8aaa02cb23a65170200c0119b22ca6ca0ce242fd6f6e76282984ada900b20aa5

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26-03-2024 03:52

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General

Target

b5b41653cd99c247f775d2f0bad8f99d.exe
Size

464KB
MD5

b5b41653cd99c247f775d2f0bad8f99d
SHA1

925a6512a26daeeadda9b5b38d0f9613be25c290
SHA256

8aaa02cb23a65170200c0119b22ca6ca0ce242fd6f6e76282984ada900b20aa5
SHA512

12c5b56f1913c0bec7437cbb8cccb8097923062895040200e5ce682cbb88bf125a7c45137a469d13bea1661224ecf5189e647a823b7212cc1885302f2ab596a2
SSDEEP

6144:zRPu8zwNAZYCZrIik3tHSXnbgOdd8pgi0dLUc2gKKhT1l5b8QoPZJCvEsH5f:zJrIik3ObgGd8pgi0LlKKhT1c3zCvN9

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-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	6801.tmp

Executes dropped EXE 1 IoCs

pid	Process
2584	6801.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 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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000_Classes\Local Settings	6801.tmp

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
632	WINWORD.EXE
632	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2584	6801.tmp

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeManageVolumePrivilege	2628	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
632	WINWORD.EXE
632	WINWORD.EXE
632	WINWORD.EXE
632	WINWORD.EXE
632	WINWORD.EXE
632	WINWORD.EXE
632	WINWORD.EXE
632	WINWORD.EXE
632	WINWORD.EXE
632	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 2584	1372	b5b41653cd99c247f775d2f0bad8f99d.exe	89
PID 1372 wrote to memory of 2584	1372	b5b41653cd99c247f775d2f0bad8f99d.exe	89
PID 1372 wrote to memory of 2584	1372	b5b41653cd99c247f775d2f0bad8f99d.exe	89
PID 2584 wrote to memory of 632	2584	6801.tmp	93
PID 2584 wrote to memory of 632	2584	6801.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\b5b41653cd99c247f775d2f0bad8f99d.exe
"C:\Users\Admin\AppData\Local\Temp\b5b41653cd99c247f775d2f0bad8f99d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1372
- C:\Users\Admin\AppData\Local\Temp\6801.tmp
  "C:\Users\Admin\AppData\Local\Temp\6801.tmp" --helpC:\Users\Admin\AppData\Local\Temp\b5b41653cd99c247f775d2f0bad8f99d.exe 53C3C76015C899A4657C88A21307ADE7DFD76B98C598292587363A95F7BE3ACE68499297A94C84BF20A0A6F8B2F91BB49E8537BE5A8DAB5DF8A448F737515702
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:2584
- - 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\b5b41653cd99c247f775d2f0bad8f99d.docx" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:632

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:5008

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\6801.tmp

Filesize
464KB

MD5
22cf47808b59fa1309b5507fe8716bcc

SHA1
302b91907030a72996a0707bf9ee89eee1f39fde

SHA256
4db3aaf80b27a22ee51669cbe513fc45cca3c99804c79ec33427dc96136f61bd

SHA512
cd9adb2ddc97f787d10b2d79fa3859abeb80036f84a2781d92bf645f184a7633b232fd7da73141bf9796d57cbe4810294b669c061572215638496c6f51f187c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\b5b41653cd99c247f775d2f0bad8f99d.docx

Filesize
21KB

MD5
7079891932a64f097abafd233055a1e9

SHA1
246d95feafe67689d49a5a4cadba18d3ac1914e5

SHA256
c97189b50e5e92be09966d4732b6d61a2e435b2935d60c09989e555ae442e7a1

SHA512
6e9ee6427d7cc2474dc634b088cf3f35d06dfb734d2b63fbbc794f4083b4b5754379daff4804bf5024b1b430aa5e50fa6d839d3473ceeed3043d373c85e9862a

Download Submit
memory/632-9-0x00007FFD33C50000-0x00007FFD33C60000-memory.dmp

Filesize
64KB

Download
memory/632-11-0x00007FFD73BD0000-0x00007FFD73DC5000-memory.dmp

Filesize
2.0MB

Download
memory/632-10-0x00007FFD33C50000-0x00007FFD33C60000-memory.dmp

Filesize
64KB

Download
memory/632-13-0x00007FFD33C50000-0x00007FFD33C60000-memory.dmp

Filesize
64KB

Download
memory/632-12-0x00007FFD73BD0000-0x00007FFD73DC5000-memory.dmp

Filesize
2.0MB

Download
memory/632-15-0x00007FFD73BD0000-0x00007FFD73DC5000-memory.dmp

Filesize
2.0MB

Download
memory/632-14-0x00007FFD33C50000-0x00007FFD33C60000-memory.dmp

Filesize
64KB

Download
memory/632-17-0x00007FFD73BD0000-0x00007FFD73DC5000-memory.dmp

Filesize
2.0MB

Download
memory/632-18-0x00007FFD73BD0000-0x00007FFD73DC5000-memory.dmp

Filesize
2.0MB

Download
memory/632-16-0x00007FFD33C50000-0x00007FFD33C60000-memory.dmp

Filesize
64KB

Download
memory/632-19-0x00007FFD73BD0000-0x00007FFD73DC5000-memory.dmp

Filesize
2.0MB

Download
memory/632-20-0x00007FFD73BD0000-0x00007FFD73DC5000-memory.dmp

Filesize
2.0MB

Download
memory/632-21-0x00007FFD73BD0000-0x00007FFD73DC5000-memory.dmp

Filesize
2.0MB

Download
memory/632-22-0x00007FFD73BD0000-0x00007FFD73DC5000-memory.dmp

Filesize
2.0MB

Download
memory/632-23-0x00007FFD73BD0000-0x00007FFD73DC5000-memory.dmp

Filesize
2.0MB

Download
memory/632-24-0x00007FFD73BD0000-0x00007FFD73DC5000-memory.dmp

Filesize
2.0MB

Download
memory/632-25-0x00007FFD73BD0000-0x00007FFD73DC5000-memory.dmp

Filesize
2.0MB

Download
memory/632-26-0x00007FFD73BD0000-0x00007FFD73DC5000-memory.dmp

Filesize
2.0MB

Download
memory/632-27-0x00007FFD31390000-0x00007FFD313A0000-memory.dmp

Filesize
64KB

Download
memory/632-28-0x00007FFD31390000-0x00007FFD313A0000-memory.dmp

Filesize
64KB

Download
memory/632-41-0x00007FFD73BD0000-0x00007FFD73DC5000-memory.dmp

Filesize
2.0MB

Download
memory/2628-45-0x00000157DBB40000-0x00000157DBB50000-memory.dmp

Filesize
64KB

Download
memory/2628-61-0x00000157DBC40000-0x00000157DBC50000-memory.dmp

Filesize
64KB

Download
memory/2628-77-0x00000157E4210000-0x00000157E4211000-memory.dmp

Filesize
4KB

Download
memory/2628-78-0x00000157E4240000-0x00000157E4241000-memory.dmp

Filesize
4KB

Download
memory/2628-79-0x00000157E4240000-0x00000157E4241000-memory.dmp

Filesize
4KB

Download
memory/2628-80-0x00000157E4240000-0x00000157E4241000-memory.dmp

Filesize
4KB

Download
memory/2628-81-0x00000157E4240000-0x00000157E4241000-memory.dmp

Filesize
4KB

Download
memory/2628-82-0x00000157E4240000-0x00000157E4241000-memory.dmp

Filesize
4KB

Download
memory/2628-83-0x00000157E4240000-0x00000157E4241000-memory.dmp

Filesize
4KB

Download
memory/2628-84-0x00000157E4240000-0x00000157E4241000-memory.dmp

Filesize
4KB

Download
memory/2628-85-0x00000157E4240000-0x00000157E4241000-memory.dmp

Filesize
4KB

Download
memory/2628-86-0x00000157E4240000-0x00000157E4241000-memory.dmp

Filesize
4KB

Download
memory/2628-87-0x00000157E4240000-0x00000157E4241000-memory.dmp

Filesize
4KB

Download
memory/2628-88-0x00000157E3E60000-0x00000157E3E61000-memory.dmp

Filesize
4KB

Download
memory/2628-89-0x00000157E3E50000-0x00000157E3E51000-memory.dmp

Filesize
4KB

Download
memory/2628-91-0x00000157E3E60000-0x00000157E3E61000-memory.dmp

Filesize
4KB

Download
memory/2628-94-0x00000157E3E50000-0x00000157E3E51000-memory.dmp

Filesize
4KB

Download
memory/2628-97-0x00000157E3D90000-0x00000157E3D91000-memory.dmp

Filesize
4KB

Download
memory/2628-109-0x00000157E3F90000-0x00000157E3F91000-memory.dmp

Filesize
4KB

Download
memory/2628-111-0x00000157E3FA0000-0x00000157E3FA1000-memory.dmp

Filesize
4KB

Download
memory/2628-112-0x00000157E3FA0000-0x00000157E3FA1000-memory.dmp

Filesize
4KB

Download
memory/2628-113-0x00000157E40B0000-0x00000157E40B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads