MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23d9487f480403a4441c00198ae2b8598b5f293ceff6f6b3d97e2d82a438ce9a. 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: 23d9487f480403a4441c00198ae2b8598b5f293ceff6f6b3d97e2d82a438ce9a
SHA3-384 hash: bd534380a1914f890b7b712e70d2ef36315f38d6f3cf5b04e4c60a715b144a230b365550edf1273f96d3df14c4b8f367
SHA1 hash: e02071e8166308f12462f3f7e17e514893c1a922
MD5 hash: 76d7e47a080f18644c4938e9d17abfe6
humanhash: chicken-six-nitrogen-saturn
File name:Petrofac Sdn Bhd invitation to bid.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:508'928 bytes
First seen:2020-05-15 07:31:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:geGob1be1/jivGwFgI0v/kt51WYOeBBCUFDt6bQ60DtpKWEomNdP:Sg6dq2IkstaYxBBVDsbQRwomX
Threatray 10'827 similar samples on MalwareBazaar
TLSH EFB4D07E36BC4E33CD7C49F608A1218047F069DA6D4BE2CE8CD165EB1AD1BA1079A4D7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

From: "Aidan Liew" <aidanliew.87@petrofac.com>
Reply-To: "Aidan Liew" <aidanliew87.petrofac@mail.com>
Subject: Petrofac RFQ:793846 - PETRONAS’ Refinery and Petrochemicals Integrated Development (RAPID) project
Attachment: Petrofac Sdn Bhd invitation to bid.rar (contains "Petrofac Sdn Bhd invitation to bid.exe")

AgentTesla SMTP exfil server:
mail.alvadiwipa.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
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:
2020-05-15 06:27:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
24 of 31 (77.42%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=epmuq72iaqb2ira4aamyvyvylgfv6kj4573pnm6zpywyfjbyz2na._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
003821b2e5b59f6688fe51752164c575ef41e230d206a13c365067c5bbd02000
AgentTesla
26d84a58245ef7c47ef69c0b8a1d378ad6c8a3d8d154d2358ed0b16230082420
AgentTesla
35152f9a35078ee786e1a61e6015feb490d60952c0e8423bfb5261bf6a183ba0
AgentTesla
56b6d84da3da3801cb073bd798fa233d40ab867308f1ce634f65597c413838e2
AgentTesla
5d100d55c4d2acf92f6f690e546c5a0e7ad6750520809a3f226783d99623aed7
AgentTesla
74285ed900ac5548390bc2363829bfa2e90b2bbb41efc947449a3b4b6a695f9f
AgentTesla
79707deb89afd6a88eaf63af7065b7e30d0508126cf6c8664d01a924dd60e4a5
AgentTesla
8efa8505066ee4c366657eb07b866e7493dffd71a6c4626c811dd25e15b45828
AgentTesla
ea027d907975381eaff6b9b98a14f303ad9f9d74b454dd55b9bd3b24b3b5baa1
AgentTesla
f8b881049eff27232d360fb3a623e75ff7504b4da918cbd6666c917ddb38ef73
AgentTesla
+ 10'817 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201109-bmbq165hzn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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

rar a3627aba9337c20cd753ccd24a241e82d2ff375709a3412525abd56f7dbc9fdd

AgentTesla

Executable exe 23d9487f480403a4441c00198ae2b8598b5f293ceff6f6b3d97e2d82a438ce9a

(this sample)

  
Dropped by
MD5 2e470dc99f14e1117ba1878b8f082568
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 a3627aba9337c20cd753ccd24a241e82d2ff375709a3412525abd56f7dbc9fdd

Comments