MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83d1fdd6869066e5137c1e6143a643be25ef6339a4e4ef470ffe7678d75d4dbf. 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 1 YARA 17 File information Comments
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SHA256 hash: 83d1fdd6869066e5137c1e6143a643be25ef6339a4e4ef470ffe7678d75d4dbf
SHA3-384 hash: 4454435802cbd14d2c9f227ffa31aa38ad989f1702731bb8a2a33154634c142a63f0e396fc6655818365f77a6fcc6f93
SHA1 hash: 30d35d936577e137738f96bea180cf966d19964d
MD5 hash: 448c39e12bbe57810e98d6628625b536
humanhash: vermont-arizona-leopard-may
File name:448C39E12BBE57810E98D6628625B536.exe
Download: download sample
Signature njrat
Create hunting rule
File size:521'216 bytes
First seen:2025-01-09 16:20:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:FmsKpkF55OHTDPnDlJmzd4vYHD1s54xhn+KyGvXK06etO:FBFXOPDlJs2vYH+Y2GvXNF
TLSH T101B4E16C7A48E803C9AA57B40971F2B917785FE9E901C3435FC9BDBFB892F664805182
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon f04dcc8c8e9696e8 (3 x Formbook, 1 x njrat, 1 x RemcosRAT)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
178.215.224.223:1985

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
178.215.224.223:1985 https://threatfox.abuse.ch/ioc/1380026/

Intelligence

File Origin
# of uploads :
1
# of downloads :
555
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
448C39E12BBE57810E98D6628625B536.exe
Verdict:
Malicious activity
Analysis date:
2025-01-09 16:21:22 UTC
Tags:
rat njrat bladabindi remote
Link:
https://app.any.run/tasks/ac0e3798-eda2-4493-b3b3-a787bc3de636

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Filerepmalware-10040931-0
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=677ff881ffdcee13ec88dfba
Tags:
autorun remcos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Creating a file in the %AppData% subdirectories
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/677ff77039d705840b928fa2/reports/f1877a8f-28bf-4c5c-a22c-234e7b080157/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/83d1fdd6869066e5137c1e6143a643be25ef6339a4e4ef470ffe7678d75d4dbf
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0deddf4a-785e-4cc7-915d-e8ff88864848
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
phis.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1586849
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Disables zone checking for all users
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1586849 Sample: mhPGrMEkjq.exe Startdate: 09/01/2025 Architecture: WINDOWS Score: 100 46 322.422.512.871 unknown unknown 2->46 50 Suricata IDS alerts for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 8 other signatures 2->56 8 mhPGrMEkjq.exe 7 2->8         started        12 sVNDJNRP.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\sVNDJNRP.exe, PE32 8->38 dropped 40 C:\Users\...\sVNDJNRP.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp6E75.tmp, XML 8->42 dropped 44 C:\Users\user\AppData\...\mhPGrMEkjq.exe.log, ASCII 8->44 dropped 58 Uses schtasks.exe or at.exe to add and modify task schedules 8->58 60 Adds a directory exclusion to Windows Defender 8->60 14 mhPGrMEkjq.exe 2 5 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 66 Injects a PE file into a foreign processes 12->66 24 schtasks.exe 12->24         started        26 sVNDJNRP.exe 12->26         started        signatures6 process7 dnsIp8 48 178.215.224.223, 1985, 49759 LVLT-10753US Germany 14->48 68 Disables zone checking for all users 14->68 70 Loading BitLocker PowerShell Module 18->70 28 WmiPrvSE.exe 18->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/83d1fdd6869066e5137c1e6143a643be25ef6339a4e4ef470ffe7678d75d4dbf
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/83d1fdd6869066e5137c1e6143a643be25ef6339a4e4ef470ffe7678d75d4dbf/
Threat name:
ByteCode-MSIL.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-01-06 13:14:00 UTC
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qpi73vugsbtoke34dzquhjsdxys66yzzutso6ryp7z3hrv25jw7q._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
error
njrat
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:skype discovery execution trojan
Link:
https://tria.ge/reports/250109-ttm52awnhj/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Command and Scripting Interpreter: PowerShell
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
178.215.224.223:1985
Verdict:
Malicious
Tags:
bladabindi njrat
YARA:
n/a
Link:
https://app.threat.zone/submission/5d019a0b-f6a1-4e51-b337-12c127b99b91
Unpacked files
SH256 hash:
5c767157d965da1cab9ca2b4f2e068ad30d9ea470511d528d4fa50461057a5a0
MD5 hash:
b759f5d11e0131fddc577229ea03cbfc
SHA1 hash:
49f2cb1cb15fc368cc7e9ba408da498ccf1496e7
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/847d5a56-1286-4ee2-b151-715dacde3123/
SH256 hash:
36e15a1666bd04e94b41868f5f37809c0f20d9c7b1d3da1a6028e7cb8b90a908
MD5 hash:
c3677aedfaa530e2451658b4555cd05c
SHA1 hash:
13105d941f663be5801005659d46c70886b30ecc
Detections:
CN_disclosed_20180208_c
Create hunting rule
Njrat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_attrib
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MALWARE_Win_NjRAT
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Link:
https://www.unpac.me/results/847d5a56-1286-4ee2-b151-715dacde3123/
SH256 hash:
5123a26b3ac69cbf4e5be515d22380ddf5ad0bec2ee8a90c1c81ba80fe5bdf67
MD5 hash:
9dfffeae142cd5f3403b148743c4f80b
SHA1 hash:
0b3c6588c8efd60e9086112900269659b63bcc82
Link:
https://www.unpac.me/results/847d5a56-1286-4ee2-b151-715dacde3123/
SH256 hash:
83d1fdd6869066e5137c1e6143a643be25ef6339a4e4ef470ffe7678d75d4dbf
MD5 hash:
448c39e12bbe57810e98d6628625b536
SHA1 hash:
30d35d936577e137738f96bea180cf966d19964d
Link:
https://www.unpac.me/results/847d5a56-1286-4ee2-b151-715dacde3123/
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/83d1fdd6869066e5137c1e6143a643be25ef6339a4e4ef470ffe7678d75d4dbf

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 (Nextron Systems)
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:CN_disclosed_20180208_c_RID2E71
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:INDICATOR_SUSPICIOUS_EXE_attrib
Create hunting rule
Author:ditekSHen
Description:Detects executables using attrib with suspicious attributes attributes
Rule name:malware_Njrat_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:MAL_njrat
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:SUSP_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule

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 (HIGH_ENTROPY_VA)high

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