79a52cb25a58cf08e11b46bc743cea2df4d5097bf1c80d5ec58c1abd2015b5a8

Analysis

max time kernel
41s
max time network
48s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24/11/2024, 01:04

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General

Target

Quasar Golden Edition 1.4.1.0/Include/dotNET_Reactor.Console.exe
Size

14KB
MD5

0b4dbf61a98f3e34cdd3a1b08a6a4609
SHA1

73587f1f5d040541b230513d22d696513dbd4cf9
SHA256

e817802f166662a7df0b144571354d74b10e34d120f91ae9d84ca3ba925241c6
SHA512

7cca370890e4e245c84507623531b5f54b76ced3e8c6b87cdfc47ed16560b6a0a5cf9e0556075cd0d9266908e445b854114edd69d50870839624589676c0e688
SSDEEP

192:8jY53csvsqHwrHEdSAejbMfDn1Gp78dsKGXOdlWW1ksTkwy:8jEnskskQlm1GRJKGXOdlWW1XTR

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
3476	dotNET_Reactor.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dotNET_Reactor.exe

Modifies registry class 20 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	dotNET_Reactor.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	dotNET_Reactor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	dotNET_Reactor.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	dotNET_Reactor.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	dotNET_Reactor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	dotNET_Reactor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	dotNET_Reactor.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	dotNET_Reactor.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	dotNET_Reactor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	dotNET_Reactor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000	dotNET_Reactor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	dotNET_Reactor.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	dotNET_Reactor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	dotNET_Reactor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	dotNET_Reactor.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	dotNET_Reactor.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents"	dotNET_Reactor.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	dotNET_Reactor.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings	dotNET_Reactor.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	dotNET_Reactor.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe
3476	dotNET_Reactor.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3700 wrote to memory of 3476	3700	dotNET_Reactor.Console.exe	83
PID 3700 wrote to memory of 3476	3700	dotNET_Reactor.Console.exe	83
PID 3700 wrote to memory of 3476	3700	dotNET_Reactor.Console.exe	83

C:\Users\Admin\AppData\Local\Temp\Quasar Golden Edition 1.4.1.0\Include\dotNET_Reactor.Console.exe
"C:\Users\Admin\AppData\Local\Temp\Quasar Golden Edition 1.4.1.0\Include\dotNET_Reactor.Console.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3700
- C:\Users\Admin\AppData\Local\Temp\Quasar Golden Edition 1.4.1.0\Include\dotNET_Reactor.exe
  "C:\Users\Admin\AppData\Local\Temp\Quasar Golden Edition 1.4.1.0\Include\dotNET_Reactor.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:3476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\SkinSoft\dotNET_Reactor\x86\ssapihook.dll

Filesize
68KB

MD5
bc6887aa21e7794a2c27e3ffd3dc3ed0

SHA1
2b845941c93094d7203553582f69d0c61a9fcee4

SHA256
919130e16d33fd58d0370b06b7fb0fc253f5b571fc33ad5c21eb8dafe4760c94

SHA512
9e952ae72851ba081809ea5d7a86108b0355f0882bae912e0ecf931fde2e878994142b6c16094473305392981439e49d9a32aa6aaf94edd07238a0ecb787e834

Download Submit
memory/3476-17-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3476-23-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/3476-3-0x0000000000E50000-0x0000000001422000-memory.dmp

Filesize
5.8MB

Download
memory/3476-4-0x0000000006350000-0x00000000068F4000-memory.dmp

Filesize
5.6MB

Download
memory/3476-5-0x0000000005E40000-0x0000000005ED2000-memory.dmp

Filesize
584KB

Download
memory/3476-6-0x0000000005F50000-0x0000000005FB6000-memory.dmp

Filesize
408KB

Download
memory/3476-7-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3476-8-0x0000000006DD0000-0x0000000006DDA000-memory.dmp

Filesize
40KB

Download
memory/3476-9-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3476-10-0x000000000A270000-0x000000000A290000-memory.dmp

Filesize
128KB

Download
memory/3476-11-0x000000000A410000-0x000000000A438000-memory.dmp

Filesize
160KB

Download
memory/3476-39-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3476-16-0x0000000000010000-0x0000000000011000-memory.dmp

Filesize
4KB

Download
memory/3476-38-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3476-2-0x000000007521E000-0x000000007521F000-memory.dmp

Filesize
4KB

Download
memory/3476-20-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/3476-18-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/3476-21-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/3476-22-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/3476-19-0x0000000000040000-0x0000000000041000-memory.dmp

Filesize
4KB

Download
memory/3476-24-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/3476-25-0x000000000B040000-0x000000000B50C000-memory.dmp

Filesize
4.8MB

Download
memory/3476-31-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3476-37-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3476-35-0x000000007521E000-0x000000007521F000-memory.dmp

Filesize
4KB

Download
memory/3476-36-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3700-34-0x00007FFA1ADC3000-0x00007FFA1ADC5000-memory.dmp

Filesize
8KB

Download
memory/3700-0-0x00007FFA1ADC3000-0x00007FFA1ADC5000-memory.dmp

Filesize
8KB

Download
memory/3700-1-0x0000000000450000-0x000000000045A000-memory.dmp

Filesize
40KB

Download