a4afc119a4cf6c109181b47cf909efbbb97764cc5db283f9d1d21761b15c4e96

General

Target

ad3b53013740257aadd4ede43e292c40.xls
Size

36KB
MD5

ad3b53013740257aadd4ede43e292c40
SHA1

f09b49bae0f495a7c8e61d46b8d4414aa7509045
SHA256

a4afc119a4cf6c109181b47cf909efbbb97764cc5db283f9d1d21761b15c4e96
SHA512

270b0e69669c93a4d3d3eda047c378a22e86be32b4ec34c8fed5a9b7c0963ecce0e5a754a3caf6ed48486bb4da9b56362119430b0f93d043251cd6df2c02404f
SSDEEP

768:+PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJAPm0rKqYoJQoD:Cok3hbdlylKsgqopeJBWhZFGkE+cL2NF

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	2356	2592	explorer.exe	9

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-1-5-21-1904519900-954640453-4250331663-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2592	EXCEL.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2592	EXCEL.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2592	EXCEL.EXE
2592	EXCEL.EXE
2592	EXCEL.EXE
2592	EXCEL.EXE
2592	EXCEL.EXE
2592	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 2356	2592	EXCEL.EXE	99
PID 2592 wrote to memory of 2356	2592	EXCEL.EXE	99
PID 4332 wrote to memory of 4516	4332	explorer.exe	102
PID 4332 wrote to memory of 4516	4332	explorer.exe	102

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ad3b53013740257aadd4ede43e292c40.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:2592
- C:\Windows\explorer.exe
  explorer.exe C:\Users\Public\Documents\ajuW7c6w.vbs
  2⤵
  - Process spawned unexpected child process
  PID:2356

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4332
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\ajuW7c6w.vbs"
  2⤵
  PID:4516

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4080 --field-trial-handle=2432,i,12161922670941700748,3348345705955601576,262144 --variations-seed-version /prefetch:8
1⤵
PID:2436

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\ajuW7c6w.vbs

Filesize
553B

MD5
f9a348883057ea0d5fd29f210d065d7b

SHA1
1789e30917481fe35050dc0daa72e3501fbe4a36

SHA256
b5ee83c51fc725b492b2e76bb503abd2e861ecfa0ecb5074039ebade544e35bc

SHA512
269887caa4e6ca8d6da17e8d796f507cc070a8f1af85961df284f946e18dd11bd9c778ff9770d62e0728d2d9c67d124cd6035ead820837f16d02a44db5c3aa9f

Download Submit
memory/2592-6-0x00007FFC6CDD0000-0x00007FFC6CDE0000-memory.dmp

Filesize
64KB

Download
memory/2592-10-0x00007FFCACD50000-0x00007FFCACF45000-memory.dmp

Filesize
2.0MB

Download
memory/2592-2-0x00007FFC6CDD0000-0x00007FFC6CDE0000-memory.dmp

Filesize
64KB

Download
memory/2592-5-0x00007FFCACD50000-0x00007FFCACF45000-memory.dmp

Filesize
2.0MB

Download
memory/2592-4-0x00007FFC6CDD0000-0x00007FFC6CDE0000-memory.dmp

Filesize
64KB

Download
memory/2592-8-0x00007FFC6CDD0000-0x00007FFC6CDE0000-memory.dmp

Filesize
64KB

Download
memory/2592-7-0x00007FFCACD50000-0x00007FFCACF45000-memory.dmp

Filesize
2.0MB

Download
memory/2592-0-0x00007FFC6CDD0000-0x00007FFC6CDE0000-memory.dmp

Filesize
64KB

Download
memory/2592-3-0x00007FFCACD50000-0x00007FFCACF45000-memory.dmp

Filesize
2.0MB

Download
memory/2592-11-0x00007FFCACD50000-0x00007FFCACF45000-memory.dmp

Filesize
2.0MB

Download
memory/2592-9-0x00007FFCACD50000-0x00007FFCACF45000-memory.dmp

Filesize
2.0MB

Download
memory/2592-12-0x00007FFC6A7B0000-0x00007FFC6A7C0000-memory.dmp

Filesize
64KB

Download
memory/2592-13-0x00007FFC6A7B0000-0x00007FFC6A7C0000-memory.dmp

Filesize
64KB

Download
memory/2592-1-0x00007FFCACD50000-0x00007FFCACF45000-memory.dmp

Filesize
2.0MB

Download
memory/2592-22-0x00007FFCACD50000-0x00007FFCACF45000-memory.dmp

Filesize
2.0MB

Download
memory/2592-23-0x00007FFCACD50000-0x00007FFCACF45000-memory.dmp

Filesize
2.0MB

Download
memory/2592-24-0x00007FFCACD50000-0x00007FFCACF45000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads