80593e089f61d2454450fc489fb8e6c55c476b0dd8d695d8d3c47fe5aced01e0

General

Target

80593e089f61d2454450fc489fb8e6c55c476b0dd8d695d8d3c47fe5aced01e0.xls
Size

96KB
MD5

80fce87bbc03766781f1b77f25a48925
SHA1

391c69b07b971fae5cdd929d60be9c0c086d08b4
SHA256

80593e089f61d2454450fc489fb8e6c55c476b0dd8d695d8d3c47fe5aced01e0
SHA512

cec68cdaa7ac53c664478a87bdb6190da5883083253351676237b86aba0e272e57259c4e55ce5b1e0c4ec83a5d3d206c3ac29703c401425e3be3b00d7369a4be
SSDEEP

1536:7kKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg2HuS4hcTO97v7UYdEJmA:IKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgs

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://atperson.com/campusvirtual/EOgFGo17w/

xlm40.dropper

https://eliteturismo.com/phpmailer-old/dafdBxQONtk5Uf9dxll/

xlm40.dropper

http://atici.net/c/JDFDBMIz/

xlm40.dropper

http://domesticuif.co.za/libraries/nbnH9dpd/

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	4532	816	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3236	816	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1224	816	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3100	816	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
816	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
816	EXCEL.EXE
816	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 816 wrote to memory of 4532	816	EXCEL.EXE	86
PID 816 wrote to memory of 4532	816	EXCEL.EXE	86
PID 816 wrote to memory of 3236	816	EXCEL.EXE	90
PID 816 wrote to memory of 3236	816	EXCEL.EXE	90
PID 816 wrote to memory of 1224	816	EXCEL.EXE	91
PID 816 wrote to memory of 1224	816	EXCEL.EXE	91
PID 816 wrote to memory of 3100	816	EXCEL.EXE	93
PID 816 wrote to memory of 3100	816	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\80593e089f61d2454450fc489fb8e6c55c476b0dd8d695d8d3c47fe5aced01e0.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:816
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4532
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3236
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1224
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3100

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
bee68009066fa180050f8a5c4b88c7ea

SHA1
9c004bc5a385fb51d13290dad71f8768d0114496

SHA256
56eafda0eb50b4854f09b0cc1dca73f36a2f5a2ab6204c816e9072c7d2166363

SHA512
d75f07f038420d8a89081b6e8421a42dc9f6c0b828563d47e3d2ceb5c1d6565811ba24717b17da188a527b4424c12769cff7d6112508ee2425b33ad772aaf015

Download Submit
memory/816-16-0x00007FFC4C3F0000-0x00007FFC4C5E5000-memory.dmp

Filesize
2.0MB

Download
memory/816-2-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

Filesize
64KB

Download
memory/816-5-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

Filesize
64KB

Download
memory/816-7-0x00007FFC4C3F0000-0x00007FFC4C5E5000-memory.dmp

Filesize
2.0MB

Download
memory/816-8-0x00007FFC4C3F0000-0x00007FFC4C5E5000-memory.dmp

Filesize
2.0MB

Download
memory/816-10-0x00007FFC4C3F0000-0x00007FFC4C5E5000-memory.dmp

Filesize
2.0MB

Download
memory/816-11-0x00007FFC0A200000-0x00007FFC0A210000-memory.dmp

Filesize
64KB

Download
memory/816-9-0x00007FFC4C3F0000-0x00007FFC4C5E5000-memory.dmp

Filesize
2.0MB

Download
memory/816-3-0x00007FFC4C48D000-0x00007FFC4C48E000-memory.dmp

Filesize
4KB

Download
memory/816-13-0x00007FFC4C3F0000-0x00007FFC4C5E5000-memory.dmp

Filesize
2.0MB

Download
memory/816-17-0x00007FFC4C3F0000-0x00007FFC4C5E5000-memory.dmp

Filesize
2.0MB

Download
memory/816-18-0x00007FFC0A200000-0x00007FFC0A210000-memory.dmp

Filesize
64KB

Download
memory/816-15-0x00007FFC4C3F0000-0x00007FFC4C5E5000-memory.dmp

Filesize
2.0MB

Download
memory/816-14-0x00007FFC4C3F0000-0x00007FFC4C5E5000-memory.dmp

Filesize
2.0MB

Download
memory/816-12-0x00007FFC4C3F0000-0x00007FFC4C5E5000-memory.dmp

Filesize
2.0MB

Download
memory/816-6-0x00007FFC4C3F0000-0x00007FFC4C5E5000-memory.dmp

Filesize
2.0MB

Download
memory/816-1-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

Filesize
64KB

Download
memory/816-0-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

Filesize
64KB

Download
memory/816-46-0x00007FFC4C3F0000-0x00007FFC4C5E5000-memory.dmp

Filesize
2.0MB

Download
memory/816-4-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads