536b59c75eee338dfd505a01baf225b6c20153af6af69b6856768a416d0c85e6

General

Target

536b59c75eee338dfd505a01baf225b6c20153af6af69b6856768a416d0c85e6.xls
Size

95KB
MD5

0db4600f48b82b97707929a54a359054
SHA1

d86fea948e3cb7e5874d133e0a9604febc36194f
SHA256

536b59c75eee338dfd505a01baf225b6c20153af6af69b6856768a416d0c85e6
SHA512

3c45b1efad5ec0524ce0240e14f988a628edb5ec227cdc4585857725c7fc768bef91bae671802f1bfdad543f41a8d1b7ebfd4d799dc226ca63c114411f138c6f
SSDEEP

1536:UkKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgNHuS4hcTO97v7UYdEJm9:bKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgo

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	3040	3576	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2432	3576	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	60	3576	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4324	3576	regsvr32.exe	82

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\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3576	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3576	EXCEL.EXE
3576	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 3040	3576	EXCEL.EXE	87
PID 3576 wrote to memory of 3040	3576	EXCEL.EXE	87
PID 3576 wrote to memory of 2432	3576	EXCEL.EXE	93
PID 3576 wrote to memory of 2432	3576	EXCEL.EXE	93
PID 3576 wrote to memory of 60	3576	EXCEL.EXE	94
PID 3576 wrote to memory of 60	3576	EXCEL.EXE	94
PID 3576 wrote to memory of 4324	3576	EXCEL.EXE	97
PID 3576 wrote to memory of 4324	3576	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\536b59c75eee338dfd505a01baf225b6c20153af6af69b6856768a416d0c85e6.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:3576
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3040
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2432
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:60
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4324

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
60c04917050de36e9abb3a6498a92249

SHA1
888063a37add3688c9ba2da2205c9fe7081b5a06

SHA256
7e1c362c45d82279d93c04aac68c3bcbff6994a82d1718b90b05f996fd9ba86d

SHA512
429db2eb2c9f03e59856df53f3c55f0161a3031cb2b86ebcd97b3152191fffc9663bb6f8e358e96901b5571cbc2053bb6cbc4786dd47e0d244fb8016e025845b

Download Submit
memory/3576-14-0x00007FFD1D390000-0x00007FFD1D3A0000-memory.dmp

Filesize
64KB

Download
memory/3576-2-0x00007FFD1FC70000-0x00007FFD1FC80000-memory.dmp

Filesize
64KB

Download
memory/3576-15-0x00007FFD1D390000-0x00007FFD1D3A0000-memory.dmp

Filesize
64KB

Download
memory/3576-5-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/3576-6-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/3576-4-0x00007FFD1FC70000-0x00007FFD1FC80000-memory.dmp

Filesize
64KB

Download
memory/3576-10-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/3576-13-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/3576-16-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/3576-0-0x00007FFD5FC8D000-0x00007FFD5FC8E000-memory.dmp

Filesize
4KB

Download
memory/3576-1-0x00007FFD1FC70000-0x00007FFD1FC80000-memory.dmp

Filesize
64KB

Download
memory/3576-3-0x00007FFD1FC70000-0x00007FFD1FC80000-memory.dmp

Filesize
64KB

Download
memory/3576-12-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/3576-17-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/3576-9-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/3576-8-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/3576-7-0x00007FFD1FC70000-0x00007FFD1FC80000-memory.dmp

Filesize
64KB

Download
memory/3576-37-0x00007FFD5FC8D000-0x00007FFD5FC8E000-memory.dmp

Filesize
4KB

Download
memory/3576-38-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/3576-43-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/3576-44-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/3576-11-0x00007FFD5FBF0000-0x00007FFD5FDE5000-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