696915ee59f3f1b1217370c3f901f801b33011edb40e3a46aceb059ecd7441f7

Analysis

max time kernel
139s
max time network
146s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19/11/2024, 18:24

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General

Target

696915ee59f3f1b1217370c3f901f801b33011edb40e3a46aceb059ecd7441f7.xlsm
Size

20KB
MD5

e93c8d4257558e7c8d7bf89b5f37271f
SHA1

f3d09b233405c8ebb5341cb71c584ec6c2d01a36
SHA256

696915ee59f3f1b1217370c3f901f801b33011edb40e3a46aceb059ecd7441f7
SHA512

061f074f7349ed8a18455b76a8ff7b1056d239b49a1d601745c22baf52d1a184eb503e349a0f090df4ec685443c04373500ce00158fcbcf9619762c8b2b9981d
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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2828	1852	regsvr32.exe	29

System Location Discovery: System Language Discovery 1 TTPs 2 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	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1852	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1852	EXCEL.EXE
1852	EXCEL.EXE
1852	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 2828	1852	EXCEL.EXE	30
PID 1852 wrote to memory of 2828	1852	EXCEL.EXE	30
PID 1852 wrote to memory of 2828	1852	EXCEL.EXE	30
PID 1852 wrote to memory of 2828	1852	EXCEL.EXE	30
PID 1852 wrote to memory of 2828	1852	EXCEL.EXE	30
PID 1852 wrote to memory of 2828	1852	EXCEL.EXE	30
PID 1852 wrote to memory of 2828	1852	EXCEL.EXE	30

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\696915ee59f3f1b1217370c3f901f801b33011edb40e3a46aceb059ecd7441f7.xlsm
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1852
- 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:2828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\kytk.dll

Filesize
7KB

MD5
adcd72d536a231b6e2d2b54fd8d1ec53

SHA1
53a649c3044c8477d1d2e16e8a1172efd31effbf

SHA256
c7521c3fe257008afb7001f7643f4eff175b0c56dd1c8eeeee8be3f881d5dca8

SHA512
2492f491280326ab028d88ba1104909f172eb21e84f4d1c9277b1e1f07f8d6f9fa34c58d8be33e13bf9dc242fbd3e3a401ab9fd407d9fa83c0774cec99e868b7

Download Submit
memory/1852-1-0x000000007263D000-0x0000000072648000-memory.dmp

Filesize
44KB

Download
memory/1852-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1852-22-0x000000007263D000-0x0000000072648000-memory.dmp

Filesize
44KB

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads