e5a5957ddd40e78877357645ebb63e9f4f7827b4e4e91b1fd79b19b073547742

Analysis

max time kernel
120s
max time network
134s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 00:03

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General

Target

e5a5957ddd40e78877357645ebb63e9f4f7827b4e4e91b1fd79b19b073547742.xlsm
Size

30KB
MD5

97311b9cc97478e878fb669702eb27e7
SHA1

aa244f5d61de51c575a7324a574a27608342665c
SHA256

e5a5957ddd40e78877357645ebb63e9f4f7827b4e4e91b1fd79b19b073547742
SHA512

b97e63a72f6f53ff78df794d198c26255c764db6d30af84dc07e719c86495b4572e2396ab862f728c53de7f4e520c63775b3af45d25d8a97b2af2f3721899ce6
SSDEEP

384:X842JZPFhNjtOA7icg0SCdiVH2KgUrNU/qWhZOdBNPJM+kqr9eCgh0k5M2E6v:QHFhNZliH2ydFfPdkqstJhE6v

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://henrysfreshroast.com/6cc4ts0bkrOlXq/

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	1320	2424	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
2424	EXCEL.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2424	EXCEL.EXE
2424	EXCEL.EXE
2424	EXCEL.EXE
2424	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 1320	2424	EXCEL.EXE	32
PID 2424 wrote to memory of 1320	2424	EXCEL.EXE	32
PID 2424 wrote to memory of 1320	2424	EXCEL.EXE	32
PID 2424 wrote to memory of 1320	2424	EXCEL.EXE	32
PID 2424 wrote to memory of 1320	2424	EXCEL.EXE	32
PID 2424 wrote to memory of 1320	2424	EXCEL.EXE	32
PID 2424 wrote to memory of 1320	2424	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\e5a5957ddd40e78877357645ebb63e9f4f7827b4e4e91b1fd79b19b073547742.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:2424
- 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:1320

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\rfs.dll

Filesize
56KB

MD5
d5cbf3235a39c09c9d292dafdf0393a5

SHA1
ae109e202e6f0965b47f38ee29b3725800939a9f

SHA256
208d15c175407bc56c9e1d1a6e31290cf8c04fe1da742e4ad0dbe06960b7f1dd

SHA512
202212aeb1cabe772e05ec7649b83be4a04b68b644a1621993e91e370dc0b9de268ea50f0dab3a74178ecb648d06b5173222d3ed1f0e31d04abeded020b079bd

Download Submit
memory/2424-1-0x00000000729AD000-0x00000000729B8000-memory.dmp

Filesize
44KB

Download
memory/2424-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2424-4-0x00000000729AD000-0x00000000729B8000-memory.dmp

Filesize
44KB

Download