ef1012355c77a6ff48b7daccfd1cc435cc780281f9f56094f83010f20b718ea0

General

Target

748e5c3284daf167379cca28d2e7064f.xls
Size

35KB
MD5

748e5c3284daf167379cca28d2e7064f
SHA1

f5c71ad5359b74ec20e112983cb0063fb3b4b80b
SHA256

ef1012355c77a6ff48b7daccfd1cc435cc780281f9f56094f83010f20b718ea0
SHA512

51f2df51fb7f1c43d8ea993c3fb096969a7f5037a3c3670dc23916284cc9aac143a8b040d6b3b8aa760eff5a8917127ce955ef4d5bb347cf38a0f6d64fe1628d
SSDEEP

768:7PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJIYH9sM95V+ETtZmM24:Dok3hbdlylKsgqopeJBWhZFGkE+cL2N8

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 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	3420	4796	explorer.exe	28

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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4796	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4796	EXCEL.EXE
4796	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
4796	EXCEL.EXE
4796	EXCEL.EXE
4796	EXCEL.EXE
4796	EXCEL.EXE
4796	EXCEL.EXE
4796	EXCEL.EXE
4796	EXCEL.EXE
4796	EXCEL.EXE
4796	EXCEL.EXE
4796	EXCEL.EXE
4796	EXCEL.EXE
4796	EXCEL.EXE
4796	EXCEL.EXE
4796	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 3420	4796	EXCEL.EXE	89
PID 4796 wrote to memory of 3420	4796	EXCEL.EXE	89
PID 436 wrote to memory of 4316	436	explorer.exe	91
PID 436 wrote to memory of 4316	436	explorer.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\748e5c3284daf167379cca28d2e7064f.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:4796
- C:\Windows\explorer.exe
  explorer.exe C:\Users\Public\Documents\nCg.vbs
  2⤵
  - Process spawned unexpected child process
  PID:3420

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:436
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\nCg.vbs"
  2⤵
  PID:4316

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

C:\Users\Public\Documents\nCg.vbs

Filesize
570B

MD5
cca0cf3060b6ef1843ed20b75f76f767

SHA1
0126f55c91abbe3416ffd952082ef186117d5710

SHA256
803bdb74d03e49f86206e47a4cbe1d600bfb01566435db117d561af7edf19c05

SHA512
ea21796e1f60cd8377fc020288c47f50794537ea0fa215b1d69ec670264c31449ab1fb4bad7bf98531d86e2b6697564e48013fc27485343b9d80b2acdc4ce416

Download Submit
memory/4796-14-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download
memory/4796-35-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download
memory/4796-3-0x00007FF85D390000-0x00007FF85D3A0000-memory.dmp

Filesize
64KB

Download
memory/4796-4-0x00007FF85D390000-0x00007FF85D3A0000-memory.dmp

Filesize
64KB

Download
memory/4796-5-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download
memory/4796-7-0x00007FF85D390000-0x00007FF85D3A0000-memory.dmp

Filesize
64KB

Download
memory/4796-8-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download
memory/4796-6-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download
memory/4796-9-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download
memory/4796-10-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download
memory/4796-11-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download
memory/4796-15-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download
memory/4796-2-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download
memory/4796-13-0x00007FF85B280000-0x00007FF85B290000-memory.dmp

Filesize
64KB

Download
memory/4796-12-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download
memory/4796-18-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download
memory/4796-19-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download
memory/4796-17-0x00007FF85B280000-0x00007FF85B290000-memory.dmp

Filesize
64KB

Download
memory/4796-20-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download
memory/4796-16-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download
memory/4796-21-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download
memory/4796-22-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download
memory/4796-23-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download
memory/4796-1-0x00007FF85D390000-0x00007FF85D3A0000-memory.dmp

Filesize
64KB

Download
memory/4796-0-0x00007FF85D390000-0x00007FF85D3A0000-memory.dmp

Filesize
64KB

Download
memory/4796-36-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download
memory/4796-37-0x00007FF89D310000-0x00007FF89D505000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads