MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c62c78790e9af4f08177ae16bced8501967a30658db2c46fd638e48cfbc9b56. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


njrat


Vendor detections: 8


Intelligence 8 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c62c78790e9af4f08177ae16bced8501967a30658db2c46fd638e48cfbc9b56
SHA3-384 hash: 7ae84029cb6c36d00869ccdb325d2963fcf868537b6ab39c80432b7ff9705dd3ad3d7875ce681246f08d755d0990b479
SHA1 hash: 78a7426534e99ac390835cc6866213b04233cb74
MD5 hash: 23f238aabc297d8493bb2c006f24ac17
humanhash: may-oven-delta-undress
File name:3c62c78790e9af4f08177ae16bced8501967a30658db2c46fd638e48cfbc9b56
Download: download sample
Signature njrat
Create hunting rule
File size:400'384 bytes
First seen:2020-11-13 11:02:08 UTC
Last seen:2024-07-24 13:17:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:ojZvkI/Dlh2D3AbD9hvY7Qg6mZass065NhvFKsYGRdBHMlU8LFo75:+9kI/RID2D9hvoQg6mg065Nzrt8LFg
Threatray 77 similar samples on MalwareBazaar
TLSH 6A84F13251D6BE93C7AE1DF5E16122881FB879379A20E66D7ECC00E921B675CCE40E71
Reporter madjack_red
Tags:NjRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.18281.28326.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file
Creating a file in the %temp% directory
Creating a process from a recently created file
Unauthorized injection to a recently created process
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/533760
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Changes the view of files in windows explorer (hidden files and folders)
Contains functionality to log keystrokes (.Net Source)
Contains functionality to spread to USB devices (.Net source)
Creates autostart registry keys with suspicious names
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM_3
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 315984 Sample: 6ZLwXteAhY Startdate: 13/11/2020 Architecture: WINDOWS Score: 100 54 Malicious sample detected (through community Yara rule) 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Yara detected AntiVM_3 2->58 60 9 other signatures 2->60 10 6ZLwXteAhY.exe 3 2->10         started        13 server.exe 2 2->13         started        16 server.exe 2 2->16         started        18 server.exe 2->18         started        process3 file4 50 C:\Users\user\AppData\...\6ZLwXteAhY.exe.log, ASCII 10->50 dropped 20 6ZLwXteAhY.exe 3 2 10->20         started        66 Injects a PE file into a foreign processes 13->66 23 server.exe 13->23         started        25 server.exe 13->25         started        27 server.exe 16->27         started        29 server.exe 18->29         started        signatures5 process6 file7 48 C:\Users\user\AppData\Local\Temp\server.exe, PE32 20->48 dropped 31 server.exe 3 20->31         started        process8 signatures9 68 Multi AV Scanner detection for dropped file 31->68 70 Machine Learning detection for dropped file 31->70 34 server.exe 4 2 31->34         started        38 server.exe 31->38         started        40 server.exe 31->40         started        42 server.exe 31->42         started        process10 dnsIp11 52 64.188.28.27, 5551 ASN-QUADRANET-GLOBALUS United States 34->52 62 Changes the view of files in windows explorer (hidden files and folders) 34->62 64 Creates autostart registry keys with suspicious names 34->64 44 netsh.exe 1 3 34->44         started        signatures12 process13 process14 46 conhost.exe 44->46         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3c62c78790e9af4f08177ae16bced8501967a30658db2c46fd638e48cfbc9b56/
Threat name:
ByteCode-MSIL.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-11-12 22:04:10 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hrrmpb4q5gxu6caxplqwxtwykamwpiygldnsyrx5mohert54tnla._file
Verdict:
malicious
Similar samples:
00b11363c9cd9f5e944789c5c8c8f190cb8952e572fcad351c10a0ffe4809765
njrat
0c316b6e9b1bb80efe9a27b513c7c091cd047d5bf437b88db13f8e45a40e89d6
njrat
56b3bea2f71214ea2365ccf150c11c357d4e227db44ca064959243ccc257e9bd
njrat
6798c082a4a9eb0afdf9c180dcd967c472681dea15e61d89f9762182082c232e
njrat
759edbe943ef92a9f0ba2df32b5f93c1d85d0517463f7ecf20ff2c39d1969577
njrat
879fabd244225331efd47ce153381e8c2bcf02a9b81b430e346f6395ecc9c666
njrat
b85e964144a64d78fc54b4e6bae83ba6e1c7179f0a820f361c27f58842b6940a
njrat
cd0133076bb2594d02cc1a9ef7976ce41006ebc60c7f84b64a8199b4801f2ec5
njrat
f90cf6686fcfe69bb074cf65a5b7e19c8e97b1351377faa7a2477577d4171de8
njrat
ff25936286221005b27254e316c0622a3e828791a2988c163613475263127c0f
njrat
+ 67 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/201113-rz77ztm1ae/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
Unpacked files
SH256 hash:
3c62c78790e9af4f08177ae16bced8501967a30658db2c46fd638e48cfbc9b56
MD5 hash:
23f238aabc297d8493bb2c006f24ac17
SHA1 hash:
78a7426534e99ac390835cc6866213b04233cb74
Link:
https://www.unpac.me/results/289ea4a5-92dc-4d2b-86b8-bde877bcf6b9/
SH256 hash:
cb951f1d2b5460456aad0d89cef1216d9be5e51784d11a92447d43e96177bd5e
MD5 hash:
8cd5d2014866f4ef60802ff1826998a6
SHA1 hash:
8ff75946905d0b117080cc5a07e6e0bbea4e9bbd
Link:
https://www.unpac.me/results/289ea4a5-92dc-4d2b-86b8-bde877bcf6b9/
SH256 hash:
1fcd8215ffcb1f86aee0a17bb41f93586a51139a7815f0cc5c2857aed02bab9d
MD5 hash:
0a3d5ef4bdb5ae9cea943fde10212cd8
SHA1 hash:
ae5ea521138893cddbd1dd196f36d032ba7603a0
Link:
https://www.unpac.me/results/289ea4a5-92dc-4d2b-86b8-bde877bcf6b9/
SH256 hash:
ec48170e9de44632227e5f3dbfc912bcc7510e6954c626446f9d7b36d78a0c41
MD5 hash:
d52bdb2c581465ad40f34455daf81573
SHA1 hash:
f64c82e23b772b9ceb41f8397c15963e6a728156
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/289ea4a5-92dc-4d2b-86b8-bde877bcf6b9/
Parent samples :
df91e3d8c094bb91bbc717a36ff7d42302b5f362aedde2333fac71cd42010a28
b85e964144a64d78fc54b4e6bae83ba6e1c7179f0a820f361c27f58842b6940a
81553f2de290ddf3a7dd40e0a8877781c8ac8cfb0fe5d0159a2b3ce3eda4c6f6
6e112a24130b1ef283d6966f4f84a9011fea4747e56c1884f75d449540a7c8df
3c62c78790e9af4f08177ae16bced8501967a30658db2c46fd638e48cfbc9b56
9dcd9722bae8dd0260f641d522553454b3f7fbc8df49ebb989a9257f38f42cec
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:CN_disclosed_20180208_c
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter
Description:Identify njRat

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments