b4b5fa35c83552d4b3e26dc27ae33ab9d78ef878ca5200da085eda54d0b08a3b

General

Target

VAT Receipt .doc
Size

16KB
MD5

8d7b1a22f116f6a8ef69e560c4861a49
SHA1

5405151eb07208e06ae3893171b940e7fbf5deae
SHA256

b4b5fa35c83552d4b3e26dc27ae33ab9d78ef878ca5200da085eda54d0b08a3b
SHA512

c93051d382546fadc0b41b8d94bb05c95fe023739b44140fb4dc91f54515751d1f46605229a0012ce65d9c6588244a6d1d7eb7ee861356d227d975288aa7a4a3
SSDEEP

96:D6qOpM9SVDXAMaMwMlU9nNe2LnPUfo1S7UXu9ryG8A15hKThSB548bc:DabDAH7zeimoIpfh4UB54l

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	632	1052	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 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 10 IoCs

Processes:

WINWORD.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-2692887925-1461227114-208522827-701879682-1366499158-707432449-790375583\DisplayName = "OICE_16_974FA576_32C1D314_3510"	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-2692887925-1461227114-208522827-701879682-1366499158-707432449-790375583\Children	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_3510	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_3510	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-2692887925-1461227114-208522827-701879682-1366499158-707432449-790375583\Children	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-2692887925-1461227114-208522827-701879682-1366499158-707432449-790375583	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-2692887925-1461227114-208522827-701879682-1366499158-707432449-790375583\Moniker = "oice_16_974fa576_32c1d314_3510"	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_3510\Children	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_3510\Children	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-2692887925-1461227114-208522827-701879682-1366499158-707432449-790375583	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1052 WINWORD.EXE
1052 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

1052 WINWORD.EXE
1052 WINWORD.EXE
1052 WINWORD.EXE
1052 WINWORD.EXE
1052 WINWORD.EXE
1052 WINWORD.EXE
1052 WINWORD.EXE
1052 WINWORD.EXE
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description pid process target process

PID 1052 wrote to memory of 632 1052 WINWORD.EXE FLTLDR.EXE
PID 1052 wrote to memory of 632 1052 WINWORD.EXE FLTLDR.EXE

pid	process
1052	WINWORD.EXE
1052	WINWORD.EXE

pid	process
1052	WINWORD.EXE
1052	WINWORD.EXE
1052	WINWORD.EXE
1052	WINWORD.EXE
1052	WINWORD.EXE
1052	WINWORD.EXE
1052	WINWORD.EXE
1052	WINWORD.EXE

description	pid	process	target process
PID 1052 wrote to memory of 632	1052	WINWORD.EXE	FLTLDR.EXE
PID 1052 wrote to memory of 632	1052	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\VAT Receipt .doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1052
- 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\GIFIMP32.FLT
  2⤵
  - Process spawned unexpected child process
  PID:632

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\Admin\AppData\Local\Temp\TCDBD71.tmp\gb.xsl

Filesize
262KB

MD5
51d32ee5bc7ab811041f799652d26e04

SHA1
412193006aa3ef19e0a57e16acf86b830993024a

SHA256
6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97

SHA512
5fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC

Filesize
16B

MD5
d29962abc88624befc0135579ae485ec

SHA1
e40a6458296ec6a2427bcb280572d023a9862b31

SHA256
a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866

SHA512
4311e87d8d5559248d4174908817a4ddc917bf7378114435cf12da8ccb7a1542c851812afbaf7dc106771bdb2e2d05f52e7d0c50d110fc7fffe4395592492c2f

Download Submit
memory/632-55-0x00007FFD9D3B0000-0x00007FFD9D3C0000-memory.dmp

Filesize
64KB

Download
memory/632-56-0x00007FFDDD330000-0x00007FFDDD525000-memory.dmp

Filesize
2.0MB

Download
memory/632-51-0x00007FFD9D3B0000-0x00007FFD9D3C0000-memory.dmp

Filesize
64KB

Download
memory/632-60-0x00007FFDDD330000-0x00007FFDDD525000-memory.dmp

Filesize
2.0MB

Download
memory/632-58-0x00007FFDDD330000-0x00007FFDDD525000-memory.dmp

Filesize
2.0MB

Download
memory/632-52-0x00007FFDDD330000-0x00007FFDDD525000-memory.dmp

Filesize
2.0MB

Download
memory/632-50-0x00007FFD9D3B0000-0x00007FFD9D3C0000-memory.dmp

Filesize
64KB

Download
memory/632-57-0x00007FFDDD330000-0x00007FFDDD525000-memory.dmp

Filesize
2.0MB

Download
memory/632-53-0x00007FFD9D3B0000-0x00007FFD9D3C0000-memory.dmp

Filesize
64KB

Download
memory/632-54-0x00007FFDDD330000-0x00007FFDDD525000-memory.dmp

Filesize
2.0MB

Download
memory/1052-66-0x00007FFDDD330000-0x00007FFDDD525000-memory.dmp

Filesize
2.0MB

Download
memory/1052-2-0x00007FFD9D3B0000-0x00007FFD9D3C0000-memory.dmp

Filesize
64KB

Download
memory/1052-1-0x00007FFDDD3CD000-0x00007FFDDD3CE000-memory.dmp

Filesize
4KB

Download
memory/1052-4-0x00007FFD9D3B0000-0x00007FFD9D3C0000-memory.dmp

Filesize
64KB

Download
memory/1052-12-0x00007FFD9B0E0000-0x00007FFD9B0F0000-memory.dmp

Filesize
64KB

Download
memory/1052-9-0x00007FFDDD330000-0x00007FFDDD525000-memory.dmp

Filesize
2.0MB

Download
memory/1052-11-0x00007FFDDD330000-0x00007FFDDD525000-memory.dmp

Filesize
2.0MB

Download
memory/1052-10-0x00007FFDDD330000-0x00007FFDDD525000-memory.dmp

Filesize
2.0MB

Download
memory/1052-8-0x00007FFDDD330000-0x00007FFDDD525000-memory.dmp

Filesize
2.0MB

Download
memory/1052-13-0x00007FFD9B0E0000-0x00007FFD9B0F0000-memory.dmp

Filesize
64KB

Download
memory/1052-7-0x00007FFD9D3B0000-0x00007FFD9D3C0000-memory.dmp

Filesize
64KB

Download
memory/1052-6-0x00007FFDDD330000-0x00007FFDDD525000-memory.dmp

Filesize
2.0MB

Download
memory/1052-5-0x00007FFDDD330000-0x00007FFDDD525000-memory.dmp

Filesize
2.0MB

Download
memory/1052-64-0x00007FFDDD330000-0x00007FFDDD525000-memory.dmp

Filesize
2.0MB

Download
memory/1052-65-0x00007FFDDD3CD000-0x00007FFDDD3CE000-memory.dmp

Filesize
4KB

Download
memory/1052-0-0x00007FFD9D3B0000-0x00007FFD9D3C0000-memory.dmp

Filesize
64KB

Download
memory/1052-67-0x00007FFDDD330000-0x00007FFDDD525000-memory.dmp

Filesize
2.0MB

Download
memory/1052-3-0x00007FFD9D3B0000-0x00007FFD9D3C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads