37e259d6564071807b7b4266ed1dd8bf2059f3e7f438b8487dd0149e5e0487ec

General

Target

baddoc.doc
Size

1.5MB
MD5

0c4540f659d3942a28f158bce7be1143
SHA1

d1cc0f861f162dfbf9df1493fe861d02b80483f6
SHA256

37e259d6564071807b7b4266ed1dd8bf2059f3e7f438b8487dd0149e5e0487ec
SHA512

9b611fe0d00cc08bfa72cb7723af64f29b58e4db68d32ca07effa8e90fb7c8fd46a3a48b8b00d1e1dba09b4514bfb3c447ea59da5b4ac90797728cffa03313b0
SSDEEP

24576:WcuQXAlhOOZQ3XkaL17MlNuoQPc2V5TBDR4AtPe1LFGZ2KaO+79Gh8B:z53ClNADSDB7A8B

Score

10^/10

persistence

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\WINWORD.EXE is not expected to spawn this process	1056	3972	cmd.exe	81

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0002000000022dcd-149.dat	acprotect
behavioral2/files/0x0002000000022dcd-150.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
2656	yandex.exe

Loads dropped DLL 1 IoCs

pid	Process
2656	yandex.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YandexDisk = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\yandex.exe"	yandex.exe

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	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.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	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3972	WINWORD.EXE
3972	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2656	yandex.exe
2656	yandex.exe
2656	yandex.exe
2656	yandex.exe

Suspicious use of SetWindowsHookEx 18 IoCs

pid	Process
3972	WINWORD.EXE
3972	WINWORD.EXE
3972	WINWORD.EXE
3972	WINWORD.EXE
3972	WINWORD.EXE
3972	WINWORD.EXE
3972	WINWORD.EXE
3972	WINWORD.EXE
3972	WINWORD.EXE
3972	WINWORD.EXE
3972	WINWORD.EXE
3972	WINWORD.EXE
3972	WINWORD.EXE
3972	WINWORD.EXE
3972	WINWORD.EXE
3972	WINWORD.EXE
3972	WINWORD.EXE
3972	WINWORD.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 1056	3972	WINWORD.EXE	82
PID 3972 wrote to memory of 1056	3972	WINWORD.EXE	82
PID 3972 wrote to memory of 4936	3972	WINWORD.EXE	85
PID 3972 wrote to memory of 4936	3972	WINWORD.EXE	85
PID 1056 wrote to memory of 2656	1056	cmd.exe	84
PID 1056 wrote to memory of 2656	1056	cmd.exe	84
PID 1056 wrote to memory of 2656	1056	cmd.exe	84

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\baddoc.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3972
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\Microsoft\Windows\yandex.exe
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:1056
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\yandex.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\yandex.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    PID:2656
- C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
  "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Microsoft Word Documents.docx" /o ""
  2⤵
  PID:4936

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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\Admin\AppData\Roaming\Microsoft\Windows\WINHTTP.dll

Filesize
690KB

MD5
dfaa28a53310a43031e406ff927a6866

SHA1
c694e99f8690114c77a6099856d61a3cd4cd814d

SHA256
4a5e9ab0e65e08ceb2adb2d150abb620684e98d79483b6c9f786c56c95fea573

SHA512
9a3a958481264b8c3730c018828a498fd1ed8b594df71dff4ad946938ad82d8ebde741e4080d15555c1933bed414500d935491e866c8d445947e1b37877f2f9b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WINHTTP.dll

Filesize
690KB

MD5
dfaa28a53310a43031e406ff927a6866

SHA1
c694e99f8690114c77a6099856d61a3cd4cd814d

SHA256
4a5e9ab0e65e08ceb2adb2d150abb620684e98d79483b6c9f786c56c95fea573

SHA512
9a3a958481264b8c3730c018828a498fd1ed8b594df71dff4ad946938ad82d8ebde741e4080d15555c1933bed414500d935491e866c8d445947e1b37877f2f9b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\yandex.exe

Filesize
361KB

MD5
89928e2b55c9ee0c021fcb2f1acf3ac0

SHA1
96810e911124a1ffaf717bc1c06d8dea07d69bf6

SHA256
9c0291f1a68009dde56a66d6856eeff15ecbc5bd89460399238b59408d972e0c

SHA512
ca334377cb5e8edaea91c30216fc71c0d393f096f42be97d828d217e4d6bdd6fe7bc61542571226518dbf218f1478136863dc0509d8de5986ee7fd355313ae83

Download Submit
memory/2656-157-0x00000000759C0000-0x0000000075A79000-memory.dmp

Filesize
740KB

Download
memory/2656-152-0x00000000759C0000-0x0000000075A79000-memory.dmp

Filesize
740KB

Download
memory/3972-137-0x00007FFD92AA0000-0x00007FFD92AB0000-memory.dmp

Filesize
64KB

Download
memory/3972-139-0x00000252ADA70000-0x00000252ADA74000-memory.dmp

Filesize
16KB

Download
memory/3972-138-0x00007FFD92AA0000-0x00007FFD92AB0000-memory.dmp

Filesize
64KB

Download
memory/3972-132-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp

Filesize
64KB

Download
memory/3972-136-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp

Filesize
64KB

Download
memory/3972-135-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp

Filesize
64KB

Download
memory/3972-134-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp

Filesize
64KB

Download
memory/3972-133-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp

Filesize
64KB

Download
memory/4936-153-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp

Filesize
64KB

Download
memory/4936-155-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp

Filesize
64KB

Download
memory/4936-154-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp

Filesize
64KB

Download
memory/4936-156-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads