8fba84e07fa2205672816de1c1c48eb5e1d01ed965c489784b30afa20a6d3dd1

General

Target

8fba84e07fa2205672816de1c1c48eb5e1d01ed965c489784b30afa20a6d3dd1.xls
Size

53KB
MD5

5e4c18aa13ae536e5354212f6cd62d17
SHA1

34289b0ad7f4976bacafa7c1cf7a1bc651c392c6
SHA256

8fba84e07fa2205672816de1c1c48eb5e1d01ed965c489784b30afa20a6d3dd1
SHA512

07a9cc0b44189c5599feb50cbcc199929cf281ece193b080cfe2a4a4ae7aeb420ef4b5c1aa1e724e8432af46001de522a995ce6267d9edc12a9f0ebba39082ce
SSDEEP

1536:LPKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+bSgNeEYL8ECyP:rKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMF

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://newkano.com/wp-admin/66rIsrVwoPKUsjcAs/

xlm40.dropper

http://ocalogullari.com/inc/Wcm82enrs8/

xlm40.dropper

https://myphamcuatui.com/assets/OPVeVSpO/

xlm40.dropper

http://sieuthiphutungxenang.com/old_source/9boJQZpTSdQE/

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	1576	1008	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5108	1008	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	452	1008	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1016	1008	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
1008	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1008	EXCEL.EXE
1008	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 1576	1008	EXCEL.EXE	91
PID 1008 wrote to memory of 1576	1008	EXCEL.EXE	91
PID 1008 wrote to memory of 5108	1008	EXCEL.EXE	92
PID 1008 wrote to memory of 5108	1008	EXCEL.EXE	92
PID 1008 wrote to memory of 452	1008	EXCEL.EXE	94
PID 1008 wrote to memory of 452	1008	EXCEL.EXE	94
PID 1008 wrote to memory of 1016	1008	EXCEL.EXE	95
PID 1008 wrote to memory of 1016	1008	EXCEL.EXE	95

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8fba84e07fa2205672816de1c1c48eb5e1d01ed965c489784b30afa20a6d3dd1.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:1008
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1576
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:5108
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:452
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1016

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

Replay Monitor

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Downloads

memory/1008-1-0x00007FFD0B3ED000-0x00007FFD0B3EE000-memory.dmp

Filesize
4KB

Download
memory/1008-0-0x00007FFCCB3D0000-0x00007FFCCB3E0000-memory.dmp

Filesize
64KB

Download
memory/1008-2-0x00007FFCCB3D0000-0x00007FFCCB3E0000-memory.dmp

Filesize
64KB

Download
memory/1008-3-0x00007FFCCB3D0000-0x00007FFCCB3E0000-memory.dmp

Filesize
64KB

Download
memory/1008-5-0x00007FFCCB3D0000-0x00007FFCCB3E0000-memory.dmp

Filesize
64KB

Download
memory/1008-8-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Filesize
2.0MB

Download
memory/1008-9-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Filesize
2.0MB

Download
memory/1008-11-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Filesize
2.0MB

Download
memory/1008-13-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Filesize
2.0MB

Download
memory/1008-12-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Filesize
2.0MB

Download
memory/1008-14-0x00007FFCC8D20000-0x00007FFCC8D30000-memory.dmp

Filesize
64KB

Download
memory/1008-10-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Filesize
2.0MB

Download
memory/1008-15-0x00007FFCC8D20000-0x00007FFCC8D30000-memory.dmp

Filesize
64KB

Download
memory/1008-7-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Filesize
2.0MB

Download
memory/1008-17-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Filesize
2.0MB

Download
memory/1008-18-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Filesize
2.0MB

Download
memory/1008-16-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Filesize
2.0MB

Download
memory/1008-6-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Filesize
2.0MB

Download
memory/1008-4-0x00007FFCCB3D0000-0x00007FFCCB3E0000-memory.dmp

Filesize
64KB

Download
memory/1008-37-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Filesize
2.0MB

Download
memory/1008-41-0x00007FFD0B3ED000-0x00007FFD0B3EE000-memory.dmp

Filesize
4KB

Download
memory/1008-42-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Filesize
2.0MB

Download
memory/1008-43-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads