26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5

General

Target

26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5.xls
Size

91KB
MD5

ce1499c2c4e3c2604d9bbbbed376ff10
SHA1

3109fbd455cde1a8d6d2b6725999314214e6a913
SHA256

26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5
SHA512

db31606d728d1d2b1d615138a3f3092b935d559a77402902a6d0160f68cde58926641e1b987403d270534fdfcebeadfb6ee143bd00d1e5698bfacb395c3d491f
SSDEEP

1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgO

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://bosny.com/aspnet_client/R50QIOGjmvVlr/

xlm40.dropper

http://navylin.com/autopoisonous/4fZQW/

xlm40.dropper

http://asrani.garudaputih.com/nutabalong/bJYqoUIr99qNfoPDx/

xlm40.dropper

http://db.rikaz.tech/lCx76IlkrBtEsqNFA7/zPYJzpOnzstNOiRHob/

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	4408	2124	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4480	2124	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1580	2124	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2996	2124	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
2124	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2124	EXCEL.EXE
2124	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 4408	2124	EXCEL.EXE	92
PID 2124 wrote to memory of 4408	2124	EXCEL.EXE	92
PID 2124 wrote to memory of 4480	2124	EXCEL.EXE	93
PID 2124 wrote to memory of 4480	2124	EXCEL.EXE	93
PID 2124 wrote to memory of 1580	2124	EXCEL.EXE	94
PID 2124 wrote to memory of 1580	2124	EXCEL.EXE	94
PID 2124 wrote to memory of 2996	2124	EXCEL.EXE	97
PID 2124 wrote to memory of 2996	2124	EXCEL.EXE	97

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5.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:2124
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:4408
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:4480
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:1580
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:2996

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\elv1.ooocccxxx

Filesize
115KB

MD5
c0505fdfdf8f2ad5ed2782f98524e257

SHA1
1dfb43a8e7c09c7b618df19f40e007132ada9430

SHA256
b6bd126aeee569a51611b973f52a4b92962a71618c9599abcdf98eab813ddb99

SHA512
6cf98c0cc06e96527e0ab6b82de4792444fb41191b3ab451f05b610923bdc6f1b3859dd584fbe510d5d1b64efb975e4fea8d0eb8df28e335a6859d98f9a05459

Download Submit
memory/2124-2-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

Filesize
64KB

Download
memory/2124-12-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/2124-3-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

Filesize
64KB

Download
memory/2124-6-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/2124-5-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/2124-10-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/2124-9-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/2124-8-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/2124-7-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

Filesize
64KB

Download
memory/2124-1-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

Filesize
64KB

Download
memory/2124-0-0x00007FFDB850D000-0x00007FFDB850E000-memory.dmp

Filesize
4KB

Download
memory/2124-11-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/2124-13-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/2124-14-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/2124-15-0x00007FFD76230000-0x00007FFD76240000-memory.dmp

Filesize
64KB

Download
memory/2124-16-0x00007FFD76230000-0x00007FFD76240000-memory.dmp

Filesize
64KB

Download
memory/2124-17-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/2124-41-0x00007FFDB850D000-0x00007FFDB850E000-memory.dmp

Filesize
4KB

Download
memory/2124-42-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/2124-43-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/2124-4-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads