fff7ee660d84c472f00fb8b0f017548e9bc5309f5dc19cc12c93c59763768a25

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
19/03/2025, 21:18

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General

Target

fff7ee660d84c472f00fb8b0f017548e9bc5309f5dc19cc12c93c59763768a25.xls
Size

167KB
MD5

3807478821ef98618e85411b88086376
SHA1

adce9143dd2b45ffc52dc75ee8f89c535ee7d1b9
SHA256

fff7ee660d84c472f00fb8b0f017548e9bc5309f5dc19cc12c93c59763768a25
SHA512

eff2ac714d76806e1b536959e985e91ed88d01bcfc209b792b1e9f22e8b31aa501f175653770ac40f6cc6d5cc71b72e75c2e3ebedb42c542351750a0b42f32f9
SSDEEP

3072:Nrk3hbdlylKsgqopeJBWhZFGkE+cLax9h1M1Xdzj59Ecrieer+s7aHwga8EdOdES:Zk3hbdlylKsgqopeJBWhZFVE+Wax9hwd

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://ethelenecrace.xyz/fbb3

Signatures

Process spawned unexpected child process 2 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	2584	2556	reg.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2796	2556	rundll32.exe	29

System Location Discovery: System Language Discovery 1 TTPs 3 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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.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
2556	EXCEL.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2556	EXCEL.EXE
2556	EXCEL.EXE
2556	EXCEL.EXE
2556	EXCEL.EXE
2556	EXCEL.EXE
2556	EXCEL.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 2584	2556	EXCEL.EXE	30
PID 2556 wrote to memory of 2584	2556	EXCEL.EXE	30
PID 2556 wrote to memory of 2584	2556	EXCEL.EXE	30
PID 2556 wrote to memory of 2584	2556	EXCEL.EXE	30
PID 2556 wrote to memory of 2796	2556	EXCEL.EXE	34
PID 2556 wrote to memory of 2796	2556	EXCEL.EXE	34
PID 2556 wrote to memory of 2796	2556	EXCEL.EXE	34
PID 2556 wrote to memory of 2796	2556	EXCEL.EXE	34
PID 2556 wrote to memory of 2796	2556	EXCEL.EXE	34
PID 2556 wrote to memory of 2796	2556	EXCEL.EXE	34
PID 2556 wrote to memory of 2796	2556	EXCEL.EXE	34

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\fff7ee660d84c472f00fb8b0f017548e9bc5309f5dc19cc12c93c59763768a25.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:2556
- C:\Windows\SysWOW64\reg.exe
  "C:\Windows\system32\reg.exe" EXPORT HKCU\Software\Microsoft\Office\14.0\Excel\Security c:\users\public\1.reg /y
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2584
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\system32\rundll32.exe" c:\Users\Public\bmjn5ef.html,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2796

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\public\1.reg

Filesize
4KB

MD5
53f9388101315f80cd64bc8a4aa7021d

SHA1
611f766469d142353c3d533f125e841d21b1c091

SHA256
2301b036c4e2882ad07dabcc25e0d63ac02d9f992899e2c140c81df3a36cf701

SHA512
aaed12f6cc739dfec08d114a0e895ec5f8f843fc46330757f1283992891d1a8ed438d0084532927831f550190ea8fb77a6b1d55ff9778077bc0a8becce43439f

Download Submit
memory/2556-1-0x00000000720AD000-0x00000000720B8000-memory.dmp

Filesize
44KB

Download
memory/2556-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2556-8-0x00000000720AD000-0x00000000720B8000-memory.dmp

Filesize
44KB

Download