f79f25604a78cd815328c8e39e3289572dd59c9edb601a34b0a581e412c45b25

General

Target

f79f25604a78cd815328c8e39e3289572dd59c9edb601a34b0a581e412c45b25.xlsm
Size

38KB
MD5

68bb87d405663f89976f2646ce87a7d5
SHA1

01b51b47b141f27baa890dd6781d86cb4ddb19c7
SHA256

f79f25604a78cd815328c8e39e3289572dd59c9edb601a34b0a581e412c45b25
SHA512

91411e57372cbdf67fc175da34a4202a44788c43c2f2ef6278a854eff4a4b63badf3dfa20b7e1edd848295d8228152bf6410b95c0d4fecfe695351592f64bb8d
SSDEEP

768:3+d/GCR8UjOZpqcVbZYpoRuBlIiOKMArOooooooooooooooooooooooooooFVIyu:3WT9OZZ1ZYpoQ/pMAeVIy08a

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://al-brik.com/vb/pjD6kXT79JBgdqhtgBU/

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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	404	1412	regsvr32.exe	84

System Location Discovery: System Language Discovery 1 TTPs 1 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	regsvr32.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1412	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1412	EXCEL.EXE
1412	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1412	EXCEL.EXE
1412	EXCEL.EXE
1412	EXCEL.EXE
1412	EXCEL.EXE
1412	EXCEL.EXE
1412	EXCEL.EXE
1412	EXCEL.EXE
1412	EXCEL.EXE
1412	EXCEL.EXE
1412	EXCEL.EXE
1412	EXCEL.EXE
1412	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1412 wrote to memory of 404	1412	EXCEL.EXE	89
PID 1412 wrote to memory of 404	1412	EXCEL.EXE	89
PID 1412 wrote to memory of 404	1412	EXCEL.EXE	89

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\f79f25604a78cd815328c8e39e3289572dd59c9edb601a34b0a581e412c45b25.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1412
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\wnru.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
596076cc86589b48c3e43b4c5afdb839

SHA1
0daabd711eb6ff09fc5e8aaa9662ce26906496c9

SHA256
636b3792ee355c05297d33161ad9b9af39ddf18ca442953c94b73f2036c3cc65

SHA512
77f2f32b5cedc1f3486cf239e8d79671d9f3b21fc1f6bd02a3835da4c4e909896da674b7817082088cc9427a101bf6c6bfe0f9c62cf0cb370bb179499f93d192

Download Submit
C:\Users\Admin\wnru.ocx

Filesize
114B

MD5
e89f75f918dbdcee28604d4e09dd71d7

SHA1
f9d9055e9878723a12063b47d4a1a5f58c3eb1e9

SHA256
6dc9c7fc93bb488bb0520a6c780a8d3c0fb5486a4711aca49b4c53fac7393023

SHA512
8df0ab2e3679b64a6174deff4259ae5680f88e3ae307e0ea2dfff88ec4ba14f3477c9fe3a5aa5da3a8e857601170a5108ed75f6d6975958ac7a314e4a336aed0

Download Submit
memory/1412-14-0x00007FFD54710000-0x00007FFD54905000-memory.dmp

Filesize
2.0MB

Download
memory/1412-12-0x00007FFD54710000-0x00007FFD54905000-memory.dmp

Filesize
2.0MB

Download
memory/1412-5-0x00007FFD54710000-0x00007FFD54905000-memory.dmp

Filesize
2.0MB

Download
memory/1412-4-0x00007FFD14790000-0x00007FFD147A0000-memory.dmp

Filesize
64KB

Download
memory/1412-7-0x00007FFD54710000-0x00007FFD54905000-memory.dmp

Filesize
2.0MB

Download
memory/1412-8-0x00007FFD14790000-0x00007FFD147A0000-memory.dmp

Filesize
64KB

Download
memory/1412-11-0x00007FFD54710000-0x00007FFD54905000-memory.dmp

Filesize
2.0MB

Download
memory/1412-15-0x00007FFD11E30000-0x00007FFD11E40000-memory.dmp

Filesize
64KB

Download
memory/1412-2-0x00007FFD14790000-0x00007FFD147A0000-memory.dmp

Filesize
64KB

Download
memory/1412-13-0x00007FFD54710000-0x00007FFD54905000-memory.dmp

Filesize
2.0MB

Download
memory/1412-16-0x00007FFD11E30000-0x00007FFD11E40000-memory.dmp

Filesize
64KB

Download
memory/1412-1-0x00007FFD14790000-0x00007FFD147A0000-memory.dmp

Filesize
64KB

Download
memory/1412-17-0x00007FFD54710000-0x00007FFD54905000-memory.dmp

Filesize
2.0MB

Download
memory/1412-10-0x00007FFD54710000-0x00007FFD54905000-memory.dmp

Filesize
2.0MB

Download
memory/1412-9-0x00007FFD54710000-0x00007FFD54905000-memory.dmp

Filesize
2.0MB

Download
memory/1412-6-0x00007FFD54710000-0x00007FFD54905000-memory.dmp

Filesize
2.0MB

Download
memory/1412-0-0x00007FFD547AD000-0x00007FFD547AE000-memory.dmp

Filesize
4KB

Download
memory/1412-38-0x00007FFD54710000-0x00007FFD54905000-memory.dmp

Filesize
2.0MB

Download
memory/1412-39-0x00007FFD547AD000-0x00007FFD547AE000-memory.dmp

Filesize
4KB

Download
memory/1412-40-0x00007FFD54710000-0x00007FFD54905000-memory.dmp

Filesize
2.0MB

Download
memory/1412-3-0x00007FFD14790000-0x00007FFD147A0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads