e83f6fa3b3608656bd6dbaeff724b5b67e78e3bd05150a9eb68086f2b5e2398c

General

Target

87c3545310157886ea652afb97e0dfa9e7d09a6392663710091f20f53757da4a.xls
Size

91KB
MD5

eb6e88a5ea61dd9dde6e08f466051c52
SHA1

3e4b742d8e9829687c602de589629956d070393f
SHA256

87c3545310157886ea652afb97e0dfa9e7d09a6392663710091f20f53757da4a
SHA512

19681de8a7674b97a81c96cdadec6bb12e588a2e788ff30db39ef574818e189c701c49512bbc2f6156131f10742f7170a1912f1bae9b39f52ddfb71df183492c
SSDEEP

1536:vKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgHbCXuZH4gb4CEn9J4ZPX5:vKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgl

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.

Processes:

regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2060	4888	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4832	4888	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3060	4888	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3752	4888	regsvr32.exe	EXCEL.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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

pid process

4888 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4888 EXCEL.EXE
4888 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4888	EXCEL.EXE
4888	EXCEL.EXE
4888	EXCEL.EXE
4888	EXCEL.EXE
4888	EXCEL.EXE
4888	EXCEL.EXE
4888	EXCEL.EXE
4888	EXCEL.EXE
4888	EXCEL.EXE
4888	EXCEL.EXE
4888	EXCEL.EXE
4888	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4888 wrote to memory of 2060	4888	EXCEL.EXE	regsvr32.exe
PID 4888 wrote to memory of 2060	4888	EXCEL.EXE	regsvr32.exe
PID 4888 wrote to memory of 4832	4888	EXCEL.EXE	regsvr32.exe
PID 4888 wrote to memory of 4832	4888	EXCEL.EXE	regsvr32.exe
PID 4888 wrote to memory of 3060	4888	EXCEL.EXE	regsvr32.exe
PID 4888 wrote to memory of 3060	4888	EXCEL.EXE	regsvr32.exe
PID 4888 wrote to memory of 3752	4888	EXCEL.EXE	regsvr32.exe
PID 4888 wrote to memory of 3752	4888	EXCEL.EXE	regsvr32.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\87c3545310157886ea652afb97e0dfa9e7d09a6392663710091f20f53757da4a.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:4888

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
2⤵
- Process spawned unexpected child process
PID:2060

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
2⤵
- Process spawned unexpected child process
PID:4832

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
2⤵
- Process spawned unexpected child process
PID:3060

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
2⤵
- Process spawned unexpected child process
PID:3752

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/2060-139-0x0000000000000000-mapping.dmp

Download
memory/3060-141-0x0000000000000000-mapping.dmp

Download
memory/3752-142-0x0000000000000000-mapping.dmp

Download
memory/4832-140-0x0000000000000000-mapping.dmp

Download
memory/4888-132-0x00007FFAB7CB0000-0x00007FFAB7CC0000-memory.dmp

Filesize
64KB

Download
memory/4888-133-0x00007FFAB7CB0000-0x00007FFAB7CC0000-memory.dmp

Filesize
64KB

Download
memory/4888-134-0x00007FFAB7CB0000-0x00007FFAB7CC0000-memory.dmp

Filesize
64KB

Download
memory/4888-135-0x00007FFAB7CB0000-0x00007FFAB7CC0000-memory.dmp

Filesize
64KB

Download
memory/4888-136-0x00007FFAB7CB0000-0x00007FFAB7CC0000-memory.dmp

Filesize
64KB

Download
memory/4888-137-0x00007FFAB5780000-0x00007FFAB5790000-memory.dmp

Filesize
64KB

Download
memory/4888-138-0x00007FFAB5780000-0x00007FFAB5790000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads