MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef19393cf49f6fc5899b0fd1b29530e49f35776341b03ef6b0b0a5e0cfce3418. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef19393cf49f6fc5899b0fd1b29530e49f35776341b03ef6b0b0a5e0cfce3418
SHA3-384 hash: adc22e1c7d2f8282f2d4739f808fe859b6530bcd9eadae876fe24da120436eb84cf2a5fc6603cccff3cd866ee8425df3
SHA1 hash: e3c6c99c6680a3ef5a25e511b97dfa1d6b91b5bc
MD5 hash: bafa9bd077c451f845e0ecca1010607d
humanhash: delta-enemy-may-item
File name:AL Naser specification.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'095'680 bytes
First seen:2021-07-15 14:56:34 UTC
Last seen:2021-07-15 15:42:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:U7bg5ySm1d6vKMhNDVQpi0/hE7JDIXntNr8rC8u+VRRLEqrDmSQ8K6o3JQa5KwGl:K05ySmkhtmprYJDUnorRTLEh8KN35+
Threatray 7'010 similar samples on MalwareBazaar
TLSH T1793501213BC46B8FCB6E8CB6C8031810A3E1D5272603F3D66CE691DD568D7969B116FE
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AL Naser specification.exe
Verdict:
Malicious activity
Analysis date:
2021-07-15 15:00:09 UTC
Tags:
keylogger stealer agenttesla
Link:
https://app.any.run/tasks/497e7f29-b69b-4963-9eef-54d781f4234e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/172031/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.931.10459.23755.UNOFFICIAL
Create hunting rule

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.
Gathering data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/817006
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 449418 Sample: AL Naser specification.exe Startdate: 15/07/2021 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 7 other signatures 2->57 7 AL Naser specification.exe 7 2->7         started        10 NewApp.exe 5 2->10         started        13 NewApp.exe 2 2->13         started        process3 file4 31 C:\Users\user\AppData\Roaming\OVsjEvRP.exe, PE32 7->31 dropped 33 C:\Users\...\OVsjEvRP.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmp592C.tmp, XML 7->35 dropped 37 C:\Users\...\AL Naser specification.exe.log, ASCII 7->37 dropped 15 AL Naser specification.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        59 Multi AV Scanner detection for dropped file 10->59 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->61 63 Machine Learning detection for dropped file 10->63 65 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->65 21 schtasks.exe 1 10->21         started        23 NewApp.exe 2 10->23         started        25 NewApp.exe 10->25         started        signatures5 process6 file7 39 C:\Users\user\AppData\Roaming\...39ewApp.exe, PE32 15->39 dropped 41 C:\Users\user\...41ewApp.exe:Zone.Identifier, ASCII 15->41 dropped 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->43 45 Tries to steal Mail credentials (via file access) 15->45 47 Tries to harvest and steal ftp login credentials 15->47 49 2 other signatures 15->49 27 conhost.exe 19->27         started        29 conhost.exe 21->29         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ef19393cf49f6fc5899b0fd1b29530e49f35776341b03ef6b0b0a5e0cfce3418/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-15 14:57:08 UTC
AV detection:
20 of 46 (43.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=54mtsphut5x4lcm3b7i3ffjq4sptk53digyd55vqwcs6bt6ogqma._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
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AgentTesla
23dd123c4d9d1f03de9e4be882da193333de801c1b86f7be357e34a516d43f85
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61d4dd89bcb94b321942a0ebc30ad2319411eff15bc24ab4769fd00a20a92188
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ab0ffcb1f044952bf2d71c463e4a2858905c974b6302cab8e8b29d81fc268def
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b1601867a9da1a51e59ddfc6c1d2d4cae7190945cbc163a04400a1b2b872aee8
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ebdb5f9167c925da14a5783a022be63ac4daeeb7515692c7cd50c37a7851e7e4
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f349ed3a3e5bab8bc5694ba8885e6717c049064394682b240afe62ede7f67a9e
AgentTesla
+ 7'000 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210715-ggwm9nevx2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
82a4065578bf324c5a382d4e43510bfe37dc2d4accaa25792aecea77c7387714
MD5 hash:
ecff0ff8f308ad9a7ab4e8d8c6632f1f
SHA1 hash:
b2149cd8ad0767e9ee467d85f7f5d97494ecb07a
Link:
https://www.unpac.me/results/99b4f396-a067-4cd0-bbda-5050504cbe82/
SH256 hash:
92295d577a9175023f858f6245f6c0282e62123974b73532763973c2d3b5b011
MD5 hash:
d7f9faa93e5ae818d0b12ed48ed92b93
SHA1 hash:
8b4119d0d6bff59e67688ca9bc03b31f5a1ab38f
Link:
https://www.unpac.me/results/99b4f396-a067-4cd0-bbda-5050504cbe82/
SH256 hash:
7d19e7ab94b116c8d7fcf21cbef365c9c1f848a8a60cdf8f0b9ba97b4b5a8e3f
MD5 hash:
227f26a7b280a13ea7f3a4f324ea8dd2
SHA1 hash:
7c0d2960818a9b5e7de8370f6596e1759f062338
Link:
https://www.unpac.me/results/99b4f396-a067-4cd0-bbda-5050504cbe82/
SH256 hash:
cd78e5de7ae5ebd07667671649ea54203dbd83b9c559907fad4370d3de5dc15e
MD5 hash:
2d2efbe80b72d8e880be8c7798ab4f21
SHA1 hash:
90d1a7480cef587ea1c79ec01c3233b5e36cbb62
Link:
https://www.unpac.me/results/99b4f396-a067-4cd0-bbda-5050504cbe82/
SH256 hash:
ef19393cf49f6fc5899b0fd1b29530e49f35776341b03ef6b0b0a5e0cfce3418
MD5 hash:
bafa9bd077c451f845e0ecca1010607d
SHA1 hash:
e3c6c99c6680a3ef5a25e511b97dfa1d6b91b5bc
Link:
https://www.unpac.me/results/99b4f396-a067-4cd0-bbda-5050504cbe82/
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/ef19393cf49f6fc5899b0fd1b29530e49f35776341b03ef6b0b0a5e0cfce3418

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.

Malspam

AgentTesla

Executable exe ef19393cf49f6fc5899b0fd1b29530e49f35776341b03ef6b0b0a5e0cfce3418

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/172031/

Comments