MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 512eae984c0fd479fdcd2f73253fc52adeed18d104dff390b5b9563b3ca8dff5. 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: 18


Intelligence 18 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 512eae984c0fd479fdcd2f73253fc52adeed18d104dff390b5b9563b3ca8dff5
SHA3-384 hash: 4c3534c9d1e4d19e8143211752ce6e1518582fd8962907098a51bfa55b39fa599466b0acaa6f29d4f272901a3b926c72
SHA1 hash: 13e4ef288407cee06c4819ce6d3dde27e8535334
MD5 hash: 08e2246fa2d8e30547f8c42acb82c305
humanhash: oregon-network-fanta-three
File name:08e2246fa2d8e30547f8c42acb82c305.exe
Download: download sample
Signature njrat
Create hunting rule
File size:3'224'576 bytes
First seen:2024-04-28 18:10:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 49152:p7cguPcJ1auqGqomYaXuRq/BxxjAoV4sROsaChi39Q5kr0gNf5dpDrYN:NplJhqQ4ueB8UQSw9Q5K3nYN
Threatray 672 similar samples on MalwareBazaar
TLSH T132E5332C579D5843E2F562FFD2E0B6841B712ABA6A97EF5624800ADA0C373D35D413B3
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
45.133.174.75:8795

Intelligence

File Origin
# of uploads :
1
# of downloads :
436
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
512eae984c0fd479fdcd2f73253fc52adeed18d104dff390b5b9563b3ca8dff5.exe
Verdict:
Malicious activity
Analysis date:
2024-04-28 18:11:19 UTC
Tags:
rat asyncrat remote
Link:
https://app.any.run/tasks/238ad1c5-b86a-402e-a4b4-ded275eb80cf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Restart of the analyzed sample
Creating a process with a hidden window
Creating a file
Сreating synchronization primitives
Running batch commands
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed smartassembly
Link:
https://www.filescan.io/uploads/662e913754bafb7d21e44813/reports/4148a731-7a5c-4a28-92de-02a75d500b69/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/512eae984c0fd479fdcd2f73253fc52adeed18d104dff390b5b9563b3ca8dff5
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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/253c2d9a-b17c-4e63-a011-ce808f0a8dee
Result
Threat name:
AsyncRAT, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1432997
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1432997 Sample: tqfn0gJpLM.exe Startdate: 28/04/2024 Architecture: WINDOWS Score: 100 40 aysmasterpro.duckdns.org 2->40 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 52 11 other signatures 2->52 10 tqfn0gJpLM.exe 1 2->10         started        13 system.exe 2->13         started        signatures3 50 Uses dynamic DNS services 40->50 process4 signatures5 56 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->56 15 tqfn0gJpLM.exe 6 10->15         started        58 Antivirus detection for dropped file 13->58 60 Multi AV Scanner detection for dropped file 13->60 62 Machine Learning detection for dropped file 13->62 18 system.exe 13->18         started        process6 file7 38 C:\Users\user\AppData\Roaming\system.exe, PE32 15->38 dropped 20 cmd.exe 1 15->20         started        23 cmd.exe 1 15->23         started        process8 signatures9 54 Uses schtasks.exe or at.exe to add and modify task schedules 20->54 25 conhost.exe 20->25         started        27 schtasks.exe 1 20->27         started        29 system.exe 1 23->29         started        31 conhost.exe 23->31         started        33 timeout.exe 1 23->33         started        process10 process11 35 system.exe 2 29->35         started        dnsIp12 42 aysmasterpro.duckdns.org 45.133.174.75, 49708, 8795 ASBLANKPROXIESGB United Kingdom 35->42
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/512eae984c0fd479fdcd2f73253fc52adeed18d104dff390b5b9563b3ca8dff5
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/512eae984c0fd479fdcd2f73253fc52adeed18d104dff390b5b9563b3ca8dff5/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-04-25 18:20:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kexk5gcmb7kht7onf5zskp6fflpo2ggratp7hefvxfldwpfi372q._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
40c251a8afb49d3b567a370e67ca7861a4cc2008c7deef39c3739284c1b7e3e8
njrat
512eae984c0fd479fdcd2f73253fc52adeed18d104dff390b5b9563b3ca8dff5
njrat
519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86
njrat
8b8d68a47897fc7f8612ad932aec65de7e5523d2ed7619dadb686f1c1adeab80
njrat
9750ea020ecbe7b151fa88641dfb902ef27810bc0d7f0ee0d5c023ef2b7cd2f5
njrat
a69420b181a6704cdf507e6ba6f725060fc4eca42794aca6a3719af43bc33560
njrat
bd464c108d2022979662b515c494dabaf7f528c31b2da3e75d83ba24171600d0
njrat
c0b6adfcdd28e92ed598fe851e647c6f12bb7ea6c50592e16864898143eae76e
njrat
c448c3fd35d789c717da82822c562c0209519eab2cf88c54c65b768ee3933fa4
njrat
+ 662 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:zgrat botnet:default rat
Link:
https://tria.ge/reports/240428-wsla6add82/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
AsyncRat
Detect ZGRat V1
ZGRat
Malware Config
C2 Extraction:
aysmasterpro.duckdns.org:8795
Unpacked files
SH256 hash:
9554d716b8cf2ce7e304a86f9d782d156dff5ecf5e0258b34e772e0c0b8fdbb1
MD5 hash:
3c424f982f62b34abc1b8caa21386515
SHA1 hash:
eb8f5237d2222868d97e239071a025dca7a581ad
Link:
https://www.unpac.me/results/a41261e3-4756-4eba-9e47-1117564e10b1/
SH256 hash:
6c13765999cf3ccb72787b5d24f0dc8a6bcf5765e4b6fc476c603bdfa43ea898
MD5 hash:
76691a3cad978caede2fda26280748e3
SHA1 hash:
a67a8d5932928b179b2ef3d2ef68338a2458a272
Link:
https://www.unpac.me/results/a41261e3-4756-4eba-9e47-1117564e10b1/
SH256 hash:
512eae984c0fd479fdcd2f73253fc52adeed18d104dff390b5b9563b3ca8dff5
MD5 hash:
08e2246fa2d8e30547f8c42acb82c305
SHA1 hash:
13e4ef288407cee06c4819ce6d3dde27e8535334
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/a41261e3-4756-4eba-9e47-1117564e10b1/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/512eae984c0f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/512eae984c0fd479fdcd2f73253fc52adeed18d104dff390b5b9563b3ca8dff5

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:maldoc_OLE_file_magic_number
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
Create hunting rule
Author:malware-lu
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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments