86882c04927c6f3efd5e673ed7a6b8b2893a95db02f9d32ffb0b85bd46debd41

Analysis

max time kernel
141s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 13:22

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General

Target

86882c04927c6f3efd5e673ed7a6b8b2893a95db02f9d32ffb0b85bd46debd41.xls
Size

60KB
MD5

eb2c2040f8d0badd30bb2af1b9e97d82
SHA1

79ab2123adbf152ab24357c0e65d4c365e5791d1
SHA256

86882c04927c6f3efd5e673ed7a6b8b2893a95db02f9d32ffb0b85bd46debd41
SHA512

b85b5848a1e46eedbd8db8f7a258030ffcecedac0489b54bacb010e31283217b3f6c01ef15ec931b7b434bfc0c93672e3745b140674a968ded2c067b30146c8f
SSDEEP

1536:NpKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgUDOJiA6Cv/UGLI36yOAR5t:rKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgI

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.valyval.com/pun/VAYL/

xlm40.dropper

http://cabans.com/CeudWYRQEzZgrHPcI/

xlm40.dropper

http://calzadoyuyin.com/cgj-bin/jZPff/

xlm40.dropper

http://cagranus.com/slide/mcqAFuMhaekn/

Signatures

Process spawned unexpected child process 4 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	2840	2668	regsvr32.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2576	2668	regsvr32.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	324	2668	regsvr32.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1544	2668	regsvr32.exe	30

System Location Discovery: System Language Discovery 1 TTPs 5 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
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
2668	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2840	2668	EXCEL.EXE	31
PID 2668 wrote to memory of 2840	2668	EXCEL.EXE	31
PID 2668 wrote to memory of 2840	2668	EXCEL.EXE	31
PID 2668 wrote to memory of 2840	2668	EXCEL.EXE	31
PID 2668 wrote to memory of 2840	2668	EXCEL.EXE	31
PID 2668 wrote to memory of 2840	2668	EXCEL.EXE	31
PID 2668 wrote to memory of 2840	2668	EXCEL.EXE	31
PID 2668 wrote to memory of 2576	2668	EXCEL.EXE	32
PID 2668 wrote to memory of 2576	2668	EXCEL.EXE	32
PID 2668 wrote to memory of 2576	2668	EXCEL.EXE	32
PID 2668 wrote to memory of 2576	2668	EXCEL.EXE	32
PID 2668 wrote to memory of 2576	2668	EXCEL.EXE	32
PID 2668 wrote to memory of 2576	2668	EXCEL.EXE	32
PID 2668 wrote to memory of 2576	2668	EXCEL.EXE	32
PID 2668 wrote to memory of 324	2668	EXCEL.EXE	34
PID 2668 wrote to memory of 324	2668	EXCEL.EXE	34
PID 2668 wrote to memory of 324	2668	EXCEL.EXE	34
PID 2668 wrote to memory of 324	2668	EXCEL.EXE	34
PID 2668 wrote to memory of 324	2668	EXCEL.EXE	34
PID 2668 wrote to memory of 324	2668	EXCEL.EXE	34
PID 2668 wrote to memory of 324	2668	EXCEL.EXE	34
PID 2668 wrote to memory of 1544	2668	EXCEL.EXE	35
PID 2668 wrote to memory of 1544	2668	EXCEL.EXE	35
PID 2668 wrote to memory of 1544	2668	EXCEL.EXE	35
PID 2668 wrote to memory of 1544	2668	EXCEL.EXE	35
PID 2668 wrote to memory of 1544	2668	EXCEL.EXE	35
PID 2668 wrote to memory of 1544	2668	EXCEL.EXE	35
PID 2668 wrote to memory of 1544	2668	EXCEL.EXE	35

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\86882c04927c6f3efd5e673ed7a6b8b2893a95db02f9d32ffb0b85bd46debd41.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:2668
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev1.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2840
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev2.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2576
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev3.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:324
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev4.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:1544

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\xgev2.ocx

Filesize
81KB

MD5
4bde51168411542834a9e4ccc4bc8b18

SHA1
f5cc63a64736ed3df4dc819a0db8380f7a78ab14

SHA256
3dd354d95a67ec14643b745bd92db6e1a644915934cd2db6afbaaf2b7cd491c7

SHA512
3ac88a686a62e89b3313f66a9eb3c49041141035b517a6c8428ed0310096cb956b6c35ec39915964c9b913a722ab313595c3421622308a7cac385beb7c205542

Download Submit
memory/2668-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2668-1-0x0000000071F7D000-0x0000000071F88000-memory.dmp

Filesize
44KB

Download
memory/2668-31-0x0000000071F7D000-0x0000000071F88000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads