7bb679fd3535464237922aac06d99bcd687e4a1c4ccc825e0986981e0eed7c49

General

Target

7bb679fd3535464237922aac06d99bcd687e4a1c4ccc825e0986981e0eed7c49.xls
Size

95KB
MD5

2d3b1a5dad99e32f133e13f260519b6a
SHA1

3f488f1f85d6daa8d4376a8c232b9efc209a1c41
SHA256

7bb679fd3535464237922aac06d99bcd687e4a1c4ccc825e0986981e0eed7c49
SHA512

40b022c41cf0c2b57182134fb02a2e5d25858b0cc89d4b5919f05f229758e174796f81b934ebb79dd7564830f6b173d0805633902e29fd007e10a5d557e7583e
SSDEEP

1536:PFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgCHuS4hcTO97v7UYdEJmor:tKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg+

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.sunflowerlaboratory.in/fonts/79Tq62ly/

xlm40.dropper

http://dirigent.co.uk/vardagsekonomi/iC36jJ4J1cf/

xlm40.dropper

http://agtrade.hu/images/kiQYmOs2tSKq/

xlm40.dropper

https://www.zachboyle.com/wp-admin/EA470ZrTGNkuA/

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	2480	2580	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2352	2580	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3052	2580	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2344	2580	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 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
2580	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2580	EXCEL.EXE
2580	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 2480	2580	EXCEL.EXE	87
PID 2580 wrote to memory of 2480	2580	EXCEL.EXE	87
PID 2580 wrote to memory of 2352	2580	EXCEL.EXE	89
PID 2580 wrote to memory of 2352	2580	EXCEL.EXE	89
PID 2580 wrote to memory of 3052	2580	EXCEL.EXE	90
PID 2580 wrote to memory of 3052	2580	EXCEL.EXE	90
PID 2580 wrote to memory of 2344	2580	EXCEL.EXE	91
PID 2580 wrote to memory of 2344	2580	EXCEL.EXE	91

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\7bb679fd3535464237922aac06d99bcd687e4a1c4ccc825e0986981e0eed7c49.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:2580
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2480
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2352
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3052
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2344

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

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Downloads

memory/2580-1-0x00007FFD6E98D000-0x00007FFD6E98E000-memory.dmp

Filesize
4KB

Download
memory/2580-0-0x00007FFD2E970000-0x00007FFD2E980000-memory.dmp

Filesize
64KB

Download
memory/2580-3-0x00007FFD2E970000-0x00007FFD2E980000-memory.dmp

Filesize
64KB

Download
memory/2580-4-0x00007FFD2E970000-0x00007FFD2E980000-memory.dmp

Filesize
64KB

Download
memory/2580-5-0x00007FFD2E970000-0x00007FFD2E980000-memory.dmp

Filesize
64KB

Download
memory/2580-2-0x00007FFD2E970000-0x00007FFD2E980000-memory.dmp

Filesize
64KB

Download
memory/2580-6-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-8-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-7-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-10-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-9-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-11-0x00007FFD2C550000-0x00007FFD2C560000-memory.dmp

Filesize
64KB

Download
memory/2580-13-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-14-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-15-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-16-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-18-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-19-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-20-0x00007FFD2C550000-0x00007FFD2C560000-memory.dmp

Filesize
64KB

Download
memory/2580-17-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-12-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-44-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-45-0x00007FFD6E98D000-0x00007FFD6E98E000-memory.dmp

Filesize
4KB

Download
memory/2580-46-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-50-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads