MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a4fc07c7377e29d097d88f0d2128233e2179f65638a9650f320e7601b205c6a. 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: 8a4fc07c7377e29d097d88f0d2128233e2179f65638a9650f320e7601b205c6a
SHA3-384 hash: ad2d565718c4313fffe6115c67fe6b677f7bdd2b4563863ca86f5e756b00dbb4fc576b18e0a89ac1a8ccc33a080e7938
SHA1 hash: 5ad95f429ea7d9094ae94e1774054f79fab47a06
MD5 hash: 71609c0815f929477f131b824d5fe249
humanhash: alanine-louisiana-cardinal-happy
File name:Shipping Doc.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:809'984 bytes
First seen:2021-05-09 08:13:32 UTC
Last seen:2021-05-09 10:05:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:b9I3horZuWT2wzGVKa5rrsWFY8bAv20wNF:xI3horYWT2wzGX8WbUv4r
Threatray 4'637 similar samples on MalwareBazaar
TLSH 4005F13627A86F51E67EB77A1570C02013F1BD05D722DA0EBDE538DF2577B808AA2742
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
151
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/153474/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.624-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/720219
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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)
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 409038 Sample: Shipping Doc.exe Startdate: 09/05/2021 Architecture: WINDOWS Score: 100 47 mail.alphaforge.net.my 2->47 49 alphaforge.net.my 2->49 59 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->59 61 Found malware configuration 2->61 63 Multi AV Scanner detection for dropped file 2->63 65 11 other signatures 2->65 8 Shipping Doc.exe 7 2->8         started        11 pGKuRU.exe 5 2->11         started        14 pGKuRU.exe 2 2->14         started        signatures3 process4 file5 35 C:\Users\user\AppData\Roaming\qrVuLs.exe, PE32 8->35 dropped 37 C:\Users\user\...\qrVuLs.exe:Zone.Identifier, ASCII 8->37 dropped 39 C:\Users\user\AppData\Local\...\tmp5111.tmp, XML 8->39 dropped 41 C:\Users\user\...\Shipping Doc.exe.log, ASCII 8->41 dropped 16 Shipping Doc.exe 2 5 8->16         started        21 schtasks.exe 1 8->21         started        67 Multi AV Scanner detection for dropped file 11->67 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->69 71 Machine Learning detection for dropped file 11->71 73 2 other signatures 11->73 23 schtasks.exe 1 11->23         started        25 pGKuRU.exe 2 11->25         started        signatures6 process7 dnsIp8 43 alphaforge.net.my 110.4.45.194, 49741, 49742, 587 EXABYTES-AS-APExaBytesNetworkSdnBhdMY Malaysia 16->43 45 mail.alphaforge.net.my 16->45 31 C:\Users\user\AppData\Roaming\...\pGKuRU.exe, PE32 16->31 dropped 33 C:\Users\user\...\pGKuRU.exe:Zone.Identifier, ASCII 16->33 dropped 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->51 53 Tries to steal Mail credentials (via file access) 16->53 55 Tries to harvest and steal ftp login credentials 16->55 57 2 other signatures 16->57 27 conhost.exe 21->27         started        29 conhost.exe 23->29         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a4fc07c7377e29d097d88f0d2128233e2179f65638a9650f320e7601b205c6a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-08 08:55:36 UTC
AV detection:
19 of 46 (41.30%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rjh4a7dto7rj2cl5rdyneeucgprbph3fmofjmuhtedtwagzalrva._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
119ea5a2268265102382111254f38977bbdc06c4fb7d51f4ad21d248596bff1a
AgentTesla
1334afcecb05895ccedf182affa83c529e1416b3ceb296bd96c558a19bcc1e15
AgentTesla
13d0171a2ef946c23d3983b5b68a19de82d0882ab580014d519095f9fe31e8c1
AgentTesla
53c1425f389198255d64a1654f9e03fc92d28ca53937f75edec2c500d9373c76
AgentTesla
5a8b5199de9f08c65f9b34eb97b375722d4c3d04e583001b6e41114b5a495770
AgentTesla
89e309b2699b6f2bbb98d3c8f5efd31b1e57961c18bd0f3f633272a5b4082b02
AgentTesla
8a116bfcbc1c440c1491513ee9efde46fe7f2e7f24fcdb3f43ee21d0917face7
AgentTesla
8deda51f5f68a5c442aef9c6538f94dc97f58f8e42fc42aa64c098b78bd70f6f
AgentTesla
dafdefb462ca60cd368d8ad769b33ff2684a59758f4ba43408b6eadd7f89faae
AgentTesla
fd1dc434508928bc6ebdb5d29de7a1530f64b5d9eb8a9a577f97db741a62a644
AgentTesla
+ 4'627 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/210509-tnvrkjdmzn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
bdf79e57b5574f9bafb56f6d0592f5ee429df7eb0ad536fbdb4f2956aae36f87
MD5 hash:
826b29e2a141b055a5491c9d7dc6eea7
SHA1 hash:
af4201362b8603bf7e4b6e2ead1cfb610dd7c0a9
Link:
https://www.unpac.me/results/ac5bb008-4253-492f-a190-868b4c4bd65c/
SH256 hash:
8a4fc07c7377e29d097d88f0d2128233e2179f65638a9650f320e7601b205c6a
MD5 hash:
71609c0815f929477f131b824d5fe249
SHA1 hash:
5ad95f429ea7d9094ae94e1774054f79fab47a06
Link:
https://www.unpac.me/results/ac5bb008-4253-492f-a190-868b4c4bd65c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8a4fc07c7377e29d097d88f0d2128233e2179f65638a9650f320e7601b205c6a

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 8a4fc07c7377e29d097d88f0d2128233e2179f65638a9650f320e7601b205c6a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/153474/

Comments