fb2c747257401566f68b9d54fb6df8cb8b8aca892c48e8e0d045922e0eb39019

Analysis

max time kernel
140s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 22:19

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General

Target

fb2c747257401566f68b9d54fb6df8cb8b8aca892c48e8e0d045922e0eb39019.xlsm
Size

21KB
MD5

3d8f9e4f46b15a710a5c02e45ec50b2d
SHA1

f6ffdf99a85d4f48c91ac0a0dea42374c7eee770
SHA256

fb2c747257401566f68b9d54fb6df8cb8b8aca892c48e8e0d045922e0eb39019
SHA512

dd033adb814a1c23a244fe93a3c03768f13d3073917ad2a33967191b8070a53cfff750b713cd512da18f94557c2f22ca92ee8f5c9f385dbe8135d99ce85f0dc5
SSDEEP

384:z3uAi/NjIVRS8EibbwBlw75SYrLb5CzgObff9kC+xbX74eII:XsNs/zXtFCBn9kC+xbL42

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://www.almoeqatar.com/cgi-bin/3g/

xlm40.dropper

http://www.ayelet.info/wp-admin/oHRoG0X9ubuNtQ/

xlm40.dropper

http://www.lavameapp.com.ar/slide-images/7bzQevDGMld/

xlm40.dropper

http://lista33rivera.uy/wp-content/jiBtjSaJMcM/

xlm40.dropper

http://cenaf.com.co/error/TpewL/

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	2928	1152	regsvr32.exe	30

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
1152	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1152	EXCEL.EXE
1152	EXCEL.EXE
1152	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 2928	1152	EXCEL.EXE	32
PID 1152 wrote to memory of 2928	1152	EXCEL.EXE	32
PID 1152 wrote to memory of 2928	1152	EXCEL.EXE	32
PID 1152 wrote to memory of 2928	1152	EXCEL.EXE	32
PID 1152 wrote to memory of 2928	1152	EXCEL.EXE	32
PID 1152 wrote to memory of 2928	1152	EXCEL.EXE	32
PID 1152 wrote to memory of 2928	1152	EXCEL.EXE	32

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\fb2c747257401566f68b9d54fb6df8cb8b8aca892c48e8e0d045922e0eb39019.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:1152
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\rfs.dll
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2928

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\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D31DBED074BAD4577FBF87271B9770A5

Filesize
5B

MD5
5bfa51f3a417b98e7443eca90fc94703

SHA1
8c015d80b8a23f780bdd215dc842b0f5551f63bd

SHA256
bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128

SHA512
4cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399

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

Filesize
3KB

MD5
8713dd892ec0930f713e13141920c5ad

SHA1
a3e081efb5b6c974622ac191f8412f8b4f995b6e

SHA256
cfd81c97ae0c2d0a50e698d7dd7b5f7aa323ce219c7c56ab49bbab85bab2d0fb

SHA512
1c76c7e9b5d4fd7f354f3c727ccbd5ee93c94cecb0654e7af757d5eb9992fa186cd03c4915cf1f8b5d1b3ab9461ddb01b51da3b0f7bea6411314ecd962306a4f

Download Submit
memory/1152-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1152-1-0x0000000071DFD000-0x0000000071E08000-memory.dmp

Filesize
44KB

Download
memory/1152-29-0x0000000071DFD000-0x0000000071E08000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads