Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240704-en - resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system - submitted
09/07/2024, 02:49
Static task
static1
Behavioral task
behavioral1
Sample
Updatemmmm.exe
Resource
win7-20240705-en
17 signatures
150 seconds
General
- Target Updatemmmm.exe
- Size 2.6MB
- Sample240709-dbgmjavdre
- SHA256 b1a351ee61443b8558934dca6b2fa9efb0a6d2d18bae61ace5a761596604dbfa
- MD5 61d3abff46a6bd2946925542c7d30397
- SHA1 1fed80a136e67a5b7b6846010a5853400886ee9c
- SHA512 e9e25995faff34da94d30394474471dba45f5993a2efd07f5fb8c15cfdf7b3efa7c89d6796c66323938a1c31b3b89bd7578bef7c4297c6a9b68811f00aa89975
- SSDEEP 49152:e+CCncEUAhZfuFtUasR7NICKP6Fhjf+POnLcjzlfXhITNE1u5xY13oNV:c8cMhZfuF6asRxm6Flf++olfX2u1OY13
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- XMRig Miner payload 9 IoCs
resource yara_rule behavioral2/memory/3320-63-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral2/memory/3320-69-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral2/memory/3320-68-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral2/memory/3320-67-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral2/memory/3320-66-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral2/memory/3320-65-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral2/memory/3320-62-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral2/memory/3320-70-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral2/memory/3320-71-0x0000000140000000-0x0000000140848000-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 4200 powershell.exe 1588 powershell.exe - Creates new service(s) 2 TTPs
- Executes dropped EXE 1 IoCs
pid Process 224 Updater.exe -
resource yara_rule behavioral2/memory/3320-59-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3320-63-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3320-69-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3320-68-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3320-67-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3320-66-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3320-65-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3320-62-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3320-61-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3320-58-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3320-57-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3320-60-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3320-70-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral2/memory/3320-71-0x0000000140000000-0x0000000140848000-memory.dmp upx - Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 18 pastebin.com 19 pastebin.com - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\system32\MRT.exe Updatemmmm.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 Updater.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 224 set thread context of 860 224 Updater.exe 124 PID 224 set thread context of 3320 224 Updater.exe 125 - Launches sc.exe 14 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3416 sc.exe 3308 sc.exe 2128 sc.exe 672 sc.exe 2764 sc.exe 3228 sc.exe 2164 sc.exe 3532 sc.exe 4740 sc.exe 4804 sc.exe 4100 sc.exe 3992 sc.exe 1756 sc.exe 1972 sc.exe - Modifies data under HKEY_USERS 50 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\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\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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 svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2200 Updatemmmm.exe 4200 powershell.exe 4200 powershell.exe 2200 Updatemmmm.exe 2200 Updatemmmm.exe 2200 Updatemmmm.exe 2200 Updatemmmm.exe 2200 Updatemmmm.exe 2200 Updatemmmm.exe 2200 Updatemmmm.exe 2200 Updatemmmm.exe 2200 Updatemmmm.exe 2200 Updatemmmm.exe 224 Updater.exe 1588 powershell.exe 1588 powershell.exe 224 Updater.exe 224 Updater.exe 224 Updater.exe 224 Updater.exe 224 Updater.exe 224 Updater.exe 224 Updater.exe 224 Updater.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe 3320 svchost.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4200 powershell.exe Token: SeDebugPrivilege 2200 Updatemmmm.exe Token: SeDebugPrivilege 1588 powershell.exe Token: SeDebugPrivilege 224 Updater.exe Token: SeLockMemoryPrivilege 3320 svchost.exe - Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 4888 wrote to memory of 936 4888 cmd.exe 92 PID 4888 wrote to memory of 936 4888 cmd.exe 92 PID 4088 wrote to memory of 4528 4088 cmd.exe 115 PID 4088 wrote to memory of 4528 4088 cmd.exe 115 PID 224 wrote to memory of 860 224 Updater.exe 124 PID 224 wrote to memory of 860 224 Updater.exe 124 PID 224 wrote to memory of 860 224 Updater.exe 124 PID 224 wrote to memory of 860 224 Updater.exe 124 PID 224 wrote to memory of 860 224 Updater.exe 124 PID 224 wrote to memory of 860 224 Updater.exe 124 PID 224 wrote to memory of 860 224 Updater.exe 124 PID 224 wrote to memory of 860 224 Updater.exe 124 PID 224 wrote to memory of 860 224 Updater.exe 124 PID 224 wrote to memory of 3320 224 Updater.exe 125 PID 224 wrote to memory of 3320 224 Updater.exe 125 PID 224 wrote to memory of 3320 224 Updater.exe 125 PID 224 wrote to memory of 3320 224 Updater.exe 125 PID 224 wrote to memory of 3320 224 Updater.exe 125
Processes
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C:\Users\Admin\AppData\Local\Temp\Updatemmmm.exe"C:\Users\Admin\AppData\Local\Temp\Updatemmmm.exe"1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2200 -
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:4200
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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:4888 -
C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart3⤵PID:936
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop UsoSvc2⤵
- Launches sc.exe
PID:2164
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop WaaSMedicSvc2⤵
- Launches sc.exe
PID:3532
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop wuauserv2⤵
- Launches sc.exe
PID:3416
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop bits2⤵
- Launches sc.exe
PID:3308
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop dosvc2⤵
- Launches sc.exe
PID:1756
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe delete "WindowsUpdate"2⤵
- Launches sc.exe
PID:1972
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe create "WindowsUpdate" binpath= "C:\ProgramData\Windows11\Updater.exe" start= "auto"2⤵
- Launches sc.exe
PID:4740
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop eventlog2⤵
- Launches sc.exe
PID:4804
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start "WindowsUpdate"2⤵
- Launches sc.exe
PID:4100
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C:\ProgramData\Windows11\Updater.exeC:\ProgramData\Windows11\Updater.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:224 -
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:1588
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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:4088 -
C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart3⤵PID:4528
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop UsoSvc2⤵
- Launches sc.exe
PID:2128
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop WaaSMedicSvc2⤵
- Launches sc.exe
PID:3992
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop wuauserv2⤵
- Launches sc.exe
PID:672
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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:3228
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C:\Windows\system32\conhost.exeC:\Windows\system32\conhost.exe2⤵PID:860
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C:\Windows\system32\svchost.exesvchost.exe2⤵
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3320
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\ProgramData\Windows11\Updater.exe
- Size 2.6MB
- SHA256 b1a351ee61443b8558934dca6b2fa9efb0a6d2d18bae61ace5a761596604dbfa
- MD5 61d3abff46a6bd2946925542c7d30397
- SHA1 1fed80a136e67a5b7b6846010a5853400886ee9c
- SHA512 e9e25995faff34da94d30394474471dba45f5993a2efd07f5fb8c15cfdf7b3efa7c89d6796c66323938a1c31b3b89bd7578bef7c4297c6a9b68811f00aa89975
- SSDEEP 49152:e+CCncEUAhZfuFtUasR7NICKP6Fhjf+POnLcjzlfXhITNE1u5xY13oNV:c8cMhZfuF6asRxm6Flf++olfX2u1OY13
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_t5fcl0un.vss.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512