MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e53485cd1127d2af7d09d0e7d971f92d13ac910ec1124055868107fa9738648c. 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: 13


Intelligence 13 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e53485cd1127d2af7d09d0e7d971f92d13ac910ec1124055868107fa9738648c
SHA3-384 hash: 3dddf7c77ac7928b0bd3a98cc69ee8c5e2e54955087091335ccf79da431405f7acfaf5fcbd4984c49d462c98281228e7
SHA1 hash: 2c5a07669e3f0e263b7e4eafe79241e03d2683a1
MD5 hash: a257fb9da7db9e80d787283985c8121c
humanhash: spring-enemy-undress-rugby
File name:a257fb9da7db9e80d787283985c8121c.exe
Download: download sample
Signature njrat
Create hunting rule
File size:25'908 bytes
First seen:2021-12-28 03:31:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:sv3ZIh1II98O/gcaad+AhAKCxjmUBVlzcSoZcuOSsDlnrzvM/xBAcmsw6/kgD:svpSCCgcl0LwUjlzcVaxfvM/rVwMkgD
Threatray 36 similar samples on MalwareBazaar
TLSH T194C2E122D308C6BBD5471FB197BF4211B2B2D4275EA75C06689CC992AE6B7ED0CD3350
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.142.167.54:17931

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
3.142.167.54:17931 https://threatfox.abuse.ch/ioc/288178/

Intelligence

File Origin
# of uploads :
1
# of downloads :
337
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a257fb9da7db9e80d787283985c8121c.exe
Verdict:
Malicious activity
Analysis date:
2021-12-28 03:33:32 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/2698dfd4-de48-43da-9a65-1a5d52fdda72

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/216640/
Detection(s):
Win.Packed.njRAT-7474442-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
DNS request
Enabling the 'hidden' option for recently created files
Creating a window
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
60%
Tags:
anti-vm bladabindi njrat obfuscated overlay packed packed
Link:
https://www.filescan.io/uploads/61ca85344ab5c44cbf543b1e/reports/5eaddcbc-685e-4fb6-90ae-60910505f72b/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/92394f90-4150-4e95-82f3-14903b6c17a4
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/913354
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops PE files to the startup folder
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Sigma detected: Suspicius Add Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 545832 Sample: lw5P6SpoSe.exe Startdate: 28/12/2021 Architecture: WINDOWS Score: 100 40 8.tcp.ngrok.io 2->40 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 10 other signatures 2->48 9 lw5P6SpoSe.exe 1 3 2->9         started        12 Server.exe 1 2->12         started        15 Java update.exe 1 2->15         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\windows_update.exe, MS-DOS 9->30 dropped 32 C:\Users\user\AppData\...\lw5P6SpoSe.exe.log, ASCII 9->32 dropped 17 windows_update.exe 3 4 9->17         started        58 Antivirus detection for dropped file 12->58 60 Multi AV Scanner detection for dropped file 12->60 62 Machine Learning detection for dropped file 12->62 signatures6 process7 dnsIp8 34 3.142.129.56, 17931, 49749, 49765 AMAZON-02US United States 17->34 36 8.tcp.ngrok.io 3.142.167.4, 17931, 49747, 49748 AMAZON-02US United States 17->36 38 3 other IPs or domains 17->38 26 C:\Users\user\AppData\...\Java update.exe, MS-DOS 17->26 dropped 28 C:\Users\user\AppData\Local\Temp\Server.exe, MS-DOS 17->28 dropped 50 Antivirus detection for dropped file 17->50 52 Multi AV Scanner detection for dropped file 17->52 54 Protects its processes via BreakOnTermination flag 17->54 56 3 other signatures 17->56 22 schtasks.exe 1 17->22         started        file9 signatures10 process11 process12 24 conhost.exe 22->24         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e53485cd1127d2af7d09d0e7d971f92d13ac910ec1124055868107fa9738648c/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-12-26 18:42:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
29 of 43 (67.44%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4u2iltire7jk67ij2dt5s4pzfuj2zeioyejeavmgqed7vfzymsga._file
Verdict:
malicious
Similar samples:
000ce7749e7533131305766c3858bbad54a3dcf93e227c829c828ca750a01280
njrat
1237f60be32fedd4729cc33b077a902382c15c495327cfa55650ca66642506d1
njrat
2cd29b8b5c71f0f7df5dd0bcedbb134977d9c6269861dddd65db1db203194c08
njrat
35d04737f87fbd1cb97d05dda7d795b419ddc767131034a0d00193b8f68f3330
njrat
9230d8e8791a48bcca68a199b29e0be82d17d4079bbe715953ca35a2101b6d6b
njrat
965a8d621907f2a2c04e8ca84801f448c68e133491b26d5336c851059db5b3ec
njrat
b4a3cafc8553c06b17131e6b3afb38971312a4d91ae3349d2d118bdfc3d8de94
njrat
d57a368085b26a9704093e1937aa4ebdae2e0f6b04fc09155169f139fdda2d70
njrat
e59a89138d5d7d96b4336b9323be581e35b3056180cc4fcf2844027534d5c189
njrat
e9f1d411e9f40b3050fd6bec3caf316b0986bce3f8185b6529efc6586800fd4a
njrat
+ 26 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:pc trojan
Link:
https://tria.ge/reports/211228-d3mymaddd3/
Behaviour
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops startup file
Executes dropped EXE
njRAT/Bladabindi
Malware Config
C2 Extraction:
8.tcp.ngrok.io:17931
Unpacked files
SH256 hash:
034b25ba39d0b4de12313b506acb193aa4a106f23e8a52762f717f4125c31013
MD5 hash:
a1f42a7caf20be344d14e08b42a5403b
SHA1 hash:
42b33c4fcc7933f6431f3b5020638bd342ce04d2
Link:
https://www.unpac.me/results/f181772c-819b-4e84-9ca2-092f3c7e011f/
SH256 hash:
e53485cd1127d2af7d09d0e7d971f92d13ac910ec1124055868107fa9738648c
MD5 hash:
a257fb9da7db9e80d787283985c8121c
SHA1 hash:
2c5a07669e3f0e263b7e4eafe79241e03d2683a1
Link:
https://www.unpac.me/results/f181772c-819b-4e84-9ca2-092f3c7e011f/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/e53485cd1127/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e53485cd1127d2af7d09d0e7d971f92d13ac910ec1124055868107fa9738648c

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/216640/

Comments