e576f0c7269ef35345bf29f4b41befc59dc77e7fecc15d7c2ab4482dabd64aeb

General

Target

e576f0c7269ef35345bf29f4b41befc59dc77e7fecc15d7c2ab4482dabd64aeb.xls
Size

51KB
MD5

001a854759f62534729f26efa86167b7
SHA1

af70c6a858c2bbd757b4016a9a63511e15dc08b4
SHA256

e576f0c7269ef35345bf29f4b41befc59dc77e7fecc15d7c2ab4482dabd64aeb
SHA512

cacf910ca6b62b423565753a4f05214d760161b8ae4b3ccc3a43f455f66d899e869a9d132be9625b1d4ec62c283cddc46416232b3b21dc47e3467002f7af3603
SSDEEP

1536:ORKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+/43SaT3h86rdKRFvo:UKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM5

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://bsprabodhini.org/content/BwV8Kq1EUUT5mlon5MD/

xlm40.dropper

https://bb2play.com/wzzx/VcaXG4LsR7mOWebAI/

xlm40.dropper

http://futaba.youchien.net/wp-content/AJ0vdv/

xlm40.dropper

http://www.crazy97.com/wp-includes/VRppRwDg2dBW2NcQASF/

xlm40.dropper

http://46.4.78.202/wp-content/xOvCgoYFAIVjwy6I/

xlm40.dropper

http://britainsolicitors.com/wp-admin/2ysGFKDbYP5sJB0Xg/

Signatures

Process spawned unexpected child process 1 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	4860	4016	regsvr32.exe	81

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.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

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\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

pid	Process
4016	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4016	EXCEL.EXE
4016	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4016 wrote to memory of 4860	4016	EXCEL.EXE	92
PID 4016 wrote to memory of 4860	4016	EXCEL.EXE	92
PID 4016 wrote to memory of 4860	4016	EXCEL.EXE	92

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\e576f0c7269ef35345bf29f4b41befc59dc77e7fecc15d7c2ab4482dabd64aeb.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:4016
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\xewn.dll
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:4860

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\xewn.dll

Filesize
114B

MD5
e89f75f918dbdcee28604d4e09dd71d7

SHA1
f9d9055e9878723a12063b47d4a1a5f58c3eb1e9

SHA256
6dc9c7fc93bb488bb0520a6c780a8d3c0fb5486a4711aca49b4c53fac7393023

SHA512
8df0ab2e3679b64a6174deff4259ae5680f88e3ae307e0ea2dfff88ec4ba14f3477c9fe3a5aa5da3a8e857601170a5108ed75f6d6975958ac7a314e4a336aed0

Download Submit
memory/4016-8-0x00007FFC453F0000-0x00007FFC455E5000-memory.dmp

Filesize
2.0MB

Download
memory/4016-3-0x00007FFC05470000-0x00007FFC05480000-memory.dmp

Filesize
64KB

Download
memory/4016-4-0x00007FFC05470000-0x00007FFC05480000-memory.dmp

Filesize
64KB

Download
memory/4016-7-0x00007FFC05470000-0x00007FFC05480000-memory.dmp

Filesize
64KB

Download
memory/4016-6-0x00007FFC453F0000-0x00007FFC455E5000-memory.dmp

Filesize
2.0MB

Download
memory/4016-5-0x00007FFC453F0000-0x00007FFC455E5000-memory.dmp

Filesize
2.0MB

Download
memory/4016-2-0x00007FFC05470000-0x00007FFC05480000-memory.dmp

Filesize
64KB

Download
memory/4016-10-0x00007FFC453F0000-0x00007FFC455E5000-memory.dmp

Filesize
2.0MB

Download
memory/4016-1-0x00007FFC4548D000-0x00007FFC4548E000-memory.dmp

Filesize
4KB

Download
memory/4016-9-0x00007FFC453F0000-0x00007FFC455E5000-memory.dmp

Filesize
2.0MB

Download
memory/4016-13-0x00007FFC02BB0000-0x00007FFC02BC0000-memory.dmp

Filesize
64KB

Download
memory/4016-11-0x00007FFC453F0000-0x00007FFC455E5000-memory.dmp

Filesize
2.0MB

Download
memory/4016-12-0x00007FFC453F0000-0x00007FFC455E5000-memory.dmp

Filesize
2.0MB

Download
memory/4016-14-0x00007FFC02BB0000-0x00007FFC02BC0000-memory.dmp

Filesize
64KB

Download
memory/4016-16-0x00007FFC453F0000-0x00007FFC455E5000-memory.dmp

Filesize
2.0MB

Download
memory/4016-15-0x00007FFC453F0000-0x00007FFC455E5000-memory.dmp

Filesize
2.0MB

Download
memory/4016-32-0x00007FFC453F0000-0x00007FFC455E5000-memory.dmp

Filesize
2.0MB

Download
memory/4016-33-0x00007FFC4548D000-0x00007FFC4548E000-memory.dmp

Filesize
4KB

Download
memory/4016-34-0x00007FFC453F0000-0x00007FFC455E5000-memory.dmp

Filesize
2.0MB

Download
memory/4016-0-0x00007FFC05470000-0x00007FFC05480000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads