77d176e128ed8c117fb14354b95cd8dea03498eba8250f159f702f54ed05eb0f

General

Target

77d176e128ed8c117fb14354b95cd8dea03498eba8250f159f702f54ed05eb0f.xls
Size

95KB
MD5

435d7619269af45a15ae30d821bfb933
SHA1

00217d149b19da0b6730eecee5b1f6d9391669f1
SHA256

77d176e128ed8c117fb14354b95cd8dea03498eba8250f159f702f54ed05eb0f
SHA512

688738b49df8dbc5d9b57ad3dcdb5212039e498190d7902d885480f220d547c43566edd243fcdcd7aa71615072adac014e220ae3b3ff9101e820875a9e56fc2f
SSDEEP

1536:UkKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgNHuS4hcTO97v7UYdEJm5:bKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg0

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://fikti.bem.gunadarma.ac.id/SDM/YH8OJ1Zz8miBX/

xlm40.dropper

http://ebuysa.co.za/yt-assets/yZ30/

xlm40.dropper

http://3dstudioa.com.br/files/1ubPAB/

xlm40.dropper

http://boardmart.co.za/images/DvMHPbTLn/

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	1048	4588	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4692	4588	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5044	4588	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2736	4588	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
4588	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4588	EXCEL.EXE
4588	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4588	EXCEL.EXE
4588	EXCEL.EXE
4588	EXCEL.EXE
4588	EXCEL.EXE
4588	EXCEL.EXE
4588	EXCEL.EXE
4588	EXCEL.EXE
4588	EXCEL.EXE
4588	EXCEL.EXE
4588	EXCEL.EXE
4588	EXCEL.EXE
4588	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 1048	4588	EXCEL.EXE	88
PID 4588 wrote to memory of 1048	4588	EXCEL.EXE	88
PID 4588 wrote to memory of 4692	4588	EXCEL.EXE	90
PID 4588 wrote to memory of 4692	4588	EXCEL.EXE	90
PID 4588 wrote to memory of 5044	4588	EXCEL.EXE	92
PID 4588 wrote to memory of 5044	4588	EXCEL.EXE	92
PID 4588 wrote to memory of 2736	4588	EXCEL.EXE	93
PID 4588 wrote to memory of 2736	4588	EXCEL.EXE	93

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\77d176e128ed8c117fb14354b95cd8dea03498eba8250f159f702f54ed05eb0f.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:4588
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1048
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4692
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:5044
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2736

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
332ac979a357257a01ea16c3247d9e7a

SHA1
bf17df13ebc90c0ef3cd75f4238b08dc54b1823b

SHA256
1e03db34abaa9d2dac78ccd4cfabb8299d12bb855145ae4d50c32a727a53c37e

SHA512
81ffd49fb6cd23bf1d0801c7e21b532dffcba548f6fe2c4ad8b4e01e24d8f8d53b41082368cacc0d4da357fbaa71308695ede175e76e1f82b91bff345f07208f

Download Submit
memory/4588-9-0x00007FFB47E10000-0x00007FFB48005000-memory.dmp

Filesize
2.0MB

Download
memory/4588-11-0x00007FFB05E30000-0x00007FFB05E40000-memory.dmp

Filesize
64KB

Download
memory/4588-1-0x00007FFB07E90000-0x00007FFB07EA0000-memory.dmp

Filesize
64KB

Download
memory/4588-4-0x00007FFB47E10000-0x00007FFB48005000-memory.dmp

Filesize
2.0MB

Download
memory/4588-6-0x00007FFB07E90000-0x00007FFB07EA0000-memory.dmp

Filesize
64KB

Download
memory/4588-7-0x00007FFB07E90000-0x00007FFB07EA0000-memory.dmp

Filesize
64KB

Download
memory/4588-3-0x00007FFB07E90000-0x00007FFB07EA0000-memory.dmp

Filesize
64KB

Download
memory/4588-5-0x00007FFB47E10000-0x00007FFB48005000-memory.dmp

Filesize
2.0MB

Download
memory/4588-8-0x00007FFB47E10000-0x00007FFB48005000-memory.dmp

Filesize
2.0MB

Download
memory/4588-0-0x00007FFB47EAD000-0x00007FFB47EAE000-memory.dmp

Filesize
4KB

Download
memory/4588-10-0x00007FFB47E10000-0x00007FFB48005000-memory.dmp

Filesize
2.0MB

Download
memory/4588-12-0x00007FFB05E30000-0x00007FFB05E40000-memory.dmp

Filesize
64KB

Download
memory/4588-32-0x00007FFB47EAD000-0x00007FFB47EAE000-memory.dmp

Filesize
4KB

Download
memory/4588-33-0x00007FFB47E10000-0x00007FFB48005000-memory.dmp

Filesize
2.0MB

Download
memory/4588-38-0x00007FFB47E10000-0x00007FFB48005000-memory.dmp

Filesize
2.0MB

Download
memory/4588-2-0x00007FFB07E90000-0x00007FFB07EA0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads