e61f3cb3513878eab639c412221959ad5a9e056bb47d6d730cb5b55ccd9152ae

General

Target

e61f3cb3513878eab639c412221959ad5a9e056bb47d6d730cb5b55ccd9152ae.xls
Size

95KB
MD5

a15567326f778883467e7dd7912d3f47
SHA1

deb2cfa75421be6cfeb3f108005a00008cc6cf51
SHA256

e61f3cb3513878eab639c412221959ad5a9e056bb47d6d730cb5b55ccd9152ae
SHA512

f4e20dfa924e6817ab7d9a454ab09feab86c5c8a373414ac6dce714bea0094361b12f0ba8d1e46ac58546b1cafb7b050c6a9865a38230caf51f2133353d14907
SSDEEP

1536:iFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgYHuS4hcTO97v7UYdEJmFx2:cKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg0

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://educacionsanvicentefundacion.com/iplookup/wYEInbaN/

xlm40.dropper

https://www.4monkeys.com/wp-admin/dNAuBEKo/

xlm40.dropper

http://haircutbar.com/cgi-bin/dNfEA5F/

xlm40.dropper

http://gedebey-tvradio.info/wp-includes/T0J9THbd5f2/

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	1216	3496	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2584	3496	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4632	3496	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2884	3496	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 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 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
3496	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3496	EXCEL.EXE
3496	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3496	EXCEL.EXE
3496	EXCEL.EXE
3496	EXCEL.EXE
3496	EXCEL.EXE
3496	EXCEL.EXE
3496	EXCEL.EXE
3496	EXCEL.EXE
3496	EXCEL.EXE
3496	EXCEL.EXE
3496	EXCEL.EXE
3496	EXCEL.EXE
3496	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3496 wrote to memory of 1216	3496	EXCEL.EXE	86
PID 3496 wrote to memory of 1216	3496	EXCEL.EXE	86
PID 3496 wrote to memory of 2584	3496	EXCEL.EXE	90
PID 3496 wrote to memory of 2584	3496	EXCEL.EXE	90
PID 3496 wrote to memory of 4632	3496	EXCEL.EXE	91
PID 3496 wrote to memory of 4632	3496	EXCEL.EXE	91
PID 3496 wrote to memory of 2884	3496	EXCEL.EXE	92
PID 3496 wrote to memory of 2884	3496	EXCEL.EXE	92

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\e61f3cb3513878eab639c412221959ad5a9e056bb47d6d730cb5b55ccd9152ae.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:3496
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1216
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2584
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4632
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2884

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
d619f5957c3a0b2ba700baa8952d998a

SHA1
ae860d611cfb6d0b4e7acaf3bd720845f7320d02

SHA256
1ccd9ed3b1510e3489f2cb56dc4e5ccf8cb164231d6553622cfa9e8cb78fe64b

SHA512
f4bf44de2d8ab90d4800d86712c0dddc75ee1339a9756dc6fec0195b92da17b65baad03f39d7a249b6fa90402af03fc949da276df082a0776ce250dfd332b8fe

Download Submit
memory/3496-0-0x00007FFEF34F0000-0x00007FFEF3500000-memory.dmp

Filesize
64KB

Download
memory/3496-12-0x00007FFF33470000-0x00007FFF33665000-memory.dmp

Filesize
2.0MB

Download
memory/3496-4-0x00007FFEF34F0000-0x00007FFEF3500000-memory.dmp

Filesize
64KB

Download
memory/3496-6-0x00007FFF33470000-0x00007FFF33665000-memory.dmp

Filesize
2.0MB

Download
memory/3496-8-0x00007FFF33470000-0x00007FFF33665000-memory.dmp

Filesize
2.0MB

Download
memory/3496-7-0x00007FFF33470000-0x00007FFF33665000-memory.dmp

Filesize
2.0MB

Download
memory/3496-9-0x00007FFF33470000-0x00007FFF33665000-memory.dmp

Filesize
2.0MB

Download
memory/3496-5-0x00007FFEF34F0000-0x00007FFEF3500000-memory.dmp

Filesize
64KB

Download
memory/3496-10-0x00007FFEF0F00000-0x00007FFEF0F10000-memory.dmp

Filesize
64KB

Download
memory/3496-2-0x00007FFEF34F0000-0x00007FFEF3500000-memory.dmp

Filesize
64KB

Download
memory/3496-1-0x00007FFEF34F0000-0x00007FFEF3500000-memory.dmp

Filesize
64KB

Download
memory/3496-11-0x00007FFEF0F00000-0x00007FFEF0F10000-memory.dmp

Filesize
64KB

Download
memory/3496-13-0x00007FFF33470000-0x00007FFF33665000-memory.dmp

Filesize
2.0MB

Download
memory/3496-15-0x00007FFF33470000-0x00007FFF33665000-memory.dmp

Filesize
2.0MB

Download
memory/3496-14-0x00007FFF33470000-0x00007FFF33665000-memory.dmp

Filesize
2.0MB

Download
memory/3496-17-0x00007FFF33470000-0x00007FFF33665000-memory.dmp

Filesize
2.0MB

Download
memory/3496-19-0x00007FFF33470000-0x00007FFF33665000-memory.dmp

Filesize
2.0MB

Download
memory/3496-18-0x00007FFF33470000-0x00007FFF33665000-memory.dmp

Filesize
2.0MB

Download
memory/3496-16-0x00007FFF33470000-0x00007FFF33665000-memory.dmp

Filesize
2.0MB

Download
memory/3496-32-0x00007FFF33470000-0x00007FFF33665000-memory.dmp

Filesize
2.0MB

Download
memory/3496-3-0x00007FFF3350D000-0x00007FFF3350E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads