261db68ba8a04022ee11a91014745c952e443fa07818fe8b9319345fc4556a39

Analysis

max time kernel
30s
max time network
29s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
11/02/2024, 13:30

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General

Target

IMG-WAA-00234857845959375893759375935Fluorspar.exe
Size

827KB
MD5

09c0458a52c78df06359a84791181802
SHA1

8e5134ac5f51b07d95ead5a673cbc347ac4665ed
SHA256

261db68ba8a04022ee11a91014745c952e443fa07818fe8b9319345fc4556a39
SHA512

b80140ffc77f199f43c294d78a6d364817b73c51ba3ec6aff8d342d456124c5d53cdef605eae8a19e90679fe5b6afcd197e484968da5ed011d4f2266290f2c55
SSDEEP

24576:2oB5UqdCA5d8kZhZdyd+qqHvibHrBjrMGDy:2w15dRNrh8vMGDy

Score

7^/10

persistence

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
2192	IMG-WAA-00234857845959375893759375935Fluorspar.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Startup key = "C:\\Users\\Admin\\AppData\\Local\\Temp\\subfolder1\\Hill.exe"	wab.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
20	drive.google.com
19	drive.google.com

Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs

pid	Process
1620	wab.exe
1620	wab.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2192	IMG-WAA-00234857845959375893759375935Fluorspar.exe
1620	wab.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2192 set thread context of 1620	2192	IMG-WAA-00234857845959375893759375935Fluorspar.exe	90

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\familiebrugs.ini	IMG-WAA-00234857845959375893759375935Fluorspar.exe

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

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2192	IMG-WAA-00234857845959375893759375935Fluorspar.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1620	wab.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 1620	2192	IMG-WAA-00234857845959375893759375935Fluorspar.exe	90
PID 2192 wrote to memory of 1620	2192	IMG-WAA-00234857845959375893759375935Fluorspar.exe	90
PID 2192 wrote to memory of 1620	2192	IMG-WAA-00234857845959375893759375935Fluorspar.exe	90
PID 2192 wrote to memory of 1620	2192	IMG-WAA-00234857845959375893759375935Fluorspar.exe	90
PID 2192 wrote to memory of 1620	2192	IMG-WAA-00234857845959375893759375935Fluorspar.exe	90

C:\Users\Admin\AppData\Local\Temp\IMG-WAA-00234857845959375893759375935Fluorspar.exe
"C:\Users\Admin\AppData\Local\Temp\IMG-WAA-00234857845959375893759375935Fluorspar.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Program Files (x86)\windows mail\wab.exe
  "C:\Users\Admin\AppData\Local\Temp\IMG-WAA-00234857845959375893759375935Fluorspar.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetWindowsHookEx
  PID:1620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nst4299.tmp\System.dll

Filesize
11KB

MD5
17ed1c86bd67e78ade4712be48a7d2bd

SHA1
1cc9fe86d6d6030b4dae45ecddce5907991c01a0

SHA256
bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

SHA512
0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

Download Submit
memory/1620-33-0x0000000001FA0000-0x0000000006A5C000-memory.dmp

Filesize
74.7MB

Download
memory/1620-38-0x0000000000D40000-0x0000000001F94000-memory.dmp

Filesize
18.3MB

Download
memory/1620-17-0x0000000077178000-0x0000000077179000-memory.dmp

Filesize
4KB

Download
memory/1620-18-0x00000000770F1000-0x0000000077211000-memory.dmp

Filesize
1.1MB

Download
memory/1620-20-0x0000000000D40000-0x0000000001F94000-memory.dmp

Filesize
18.3MB

Download
memory/1620-34-0x00000000770F1000-0x0000000077211000-memory.dmp

Filesize
1.1MB

Download
memory/1620-42-0x0000000000D40000-0x0000000001F94000-memory.dmp

Filesize
18.3MB

Download
memory/1620-36-0x0000000000D40000-0x0000000001F94000-memory.dmp

Filesize
18.3MB

Download
memory/1620-35-0x0000000000D40000-0x0000000001F94000-memory.dmp

Filesize
18.3MB

Download
memory/1620-37-0x0000000000D40000-0x0000000001F94000-memory.dmp

Filesize
18.3MB

Download
memory/1620-41-0x0000000000D40000-0x0000000001F94000-memory.dmp

Filesize
18.3MB

Download
memory/1620-39-0x0000000000D40000-0x0000000001F94000-memory.dmp

Filesize
18.3MB

Download
memory/1620-40-0x0000000000D40000-0x0000000001F94000-memory.dmp

Filesize
18.3MB

Download
memory/2192-15-0x00000000770F1000-0x0000000077211000-memory.dmp

Filesize
1.1MB

Download
memory/2192-16-0x0000000010000000-0x0000000010006000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads