65fb927ebb54d82716712049f4a6821fed9fb4d5cbf64558f582eee6cf5d0020

General

Target

S-P Construction of St. Paul Inc.xls
Size

104KB
MD5

b787947f12770a4105ccc158983a3712
SHA1

14b05316b654557dbc3c1a0182da1b3aab2f885c
SHA256

1635bee22dd56fa692c8fa1bbc1861b7934b7f38f8e11cb48e7f0a5ae60a2871
SHA512

834f12d4144096e9743e0dc822818733338f8f6c2c494f4f71749175fada210f3f93213c7c5ce6dad576ebaa299115e67e88a2dedb7e33bab28f55fa9f52343e
SSDEEP

3072:yWKpbdrHYrMue8q7QPX+5xtekEdi8/dgeJ0depMHwGGqd4gk:nKpbdrHYrMue8q7QPX+5xtFEdi8/dgeB

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://filecabinet.digitalechoes.co.uk/wp-admin/NC/

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	4016	2840	rundll32.exe	81

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	rundll32.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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2840	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2840	EXCEL.EXE
2840	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 4016	2840	EXCEL.EXE	85
PID 2840 wrote to memory of 4016	2840	EXCEL.EXE	85
PID 2840 wrote to memory of 4016	2840	EXCEL.EXE	85

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\S-P Construction of St. Paul Inc.xls"
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:2840
- C:\Windows\SysWow64\rundll32.exe
  C:\Windows\SysWow64\rundll32.exe ..\iix.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:4016

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
3KB

MD5
46448bafa3d40cb7ddfbae808c275278

SHA1
b58b0981a179ecaede0e3cbf0c1dad20dc8c6f76

SHA256
5b3c4785a8a404ab7aabe8f201138bbcf838c2e7abaa886ff39963937ebcd55f

SHA512
55b688db9823eb6760305f01eaa452aba76556efcbc0fa785a97dc148a5ed61d83e22bdf9da133969586a94c24fc0238ac45b5647311f684b34a29b632ff7743

Download Submit
memory/2840-12-0x00007FF9E6770000-0x00007FF9E6780000-memory.dmp

Filesize
64KB

Download
memory/2840-5-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/2840-2-0x00007FF9E8BD0000-0x00007FF9E8BE0000-memory.dmp

Filesize
64KB

Download
memory/2840-6-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/2840-7-0x00007FF9E8BD0000-0x00007FF9E8BE0000-memory.dmp

Filesize
64KB

Download
memory/2840-4-0x00007FF9E8BD0000-0x00007FF9E8BE0000-memory.dmp

Filesize
64KB

Download
memory/2840-9-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/2840-11-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/2840-10-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/2840-13-0x00007FF9E6770000-0x00007FF9E6780000-memory.dmp

Filesize
64KB

Download
memory/2840-3-0x00007FF9E8BD0000-0x00007FF9E8BE0000-memory.dmp

Filesize
64KB

Download
memory/2840-8-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/2840-1-0x00007FFA28BED000-0x00007FFA28BEE000-memory.dmp

Filesize
4KB

Download
memory/2840-15-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/2840-16-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/2840-19-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/2840-18-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/2840-17-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/2840-14-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/2840-29-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/2840-30-0x00007FFA28BED000-0x00007FFA28BEE000-memory.dmp

Filesize
4KB

Download
memory/2840-0-0x00007FF9E8BD0000-0x00007FF9E8BE0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads