ad91a68c7c3c02a29d1ffc433cf9fb6
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SSDEEP
49152:ye4U8f2fvPcuPvhN4UgpX6FWmHEksxF68RNcK7hojRvLbwcrbEGf3LkKSKGS:ye4U8f2DPvh26tHZ6F6a2+hwNw24GT3b
Malware Config
Signatures
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XMRig Miner payload 9 IoCs
resource yara_rule behavioral6/memory/4960-62-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral6/memory/4960-61-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral6/memory/4960-64-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral6/memory/4960-67-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral6/memory/4960-65-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral6/memory/4960-66-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral6/memory/4960-68-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral6/memory/4960-69-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral6/memory/4960-70-0x0000000140000000-0x0000000140848000-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 3704 powershell.exe 464 powershell.exe -
Creates new service(s) 2 TTPs
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Executes dropped EXE 1 IoCs
pid Process 3556 AdBlockV1.01.exe -
resource yara_rule behavioral6/memory/4960-58-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral6/memory/4960-62-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral6/memory/4960-61-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral6/memory/4960-60-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral6/memory/4960-57-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral6/memory/4960-59-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral6/memory/4960-56-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral6/memory/4960-64-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral6/memory/4960-67-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral6/memory/4960-65-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral6/memory/4960-66-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral6/memory/4960-68-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral6/memory/4960-69-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral6/memory/4960-70-0x0000000140000000-0x0000000140848000-memory.dmp upx -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\system32\MRT.exe Redirect to Access.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 AdBlockV1.01.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3556 set thread context of 1788 3556 AdBlockV1.01.exe 133 PID 3556 set thread context of 4960 3556 AdBlockV1.01.exe 134 -
Launches sc.exe 14 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 116 sc.exe 4468 sc.exe 4872 sc.exe 2720 sc.exe 1108 sc.exe 2964 sc.exe 4244 sc.exe 3908 sc.exe 2160 sc.exe 1980 sc.exe 5012 sc.exe 4920 sc.exe 3204 sc.exe 2928 sc.exe -
Modifies data under HKEY_USERS 46 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\UNCAsIntranet = "1" 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\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\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\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\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\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1656 Redirect to Access.exe 3704 powershell.exe 3704 powershell.exe 1656 Redirect to Access.exe 1656 Redirect to Access.exe 1656 Redirect to Access.exe 1656 Redirect to Access.exe 1656 Redirect to Access.exe 1656 Redirect to Access.exe 1656 Redirect to Access.exe 1656 Redirect to Access.exe 1656 Redirect to Access.exe 1656 Redirect to Access.exe 3556 AdBlockV1.01.exe 464 powershell.exe 464 powershell.exe 3556 AdBlockV1.01.exe 3556 AdBlockV1.01.exe 3556 AdBlockV1.01.exe 3556 AdBlockV1.01.exe 3556 AdBlockV1.01.exe 3556 AdBlockV1.01.exe 3556 AdBlockV1.01.exe 3556 AdBlockV1.01.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe 4960 explorer.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3704 powershell.exe Token: SeDebugPrivilege 464 powershell.exe Token: SeLockMemoryPrivilege 4960 explorer.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3616 wrote to memory of 2568 3616 cmd.exe 101 PID 3616 wrote to memory of 2568 3616 cmd.exe 101 PID 3164 wrote to memory of 892 3164 cmd.exe 124 PID 3164 wrote to memory of 892 3164 cmd.exe 124 PID 3556 wrote to memory of 1788 3556 AdBlockV1.01.exe 133 PID 3556 wrote to memory of 1788 3556 AdBlockV1.01.exe 133 PID 3556 wrote to memory of 1788 3556 AdBlockV1.01.exe 133 PID 3556 wrote to memory of 1788 3556 AdBlockV1.01.exe 133 PID 3556 wrote to memory of 1788 3556 AdBlockV1.01.exe 133 PID 3556 wrote to memory of 1788 3556 AdBlockV1.01.exe 133 PID 3556 wrote to memory of 1788 3556 AdBlockV1.01.exe 133 PID 3556 wrote to memory of 1788 3556 AdBlockV1.01.exe 133 PID 3556 wrote to memory of 1788 3556 AdBlockV1.01.exe 133 PID 3556 wrote to memory of 4960 3556 AdBlockV1.01.exe 134 PID 3556 wrote to memory of 4960 3556 AdBlockV1.01.exe 134 PID 3556 wrote to memory of 4960 3556 AdBlockV1.01.exe 134 PID 3556 wrote to memory of 4960 3556 AdBlockV1.01.exe 134 PID 3556 wrote to memory of 4960 3556 AdBlockV1.01.exe 134
Processes
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C:\Users\Admin\AppData\Local\Temp\Access\Redirect to Access.exe"C:\Users\Admin\AppData\Local\Temp\Access\Redirect to Access.exe"1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:1656 -
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:3704
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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:3616 -
C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart3⤵PID:2568
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop UsoSvc2⤵
- Launches sc.exe
PID:116
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop WaaSMedicSvc2⤵
- Launches sc.exe
PID:4920
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop wuauserv2⤵
- Launches sc.exe
PID:4468
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop bits2⤵
- Launches sc.exe
PID:3204
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop dosvc2⤵
- Launches sc.exe
PID:4244
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe delete "ChromeAddons"2⤵
- Launches sc.exe
PID:1108
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe create "ChromeAddons" binpath= "C:\ProgramData\ChromeAddons64\AdBlockV1.01.exe" start= "auto"2⤵
- Launches sc.exe
PID:2928
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop eventlog2⤵
- Launches sc.exe
PID:3908
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start "ChromeAddons"2⤵
- Launches sc.exe
PID:2964
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C:\ProgramData\ChromeAddons64\AdBlockV1.01.exeC:\ProgramData\ChromeAddons64\AdBlockV1.01.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3556 -
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:464
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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:3164 -
C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart3⤵PID:892
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop UsoSvc2⤵
- Launches sc.exe
PID:2160
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop WaaSMedicSvc2⤵
- Launches sc.exe
PID:4872
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop wuauserv2⤵
- Launches sc.exe
PID:2720
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop bits2⤵
- Launches sc.exe
PID:1980
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop dosvc2⤵
- Launches sc.exe
PID:5012
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C:\Windows\system32\conhost.exeC:\Windows\system32\conhost.exe2⤵PID:1788
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C:\Windows\explorer.exeexplorer.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4960
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.5MB
MD516cd4cb40bf3e13146f06b01cc5dd251
SHA11852f2b44fb024c0d1039c1497d45e10ac8586db
SHA256e45f3b1634526e3277275eb9962fc4b9d3e299bc5348b08d649a4b09b3991e35
SHA5121fb86bf170a858d0037c9207c9877fac82231efc39e48fbe66bb0879ef87a0ae692ba731aaa102a4be7211176e53b4d40ad91a68c7c3c02a29d1ffc433cf9fb6
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82