2613f6ffbc56bf270faaafcc640cc16b09c3fd182cb26ae1dc782aaf7ac86bcc

General

Target

2613f6ffbc56bf270faaafcc640cc16b09c3fd182cb26ae1dc782aaf7ac86bcc.xls
Size

217KB
MD5

e73af92c2eb10d47faac53b37a57d26f
SHA1

65331b57943255108ae60867624edb087bf0cb8d
SHA256

2613f6ffbc56bf270faaafcc640cc16b09c3fd182cb26ae1dc782aaf7ac86bcc
SHA512

b845861ee1bde4bdde6ed0826008652abefcf303ed2e02ceb0d31ba7bb753782c370e8bef859ef08e1b64a677564c62a3ac68fff712e08676d684d84d2454fe5
SSDEEP

6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQm71nT:1bGUMVWlb9

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://app.clubdedocentes.com/storage/DCcq9ekgH99sI/

xlm40.dropper

http://linhkiendoc.com/app/payments/qoy5JqpLqrbsKl/

xlm40.dropper

http://sourcecool.com/throng/iOD/

xlm40.dropper

http://www.stickers-et-deco.com/Adapter/lYw/

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	5096	4912	regsvr32.exe	66
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4328	4912	regsvr32.exe	66
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4012	4912	regsvr32.exe	66
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3172	4912	regsvr32.exe	66

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4912	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4912	EXCEL.EXE
4912	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 5096	4912	EXCEL.EXE	69
PID 4912 wrote to memory of 5096	4912	EXCEL.EXE	69
PID 4912 wrote to memory of 4328	4912	EXCEL.EXE	70
PID 4912 wrote to memory of 4328	4912	EXCEL.EXE	70
PID 4912 wrote to memory of 4012	4912	EXCEL.EXE	71
PID 4912 wrote to memory of 4012	4912	EXCEL.EXE	71
PID 4912 wrote to memory of 3172	4912	EXCEL.EXE	72
PID 4912 wrote to memory of 3172	4912	EXCEL.EXE	72

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\2613f6ffbc56bf270faaafcc640cc16b09c3fd182cb26ae1dc782aaf7ac86bcc.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:4912
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:5096
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4328
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4012
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:3172

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/3172-253-0x0000000000000000-mapping.dmp

Download
memory/4012-252-0x0000000000000000-mapping.dmp

Download
memory/4328-251-0x0000000000000000-mapping.dmp

Download
memory/4912-119-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

Filesize
64KB

Download
memory/4912-128-0x00007FF83D6F0000-0x00007FF83D700000-memory.dmp

Filesize
64KB

Download
memory/4912-129-0x00007FF83D6F0000-0x00007FF83D700000-memory.dmp

Filesize
64KB

Download
memory/4912-116-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

Filesize
64KB

Download
memory/4912-118-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

Filesize
64KB

Download
memory/4912-117-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

Filesize
64KB

Download
memory/4912-289-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

Filesize
64KB

Download
memory/4912-290-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

Filesize
64KB

Download
memory/4912-291-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

Filesize
64KB

Download
memory/4912-292-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

Filesize
64KB

Download
memory/5096-250-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads