3153184791a1365d5452d7744696dc646064af7c2d55a7f5cfc95e518dc0034e

General

Target

3153184791a1365d5452d7744696dc646064af7c2d55a7f5cfc95e518dc0034e.xls
Size

91KB
MD5

477562b1e6241c189399e0a7e38dd775
SHA1

66c341930e5f252ae5c5d52a8761af3abeda633d
SHA256

3153184791a1365d5452d7744696dc646064af7c2d55a7f5cfc95e518dc0034e
SHA512

563b470c4b7d3719fecf92ce77fcfeb9fd9c09c6de38d796db1f8af5620d9355ed40996d1521d9ad8e0e629a29ebe25892d5c95c9c42e355d7b4ace93187690f
SSDEEP

1536:vKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgHbCXuZH4gb4CEn9J4ZnX5:vKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg9

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://datie-tw.com/img/O8G0RDZj7MYCuJyPoP/

xlm40.dropper

http://sbm.xinmoshiwang.com/upload/VaOfWEb3pW76UO/

xlm40.dropper

https://copunupo.ac.zm/cgi-bin/WFFcGx/

xlm40.dropper

http://ly.yjlianyi.top/wp-admin/4cChao/

Signatures

Process spawned unexpected child process 4 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	2216	4472	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4772	4472	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5044	4472	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4432	4472	regsvr32.exe	82

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
4472	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4472	EXCEL.EXE
4472	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4472 wrote to memory of 2216	4472	EXCEL.EXE	91
PID 4472 wrote to memory of 2216	4472	EXCEL.EXE	91
PID 4472 wrote to memory of 4772	4472	EXCEL.EXE	92
PID 4472 wrote to memory of 4772	4472	EXCEL.EXE	92
PID 4472 wrote to memory of 5044	4472	EXCEL.EXE	97
PID 4472 wrote to memory of 5044	4472	EXCEL.EXE	97
PID 4472 wrote to memory of 4432	4472	EXCEL.EXE	104
PID 4472 wrote to memory of 4432	4472	EXCEL.EXE	104

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\3153184791a1365d5452d7744696dc646064af7c2d55a7f5cfc95e518dc0034e.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4472
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:2216
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:4772
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:5044
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:4432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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/4472-1-0x00007FFCB7890000-0x00007FFCB78A0000-memory.dmp

Filesize
64KB

Download
memory/4472-2-0x00007FFCB7890000-0x00007FFCB78A0000-memory.dmp

Filesize
64KB

Download
memory/4472-4-0x00007FFCB7890000-0x00007FFCB78A0000-memory.dmp

Filesize
64KB

Download
memory/4472-5-0x00007FFCB7890000-0x00007FFCB78A0000-memory.dmp

Filesize
64KB

Download
memory/4472-0-0x00007FFCB7890000-0x00007FFCB78A0000-memory.dmp

Filesize
64KB

Download
memory/4472-3-0x00007FFCF78AD000-0x00007FFCF78AE000-memory.dmp

Filesize
4KB

Download
memory/4472-6-0x00007FFCF7810000-0x00007FFCF7A05000-memory.dmp

Filesize
2.0MB

Download
memory/4472-7-0x00007FFCF7810000-0x00007FFCF7A05000-memory.dmp

Filesize
2.0MB

Download
memory/4472-12-0x00007FFCF7810000-0x00007FFCF7A05000-memory.dmp

Filesize
2.0MB

Download
memory/4472-11-0x00007FFCF7810000-0x00007FFCF7A05000-memory.dmp

Filesize
2.0MB

Download
memory/4472-13-0x00007FFCB5380000-0x00007FFCB5390000-memory.dmp

Filesize
64KB

Download
memory/4472-10-0x00007FFCF7810000-0x00007FFCF7A05000-memory.dmp

Filesize
2.0MB

Download
memory/4472-9-0x00007FFCF7810000-0x00007FFCF7A05000-memory.dmp

Filesize
2.0MB

Download
memory/4472-8-0x00007FFCF7810000-0x00007FFCF7A05000-memory.dmp

Filesize
2.0MB

Download
memory/4472-14-0x00007FFCF7810000-0x00007FFCF7A05000-memory.dmp

Filesize
2.0MB

Download
memory/4472-16-0x00007FFCF7810000-0x00007FFCF7A05000-memory.dmp

Filesize
2.0MB

Download
memory/4472-17-0x00007FFCB5380000-0x00007FFCB5390000-memory.dmp

Filesize
64KB

Download
memory/4472-15-0x00007FFCF7810000-0x00007FFCF7A05000-memory.dmp

Filesize
2.0MB

Download
memory/4472-33-0x00007FFCF7810000-0x00007FFCF7A05000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads