49afc24e75525afb23c9fbc14409c80fb57b1d1134a1cbae7ddb51c1b3a98797

General

Target

49afc24e75525afb23c9fbc14409c80fb57b1d1134a1cbae7ddb51c1b3a98797.xls
Size

40KB
MD5

615cece8112bda1b1e94e6bca3cc0816
SHA1

73b69ac4c716859cea0583c205206279b2ac606e
SHA256

49afc24e75525afb23c9fbc14409c80fb57b1d1134a1cbae7ddb51c1b3a98797
SHA512

6bc29068209a951b4e45ebab0c44388138f9bd59bf476117951c526d98448bc1e9b7e1053705e90a311d948e665a3b6573f40aaee60f6efe4ecccbab46102fdf
SSDEEP

768:pkZKpb8rGYrMPe3q7Q0XV5xtezEs/68/dgAdCBn9kC+xbqc6q+otrvEVLcAA:p+Kpb8rGYrMPe3q7Q0XV5xtezEsi8/d5

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://www.itesmeitic.com/term/IFjx5ElE0ldr8wDDHjub/

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	4120	5060	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
5060	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5060	EXCEL.EXE
5060	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 4120	5060	EXCEL.EXE	86
PID 5060 wrote to memory of 4120	5060	EXCEL.EXE	86

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\49afc24e75525afb23c9fbc14409c80fb57b1d1134a1cbae7ddb51c1b3a98797.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:5060
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe ..\wurod.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4120

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
2KB

MD5
52bfa1e04d46585c92d5955348c7ea3b

SHA1
31ce9aec375af0272c6b81ed4032c099c6130dc5

SHA256
91688dcdb799fa154f0d29652deef324c13c13e45ca6497d2a2cff076f645b89

SHA512
4a51fa17d58a676f71974b341a36f6a3b708c93f175ba9849fe8ecc30c76fb5f1ecf68fac038d7bea851911346c3168a8f9fcbad2b3502315fd1141bc3c840db

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

Filesize
62B

MD5
ec66f7f0da293c14d1ec051ab12dc4b2

SHA1
cc7c57f49917f5b76034d36ca181f9b21c223359

SHA256
46bc6e73a86ffb0bd0a01cdca281c4c18dde6ceae509a70621e91d10e128f9f0

SHA512
56a145f571243a8db4eb28752f45ecf1e89f7db1f3bd387aef5f54c262db2361649e1e0fdd06910b5ab63a91dc2fdf9587ca494e56233cdb30fee2b92a9856f3

Download Submit
memory/5060-9-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/5060-7-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/5060-6-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp

Filesize
64KB

Download
memory/5060-2-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp

Filesize
64KB

Download
memory/5060-1-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp

Filesize
64KB

Download
memory/5060-10-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/5060-0-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp

Filesize
64KB

Download
memory/5060-8-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/5060-11-0x00007FFCA6070000-0x00007FFCA6080000-memory.dmp

Filesize
64KB

Download
memory/5060-5-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/5060-12-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/5060-14-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/5060-15-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/5060-13-0x00007FFCA6070000-0x00007FFCA6080000-memory.dmp

Filesize
64KB

Download
memory/5060-4-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp

Filesize
64KB

Download
memory/5060-33-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/5060-3-0x00007FFCE830D000-0x00007FFCE830E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads