c4e3fd4bec97eab33175137a64ff9f87d417b3746fbaa431a43d202e96fa6739

General

Target

dictate 06.21.doc
Size

49KB
MD5

2778650cf580fcab0d721d41ead80517
SHA1

9464966e79017b77400fd5ea0dd5f1a324cc61bd
SHA256

f2040360f616328b604f250435c203f28ed71cae425e730f1d1106dc4e00b1e1
SHA512

3f7c1d8b96e4d42213c7b9dc756a75b7a1578814933d7975192797e384b55feaeb8bb51241fbfaa25e5111b4f2c6169c056563c1272449cb7b2ed1d8c2909c8e

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	2452	4064	explorer.exe	WINWORD.EXE

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 3756 created 2184 3756 WerFault.exe mshta.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

2144 2184 WerFault.exe mshta.exe
3756 2184 WerFault.exe mshta.exe

description	pid	process	target process
PID 3756 created 2184	3756	WerFault.exe	mshta.exe

pid	pid_target	process	target process
2144	2184	WerFault.exe	mshta.exe
3756	2184	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-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings explorer.exe
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4064 WINWORD.EXE
4064 WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

WerFault.exe

pid	process
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2144 WerFault.exe
Token: SeBackupPrivilege 2144 WerFault.exe
Token: SeDebugPrivilege 2144 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2144	WerFault.exe
Token: SeBackupPrivilege	2144	WerFault.exe
Token: SeDebugPrivilege	2144	WerFault.exe

Suspicious use of SetWindowsHookEx 25 IoCs

Processes:

WINWORD.EXE

pid	process
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE
4064	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

WINWORD.EXEexplorer.exe

description	pid	process	target process
PID 4064 wrote to memory of 2452	4064	WINWORD.EXE	explorer.exe
PID 4064 wrote to memory of 2452	4064	WINWORD.EXE	explorer.exe
PID 2080 wrote to memory of 2184	2080	explorer.exe	mshta.exe
PID 2080 wrote to memory of 2184	2080	explorer.exe	mshta.exe
PID 2080 wrote to memory of 2184	2080	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\dictate 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:4064

C:\Windows\explorer.exe
explorer c:\programdata\procedureI.hta
2⤵
- Process spawned unexpected child process
PID:2452

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2080

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\ProgramData\procedureI.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
2⤵
PID:2184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 1332
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 1640
3⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
PID:3756

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\procedureI.hta
MD5
35d8c5ca4ad2af5f2a360cad0003bd42

SHA1
02ae1065409d7f897a90155f85881f340a847ea1

SHA256
471578f00b2f4e3aefc0dc3c625569210c67a08e6ac203de96918c31aa802bb5

SHA512
7e7f99739fa74e65ee968b432d7fa80f9cd0cd1bf45064327b88056af70ecd19ae93cf00cc51d5c317a4260931731e164dac6d3331bab263ac995cf61b031d82

Download Submit
memory/2184-181-0x0000000000000000-mapping.dmp

Download
memory/2452-179-0x0000000000000000-mapping.dmp

Download
memory/4064-114-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/4064-115-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/4064-116-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/4064-117-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/4064-119-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/4064-118-0x00007FFDC46D0000-0x00007FFDC71F3000-memory.dmp

Filesize
43.1MB

Download
memory/4064-122-0x00007FFDBDFC0000-0x00007FFDBF0AE000-memory.dmp

Filesize
16.9MB

Download
memory/4064-123-0x00007FFDBC0C0000-0x00007FFDBDFB5000-memory.dmp

Filesize
31.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads