310830c39b2d3910613bdc42384a7254bc9c50f0516671d57009063763778e7b

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 10:02

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General

Target

310830c39b2d3910613bdc42384a7254bc9c50f0516671d57009063763778e7b.xls
Size

70KB
MD5

3f4225eca7e5c48b0127c00a23096b8b
SHA1

71a30d68fabc33d43fe6aef4698d4f46e5bd885f
SHA256

310830c39b2d3910613bdc42384a7254bc9c50f0516671d57009063763778e7b
SHA512

ac61991747dc9d917f452f173a03efca6641871017e4c1d1cd43f9949db67f434315b78abe45a467f57be1e37dcba1f8ff9eecee34d6b22d491e2d07f265643e
SSDEEP

1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+/+hDcnTLiQrRTZws8E7K:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMF

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://prprofile.com/wp-admin/CIqrvgYsvBiBlIM/

xlm40.dropper

https://retardantedefuegoperu.com/slider/rFhAa78/

xlm40.dropper

http://survei.absensi.net/cc-content/YCcjkOA3ijYNu46Y/

Signatures

Process spawned unexpected child process 3 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	2520	1964	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2516	1964	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2536	1964	regsvr32.exe	29

System Location Discovery: System Language Discovery 1 TTPs 4 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.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
1964	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1964	EXCEL.EXE
1964	EXCEL.EXE
1964	EXCEL.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 2520	1964	EXCEL.EXE	30
PID 1964 wrote to memory of 2520	1964	EXCEL.EXE	30
PID 1964 wrote to memory of 2520	1964	EXCEL.EXE	30
PID 1964 wrote to memory of 2520	1964	EXCEL.EXE	30
PID 1964 wrote to memory of 2520	1964	EXCEL.EXE	30
PID 1964 wrote to memory of 2520	1964	EXCEL.EXE	30
PID 1964 wrote to memory of 2520	1964	EXCEL.EXE	30
PID 1964 wrote to memory of 2516	1964	EXCEL.EXE	31
PID 1964 wrote to memory of 2516	1964	EXCEL.EXE	31
PID 1964 wrote to memory of 2516	1964	EXCEL.EXE	31
PID 1964 wrote to memory of 2516	1964	EXCEL.EXE	31
PID 1964 wrote to memory of 2516	1964	EXCEL.EXE	31
PID 1964 wrote to memory of 2516	1964	EXCEL.EXE	31
PID 1964 wrote to memory of 2516	1964	EXCEL.EXE	31
PID 1964 wrote to memory of 2536	1964	EXCEL.EXE	32
PID 1964 wrote to memory of 2536	1964	EXCEL.EXE	32
PID 1964 wrote to memory of 2536	1964	EXCEL.EXE	32
PID 1964 wrote to memory of 2536	1964	EXCEL.EXE	32
PID 1964 wrote to memory of 2536	1964	EXCEL.EXE	32
PID 1964 wrote to memory of 2536	1964	EXCEL.EXE	32
PID 1964 wrote to memory of 2536	1964	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\310830c39b2d3910613bdc42384a7254bc9c50f0516671d57009063763778e7b.xls
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2520
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2516
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2536

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

memory/1964-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

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memory/1964-1-0x0000000071BCD000-0x0000000071BD8000-memory.dmp

Filesize
44KB

Download
memory/1964-17-0x0000000071BCD000-0x0000000071BD8000-memory.dmp

Filesize
44KB

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads