2b47d6bcc400641e59164ae91722c1a9a777fae89cc46d06787262ce19a8f3ed

General

Target

2b47d6bcc400641e59164ae91722c1a9a777fae89cc46d06787262ce19a8f3ed.xls
Size

95KB
MD5

136e97e14028fe665b5b5384d5700acf
SHA1

ce52a1c566ceabf465c650976a5b452b151c55b8
SHA256

2b47d6bcc400641e59164ae91722c1a9a777fae89cc46d06787262ce19a8f3ed
SHA512

58cad3ebc3c1e4585bde0cc2e90037428364e1ba31657bc8e8e590af94f6344a1b5b5da877fc5e0a8426ed0cba348de7453bf6cc3b7bbebba5b07dcde32c9bc9
SSDEEP

1536:hFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgg5HuS4hcTO97v7UYdEJmer:7Kpb8rGYrMPe3q7Q0XV5xtezEsi8/dg+

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://zonainformatica.es/aspnet_client/n0ULlfoAHHQh9tagckL/

xlm40.dropper

https://napolni.me/3r/ILq7TqCUS/

xlm40.dropper

http://sigratech.de/career/sRpMMHief7H/

xlm40.dropper

http://webbandi.hu/image/Ifm98UCtROXr/

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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	220	1968	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	544	1968	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	548	1968	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4420	1968	regsvr32.exe	81

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
1968	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1968	EXCEL.EXE
1968	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 220	1968	EXCEL.EXE	86
PID 1968 wrote to memory of 220	1968	EXCEL.EXE	86
PID 1968 wrote to memory of 544	1968	EXCEL.EXE	87
PID 1968 wrote to memory of 544	1968	EXCEL.EXE	87
PID 1968 wrote to memory of 548	1968	EXCEL.EXE	88
PID 1968 wrote to memory of 548	1968	EXCEL.EXE	88
PID 1968 wrote to memory of 4420	1968	EXCEL.EXE	91
PID 1968 wrote to memory of 4420	1968	EXCEL.EXE	91

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\2b47d6bcc400641e59164ae91722c1a9a777fae89cc46d06787262ce19a8f3ed.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:1968
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhdt1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:220
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhdt2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:544
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhdt3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:548
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhdt4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4420

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

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
37819e30c56b7c5ac276a37a7c4ece2f

SHA1
29aa71b2bf4364533c566e6018a6b33c921d3e69

SHA256
bd4b8107ba5fbfcfbea5b06c878df0f25a9717f2375ff3092b49bce7c374b737

SHA512
912b3c3fbff15f64f632cb8d5cbcf22da917d496053fb5112e2aaeb9a17e645dbe7a2b5908fe67b6944502f6cae36f01135f708a06308b73b2abebf9f898bd58

Download Submit
memory/1968-14-0x00007FF8BFE00000-0x00007FF8BFE10000-memory.dmp

Filesize
64KB

Download
memory/1968-3-0x00007FF90232D000-0x00007FF90232E000-memory.dmp

Filesize
4KB

Download
memory/1968-11-0x00007FF902290000-0x00007FF902485000-memory.dmp

Filesize
2.0MB

Download
memory/1968-4-0x00007FF902290000-0x00007FF902485000-memory.dmp

Filesize
2.0MB

Download
memory/1968-6-0x00007FF902290000-0x00007FF902485000-memory.dmp

Filesize
2.0MB

Download
memory/1968-8-0x00007FF8C2310000-0x00007FF8C2320000-memory.dmp

Filesize
64KB

Download
memory/1968-10-0x00007FF902290000-0x00007FF902485000-memory.dmp

Filesize
2.0MB

Download
memory/1968-9-0x00007FF902290000-0x00007FF902485000-memory.dmp

Filesize
2.0MB

Download
memory/1968-7-0x00007FF902290000-0x00007FF902485000-memory.dmp

Filesize
2.0MB

Download
memory/1968-2-0x00007FF8C2310000-0x00007FF8C2320000-memory.dmp

Filesize
64KB

Download
memory/1968-1-0x00007FF8C2310000-0x00007FF8C2320000-memory.dmp

Filesize
64KB

Download
memory/1968-0-0x00007FF8C2310000-0x00007FF8C2320000-memory.dmp

Filesize
64KB

Download
memory/1968-12-0x00007FF902290000-0x00007FF902485000-memory.dmp

Filesize
2.0MB

Download
memory/1968-15-0x00007FF8BFE00000-0x00007FF8BFE10000-memory.dmp

Filesize
64KB

Download
memory/1968-16-0x00007FF902290000-0x00007FF902485000-memory.dmp

Filesize
2.0MB

Download
memory/1968-19-0x00007FF902290000-0x00007FF902485000-memory.dmp

Filesize
2.0MB

Download
memory/1968-18-0x00007FF902290000-0x00007FF902485000-memory.dmp

Filesize
2.0MB

Download
memory/1968-20-0x00007FF902290000-0x00007FF902485000-memory.dmp

Filesize
2.0MB

Download
memory/1968-17-0x00007FF902290000-0x00007FF902485000-memory.dmp

Filesize
2.0MB

Download
memory/1968-5-0x00007FF8C2310000-0x00007FF8C2320000-memory.dmp

Filesize
64KB

Download
memory/1968-40-0x00007FF902290000-0x00007FF902485000-memory.dmp

Filesize
2.0MB

Download
memory/1968-13-0x00007FF902290000-0x00007FF902485000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads