0b5450047f5d2d2a2710902083aba25bd1999e9378fab3e885a90586c8f274e9

General

Target

direct 010.21.doc
Size

34KB
MD5

cbfc543998fd4a558517ae61338c48f3
SHA1

779894322ce9ce5fded2aca4ad8717f8aea63ea3
SHA256

0b5450047f5d2d2a2710902083aba25bd1999e9378fab3e885a90586c8f274e9
SHA512

bf0a8a2cc66c4ba467b598bd97f5d4c110443757b6541e4773f07ace795005a5abc517c0ddeb6d99976e1a800181d7bf5ac327e2ad0315542b7845bcb44898f6

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:

mshta.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	1348	4384	mshta.exe	WINWORD.EXE

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

33 1348 mshta.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

flow	pid	process
33	1348	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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4384 WINWORD.EXE
4384 WINWORD.EXE

Suspicious use of SetWindowsHookEx 20 IoCs

Processes:

WINWORD.EXE

pid	process
4384	WINWORD.EXE
4384	WINWORD.EXE
4384	WINWORD.EXE
4384	WINWORD.EXE
4384	WINWORD.EXE
4384	WINWORD.EXE
4384	WINWORD.EXE
4384	WINWORD.EXE
4384	WINWORD.EXE
4384	WINWORD.EXE
4384	WINWORD.EXE
4384	WINWORD.EXE
4384	WINWORD.EXE
4384	WINWORD.EXE
4384	WINWORD.EXE
4384	WINWORD.EXE
4384	WINWORD.EXE
4384	WINWORD.EXE
4384	WINWORD.EXE
4384	WINWORD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

WINWORD.EXEmshta.exe

description	pid	process	target process
PID 4384 wrote to memory of 1348	4384	WINWORD.EXE	mshta.exe
PID 4384 wrote to memory of 1348	4384	WINWORD.EXE	mshta.exe
PID 4384 wrote to memory of 1348	4384	WINWORD.EXE	mshta.exe
PID 1348 wrote to memory of 4764	1348	mshta.exe	regsvr32.exe
PID 1348 wrote to memory of 4764	1348	mshta.exe	regsvr32.exe
PID 1348 wrote to memory of 4764	1348	mshta.exe	regsvr32.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\direct 010.21.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:4384

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\users\public\redCaroline.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1348

C:\Windows\SysWOW64\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" c:\users\public\kingCaroline.jpg
3⤵
PID:4764

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

3

T1082

Query Registry

2

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\users\public\redCaroline.hta
MD5
57425688ce24cb6a11e916c881c6b98a

SHA1
6c9ee880af48620a12f5a6e289bceb799121d79a

SHA256
ada29317ab1852485d22e6dd89b4623f10625c78937d4b360e9bdef3d1d099f5

SHA512
17e64381274361bd421b4f7e700d69b8cf07fb0bc8e877aa9621661eb562f1e8f6aef1d2d6d0fb1ae494a23dddb24d561dc76065cf88ce3a8eda05d630193847

Download Submit
\??\c:\users\public\kingCaroline.jpg
MD5
5285d7310b08cc1f7eff5ed1ab898972

SHA1
3d6f2bd6cfa847ccf5b1329d455a1e63dcbb2b8d

SHA256
38dac079572ca83781ce773072dbbfad2169909fd78d5678bcaeb876ab00997f

SHA512
d749cc3ec465e38496eb654abb53d44732802416b08398814beb164d740c454a8932c53a335f367d6ead376385a516ed25ae46c8d39641e527c401508eaac1a8

Download Submit
memory/1348-257-0x0000000000000000-mapping.dmp

Download
memory/4384-118-0x00007FFBE8080000-0x00007FFBE8090000-memory.dmp

Filesize
64KB

Download
memory/4384-120-0x0000025AFB8D0000-0x0000025AFB8D2000-memory.dmp

Filesize
8KB

Download
memory/4384-119-0x0000025AFB8D0000-0x0000025AFB8D2000-memory.dmp

Filesize
8KB

Download
memory/4384-121-0x00007FFBE8080000-0x00007FFBE8090000-memory.dmp

Filesize
64KB

Download
memory/4384-122-0x0000025AFB8D0000-0x0000025AFB8D2000-memory.dmp

Filesize
8KB

Download
memory/4384-126-0x00007FFBE4510000-0x00007FFBE4520000-memory.dmp

Filesize
64KB

Download
memory/4384-115-0x00007FFBE8080000-0x00007FFBE8090000-memory.dmp

Filesize
64KB

Download
memory/4384-117-0x00007FFBE8080000-0x00007FFBE8090000-memory.dmp

Filesize
64KB

Download
memory/4384-116-0x00007FFBE8080000-0x00007FFBE8090000-memory.dmp

Filesize
64KB

Download
memory/4764-290-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads