5646744689a2caeeac4a124a4b9b64f9666799521064cb131390da29e2603dd9

General

Target

5646744689a2caeeac4a124a4b9b64f9666799521064cb131390da29e2603dd9.xls
Size

71KB
MD5

e5457cd93d2ee82a691abf1435f4a3bd
SHA1

5db1aa76b481fa03d672be636354042bffd2f198
SHA256

5646744689a2caeeac4a124a4b9b64f9666799521064cb131390da29e2603dd9
SHA512

7c1d4014944fd3c5d253a94b9ede0a8f0b7d10737d9b484d6cb5f66a4dc4ca2dcc419588e5bad6d35c6187558387e30bb5069bde729cc5246eea029d5b1891b3
SSDEEP

1536:jhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+0+hDcnTLiQrRTZws8Eh:lKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMz

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://natayakim.com/personal/o0sKIzRjM/

xlm40.dropper

http://meta4media.com/portfolio2/flb3iuglypsbqT/

xlm40.dropper

http://hathaabeach.com/documents/zNsC/

Signatures

Process spawned unexpected child process 3 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	2964	2984	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2384	2984	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2944	2984	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 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
2984	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2984	EXCEL.EXE
2984	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 2964	2984	EXCEL.EXE	88
PID 2984 wrote to memory of 2964	2984	EXCEL.EXE	88
PID 2984 wrote to memory of 2384	2984	EXCEL.EXE	90
PID 2984 wrote to memory of 2384	2984	EXCEL.EXE	90
PID 2984 wrote to memory of 2944	2984	EXCEL.EXE	91
PID 2984 wrote to memory of 2944	2984	EXCEL.EXE	91

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\5646744689a2caeeac4a124a4b9b64f9666799521064cb131390da29e2603dd9.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:2984
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\dxgxe1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2964
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\dxgxe2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2384
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\dxgxe3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2944

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\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
683B

MD5
e3c7561e47b7eabd25bcf462359ad4c1

SHA1
6041f0202ea096e95064ad4af70a548c550d3c30

SHA256
708399de2b849a75879dba54da1c7825f985042e7b7d9d898aa1501846396343

SHA512
8ff40dd00681bdb165c611a1446d3d6e3f9cf471420d563bf9dff22c4a46de884c6ef2778dba998f3bbc89557cf4d944ca2a39bf443c5c36389836cc7c2caaa9

Download Submit
C:\Users\Admin\dxgxe1.ocx

Filesize
53KB

MD5
54345d97fd3979147b85c61e430bc0a5

SHA1
e3e0c41d30f9a9a4d8c852ccd93d545e529e2014

SHA256
16d392c104e2a7a1b15d922180947a9a57c4a6faffd943e502d627f91232b6b5

SHA512
9e199a0d46c88a735f813ffb66c718bad7dbf4bf021c5710deea29be76921d280881f7fec111659a6eb9fb8064d11dfe1b07bb6308bc122119768ecbae0c2fc9

Download Submit
memory/2984-13-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2984-17-0x00007FFBD6710000-0x00007FFBD6720000-memory.dmp

Filesize
64KB

Download
memory/2984-6-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2984-7-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2984-9-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2984-12-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2984-14-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2984-16-0x00007FFBD6710000-0x00007FFBD6720000-memory.dmp

Filesize
64KB

Download
memory/2984-0-0x00007FFBD9070000-0x00007FFBD9080000-memory.dmp

Filesize
64KB

Download
memory/2984-11-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2984-15-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2984-1-0x00007FFC1908D000-0x00007FFC1908E000-memory.dmp

Filesize
4KB

Download
memory/2984-10-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2984-8-0x00007FFBD9070000-0x00007FFBD9080000-memory.dmp

Filesize
64KB

Download
memory/2984-5-0x00007FFBD9070000-0x00007FFBD9080000-memory.dmp

Filesize
64KB

Download
memory/2984-4-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2984-3-0x00007FFBD9070000-0x00007FFBD9080000-memory.dmp

Filesize
64KB

Download
memory/2984-39-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2984-40-0x00007FFC1908D000-0x00007FFC1908E000-memory.dmp

Filesize
4KB

Download
memory/2984-41-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2984-2-0x00007FFBD9070000-0x00007FFBD9080000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads