MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6338bfae5441345e2ae7f134d8a18349bf1ebe26bc772a7fda83b775a3693d58. 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: 5


Intelligence 5 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6338bfae5441345e2ae7f134d8a18349bf1ebe26bc772a7fda83b775a3693d58
SHA3-384 hash: 75be174d7140dc8ff9e8bdd4ee415f584157163dc0c7a2a4d137e80abd7df3c40bf10497dc8c32fbb876446e85ada8cd
SHA1 hash: e58cf155511e6dec192b080bf41a7350867a7edf
MD5 hash: 7648af3100015c66378ec345bf023ff0
humanhash: double-robin-oregon-don
File name:gunzipped
Download: download sample
Signature AgentTesla
Create hunting rule
File size:636'928 bytes
First seen:2020-05-05 16:07:05 UTC
Last seen:2020-05-05 16:46:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ntXzu3nL3ReQuWAhSy4PssXI37SlBXxmxwch1amXpkWBh4IVVV4g8qeocxP:nZzu3LReOAgBx43uoxw+
Threatray 10'651 similar samples on MalwareBazaar
TLSH 26D46BAC761072EFC857D472DEA92C68EA60347B931F4203902725EE9E4D897DF245F2
Reporter abuse_ch
Tags:AgentTesla


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: smtp.safemail.it
Sending IP: 147.123.1.124
From: Tammo de Vries <tammo.de.vries@batenburg.nl>
Subject: Inquiry PI001827
Attachment: Inquiry - PI001827.gz (contains "gunzipped")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.CIL.HeapOverride.Heur.13552.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-05 16:35:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
27 of 31 (87.10%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mm4l7lsuie2f4kxh6e2nrimdjg7r5prgxr3su762qo3xli3jhvma._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
006449caaa797b90e1c58ff7a1a767a937e220b45f98cb9f55a0227a2a1d7f08
AgentTesla
21a78a3d5d52cb666ec339d42ea32c26d0757f60e31dfbde8e7d41786c2c72a0
AgentTesla
37f58916e43943d8dc35a2a931a7a6bfdb0a82ae3dd2f2579adefd6187a2c745
AgentTesla
47d82ba4710a3924c4c552d64568cc4e7384776ba1bbf1d84e2e9104a4e094a8
AgentTesla
8dbb450904a856d84c818235a7cf866809e5456fc1e3b535ba44cb91f85ebfd8
AgentTesla
ad7db1393e62d89dcb0039aa5ba64a897e88d3f6b76d146ccf419e952e57c317
AgentTesla
b2a303978225eae9f42504387edb087b85311f789d125edb4ead7066e7047afd
AgentTesla
bbff8963c1d1069fcc4f65429d480df9963765f29865e9b35a6cb100f8005754
AgentTesla
c0e9834e978646714b1e771103705e34e4211894fe3987d1e09bc6353827b1e0
AgentTesla
f8a23c3022866e87a2ad5327280b1ae30f970e0e196266aa01c2cee135ff74c5
AgentTesla
+ 10'641 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-eaa7mrglpn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
rezer0
AgentTesla
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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

gz 76fcb09154a62f6ac527908cab3f3c4c383cfa732ab80e9383df788ac3d35eb4

AgentTesla

Executable exe 6338bfae5441345e2ae7f134d8a18349bf1ebe26bc772a7fda83b775a3693d58

(this sample)

  
Dropped by
MD5 968f3829b3686b87b37619401f92e7d2
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 76fcb09154a62f6ac527908cab3f3c4c383cfa732ab80e9383df788ac3d35eb4

Comments