fdf0bbffa4a066cc58dbbb2f0c11b46757eb6466cd752bce6c6c75dabd69012e

General

Target

deed contract,07.21.doc
Size

74KB
MD5

2d0088012b6c1f399e946a8e5b513e36
SHA1

25b7290bf78fce2951ee78df721994890b2d8aad
SHA256

f6c286e79ec7023e8ff292c6f71ad0ecc8fef8463e8d2fe1aa0d527c3d833b01
SHA512

4a2b1d82a52cf7b268a5abdcac5e17b0d080e18de23bebbd9bb2b39484ff42a525b339dd05f9cd86d38f244d0ba819429cac8d49355e69afea764b435fefd8f4

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.

Processes:

cmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	2104	3920	cmd.exe	WINWORD.EXE

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 1100 created 1816 1100 WerFault.exe mshta.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1100 1816 WerFault.exe mshta.exe

description	pid	process	target process
PID 1100 created 1816	1100	WerFault.exe	mshta.exe

pid	pid_target	process	target process
1100	1816	WerFault.exe	mshta.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

Processes:

WINWORD.EXE

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

Processes:

WINWORD.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE

Modifies registry class 1 IoCs

Processes:

cmd.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings cmd.exe
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3920 WINWORD.EXE
3920 WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

WerFault.exe

pid	process
1100	WerFault.exe
1100	WerFault.exe
1100	WerFault.exe
1100	WerFault.exe
1100	WerFault.exe
1100	WerFault.exe
1100	WerFault.exe
1100	WerFault.exe
1100	WerFault.exe
1100	WerFault.exe
1100	WerFault.exe
1100	WerFault.exe
1100	WerFault.exe
1100	WerFault.exe
1100	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1100 WerFault.exe
Token: SeBackupPrivilege 1100 WerFault.exe
Token: SeDebugPrivilege 1100 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1100	WerFault.exe
Token: SeBackupPrivilege	1100	WerFault.exe
Token: SeDebugPrivilege	1100	WerFault.exe

Suspicious use of SetWindowsHookEx 15 IoCs

Processes:

WINWORD.EXE

pid	process
3920	WINWORD.EXE
3920	WINWORD.EXE
3920	WINWORD.EXE
3920	WINWORD.EXE
3920	WINWORD.EXE
3920	WINWORD.EXE
3920	WINWORD.EXE
3920	WINWORD.EXE
3920	WINWORD.EXE
3920	WINWORD.EXE
3920	WINWORD.EXE
3920	WINWORD.EXE
3920	WINWORD.EXE
3920	WINWORD.EXE
3920	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

WINWORD.EXEcmd.exe

description	pid	process	target process
PID 3920 wrote to memory of 2104	3920	WINWORD.EXE	cmd.exe
PID 3920 wrote to memory of 2104	3920	WINWORD.EXE	cmd.exe
PID 2104 wrote to memory of 1816	2104	cmd.exe	mshta.exe
PID 2104 wrote to memory of 1816	2104	cmd.exe	mshta.exe
PID 2104 wrote to memory of 1816	2104	cmd.exe	mshta.exe

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\deed contract,07.21.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:3920

C:\Windows\SYSTEM32\cmd.exe
cmd /c c:\programdata\funcToProc.hta
2⤵
- Process spawned unexpected child process
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2104

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\programdata\funcToProc.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
PID:1816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1816 -s 1300
4⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1100

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

3

T1082

Query Registry

2

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\programdata\funcToProc.hta
MD5
bc4be77135061df095a403023bae0109

SHA1
2fc60dd93271d314a961e47e18b64ab28ae8d327

SHA256
dc57fcce608c4997a28a47c3ba309091a6ca6920b91ec8fa5b859c7fb94193f3

SHA512
b002a6527ba4b8d7b0616929bf4dac29341d65798c6fd2ecb45a331de0a9a5753f0cc3d64caf51e7edea1a3b0faa42998dd54abb51a5778e80d5252cb3ec9be4

Download Submit
memory/1816-232-0x0000000000000000-mapping.dmp

Download
memory/2104-192-0x0000000000000000-mapping.dmp

Download
memory/3920-117-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/3920-118-0x00007FF970480000-0x00007FF972FA3000-memory.dmp

Filesize
43.1MB

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memory/3920-119-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

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memory/3920-122-0x00007FF969780000-0x00007FF96A86E000-memory.dmp

Filesize
16.9MB

Download
memory/3920-123-0x00007FF967880000-0x00007FF969775000-memory.dmp

Filesize
31.0MB

Download
memory/3920-114-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

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memory/3920-116-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/3920-115-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/3920-343-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/3920-344-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/3920-345-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/3920-346-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads