2cf26e5fe9f31386d57170cc51ec46d6e4b73e4760826d65ca1a7afc8c82acc2

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-10-2024 06:41

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General

Target

Revenge-RAT v3 - NYANxCAT/Extensions/dotNET_Reactor.exe
Size

5.9MB
MD5

a7d69d6ddbe2586d698ebdf7f49c1afa
SHA1

7b87de25c982d0cc42a1dde89790cd34acbcfd2e
SHA256

79f190a51af8a463f13ddd5a76947cf7ba2adfb8e231b37c5e0968602217a62b
SHA512

2d4fb34f83d9794c38ec39f12f78b8d7c5af331aea475eaecf589f95c9e1849196a8d5252a7f9beaa596bb34ddc0c94b76a6c9092dc0fb93ec6b0af9fb66226e
SSDEEP

49152:VXl2PFBegFNFLua2gBxnnim//7rF31inFhyNkLObEECwc0mjZ5tzCo3Eh5pfO+pD:VW5nnim//7uvwCt5tuo32v

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
2240	dotNET_Reactor.exe

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

System Information Discovery
T1082

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
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg	dotNET_Reactor.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_FolderType = "{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}"	dotNET_Reactor.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	dotNET_Reactor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f4225481e03947bc34db131e946b44c8dd50000	dotNET_Reactor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	dotNET_Reactor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewVersion = "0"	dotNET_Reactor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	dotNET_Reactor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	dotNET_Reactor.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewID = "{82BA0782-5B7A-4569-B5D7-EC83085F08CC}"	dotNET_Reactor.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	dotNET_Reactor.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	dotNET_Reactor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	dotNET_Reactor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 9e0000001a00eebbfe23000010007db10d7bd29c934a973346cc89022e7c00002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020002a0000000000efbe7e47b3fbe4c93b4ba2bad3f5d3cd46f98207ba827a5b6945b5d7ec83085f08cc20002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020000000	dotNET_Reactor.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	dotNET_Reactor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	dotNET_Reactor.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	dotNET_Reactor.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	dotNET_Reactor.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_Classes\Local Settings	dotNET_Reactor.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	dotNET_Reactor.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	dotNET_Reactor.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2240	dotNET_Reactor.exe
2240	dotNET_Reactor.exe
2240	dotNET_Reactor.exe
2240	dotNET_Reactor.exe
2240	dotNET_Reactor.exe
2240	dotNET_Reactor.exe
2240	dotNET_Reactor.exe
2240	dotNET_Reactor.exe
2240	dotNET_Reactor.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2240	dotNET_Reactor.exe
2240	dotNET_Reactor.exe
2240	dotNET_Reactor.exe
2240	dotNET_Reactor.exe
2240	dotNET_Reactor.exe
2240	dotNET_Reactor.exe
2240	dotNET_Reactor.exe
2240	dotNET_Reactor.exe
2240	dotNET_Reactor.exe
2240	dotNET_Reactor.exe
2240	dotNET_Reactor.exe
2240	dotNET_Reactor.exe

C:\Users\Admin\AppData\Local\Temp\Revenge-RAT v3 - NYANxCAT\Extensions\dotNET_Reactor.exe
"C:\Users\Admin\AppData\Local\Temp\Revenge-RAT v3 - NYANxCAT\Extensions\dotNET_Reactor.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2240

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
68KB

MD5
bc6887aa21e7794a2c27e3ffd3dc3ed0

SHA1
2b845941c93094d7203553582f69d0c61a9fcee4

SHA256
919130e16d33fd58d0370b06b7fb0fc253f5b571fc33ad5c21eb8dafe4760c94

SHA512
9e952ae72851ba081809ea5d7a86108b0355f0882bae912e0ecf931fde2e878994142b6c16094473305392981439e49d9a32aa6aaf94edd07238a0ecb787e834

Download Submit
memory/2240-22-0x00000000058E0000-0x00000000058E1000-memory.dmp

Filesize
4KB

Download
memory/2240-15-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2240-24-0x0000000005BA0000-0x0000000005BA1000-memory.dmp

Filesize
4KB

Download
memory/2240-25-0x0000000005BB0000-0x0000000005BB1000-memory.dmp

Filesize
4KB

Download
memory/2240-1-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2240-20-0x00000000057C0000-0x00000000057C1000-memory.dmp

Filesize
4KB

Download
memory/2240-21-0x00000000058D0000-0x00000000058D1000-memory.dmp

Filesize
4KB

Download
memory/2240-0-0x0000000074201000-0x0000000074202000-memory.dmp

Filesize
4KB

Download
memory/2240-34-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2240-2-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2240-16-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2240-26-0x0000000005C80000-0x0000000005C81000-memory.dmp

Filesize
4KB

Download
memory/2240-27-0x00000000061B0000-0x00000000061B1000-memory.dmp

Filesize
4KB

Download
memory/2240-28-0x00000000061C0000-0x00000000061C1000-memory.dmp

Filesize
4KB

Download
memory/2240-29-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2240-32-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2240-33-0x0000000009F80000-0x0000000009F82000-memory.dmp

Filesize
8KB

Download
memory/2240-23-0x00000000058F0000-0x00000000058F1000-memory.dmp

Filesize
4KB

Download