4e59716215358b1963af87001f4b9c2965b20270a981f0815c8deb1093c22bbb

General

Target

4e59716215358b1963af87001f4b9c2965b20270a981f0815c8deb1093c22bbb.xls
Size

95KB
MD5

3353a4b9d5935314092349910e762df0
SHA1

66ebeb8e6ca50ce7009e00e7afa062b12f25240e
SHA256

4e59716215358b1963af87001f4b9c2965b20270a981f0815c8deb1093c22bbb
SHA512

0b8c7b4d9672d70024d0d36b2600dff601d52631c7e79bf7fae84ae24593e4c25521d0f04f5596c5a256f7ff6be97b12bc2cf1e7c9334498c9ba6f19e8020afe
SSDEEP

1536:UkKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgNHuS4hcTO97v7UYdEJmJ:bKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgk

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	3616	3600	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2344	3600	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2792	3600	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3236	3600	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\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3600	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3600	EXCEL.EXE
3600	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3600	EXCEL.EXE
3600	EXCEL.EXE
3600	EXCEL.EXE
3600	EXCEL.EXE
3600	EXCEL.EXE
3600	EXCEL.EXE
3600	EXCEL.EXE
3600	EXCEL.EXE
3600	EXCEL.EXE
3600	EXCEL.EXE
3600	EXCEL.EXE
3600	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3600 wrote to memory of 3616	3600	EXCEL.EXE	89
PID 3600 wrote to memory of 3616	3600	EXCEL.EXE	89
PID 3600 wrote to memory of 2344	3600	EXCEL.EXE	92
PID 3600 wrote to memory of 2344	3600	EXCEL.EXE	92
PID 3600 wrote to memory of 2792	3600	EXCEL.EXE	95
PID 3600 wrote to memory of 2792	3600	EXCEL.EXE	95
PID 3600 wrote to memory of 3236	3600	EXCEL.EXE	96
PID 3600 wrote to memory of 3236	3600	EXCEL.EXE	96

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\4e59716215358b1963af87001f4b9c2965b20270a981f0815c8deb1093c22bbb.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:3600
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3616
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2344
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2792
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3236

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
719a576fd82c153779437808fda5956b

SHA1
aa8d666cc6a6b4d6f35bfe62eae527a62b47582a

SHA256
fa42766f3280b8d882e9e0e5ede4a2fb523187853435220e3247fcba4e15fe94

SHA512
2b145a7a3f7029cb6ed8abcee8dda83f17d81e5850f9b554d3b2afd797fa25f20458431e46ec678d2f0266db1163e7e261890f45e69e20d5464b5b785a305a9c

Download Submit
memory/3600-12-0x00007FF8FDB70000-0x00007FF8FDD65000-memory.dmp

Filesize
2.0MB

Download
memory/3600-41-0x00007FF8FDB70000-0x00007FF8FDD65000-memory.dmp

Filesize
2.0MB

Download
memory/3600-5-0x00007FF8FDB70000-0x00007FF8FDD65000-memory.dmp

Filesize
2.0MB

Download
memory/3600-4-0x00007FF8BDBF0000-0x00007FF8BDC00000-memory.dmp

Filesize
64KB

Download
memory/3600-7-0x00007FF8FDB70000-0x00007FF8FDD65000-memory.dmp

Filesize
2.0MB

Download
memory/3600-8-0x00007FF8BDBF0000-0x00007FF8BDC00000-memory.dmp

Filesize
64KB

Download
memory/3600-6-0x00007FF8FDB70000-0x00007FF8FDD65000-memory.dmp

Filesize
2.0MB

Download
memory/3600-11-0x00007FF8FDB70000-0x00007FF8FDD65000-memory.dmp

Filesize
2.0MB

Download
memory/3600-0-0x00007FF8BDBF0000-0x00007FF8BDC00000-memory.dmp

Filesize
64KB

Download
memory/3600-3-0x00007FF8BDBF0000-0x00007FF8BDC00000-memory.dmp

Filesize
64KB

Download
memory/3600-2-0x00007FF8BDBF0000-0x00007FF8BDC00000-memory.dmp

Filesize
64KB

Download
memory/3600-10-0x00007FF8FDB70000-0x00007FF8FDD65000-memory.dmp

Filesize
2.0MB

Download
memory/3600-13-0x00007FF8BB7C0000-0x00007FF8BB7D0000-memory.dmp

Filesize
64KB

Download
memory/3600-15-0x00007FF8BB7C0000-0x00007FF8BB7D0000-memory.dmp

Filesize
64KB

Download
memory/3600-14-0x00007FF8FDB70000-0x00007FF8FDD65000-memory.dmp

Filesize
2.0MB

Download
memory/3600-36-0x00007FF8FDB70000-0x00007FF8FDD65000-memory.dmp

Filesize
2.0MB

Download
memory/3600-40-0x00007FF8FDC0D000-0x00007FF8FDC0E000-memory.dmp

Filesize
4KB

Download
memory/3600-1-0x00007FF8FDC0D000-0x00007FF8FDC0E000-memory.dmp

Filesize
4KB

Download
memory/3600-42-0x00007FF8FDB70000-0x00007FF8FDD65000-memory.dmp

Filesize
2.0MB

Download
memory/3600-9-0x00007FF8FDB70000-0x00007FF8FDD65000-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