52969fae09c2428c701a8b51a20c1eb07bab1bca79acb21eaa910d764533155d

General

Target

Transferencia de fondos .doc
Size

1.0MB
MD5

28463ecd87dbf6503d58e158785965ac
SHA1

12c8088fc0ac36692e9067a1e28c1ef7bf46de46
SHA256

52969fae09c2428c701a8b51a20c1eb07bab1bca79acb21eaa910d764533155d
SHA512

fa9ad0f8a0de9120e0e6439548f7c3c2c22399b06818e3baaacb0ed5306610a385c594a7c7a763509e47bcfa0aa105c9480ebd37f810b7e756eff17697051061

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:

FLTLDR.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	204	1096	FLTLDR.EXE	WINWORD.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 10 IoCs

Processes:

WINWORD.EXE

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-3822796674-1117248151-4025763645-1627447672-99015185-3115955419-2685280716\Children	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-3822796674-1117248151-4025763645-1627447672-99015185-3115955419-2685280716	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-3822796674-1117248151-4025763645-1627447672-99015185-3115955419-2685280716	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-3822796674-1117248151-4025763645-1627447672-99015185-3115955419-2685280716\Moniker = "oice_16_974fa576_32c1d314_175e"	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-3822796674-1117248151-4025763645-1627447672-99015185-3115955419-2685280716\Children	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_175e	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_175e\Children	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_175e\Children	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_175e	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-3822796674-1117248151-4025763645-1627447672-99015185-3115955419-2685280716\DisplayName = "OICE_16_974FA576_32C1D314_175E"	WINWORD.EXE

NTFS ADS 1 IoCs

Processes:

WINWORD.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{B3CFECE2-15D8-4D58-8C73-431C27AF2EB8}\abdtfhghgdghghœ.ScT:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1096 WINWORD.EXE
1096 WINWORD.EXE

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

WINWORD.EXE

pid	process
1096	WINWORD.EXE
1096	WINWORD.EXE
1096	WINWORD.EXE
1096	WINWORD.EXE
1096	WINWORD.EXE
1096	WINWORD.EXE
1096	WINWORD.EXE
1096	WINWORD.EXE
1096	WINWORD.EXE
1096	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description pid process target process

PID 1096 wrote to memory of 204 1096 WINWORD.EXE FLTLDR.EXE
PID 1096 wrote to memory of 204 1096 WINWORD.EXE FLTLDR.EXE

description	pid	process	target process
PID 1096 wrote to memory of 204	1096	WINWORD.EXE	FLTLDR.EXE
PID 1096 wrote to memory of 204	1096	WINWORD.EXE	FLTLDR.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\Transferencia de fondos .doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1096

C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE
"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE" C:\Program Files\Common Files\Microsoft Shared\GRPHFLT\PNG32.FLT
2⤵
- Process spawned unexpected child process
PID:204

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\Admin\AppData\Local\Packages\oice_16_974fa576_32c1d314_175e\AC\Temp\FL8795.tmp
MD5
c46411d27f3946fb166d8bcc4a311f41

SHA1
14b0d6c633ec6af32dfb01bbab47ea1ba27087bb

SHA256
ef4e882ce3351c1601fa41e94d5a68c0f4c74e46e59e94de28292ace6dd88041

SHA512
eb2a490718e686b34401ee4192d82b03a72ac0bcd304fa58999db5c12e8a0e1f601b706194c0ef9d49eb83ffcd6b26c2bd67d45b2a330a6bd7a8a761db2d554a

Download Submit
memory/204-359-0x0000000000000000-mapping.dmp

Download
memory/204-366-0x00007FF861870000-0x00007FF861880000-memory.dmp

Filesize
64KB

Download
memory/204-364-0x00007FF861870000-0x00007FF861880000-memory.dmp

Filesize
64KB

Download
memory/204-363-0x00007FF861870000-0x00007FF861880000-memory.dmp

Filesize
64KB

Download
memory/204-362-0x00007FF861870000-0x00007FF861880000-memory.dmp

Filesize
64KB

Download
memory/1096-117-0x00007FF861870000-0x00007FF861880000-memory.dmp

Filesize
64KB

Download
memory/1096-123-0x00007FF87B220000-0x00007FF87D115000-memory.dmp

Filesize
31.0MB

Download
memory/1096-122-0x00007FF87DDF0000-0x00007FF87EEDE000-memory.dmp

Filesize
16.9MB

Download
memory/1096-118-0x00007FF882920000-0x00007FF885443000-memory.dmp

Filesize
43.1MB

Download
memory/1096-119-0x00007FF861870000-0x00007FF861880000-memory.dmp

Filesize
64KB

Download
memory/1096-114-0x00007FF861870000-0x00007FF861880000-memory.dmp

Filesize
64KB

Download
memory/1096-116-0x00007FF861870000-0x00007FF861880000-memory.dmp

Filesize
64KB

Download
memory/1096-115-0x00007FF861870000-0x00007FF861880000-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