8f02443e60bace0a38ca66a09f628b5a5cb06e7ecc69011ed27b879f4eaa11c9

General

Target

THIRD PO.doc
Size

1.0MB
MD5

4126a02a7c1813d85e7aebae88257220
SHA1

c84b7d02f15e5edd969f5815433321d2beb3784f
SHA256

8f02443e60bace0a38ca66a09f628b5a5cb06e7ecc69011ed27b879f4eaa11c9
SHA512

8bc6529b39dc2ff046551d1f176e51d0830cce92dab0bd41ce30d7021bf1711114ce97ade4336298106b3325811467f3655a17466add7319a9d013cde9e5ef42

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	2212	992	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
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-2238439077-3766418471-1585708318-3853924178-2734569322-3054827533-4170098999\Moniker = "oice_16_974fa576_32c1d314_193f"	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-2238439077-3766418471-1585708318-3853924178-2734569322-3054827533-4170098999\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_193f\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-1-15-2-2238439077-3766418471-1585708318-3853924178-2734569322-3054827533-4170098999	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-1-15-2-2238439077-3766418471-1585708318-3853924178-2734569322-3054827533-4170098999\DisplayName = "OICE_16_974FA576_32C1D314_193F"	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_193f	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_193f\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_193f	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-2238439077-3766418471-1585708318-3853924178-2734569322-3054827533-4170098999\Children	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-2238439077-3766418471-1585708318-3853924178-2734569322-3054827533-4170098999	WINWORD.EXE

NTFS ADS 1 IoCs

Processes:

WINWORD.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{5A144D45-E180-4356-8629-149DF3F17942}\abdtfhghgdghghœ.ScT:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

992 WINWORD.EXE
992 WINWORD.EXE

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

WINWORD.EXE

pid	process
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description pid process target process

PID 992 wrote to memory of 2212 992 WINWORD.EXE FLTLDR.EXE
PID 992 wrote to memory of 2212 992 WINWORD.EXE FLTLDR.EXE

description	pid	process	target process
PID 992 wrote to memory of 2212	992	WINWORD.EXE	FLTLDR.EXE
PID 992 wrote to memory of 2212	992	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\THIRD PO.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:992

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:2212

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_193f\AC\Temp\FLA3C7.tmp
MD5
6c99923ee2b83c75a36e36ba04faa728

SHA1
46512ef0e23061d690d92bc8ca60c261c103cb4f

SHA256
a5979b17b84233bf14a1e5ed5c76bf6b9f3e1f6ff31022a5f0b118238fe31d6f

SHA512
6e45fbcc2aa05478f95f00d19bd5b64868d16d5be397779a5f2ee7e5aa9545fdcc315339ba13a2caf7c75b44d7af282a68a3678a439f69515072f29925ee815b

Download Submit
memory/992-122-0x00007FFED0020000-0x00007FFED110E000-memory.dmp

Filesize
16.9MB

Download
memory/992-116-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

Filesize
64KB

Download
memory/992-117-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

Filesize
64KB

Download
memory/992-119-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

Filesize
64KB

Download
memory/992-118-0x00007FFED4910000-0x00007FFED7433000-memory.dmp

Filesize
43.1MB

Download
memory/992-114-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

Filesize
64KB

Download
memory/992-123-0x00007FFECD690000-0x00007FFECF585000-memory.dmp

Filesize
31.0MB

Download
memory/992-115-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

Filesize
64KB

Download
memory/2212-360-0x0000000000000000-mapping.dmp

Download
memory/2212-362-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

Filesize
64KB

Download
memory/2212-363-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

Filesize
64KB

Download
memory/2212-364-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

Filesize
64KB

Download
memory/2212-366-0x00007FFEB3A10000-0x00007FFEB3A20000-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