MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e66a6f2c8051d349a1510a246182d5771244813d38bd8c43cfb325b583895f7e. 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


AgentTesla


Vendor detections: 11


Intelligence 11 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e66a6f2c8051d349a1510a246182d5771244813d38bd8c43cfb325b583895f7e
SHA3-384 hash: 1760797bca138a1181a715f309384ae415b60580ccd620a385c82a2f998b4f5a2f13703c4bd82ca81436df57adaab402
SHA1 hash: 17c7c7d1def5aea3058ae3aa25565137a887854e
MD5 hash: 13e7a5e25e5f16d2e15e233e5a4c7cdd
humanhash: mars-november-nuts-sink
File name:e66a6f2c8051d349a1510a246182d5771244813d38bd8c43cfb325b583895f7e
Download: download sample
Signature AgentTesla
Create hunting rule
File size:927'744 bytes
First seen:2021-09-09 11:57:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:bgfe07KFML7iLMucoUe7dG1lFlWcYT70pxnnaaoaw/jKgRRA3rZNrI0AilFEvxHA:ktY4MROxnFrgH0rZlI0AilFEvxHiOw
Threatray 81 similar samples on MalwareBazaar
TLSH T19A15BF013BACBD06C1BE3778B6731AC917B8E9066052FB4F085851AD2DAFB01BD56367
Reporter JAMESWT_WT
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e66a6f2c8051d349a1510a246182d5771244813d38bd8c43cfb325b583895f7e
Verdict:
Malicious activity
Analysis date:
2021-09-09 12:34:13 UTC
Tags:
rat orcus
Link:
https://app.any.run/tasks/ed2eaea8-b1a0-4189-aada-2fac4b71ddaf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
OrcusRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/186616/
Detection(s):
Win.Packed.Passwordstealera-9803747-0
Create hunting rule

Win.Packed.Generic-9805849-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a window
Malware family:
Orcus RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2878ddc1-c25c-40ee-9a23-dd1decec59ad
Result
Threat name:
Orcus
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/848099
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to disable the Task Manager (.Net Source)
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
Protects its processes via BreakOnTermination flag
Sigma detected: Suspicious Csc.exe Source File Folder
Yara detected Costura Assembly Loader
Yara detected Orcus RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 480538 Sample: XXnaNWTo1n Startdate: 09/09/2021 Architecture: WINDOWS Score: 100 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus detection for dropped file 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 11 other signatures 2->39 7 XXnaNWTo1n.exe 20 2->7         started        process3 file4 21 C:\Program Files\Orcus\Orcus.exe, PE32 7->21 dropped 23 C:\Users\user\AppData\...\ac3pzd0-.cmdline, UTF-8 7->23 dropped 25 C:\Users\user\AppData\...\XXnaNWTo1n.exe.log, ASCII 7->25 dropped 27 2 other malicious files 7->27 dropped 10 Orcus.exe 2 7->10         started        14 csc.exe 3 7->14         started        process5 dnsIp6 31 25.34.63.249, 10134 COMCAST-7922US United Kingdom 10->31 41 Protects its processes via BreakOnTermination flag 10->41 29 C:\Users\user\AppData\Local\...\ac3pzd0-.dll, PE32 14->29 dropped 17 conhost.exe 14->17         started        19 cvtres.exe 1 14->19         started        file7 signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e66a6f2c8051d349a1510a246182d5771244813d38bd8c43cfb325b583895f7e/
Threat name:
ByteCode-MSIL.Trojan.Orcusrat
Create hunting rule
Status:
Malicious
First seen:
2021-09-07 23:16:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 23 (91.30%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4zvg6leakhjutikrbisgdawvo4jejaj5hc6yyq6pwms3la4jl57a._file
Verdict:
malicious
Similar samples:
0c3a1e4598b32bfcdf0226964c07af858c56e22c112fc4719f833738733958b8
AgentTesla
30f878c3d1b2e365f13e2085d39e3c9289dadf191c47dd1abcb273b5fac081b3
AgentTesla
3e4ef7b0224b4601e28838ec6319634315025d824c1404a2a9e114139dbdbe21
AgentTesla
4e963b9768467dcf18787fe4b197a1b9efe76a2108cdf0f73c6f81407c6dca95
AgentTesla
53ae916a34b6c3efcc82000236ebb36bb175584319211f1f6c2f612f2b0b4472
AgentTesla
78b898d8c0c3d4f01b36507c63d69892574c6c5a9e002a957721cdd703d31796
AgentTesla
862d18c8f4e84350761fcf176e144b73b90667cc64fe62f0e0b40e97f02125ae
AgentTesla
f7e7dfe0a2e59a746679694100b4549408a7e5513d3b1cf4bee0ba981f5e1703
AgentTesla
f95e19a66cb1e3a612f2c07380376196e856dfefbe1038c4e6fd7d6a03388b5d
AgentTesla
+ 71 additional samples on MalwareBazaar
Result
Malware family:
orcus
Create hunting rule
Score:
  10/10
Tags:
family:orcus
Link:
https://tria.ge/reports/210909-n471asbcdr/
Behaviour
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Drops desktop.ini file(s)
Malware Config
C2 Extraction:
25.34.63.249:10134
Unpacked files
SH256 hash:
e66a6f2c8051d349a1510a246182d5771244813d38bd8c43cfb325b583895f7e
MD5 hash:
13e7a5e25e5f16d2e15e233e5a4c7cdd
SHA1 hash:
17c7c7d1def5aea3058ae3aa25565137a887854e
Link:
https://www.unpac.me/results/c56d819d-93de-48ad-b1ce-cbbb9c4e08f4/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/e66a6f2c8051d349a1510a246182d5771244813d38bd8c43cfb325b583895f7e

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:MAL_BackNet_Nov18_1
Create hunting rule
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_BackNet_Nov18_1_RID2D6D
Create hunting rule
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:pe_imphash
Create hunting rule
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/186616/

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