1782b4e1c271c0139beb630134ceec003b07a570d0aef73a75e9433fd7eabf28

General

Target

1782b4e1c271c0139beb630134ceec003b07a570d0aef73a75e9433fd7eabf28.xls
Size

96KB
MD5

2de2acb575c525874bbe5ad2694fb3dc
SHA1

170af973d23476699a488de9d96808a45ded2708
SHA256

1782b4e1c271c0139beb630134ceec003b07a570d0aef73a75e9433fd7eabf28
SHA512

a39f2c57e0338748b7f595d288f6140a7f6ff46dede42f1d1d64773c60922637ee105d5058f9bba8f3627d2b2aa8ac45b8ea08753fe3ae499dfad6d158a3f88a
SSDEEP

1536:7kKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg2HuS4hcTO97v7UYdEJmW:IKpb8rGYrMPe3q7Q0XV5xtezEsi8/dga

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	3040	2076	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4864	2076	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1736	2076	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4760	2076	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 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
2076	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2076	EXCEL.EXE
2076	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2076	EXCEL.EXE
2076	EXCEL.EXE
2076	EXCEL.EXE
2076	EXCEL.EXE
2076	EXCEL.EXE
2076	EXCEL.EXE
2076	EXCEL.EXE
2076	EXCEL.EXE
2076	EXCEL.EXE
2076	EXCEL.EXE
2076	EXCEL.EXE
2076	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 3040	2076	EXCEL.EXE	87
PID 2076 wrote to memory of 3040	2076	EXCEL.EXE	87
PID 2076 wrote to memory of 4864	2076	EXCEL.EXE	90
PID 2076 wrote to memory of 4864	2076	EXCEL.EXE	90
PID 2076 wrote to memory of 1736	2076	EXCEL.EXE	92
PID 2076 wrote to memory of 1736	2076	EXCEL.EXE	92
PID 2076 wrote to memory of 4760	2076	EXCEL.EXE	96
PID 2076 wrote to memory of 4760	2076	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\1782b4e1c271c0139beb630134ceec003b07a570d0aef73a75e9433fd7eabf28.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:2076
- 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:4864
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1736
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4760

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
58a4996f5e67172755e168e2829fd673

SHA1
a86f19dc9959f315529ca02db3640063774160c1

SHA256
4d363c9bcd474004d73e4b5fa7abce37f067eacf1702b25e3d6dd0adab1c9c1d

SHA512
500743b9e25f8361534ff36095380f5b1dab33cd793d8c331cdd7324882739c6ec3ad03a5b163095fdb206d9aa3f7814978aefc5b3d91961946c8bb0c99ffa45

Download Submit
memory/2076-7-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

Filesize
64KB

Download
memory/2076-49-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/2076-3-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

Filesize
64KB

Download
memory/2076-4-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/2076-6-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/2076-5-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

Filesize
64KB

Download
memory/2076-10-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/2076-11-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/2076-9-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/2076-12-0x00007FFA5D5A0000-0x00007FFA5D5B0000-memory.dmp

Filesize
64KB

Download
memory/2076-0-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

Filesize
64KB

Download
memory/2076-2-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

Filesize
64KB

Download
memory/2076-16-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/2076-15-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/2076-13-0x00007FFA5D5A0000-0x00007FFA5D5B0000-memory.dmp

Filesize
64KB

Download
memory/2076-14-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/2076-17-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/2076-19-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/2076-18-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/2076-47-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/2076-48-0x00007FFA9FC8D000-0x00007FFA9FC8E000-memory.dmp

Filesize
4KB

Download
memory/2076-1-0x00007FFA9FC8D000-0x00007FFA9FC8E000-memory.dmp

Filesize
4KB

Download
memory/2076-53-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/2076-8-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads