MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca61f3fba5e6d86553e1ffe61a2ce58836065b09f6959ff3cf4e778b6ca12436. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca61f3fba5e6d86553e1ffe61a2ce58836065b09f6959ff3cf4e778b6ca12436
SHA3-384 hash: ab10dd7798efdfbc22fc3cab07a7f98490a7f1bf418d75c574aa11ccb94dd652f7280a2b299b7258348ef1ec20efbe51
SHA1 hash: 1bfd71cdb2a62431997f8658731a322869224410
MD5 hash: c89308fa5fe96fba14b9b6e3ca4c6492
humanhash: high-virginia-july-ohio
File name:Proforma invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:432'640 bytes
First seen:2020-06-02 09:21:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:zfyqMz2ZRI4wjq1rA0ozqrRksQNGLO5Frb21/ZCOZ5yy6MS4No8rGQ4U+ukkCBqX:z6f2/rAXKRQjrWD5n6V7jQ4U+mkK
Threatray 10'754 similar samples on MalwareBazaar
TLSH C8940156B3199A4FC99C1079C825B2100370EEAE2847E7C1FD8AB09D79F37E09A517B7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mx.tituae.com
Sending IP: 195.231.83.90
From: Dattaprasad Mohite<user@tituae.com>
Subject: Re:Proforma invoice /Bank Details
Attachment: Proforma invoice.zip (contains "Proforma invoice.exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-02 02:58:04 UTC
AV detection:
25 of 31 (80.65%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zjq7h65f43mgku7b77tbulhfra3amwyj62kz746pjz3yw3fbeq3a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
097dc388040d619c874beb1b1f407234ceca08b2065fce29e5084e0b9d195987
AgentTesla
34b3295ad5896150db239597b0502fb978d98f57550aabce938b9f590b4e9948
AgentTesla
460a1e3acbde201bf39a076cc672dc052368cf55343fcbc6ad2a10ffb6fb3215
AgentTesla
4c94424fc829259b782a3efc78979df11d0f768ee71aa65c2ad611efbd055e2b
AgentTesla
560994a364013c2cb5976cf4503fb3aeb23a7487f0e12468bde73ce728c3394b
AgentTesla
5ad20ca410100bf0013fb992a9e4a087e503dad2a9edcd9165f28200961134d9
AgentTesla
7ef79b0251ad78e90b1cd1e95fcdd8566ac3629d6a921a3aca8383edc8893f82
AgentTesla
9ff16ce8c4c4391af430eedc58a23ea4d004c597a7ee79790896bdff9abe7700
AgentTesla
bcfe28b074cc1d9b0fb7896ee3eb4d28c240bee33cb76578f0f9f1ef90ab92e6
AgentTesla
f8166c3c857a7a3ba99515cf6ae242a78050fba7608e24a88e2559e0063a187a
AgentTesla
+ 10'744 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-26s1ba3c5a/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
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
rezer0
AgentTesla Payload
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
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

zip f1db16d6c17a28ea34f89546b485e210d8e77bc40c2ce14b8bdd6610506e0bc2

AgentTesla

Executable exe ca61f3fba5e6d86553e1ffe61a2ce58836065b09f6959ff3cf4e778b6ca12436

(this sample)

  
Dropped by
MD5 8874f397ba40abab245aac7387b9de9d
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 f1db16d6c17a28ea34f89546b485e210d8e77bc40c2ce14b8bdd6610506e0bc2

Comments