ad222ffd5352918d4d7952a11d47f8d0a21e1e3452a22014fd167ade96593497

General

Target

5c1f66c0a55ea34a6910afd06aa69001.xls
Size

35KB
MD5

5c1f66c0a55ea34a6910afd06aa69001
SHA1

f769e6e5dd1281a202446037197a57e4a49e3aa6
SHA256

ad222ffd5352918d4d7952a11d47f8d0a21e1e3452a22014fd167ade96593497
SHA512

9acbb7b2c71619d68d9bfe12425917055f5910b622a22c7f3222fb9a854cddb0c66f1190a012701731b36a0fc17f146cff09b9b7bba5a34bb4467480d20c0f73
SSDEEP

768:jPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJKsQFMphloyQd8CHOPvXi:7ok3hbdlylKsgqopeJBWhZFGkE+cL2Np

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	3208	3576	explorer.exe	32

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3576	EXCEL.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3576	EXCEL.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 3208	3576	EXCEL.EXE	92
PID 3576 wrote to memory of 3208	3576	EXCEL.EXE	92
PID 1984 wrote to memory of 5080	1984	explorer.exe	94
PID 1984 wrote to memory of 5080	1984	explorer.exe	94

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\5c1f66c0a55ea34a6910afd06aa69001.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:3576
- C:\Windows\explorer.exe
  explorer.exe C:\Users\Public\Documents\a3Fs5Yxm.vbs
  2⤵
  - Process spawned unexpected child process
  PID:3208

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\a3Fs5Yxm.vbs"
  2⤵
  PID:5080

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\Public\Documents\a3Fs5Yxm.vbs

Filesize
554B

MD5
7f9a752b35132858ec685e752482118e

SHA1
eb3d92914384d2fcad5929008c952088e0068581

SHA256
797267a01af6d24eef5063dff46bc4f4f83957bf315b2c7e3ee23a4ec8b85342

SHA512
9560b457b3b17c0adc8aa4f7d87f8a2f4f43c36305554152f43b79a72e04e08e3feafe3ff4612f34bf03fff99a0d4b533a3ef73198d86062e3d1f245dc08efca

Download Submit
memory/3576-12-0x00007FFC62C40000-0x00007FFC62C50000-memory.dmp

Filesize
64KB

Download
memory/3576-35-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download
memory/3576-3-0x00007FFC65490000-0x00007FFC654A0000-memory.dmp

Filesize
64KB

Download
memory/3576-4-0x00007FFC65490000-0x00007FFC654A0000-memory.dmp

Filesize
64KB

Download
memory/3576-5-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download
memory/3576-7-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download
memory/3576-6-0x00007FFC65490000-0x00007FFC654A0000-memory.dmp

Filesize
64KB

Download
memory/3576-9-0x00007FFC62C40000-0x00007FFC62C50000-memory.dmp

Filesize
64KB

Download
memory/3576-8-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download
memory/3576-10-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download
memory/3576-11-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download
memory/3576-15-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download
memory/3576-2-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download
memory/3576-13-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download
memory/3576-14-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download
memory/3576-16-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download
memory/3576-17-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download
memory/3576-18-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download
memory/3576-19-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download
memory/3576-20-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download
memory/3576-21-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download
memory/3576-22-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download
memory/3576-23-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download
memory/3576-1-0x00007FFC65490000-0x00007FFC654A0000-memory.dmp

Filesize
64KB

Download
memory/3576-0-0x00007FFC65490000-0x00007FFC654A0000-memory.dmp

Filesize
64KB

Download
memory/3576-36-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download
memory/3576-37-0x00007FFCA5410000-0x00007FFCA5605000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads