MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd8e3af342b7f0902235908460b5548ff58cd80cfa44a8a3b9c4e9b1efd4a6ba. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fd8e3af342b7f0902235908460b5548ff58cd80cfa44a8a3b9c4e9b1efd4a6ba
SHA3-384 hash: 8e82c39de0fc5fa651883e98e8f995a76d042b62db6492b75c599069ed8098858e0a26f4713892faf6c7259102c5c0de
SHA1 hash: 9a7075e8a47fa9d94bf8f0e846000fae81a92e86
MD5 hash: 76e2f3bae4facebd1f286566323265b9
humanhash: dakota-august-blue-alanine
File name:RFQ.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:648'192 bytes
First seen:2021-11-11 04:39:28 UTC
Last seen:2021-11-11 07:21:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:blkLt1kTbf2Qhd856mIOzdPCMsPcUlTRGI1ePje6VXoQ1e7oKXnz61QIb:itOTbf2QadIOzdiLRRGpjTXoQoz
Threatray 12'616 similar samples on MalwareBazaar
TLSH T10ED40298B489C124E8290F79982589E51373BD36EE10F75F3AC4F36E2B333D28529657
File icon (PE):PE icon
dhash icon c49a18b4949c64d4 (6 x AgentTesla, 2 x Formbook, 1 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/204912/
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.38803.16180.11880.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/618c9ea7dec3347825a1bed7/reports/60ebd8f5-edff-42c8-b233-bd03843073f6/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9984fd40-5f6c-4fd8-a409-f5ba234894e8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/887269
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 519742 Sample: RFQ.exe Startdate: 11/11/2021 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->47 49 6 other signatures 2->49 6 RFQ.exe 3 2->6         started        10 rango.exe 3 2->10         started        12 rango.exe 2 2->12         started        process3 file4 23 C:\Users\user\AppData\Local\...\RFQ.exe.log, ASCII 6->23 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->53 14 RFQ.exe 2 9 6->14         started        55 Multi AV Scanner detection for dropped file 10->55 19 rango.exe 2 10->19         started        21 rango.exe 2 12->21         started        signatures5 process6 dnsIp7 29 208.91.199.223, 49788, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->29 31 smtp.gmlaww.com 14->31 33 us2.smtp.mailhostbox.com 208.91.199.224, 49787, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->33 25 C:\Users\user\AppData\Roaming\...\rango.exe, PE32 14->25 dropped 27 C:\Users\user\...\rango.exe:Zone.Identifier, ASCII 14->27 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Tries to steal Mail credentials (via file / registry access) 14->37 39 Tries to harvest and steal ftp login credentials 14->39 41 2 other signatures 14->41 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fd8e3af342b7f0902235908460b5548ff58cd80cfa44a8a3b9c4e9b1efd4a6ba/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-11 04:40:07 UTC
AV detection:
13 of 44 (29.55%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7whdv42cw7yjairvsccgbnkur72yzwam7jckri5zytu3d36uu25a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
16687d1c2945be78cbcabfb542520fc4f0a153b820aed024d8dd0032be6a7b0f
AgentTesla
242c16a80262da98be67addaecaf8ba16b3c8b3d7c4c841e4f3e7cb1e5f1e815
AgentTesla
6661acf762423f3241fa87250e9e8e82b270ed2c8ee891f5ca64e62c0140e6b8
AgentTesla
9222c571a4574561dcbe4b2399d0a3073c27a09f49e88167bf7fedc929f3d52c
AgentTesla
bd2b74e08fad018b100e51f29b67beb001afac1b243e73f4180d22879d86c639
AgentTesla
e5429617126423f8569960dc908ad22361cb6ecc933e00083f050f8fba7595bb
AgentTesla
f3e6dcfd4b79c28078de10a6e14385b58a69b73b79986cef7000e88501b7d3ae
AgentTesla
fab0db0c780f0c6699b1acd564580dded6fb1857c61093d732da3bde480cd655
AgentTesla
+ 12'606 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211111-faj3dafghp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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:
bd4c4912209802bb457983177d94b220d20dc9775ff973f90bd1c6afd729bc9c
MD5 hash:
8cde05c2cc918a68b075bdb2854c9994
SHA1 hash:
bc3c4e2826370171102ee8b7bd317493cd72c15f
Link:
https://www.unpac.me/results/fa4c4552-abb6-44d9-abcf-34c67525352d/
SH256 hash:
cbb8485e951ce26bb44e7d0b2cae5ec29fd75caed9a4a0a02b353624895b3aae
MD5 hash:
180a8fdd7c90256ac98920cd9ebed58b
SHA1 hash:
7dff11adc272c0e2e8e281c10a025f2690a0838e
Link:
https://www.unpac.me/results/fa4c4552-abb6-44d9-abcf-34c67525352d/
SH256 hash:
e56729c5991d57a00e7b9de45ba02283cb135e21336f47c8a053ada042f072ca
MD5 hash:
dfbb82125b24d1a1bf0f56d2aec1aa23
SHA1 hash:
44d43abef9376d7362a27d6dccb52b3d50f4270a
Link:
https://www.unpac.me/results/fa4c4552-abb6-44d9-abcf-34c67525352d/
SH256 hash:
fd8e3af342b7f0902235908460b5548ff58cd80cfa44a8a3b9c4e9b1efd4a6ba
MD5 hash:
76e2f3bae4facebd1f286566323265b9
SHA1 hash:
9a7075e8a47fa9d94bf8f0e846000fae81a92e86
Link:
https://www.unpac.me/results/fa4c4552-abb6-44d9-abcf-34c67525352d/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/fd8e3af342b7/report/overview.html
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/fd8e3af342b7f0902235908460b5548ff58cd80cfa44a8a3b9c4e9b1efd4a6ba

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: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 fd8e3af342b7f0902235908460b5548ff58cd80cfa44a8a3b9c4e9b1efd4a6ba

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/204912/

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