4fb9fe1d6aef3566205ec593349d9523c6a60101513a8b0a6a9665cec282d63f

General

Target

4fb9fe1d6aef3566205ec593349d9523c6a60101513a8b0a6a9665cec282d63f.xls
Size

42KB
MD5

6f01662ba35628594a94940a1d11987e
SHA1

fb16c6fa665e2e609ec5a7e56fa1aa1850f29809
SHA256

4fb9fe1d6aef3566205ec593349d9523c6a60101513a8b0a6a9665cec282d63f
SHA512

ab260a52705adcc2121212e2a169fa953bd296b6acdf9b8bd6bce0e72c17a8e52657c4ea0cd460fdfcc7dc730aeae089ef1ca612cd8befd643a09054ce9b370b
SSDEEP

768:dPXk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJrVbQvU0TQmSoxF9ovmNje:VXk3hbdlylKsgqopeJBWhZFGkE+cL2NY

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 2 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	1140	2312	explorer.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3876	2312	explorer.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2312	EXCEL.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2312	EXCEL.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2312	EXCEL.EXE
2312	EXCEL.EXE
2312	EXCEL.EXE
2312	EXCEL.EXE
2312	EXCEL.EXE
2312	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 1140	2312	EXCEL.EXE	87
PID 2312 wrote to memory of 1140	2312	EXCEL.EXE	87
PID 3232 wrote to memory of 740	3232	explorer.exe	89
PID 3232 wrote to memory of 740	3232	explorer.exe	89
PID 2312 wrote to memory of 3876	2312	EXCEL.EXE	90
PID 2312 wrote to memory of 3876	2312	EXCEL.EXE	90
PID 1668 wrote to memory of 3516	1668	explorer.exe	92
PID 1668 wrote to memory of 3516	1668	explorer.exe	92

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\4fb9fe1d6aef3566205ec593349d9523c6a60101513a8b0a6a9665cec282d63f.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:2312
- C:\Windows\explorer.exe
  explorer.exe C:\Users\Public\yQ6coHPG.vbs
  2⤵
  - Process spawned unexpected child process
  PID:1140
- C:\Windows\explorer.exe
  explorer.exe C:\Users\Public\yQ6coHPG.vbs
  2⤵
  - Process spawned unexpected child process
  PID:3876

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3232
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Public\yQ6coHPG.vbs"
  2⤵
  PID:740

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Public\yQ6coHPG.vbs"
  2⤵
  PID:3516

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\Public\JURsD.txt

Filesize
3B

MD5
21438ef4b9ad4fc266b6129a2f60de29

SHA1
5eb8e2242eeb4f5432beeec8b873f1ab0a6b71fd

SHA256
13bf7b3039c63bf5a50491fa3cfd8eb4e699d1ba1436315aef9cbe5711530354

SHA512
37436ced85e5cd638973e716d6713257d692f9dd2e1975d5511ae3856a7b3b9f0d9e497315a058b516ab31d652ea9950938c77c1ad435ea8d4b49d73427d1237

Download Submit
C:\Users\Public\yQ6coHPG.vbs

Filesize
356B

MD5
42a438a7b2fbc302c9fb5d72a668b0a4

SHA1
d665df7886af0d7990f0976cb9ade7c1585135e8

SHA256
a6586cc164198f825103dce5dcc9289317574e3a92165a24f7c4ae78d09c5949

SHA512
2dec97db982e594c8c29814a0a1e16f90bbcb10d84e523fe6eedbdb49e4d109f29f35fb5846ac726da2c3d110e8ecffb600d377ecc8120cfde354639ac005b47

Download Submit
C:\Users\Public\yQ6coHPG.vbs

Filesize
667B

MD5
7ac01573697bec6240bd9acc9a7913e0

SHA1
5192dc639878f65686f039d248fd26cc05951d00

SHA256
b4996aa139d3de4cb1c3c0834660652559760a730071b082077a359477387d0b

SHA512
3cadff754fc91a5df33bc7a85cfc65a99fe601526a36674c53043b4fb4a0b511b6b9b205b3d661b661bd3c6af48923bac8c7286ed256519999a26687cc0ce3fe

Download Submit
memory/2312-10-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/2312-13-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/2312-5-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/2312-7-0x00007FFAF8EF0000-0x00007FFAF8F00000-memory.dmp

Filesize
64KB

Download
memory/2312-4-0x00007FFAF8EF0000-0x00007FFAF8F00000-memory.dmp

Filesize
64KB

Download
memory/2312-11-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/2312-12-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/2312-0-0x00007FFAF8EF0000-0x00007FFAF8F00000-memory.dmp

Filesize
64KB

Download
memory/2312-14-0x00007FFAF6590000-0x00007FFAF65A0000-memory.dmp

Filesize
64KB

Download
memory/2312-6-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/2312-9-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/2312-8-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/2312-15-0x00007FFAF6590000-0x00007FFAF65A0000-memory.dmp

Filesize
64KB

Download
memory/2312-2-0x00007FFAF8EF0000-0x00007FFAF8F00000-memory.dmp

Filesize
64KB

Download
memory/2312-3-0x00007FFAF8EF0000-0x00007FFAF8F00000-memory.dmp

Filesize
64KB

Download
memory/2312-1-0x00007FFB38F0D000-0x00007FFB38F0E000-memory.dmp

Filesize
4KB

Download
memory/2312-32-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/2312-33-0x00007FFB38F0D000-0x00007FFB38F0E000-memory.dmp

Filesize
4KB

Download
memory/2312-34-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/2312-35-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads