6a9029349a53fc4f664ec86fe75ab618e7a76524f7dc2037d9ea0719bba311f8

General

Target

ca99d487a7ff3f5dbadb7abf5513f82d.exe
Size

462KB
MD5

ca99d487a7ff3f5dbadb7abf5513f82d
SHA1

f81f5b4520abe15f6878b656ae7adbcd08852217
SHA256

6a9029349a53fc4f664ec86fe75ab618e7a76524f7dc2037d9ea0719bba311f8
SHA512

fcef575d069015c6646c8b0f47e41eb2bd61ce303d1839096d6a04a9cac653fab56058d8c88d84d40758f06b653ed67e32887c0a25d6e78837750c72fa41e00e
SSDEEP

12288:loJe5X8bz7ZU9qqzVcztzAb1onikQsJuj:loJw8bzK9T31onmsJu

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation	7EB5.tmp

Executes dropped EXE 1 IoCs

pid	Process
3752	7EB5.tmp

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

T1012

System Information Discovery

T1082

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

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000_Classes\Local Settings	7EB5.tmp

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3124	WINWORD.EXE
3124	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3752	7EB5.tmp

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
3124	WINWORD.EXE
3124	WINWORD.EXE
3124	WINWORD.EXE
3124	WINWORD.EXE
3124	WINWORD.EXE
3124	WINWORD.EXE
3124	WINWORD.EXE
3124	WINWORD.EXE
3124	WINWORD.EXE
3124	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 3752	2012	ca99d487a7ff3f5dbadb7abf5513f82d.exe	88
PID 2012 wrote to memory of 3752	2012	ca99d487a7ff3f5dbadb7abf5513f82d.exe	88
PID 2012 wrote to memory of 3752	2012	ca99d487a7ff3f5dbadb7abf5513f82d.exe	88
PID 3752 wrote to memory of 3124	3752	7EB5.tmp	93
PID 3752 wrote to memory of 3124	3752	7EB5.tmp	93

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\ca99d487a7ff3f5dbadb7abf5513f82d.exe
"C:\Users\Admin\AppData\Local\Temp\ca99d487a7ff3f5dbadb7abf5513f82d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Users\Admin\AppData\Local\Temp\7EB5.tmp
  "C:\Users\Admin\AppData\Local\Temp\7EB5.tmp" --helpC:\Users\Admin\AppData\Local\Temp\ca99d487a7ff3f5dbadb7abf5513f82d.exe 983D82552FC5DE2FBDBCB8165226227F4FBBEADE07471EFDBBDAB308F2EE556F4E908EFB7F306CFE3BC78BB32C9A10F91927D2CB5BDE87CACC2AB7DF98A5795B
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:3752
- - 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\ca99d487a7ff3f5dbadb7abf5513f82d.docx" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:3124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

4

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\7EB5.tmp

Filesize
462KB

MD5
97dffeb85704953fcd5c8fe060ff3a74

SHA1
f802c11b0ee74efe7b9c89b5029d748aceda94f8

SHA256
3cb83c39fffcff5a10f9bb46d769f0848c7d9de3c2810f55686fafa4c0d8ce29

SHA512
5bdf83f604ea25d8e243abe631817dfac1d00552d329800c92f6e297cfea62e1f01108b235bf3bf55a6ca39fbad0e4b408a4b6ce3c141d84636df25e9e4d6f3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\ca99d487a7ff3f5dbadb7abf5513f82d.docx

Filesize
140KB

MD5
e90e498009a13ae957dcde4e01065e7d

SHA1
dcb4cc9b7d1ed3becc625597422d60aaf068a759

SHA256
ca91bbd477e2a516997c48dde3da1a5eae4cad86ca664fea54f0103739073c94

SHA512
4d0868f653e6c57d4011430ab81688f4f039550a9a0b5b1ce5ab1a695cb1dca7d7cdfb1d7c3920c35bbd3a8b441c820f00ae4e71f749650545ddd6894d597766

Download Submit
memory/3124-9-0x00007FFF1AD10000-0x00007FFF1AD20000-memory.dmp

Filesize
64KB

Download
memory/3124-10-0x00007FFF1AD10000-0x00007FFF1AD20000-memory.dmp

Filesize
64KB

Download
memory/3124-11-0x00007FFF1AD10000-0x00007FFF1AD20000-memory.dmp

Filesize
64KB

Download
memory/3124-12-0x00007FFF1AD10000-0x00007FFF1AD20000-memory.dmp

Filesize
64KB

Download
memory/3124-14-0x00007FFF5AC90000-0x00007FFF5AE85000-memory.dmp

Filesize
2.0MB

Download
memory/3124-15-0x00007FFF5AC90000-0x00007FFF5AE85000-memory.dmp

Filesize
2.0MB

Download
memory/3124-13-0x00007FFF1AD10000-0x00007FFF1AD20000-memory.dmp

Filesize
64KB

Download
memory/3124-16-0x00007FFF5AC90000-0x00007FFF5AE85000-memory.dmp

Filesize
2.0MB

Download
memory/3124-17-0x00007FFF5AC90000-0x00007FFF5AE85000-memory.dmp

Filesize
2.0MB

Download
memory/3124-18-0x00007FFF5AC90000-0x00007FFF5AE85000-memory.dmp

Filesize
2.0MB

Download
memory/3124-19-0x00007FFF5AC90000-0x00007FFF5AE85000-memory.dmp

Filesize
2.0MB

Download
memory/3124-21-0x00007FFF5AC90000-0x00007FFF5AE85000-memory.dmp

Filesize
2.0MB

Download
memory/3124-20-0x00007FFF18910000-0x00007FFF18920000-memory.dmp

Filesize
64KB

Download
memory/3124-22-0x00007FFF5AC90000-0x00007FFF5AE85000-memory.dmp

Filesize
2.0MB

Download
memory/3124-23-0x00007FFF5AC90000-0x00007FFF5AE85000-memory.dmp

Filesize
2.0MB

Download
memory/3124-24-0x00007FFF5AC90000-0x00007FFF5AE85000-memory.dmp

Filesize
2.0MB

Download
memory/3124-25-0x00007FFF5AC90000-0x00007FFF5AE85000-memory.dmp

Filesize
2.0MB

Download
memory/3124-26-0x00007FFF18910000-0x00007FFF18920000-memory.dmp

Filesize
64KB

Download
memory/3124-27-0x00007FFF5AC90000-0x00007FFF5AE85000-memory.dmp

Filesize
2.0MB

Download
memory/3124-28-0x00007FFF5AC90000-0x00007FFF5AE85000-memory.dmp

Filesize
2.0MB

Download
memory/3124-30-0x00007FFF5AC90000-0x00007FFF5AE85000-memory.dmp

Filesize
2.0MB

Download
memory/3124-29-0x00007FFF5AC90000-0x00007FFF5AE85000-memory.dmp

Filesize
2.0MB

Download
memory/3124-31-0x00007FFF5AC90000-0x00007FFF5AE85000-memory.dmp

Filesize
2.0MB

Download
memory/3124-44-0x00007FFF5AC90000-0x00007FFF5AE85000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads