b4fc5b365d6ccb4dc726a82c8b3f1c39ce16bf848c779706569c938d1a6855a8 | Triage

Analysis

max time kernel
101s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13-03-2024 02:15

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General

Target

malware-sample-library-master/APT28 FancyBear/APT28,NATOPAPER,SOFACY2004.exe
Size

108KB
MD5

7f564a6a8910b513a851b2616af8d7ee
SHA1

aade2da992de07c233f4d2711cb4f046984a3783
SHA256

1de6d9db409bef73e3585fc08f98b30e2757ec87830e6f84ba85c39210aa962b
SHA512

9870a3ac7cd47458aa9f0a6afd9767d19460d93c9c2f20aa5fb2fe6a2ef0e2b7361e2a83d20cd91c105af34184fe3d582b5ce4200f0bea1e780481fe7928e252
SSDEEP

1536:DAo8qqfNrkdOoXL60J8s8FGBOO80+yldyVZR/HmD8TK0VGaxkGbANv:DAo8zuFjyFG8x0+ylc7RftTVGOkv

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\SysConnect = "{44cbfc09-79e6-46a7-8c56-c3dffb8842b7}"	APT28,NATOPAPER,SOFACY2004.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	APT28,NATOPAPER,SOFACY2004.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\winmgmt.dll	APT28,NATOPAPER,SOFACY2004.exe
File created	C:\Windows\SysWOW64\sysconnect.dll	APT28,NATOPAPER,SOFACY2004.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

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

System Information Discovery

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 8 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44cbfc09-79e6-46a7-8c56-c3dffb8842b7}\InProcServer32	APT28,NATOPAPER,SOFACY2004.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44cbfc09-79e6-46a7-8c56-c3dffb8842b7}\InProcServer32\ = "C:\\Windows\\SysWow64\\sysconnect.dll"	APT28,NATOPAPER,SOFACY2004.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44cbfc09-79e6-46a7-8c56-c3dffb8842b7}\InProcServer32\ThreadingModel = "Apartment"	APT28,NATOPAPER,SOFACY2004.exe
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000_Classes\Local Settings	APT28,NATOPAPER,SOFACY2004.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{44cbfc09-79e6-46a7-8c56-c3dffb8842b7}\InProcServer32	APT28,NATOPAPER,SOFACY2004.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	APT28,NATOPAPER,SOFACY2004.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	APT28,NATOPAPER,SOFACY2004.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44cbfc09-79e6-46a7-8c56-c3dffb8842b7}	APT28,NATOPAPER,SOFACY2004.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
5068	WINWORD.EXE
5068	WINWORD.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
5068	WINWORD.EXE
5068	WINWORD.EXE
5068	WINWORD.EXE
5068	WINWORD.EXE
5068	WINWORD.EXE
5068	WINWORD.EXE
5068	WINWORD.EXE
5068	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 968 wrote to memory of 5068	968	APT28,NATOPAPER,SOFACY2004.exe	84
PID 968 wrote to memory of 5068	968	APT28,NATOPAPER,SOFACY2004.exe	84

C:\Users\Admin\AppData\Local\Temp\malware-sample-library-master\APT28 FancyBear\APT28,NATOPAPER,SOFACY2004.exe
"C:\Users\Admin\AppData\Local\Temp\malware-sample-library-master\APT28 FancyBear\APT28,NATOPAPER,SOFACY2004.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Checks computer location settings
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:968
- 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\NATO.doc" /o ""
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  PID:5068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\NATO.doc

Filesize
54KB

MD5
fd34f554ee16947045ef7aecc6d8a6ae

SHA1
8b424ff7bfdb326c73bc0231c9329e4eccc5cb1b

SHA256
e14998cd3efa380d8e042f33e08ca42934e8e04c6f346a2b560830e4ed26ebf2

SHA512
0ddb0594a5412564a6901241aa27dfd3f97e96f3b2154a5daa1874155e9877fc25dd91c18da09d0667b927481b2090278da04b334214749b6b59eb231ff27d50

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/5068-15-0x00007FFF96010000-0x00007FFF96020000-memory.dmp

Filesize
64KB

Download
memory/5068-70-0x00007FFF96010000-0x00007FFF96020000-memory.dmp

Filesize
64KB

Download
memory/5068-14-0x00007FFFD5F90000-0x00007FFFD6185000-memory.dmp

Filesize
2.0MB

Download
memory/5068-13-0x00007FFF96010000-0x00007FFF96020000-memory.dmp

Filesize
64KB

Download
memory/5068-11-0x00007FFF96010000-0x00007FFF96020000-memory.dmp

Filesize
64KB

Download
memory/5068-16-0x00007FFFD5F90000-0x00007FFFD6185000-memory.dmp

Filesize
2.0MB

Download
memory/5068-17-0x00007FFFD5F90000-0x00007FFFD6185000-memory.dmp

Filesize
2.0MB

Download
memory/5068-18-0x00007FFFD5F90000-0x00007FFFD6185000-memory.dmp

Filesize
2.0MB

Download
memory/5068-19-0x00007FFFD5F90000-0x00007FFFD6185000-memory.dmp

Filesize
2.0MB

Download
memory/5068-20-0x00007FFFD5F90000-0x00007FFFD6185000-memory.dmp

Filesize
2.0MB

Download
memory/5068-72-0x00007FFFD5F90000-0x00007FFFD6185000-memory.dmp

Filesize
2.0MB

Download
memory/5068-12-0x00007FFF96010000-0x00007FFF96020000-memory.dmp

Filesize
64KB

Download
memory/5068-24-0x00007FFF93F60000-0x00007FFF93F70000-memory.dmp

Filesize
64KB

Download
memory/5068-25-0x00007FFFD5F90000-0x00007FFFD6185000-memory.dmp

Filesize
2.0MB

Download
memory/5068-23-0x00007FFFD5F90000-0x00007FFFD6185000-memory.dmp

Filesize
2.0MB

Download
memory/5068-26-0x00007FFF93F60000-0x00007FFF93F70000-memory.dmp

Filesize
64KB

Download
memory/5068-10-0x00007FFF96010000-0x00007FFF96020000-memory.dmp

Filesize
64KB

Download
memory/5068-48-0x00007FFFD5F90000-0x00007FFFD6185000-memory.dmp

Filesize
2.0MB

Download
memory/5068-67-0x00007FFF96010000-0x00007FFF96020000-memory.dmp

Filesize
64KB

Download
memory/5068-68-0x00007FFF96010000-0x00007FFF96020000-memory.dmp

Filesize
64KB

Download
memory/5068-69-0x00007FFF96010000-0x00007FFF96020000-memory.dmp

Filesize
64KB

Download
memory/5068-22-0x00007FFFD5F90000-0x00007FFFD6185000-memory.dmp

Filesize
2.0MB

Download
memory/5068-71-0x00007FFFD5F90000-0x00007FFFD6185000-memory.dmp

Filesize
2.0MB

Download
memory/5068-21-0x00007FFFD5F90000-0x00007FFFD6185000-memory.dmp

Filesize
2.0MB

Download