ef9ce000152d2e164a2ad8b13e427d95c8bf6570f244d837ac969c1548f41e71

General

Target

dettare-04.22.2021.doc
Size

170KB
MD5

7a505b0a54691e03015e62dc1424bae9
SHA1

c723379191e2b61e00e78e93531a78aea7a4167f
SHA256

ef9ce000152d2e164a2ad8b13e427d95c8bf6570f244d837ac969c1548f41e71
SHA512

8519d6ac872f23b45aac4f848b64a37a7b62452e3effd471466e36a9831043e7e6468c2bbf3e42111fc7f87dbab1a76341effc5b308704a0028689e9a4ecf1cb

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:

explorer.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	1588	1868	explorer.exe	WINWORD.EXE

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 2084 created 1844 2084 WerFault.exe mshta.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

1640 1844 WerFault.exe mshta.exe
2084 1844 WerFault.exe mshta.exe

description	pid	process	target process
PID 2084 created 1844	2084	WerFault.exe	mshta.exe

pid	pid_target	process	target process
1640	1844	WerFault.exe	mshta.exe
2084	1844	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 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

Modifies registry class 1 IoCs

Processes:

explorer.exe

description ioc process

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

Processes:

WINWORD.EXE

pid process

1868 WINWORD.EXE
1868 WINWORD.EXE

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

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

WerFault.exe

pid	process
1640	WerFault.exe
1640	WerFault.exe
1640	WerFault.exe
1640	WerFault.exe
1640	WerFault.exe
1640	WerFault.exe
1640	WerFault.exe
1640	WerFault.exe
1640	WerFault.exe
1640	WerFault.exe
1640	WerFault.exe
1640	WerFault.exe
1640	WerFault.exe
1640	WerFault.exe
1640	WerFault.exe
1640	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1640 WerFault.exe
Token: SeBackupPrivilege 1640 WerFault.exe
Token: SeDebugPrivilege 1640 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1640	WerFault.exe
Token: SeBackupPrivilege	1640	WerFault.exe
Token: SeDebugPrivilege	1640	WerFault.exe

Suspicious use of SetWindowsHookEx 20 IoCs

Processes:

WINWORD.EXE

pid	process
1868	WINWORD.EXE
1868	WINWORD.EXE
1868	WINWORD.EXE
1868	WINWORD.EXE
1868	WINWORD.EXE
1868	WINWORD.EXE
1868	WINWORD.EXE
1868	WINWORD.EXE
1868	WINWORD.EXE
1868	WINWORD.EXE
1868	WINWORD.EXE
1868	WINWORD.EXE
1868	WINWORD.EXE
1868	WINWORD.EXE
1868	WINWORD.EXE
1868	WINWORD.EXE
1868	WINWORD.EXE
1868	WINWORD.EXE
1868	WINWORD.EXE
1868	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

WINWORD.EXEexplorer.exe

description	pid	process	target process
PID 1868 wrote to memory of 1588	1868	WINWORD.EXE	explorer.exe
PID 1868 wrote to memory of 1588	1868	WINWORD.EXE	explorer.exe
PID 1500 wrote to memory of 1844	1500	explorer.exe	mshta.exe
PID 1500 wrote to memory of 1844	1500	explorer.exe	mshta.exe
PID 1500 wrote to memory of 1844	1500	explorer.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\dettare-04.22.2021.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:1868

C:\Windows\explorer.exe
explorer c:\users\public\documentLoadGlobal.hta
2⤵
- Process spawned unexpected child process
PID:1588

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1500

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Public\documentLoadGlobal.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
2⤵
PID:1844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 1332
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 1284
3⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
PID:2084

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Public\documentLoadGlobal.hta
MD5
337a53f22afe61a4e897c090a4a8f5ad

SHA1
068c2dffcf31338fe30afb97f2eaaf15f3fe3113

SHA256
bccce6b4e738a51573ad1567e53fc720f4d18230e19858b1c243380d1dee2f2d

SHA512
4b288d5d35fc47d6e1963b9d912e5a8d3195616dbbb93374a5b62036d55b7c9b96d9606cedc0219515cdc5557a84b90cfc15b7b69ec9da9e7e267499d1d0d08a

Download Submit
memory/1588-180-0x0000000000000000-mapping.dmp

Download
memory/1844-183-0x0000000000000000-mapping.dmp

Download
memory/1868-116-0x00007FF800890000-0x00007FF8008A0000-memory.dmp

Filesize
64KB

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memory/1868-119-0x00007FF800890000-0x00007FF8008A0000-memory.dmp

Filesize
64KB

Download
memory/1868-118-0x00007FF822580000-0x00007FF8250A3000-memory.dmp

Filesize
43.1MB

Download
memory/1868-122-0x00007FF81C2B0000-0x00007FF81D39E000-memory.dmp

Filesize
16.9MB

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memory/1868-123-0x00007FF81A3B0000-0x00007FF81C2A5000-memory.dmp

Filesize
31.0MB

Download
memory/1868-147-0x00007FF7FDBB0000-0x00007FF7FDBC0000-memory.dmp

Filesize
64KB

Download
memory/1868-114-0x00007FF800890000-0x00007FF8008A0000-memory.dmp

Filesize
64KB

Download
memory/1868-181-0x00000256AA0F0000-0x00000256AA0F4000-memory.dmp

Filesize
16KB

Download
memory/1868-117-0x00007FF800890000-0x00007FF8008A0000-memory.dmp

Filesize
64KB

Download
memory/1868-115-0x00007FF800890000-0x00007FF8008A0000-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