MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cec4f834904872bea22fc5be10142a10accab72e4fb882a86d91db46891caaa7. 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: 9
| SHA256 hash: | cec4f834904872bea22fc5be10142a10accab72e4fb882a86d91db46891caaa7 |
|---|---|
| SHA3-384 hash: | 336c6268952acfcf27f1fce71149348b3f77b01766f885f943dde8627fa9ea6677c1cc5db0fa2f2ff52af508a9caf9f7 |
| SHA1 hash: | 7fcd540417a05abbe213a35cc2f12fe5364e938e |
| MD5 hash: | a73a9de9cc4aa5d58a26a2ef8980dfad |
| humanhash: | spring-six-carpet-wolfram |
| File name: | a73a9de9cc4aa5d58a26a2ef8980dfad.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 573'952 bytes |
| First seen: | 2022-02-09 21:31:03 UTC |
| Last seen: | 2022-02-10 00:19:09 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:37j9OMu7i4PLoEnzk2JcvxD7i7kLN27NIDPGXnh057OK3Nd9IZIxqwJnNC4tq8ap:Lj9OZ5xzkMos7oN27NIDPGXnh057OK3s |
| Threatray | 487 similar samples on MalwareBazaar |
| TLSH | T12FC4B0583FC594D0E9390E37C6BB93102F67E970DD27CA26995A25F201FB12D7C89CA2 |
| File icon (PE): |  |
| dhash icon | 3474d4d4dcdcdcc4 (3 x Cryptbot, 3 x DanaBot, 2 x AveMariaRAT) |
| Reporter |  abuse_ch |
| Tags: | exe NjRAT RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 181.141.0.235:8050 | https://threatfox.abuse.ch/ioc/384607/ |
| 181.141.0.235:8071 | https://threatfox.abuse.ch/ioc/384608/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
312
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file
Searching for the window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Encrypted powershell cmdline option found
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: Suspicious Encoded PowerShell Command Line
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses dynamic DNS services
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-09 21:32:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
20 of 28 (71.43%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 477 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
AsyncRat
Unpacked files
SH256 hash:
9f01d9f2ed07e630ec078efa5d760762c3c8ad3b06e9e8a9062a37d63d57b026
MD5 hash:
9fbb8cec55b2115c00c0ba386c37ce62
SHA1 hash:
e2378a1c22c35e40fd1c3e19066de4e33b50f24a
SH256 hash:
09f3021597a5defb8d69cdd043bd7dbdf12f3eee83708f4863c1db45eda83af1
MD5 hash:
ddb78076991bbc03769cb7ba9a92fb74
SHA1 hash:
4f71ebca285fd203f563a187ab9a60aac16c16c2
Detections:
win_asyncrat_w0
SH256 hash:
8c30982e65218d122ce891d9087db39f49924baf9ea05bce87498458ad15c703
MD5 hash:
b83707bbf302e7319a6cda6bbf04cb73
SHA1 hash:
433a54ddbc555b5391ce571f46d3e90d9a4ce70a
SH256 hash:
cec4f834904872bea22fc5be10142a10accab72e4fb882a86d91db46891caaa7
MD5 hash:
a73a9de9cc4aa5d58a26a2ef8980dfad
SHA1 hash:
7fcd540417a05abbe213a35cc2f12fe5364e938e
Verdict:
Malicious
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: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Typical_Malware_String_Transforms |
|---|---|
| Author: | Florian Roth |
| Description: | Detects typical strings in a reversed or otherwise modified form |
| Reference: | Internal Research |
| Rule name: | Typical_Malware_String_Transforms_RID3473 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects typical strings in a reversed or otherwise modified form |
| Reference: | Internal Research |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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