f207369855d07b05f4830e00ccb718410bd2c7edd9c09f4f5476ce9bd8751e9b

General

Target

f207369855d07b05f4830e00ccb718410bd2c7edd9c09f4f5476ce9bd8751e9b.xls
Size

60KB
MD5

5223896eb12943ec037d11195ca5ed58
SHA1

37f15acbd5a769c500e28ea7eaac45514da68d9d
SHA256

f207369855d07b05f4830e00ccb718410bd2c7edd9c09f4f5476ce9bd8751e9b
SHA512

f65ed69d2f8b8cc1b6137d0e7db565ef5de521af7cf660afa407a8f24a830803c91ec1b8544b40a1f88c72830d006e458d6deee00ba0cb50c13bebb94001b55b
SSDEEP

1536:NpKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgUDOJiA6Cv/UGLI36yOAR5N:rKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgo

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.valyval.com/pun/VAYL/

xlm40.dropper

http://cabans.com/CeudWYRQEzZgrHPcI/

xlm40.dropper

http://calzadoyuyin.com/cgj-bin/jZPff/

xlm40.dropper

http://cagranus.com/slide/mcqAFuMhaekn/

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	2348	4440	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3624	4440	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1196	4440	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	208	4440	regsvr32.exe	81

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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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
4440	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4440	EXCEL.EXE
4440	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4440	EXCEL.EXE
4440	EXCEL.EXE
4440	EXCEL.EXE
4440	EXCEL.EXE
4440	EXCEL.EXE
4440	EXCEL.EXE
4440	EXCEL.EXE
4440	EXCEL.EXE
4440	EXCEL.EXE
4440	EXCEL.EXE
4440	EXCEL.EXE
4440	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4440 wrote to memory of 2348	4440	EXCEL.EXE	86
PID 4440 wrote to memory of 2348	4440	EXCEL.EXE	86
PID 4440 wrote to memory of 3624	4440	EXCEL.EXE	91
PID 4440 wrote to memory of 3624	4440	EXCEL.EXE	91
PID 4440 wrote to memory of 1196	4440	EXCEL.EXE	92
PID 4440 wrote to memory of 1196	4440	EXCEL.EXE	92
PID 4440 wrote to memory of 208	4440	EXCEL.EXE	93
PID 4440 wrote to memory of 208	4440	EXCEL.EXE	93

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\f207369855d07b05f4830e00ccb718410bd2c7edd9c09f4f5476ce9bd8751e9b.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:4440
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2348
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3624
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1196
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:208

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

C:\Users\Admin\xgev2.ocx

Filesize
81KB

MD5
4ea0c4ad16eee795e0026b8ca0e0ea1d

SHA1
e1223f592167f2ebf0996792e946304c2ea63cd6

SHA256
23f9115337bdb3d951ddc4c9482260ab08aab0d7d8e7b026c827830d0744fa44

SHA512
4a74bc8dcd8054e6660bed77d586f9aab68d9163966487ec40cef67902d408212202f0a6260eafad33d352fb348056fd5ca8c0890a1f4feb70d14530f17cc590

Download Submit
memory/4440-10-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/4440-4-0x00007FFF74A50000-0x00007FFF74A60000-memory.dmp

Filesize
64KB

Download
memory/4440-12-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/4440-1-0x00007FFF74A50000-0x00007FFF74A60000-memory.dmp

Filesize
64KB

Download
memory/4440-0-0x00007FFF74A50000-0x00007FFF74A60000-memory.dmp

Filesize
64KB

Download
memory/4440-9-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/4440-8-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/4440-7-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/4440-6-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/4440-13-0x00007FFF72480000-0x00007FFF72490000-memory.dmp

Filesize
64KB

Download
memory/4440-5-0x00007FFF74A50000-0x00007FFF74A60000-memory.dmp

Filesize
64KB

Download
memory/4440-3-0x00007FFFB4A6D000-0x00007FFFB4A6E000-memory.dmp

Filesize
4KB

Download
memory/4440-11-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/4440-14-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/4440-16-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/4440-15-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/4440-18-0x00007FFF72480000-0x00007FFF72490000-memory.dmp

Filesize
64KB

Download
memory/4440-21-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/4440-20-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/4440-19-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/4440-17-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/4440-44-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/4440-2-0x00007FFF74A50000-0x00007FFF74A60000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads