ebc7158986785f524c8c9b16516d6930c0f0e6810b9291f6636e359c718db7eb

General

Target

ebc7158986785f524c8c9b16516d6930c0f0e6810b9291f6636e359c718db7eb.xlsm
Size

20KB
MD5

3d9b46ec228475096d06662a6ce5048b
SHA1

4014fa877de1cbad4502dfbfca4d1788fd320881
SHA256

ebc7158986785f524c8c9b16516d6930c0f0e6810b9291f6636e359c718db7eb
SHA512

c782e606daf13a3083616f2897602c903484caca36af6d14314483bb0a8151e5621398fda6f5aabe935ba2a261370330ea0546f22daa4e67b935b2c9ea6b3a01
SSDEEP

384:CVb1GNjxKo4CGzPd6ZIwISKb5CzgObff9kC+xbX7ZnR:qINco4FLhnCBn9kC+xbLv

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://avirtual.com.ar/portfolio_low/LJtA7G2nnfwBAYE/

xlm40.dropper

http://ard-paya.ir/cgi-bin/ddiue5yX5k28KC33EKw/

xlm40.dropper

http://ascendmedicalsupplies.co.ke/FUTH99YV/faflDNXWq0bPv/

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	2868	2016	regsvr32.exe	83

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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
2016	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2016	EXCEL.EXE
2016	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 2868	2016	EXCEL.EXE	87
PID 2016 wrote to memory of 2868	2016	EXCEL.EXE	87
PID 2016 wrote to memory of 2868	2016	EXCEL.EXE	87

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ebc7158986785f524c8c9b16516d6930c0f0e6810b9291f6636e359c718db7eb.xlsm"
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:2016
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\kytk.dll
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2868

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
5KB

MD5
9db4d60fbd4e1afe6faf0df3b77bce08

SHA1
4e16f32600fe581bf3029f15e8861df41f0cc665

SHA256
33c286961dc34242f2ec71f78481be123ebfebf7a66ed8a55d20586983f8e1cc

SHA512
1b7dc97bdc8f2c8f397769525e0c3d1d32afa6ea5fec7741c402731b087784b433fe16bd3da41e1b6e4c496e6be37e178472ffb933d6ffa4cef6cf4ac24bc6b4

Download Submit
C:\Users\Admin\kytk.dll

Filesize
7KB

MD5
adcd72d536a231b6e2d2b54fd8d1ec53

SHA1
53a649c3044c8477d1d2e16e8a1172efd31effbf

SHA256
c7521c3fe257008afb7001f7643f4eff175b0c56dd1c8eeeee8be3f881d5dca8

SHA512
2492f491280326ab028d88ba1104909f172eb21e84f4d1c9277b1e1f07f8d6f9fa34c58d8be33e13bf9dc242fbd3e3a401ab9fd407d9fa83c0774cec99e868b7

Download Submit
memory/2016-8-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/2016-9-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/2016-4-0x00007FFF69270000-0x00007FFF69280000-memory.dmp

Filesize
64KB

Download
memory/2016-5-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/2016-7-0x00007FFF69270000-0x00007FFF69280000-memory.dmp

Filesize
64KB

Download
memory/2016-6-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/2016-13-0x00007FFF66910000-0x00007FFF66920000-memory.dmp

Filesize
64KB

Download
memory/2016-10-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/2016-11-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/2016-12-0x00007FFF66910000-0x00007FFF66920000-memory.dmp

Filesize
64KB

Download
memory/2016-2-0x00007FFF69270000-0x00007FFF69280000-memory.dmp

Filesize
64KB

Download
memory/2016-1-0x00007FFFA928D000-0x00007FFFA928E000-memory.dmp

Filesize
4KB

Download
memory/2016-17-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/2016-19-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/2016-20-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/2016-18-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/2016-15-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/2016-16-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/2016-14-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/2016-3-0x00007FFF69270000-0x00007FFF69280000-memory.dmp

Filesize
64KB

Download
memory/2016-41-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/2016-42-0x00007FFFA928D000-0x00007FFFA928E000-memory.dmp

Filesize
4KB

Download
memory/2016-46-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/2016-0-0x00007FFF69270000-0x00007FFF69280000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads