c589ab74edd949edb7f6946d7f6f69b5c3c8207fedc5eb9cabf1bb8bb0ff9e22

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 12:18

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General

Target

c589ab74edd949edb7f6946d7f6f69b5c3c8207fedc5eb9cabf1bb8bb0ff9e22.xlsm
Size

122KB
MD5

3d354c4b08b4c3705c8accc4ee798a87
SHA1

660551774ad61a2419c2359118401e93186966b9
SHA256

c589ab74edd949edb7f6946d7f6f69b5c3c8207fedc5eb9cabf1bb8bb0ff9e22
SHA512

917f717e0a6a539d1aabd842c01fb2f22865219b3ddf963d09361f0178d87a478da82fad54769c508a15d4b03a92d4de822c827e15be527fa2387e3e995293c6
SSDEEP

3072:QfCABRIc/arWmzgyYTnYNelISKXhsVskl4Ojkk:QfLBRzSTgyYz5p6cQk

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://www.bookcorner.com.pk/admin/k6J281rll/

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	2708	1976	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
1976	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1976	EXCEL.EXE
1976	EXCEL.EXE
1976	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2708	1976	EXCEL.EXE	31
PID 1976 wrote to memory of 2708	1976	EXCEL.EXE	31
PID 1976 wrote to memory of 2708	1976	EXCEL.EXE	31
PID 1976 wrote to memory of 2708	1976	EXCEL.EXE	31
PID 1976 wrote to memory of 2708	1976	EXCEL.EXE	31
PID 1976 wrote to memory of 2708	1976	EXCEL.EXE	31
PID 1976 wrote to memory of 2708	1976	EXCEL.EXE	31

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\c589ab74edd949edb7f6946d7f6f69b5c3c8207fedc5eb9cabf1bb8bb0ff9e22.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:1976
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\whxc.dll
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2708

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

Replay Monitor

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Downloads

C:\Users\Admin\whxc.dll

Filesize
2KB

MD5
d24192c51e722ab29a5190bd913bddf6

SHA1
50d13812e7d142f7ee00744aaba75e2e66a9bbe4

SHA256
edbb3b3ba0675d5d15ecd548d32eb8a7f2e75b3f17be2d71502078c758ae1420

SHA512
82c4071073fd261b7bcbcf56db6d484b5bcd026f9dc5070bc62dfbdb5825fe0beb527466abeb53750240585fbd3c28fbbcab14ed2a5a0450c648a33566fe6d32

Download Submit
memory/1976-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1976-1-0x000000007214D000-0x0000000072158000-memory.dmp

Filesize
44KB

Download
memory/1976-24-0x000000007214D000-0x0000000072158000-memory.dmp

Filesize
44KB

Download