b794fe749ab133b1a4197cd713c0d8e70723058e5c2d3df57b553475c12e42a8

General

Target

enjoin-06.21.doc
Size

49KB
MD5

68f3731796cce6ce450d1b9e05093b2a
SHA1

9ccac54605eb3b0aa365cb359f6c71cb0a912fb8
SHA256

b794fe749ab133b1a4197cd713c0d8e70723058e5c2d3df57b553475c12e42a8
SHA512

ebd6e06b28ccb3a03d463da8d343a79ba31fc0b30424be972a520f5352561ddc4121f0a81744c30b80fb2c18660078c0ea72f0b22303ce2b7c68614c0124592b

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

explorer.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	1160	640	explorer.exe	WINWORD.EXE

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1920 3136 WerFault.exe mshta.exe

pid	pid_target	process	target process
1920	3136	WerFault.exe	mshta.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 registry class 1 IoCs

Processes:

explorer.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings explorer.exe
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

640 WINWORD.EXE
640 WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

WerFault.exe

pid	process
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1920 WerFault.exe
Token: SeBackupPrivilege 1920 WerFault.exe
Token: SeDebugPrivilege 1920 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1920	WerFault.exe
Token: SeBackupPrivilege	1920	WerFault.exe
Token: SeDebugPrivilege	1920	WerFault.exe

Suspicious use of SetWindowsHookEx 24 IoCs

Processes:

WINWORD.EXE

pid	process
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

WINWORD.EXEexplorer.exe

description	pid	process	target process
PID 640 wrote to memory of 1160	640	WINWORD.EXE	explorer.exe
PID 640 wrote to memory of 1160	640	WINWORD.EXE	explorer.exe
PID 4084 wrote to memory of 3136	4084	explorer.exe	mshta.exe
PID 4084 wrote to memory of 3136	4084	explorer.exe	mshta.exe
PID 4084 wrote to memory of 3136	4084	explorer.exe	mshta.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\enjoin-06.21.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:640

C:\Windows\explorer.exe
C:\Windows\explorer.exe c:\programdata\globalCounter.hta
2⤵
- Process spawned unexpected child process
PID:1160

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4084

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\ProgramData\globalCounter.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
2⤵
PID:3136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 1328
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1920

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\globalCounter.hta
MD5
a10cc5c493b3ebc1f075424e146e92f0

SHA1
1ccaa12aae57ee57c36db36d5eb315373bcadb6c

SHA256
3b5b0403702eb792bae7f736afdfb7474d83a1ee471c334e9988926d3cf420ae

SHA512
148c03979dedb4b24ca88dad4b0d4d7ea6409febd34921044fa37be016632bb0267c737ef2b0d3da317010f0a868ced277ec632868cd8810fdc80646260adcdd

Download Submit
memory/640-114-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/640-115-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/640-116-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/640-117-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/640-119-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/640-118-0x00007FFAE5CA0000-0x00007FFAE87C3000-memory.dmp

Filesize
43.1MB

Download
memory/640-122-0x00007FFAE06B0000-0x00007FFAE179E000-memory.dmp

Filesize
16.9MB

Download
memory/640-123-0x00007FFADE7B0000-0x00007FFAE06A5000-memory.dmp

Filesize
31.0MB

Download
memory/1160-143-0x0000000000000000-mapping.dmp

Download
memory/3136-145-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads