153d0278268d1ba4248fcc47b93d6098c023c22ae0148e570e5f97810ae1dc4a

General

Target

180421 PDA Request for Quotation.doc
Size

295KB
MD5

dbecba4a6211aba561e0d36f9db4b1d2
SHA1

f808acedb937fcf07cd2b2c801a84cf290272b65
SHA256

153d0278268d1ba4248fcc47b93d6098c023c22ae0148e570e5f97810ae1dc4a
SHA512

a3217a7c1b41cbf262c3b31e296244abb602a5fede6b402efde3f949df65ac29fea3a316b1ef7ebd6e6c121ff0a959129b62569261a15db895500e81fe0d693e

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	3844	1808	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE

Modifies registry class 10 IoCs

Processes:

WINWORD.EXE

description	ioc	process
Key created	\Registry\User\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_2c62\Children	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1025216054-3178247574-344481072-3305640960-10633272-4138402575-2828549206\Children	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1025216054-3178247574-344481072-3305640960-10633272-4138402575-2828549206	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1025216054-3178247574-344481072-3305640960-10633272-4138402575-2828549206\DisplayName = "OICE_16_974FA576_32C1D314_2C62"	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1025216054-3178247574-344481072-3305640960-10633272-4138402575-2828549206\Children	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_2c62	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_2c62\Children	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_2c62	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1025216054-3178247574-344481072-3305640960-10633272-4138402575-2828549206	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1025216054-3178247574-344481072-3305640960-10633272-4138402575-2828549206\Moniker = "oice_16_974fa576_32c1d314_2c62"	WINWORD.EXE

NTFS ADS 1 IoCs

Processes:

WINWORD.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{4E1F7B1E-4186-4598-8437-5827C3EB5E76}\Abctfhghgdghgh‹.scT:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1808 WINWORD.EXE
1808 WINWORD.EXE

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

WINWORD.EXE

pid	process
1808	WINWORD.EXE
1808	WINWORD.EXE
1808	WINWORD.EXE
1808	WINWORD.EXE
1808	WINWORD.EXE
1808	WINWORD.EXE
1808	WINWORD.EXE
1808	WINWORD.EXE
1808	WINWORD.EXE
1808	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 1808 wrote to memory of 3844	1808	WINWORD.EXE	FLTLDR.EXE
PID 1808 wrote to memory of 3844	1808	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\180421 PDA Request for Quotation.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:1808
- 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:3844

Network

MITRE ATT&CK Enterprise v6

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\Packages\oice_16_974fa576_32c1d314_2c62\AC\Temp\FL18EC.tmp

MD5
44b1fb27359ad2f8a51e4b5fb1ef3dc2

SHA1
62bc8ab478f7a07d9b7fdb49f7c42200feae4fdc

SHA256
1281de25e5a26caa7a11bee963af177fedbab6ff3fe654dc32a00ddc286b7b4f

SHA512
74d87997c22f9984bd9a512f96dfadc35ad449487194061b7a72f00070b8317259d442e0a57f350ad19914a6f8db76fa97fb6ff552ff21518d208f33ceb5aaa3

Download Submit
memory/1808-114-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/1808-115-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/1808-116-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/1808-117-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/1808-119-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/1808-118-0x00007FF970800000-0x00007FF973323000-memory.dmp

Filesize
43.1MB

Download
memory/1808-122-0x00007FF969780000-0x00007FF96A86E000-memory.dmp

Filesize
16.9MB

Download
memory/1808-123-0x00007FF967880000-0x00007FF969775000-memory.dmp

Filesize
31.0MB

Download
memory/3844-179-0x0000000000000000-mapping.dmp

Download
memory/3844-180-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads