MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a84f11e95b767a018ebd535c055ce9dd39d0ab23bf563312092662cd8cedf00b. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a84f11e95b767a018ebd535c055ce9dd39d0ab23bf563312092662cd8cedf00b
SHA3-384 hash: 97f2c56c1e9408b5b0bf0e2b9c57c6b96e47020fc59f396b5e959c2168b24d7ff629eaf60c2f45a004aaa5c4d30efe38
SHA1 hash: c9c371e750fb7257228b96c449682413f553e676
MD5 hash: 303a76ec54eaf0642487b4d5e639ed47
humanhash: floor-fruit-oven-bravo
File name:303a76ec54eaf0642487b4d5e639ed47.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:973'312 bytes
First seen:2020-12-09 15:56:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:VpqsmUta2bc2vqJFBJQ6iH2jjtSW3Yv4wm0EMoL2W9xkDq56HD4iNcIUxU:Kuta2IzJQ6iWj8JTm0zK2WID4zC
Threatray 1'789 similar samples on MalwareBazaar
TLSH CA25AE345FA8163AF17BAB7C85B02045A7EDB7E37713D95C29BA01CA0723A41DAD1339
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.kutrsan.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO2932.xlsx
Verdict:
Malicious activity
Analysis date:
2020-12-09 12:04:02 UTC
Tags:
encrypted exploit CVE-2017-11882
Link:
https://app.any.run/tasks/d72900cb-4745-4325-84f4-02c53507c19b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/107511/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.42726.27658.14707.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
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.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/559308
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Modifies the hosts file
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 328752 Sample: C1dLZK5LHn.exe Startdate: 09/12/2020 Architecture: WINDOWS Score: 100 32 g.msn.com 2->32 62 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->62 64 Found malware configuration 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 7 other signatures 2->68 7 C1dLZK5LHn.exe 3 2->7         started        11 kprUEGC.exe 3 2->11         started        13 kprUEGC.exe 2 2->13         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\C1dLZK5LHn.exe.log, ASCII 7->30 dropped 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->70 72 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->72 15 C1dLZK5LHn.exe 17 5 7->15         started        74 Multi AV Scanner detection for dropped file 11->74 76 Machine Learning detection for dropped file 11->76 20 kprUEGC.exe 14 2 11->20         started        22 kprUEGC.exe 2 13->22         started        signatures6 process7 dnsIp8 34 smtp.kutrsan.com 15->34 42 4 other IPs or domains 15->42 24 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->24 dropped 26 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->26 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->48 50 Tries to steal Mail credentials (via file access) 15->50 52 Modifies the hosts file 15->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->54 36 smtp.kutrsan.com 20->36 44 3 other IPs or domains 20->44 38 208.91.198.143, 49751, 587 PUBLIC-DOMAIN-REGISTRYUS United States 22->38 40 smtp.kutrsan.com 22->40 46 3 other IPs or domains 22->46 28 C:\Windows\System32\drivers\etc\hosts, ASCII 22->28 dropped 56 Tries to harvest and steal ftp login credentials 22->56 58 Tries to harvest and steal browser information (history, passwords, etc) 22->58 60 Installs a global keyboard hook 22->60 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a84f11e95b767a018ebd535c055ce9dd39d0ab23bf563312092662cd8cedf00b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-09 15:47:55 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vbhrd2k3oz5addv5knoakxhj3u45bkzdx5ldgeqjezrm3dhn6afq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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1e43a9cb578534543e39c04879feed5a1d9af3f58ab4c60f306bbedcb2be1470
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50f76b94939c88cbaec0cba4f365b82c2cc6a910196b025f3fbf65b6a4c476bb
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559ac8d4a0d12e54467002c83f33cf63f01158a729ff2143b68a5ec42b8535ad
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5b6756a73d090b80c41d33d5de5ade286cfb3d5fe6a2efac8266a98c3fd0de22
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7d86419793269383d82e473f370b70e58591b514bb95801cd52587cb51a74f51
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c3aee1fdb1ad07ad47d1d99fad5c228d6116ffc2289273b30dd60ce81746e607
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d6815935b80fc0d39cceab37523c71add55b175d975fa0d42169894b551e27cd
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fc40429e1461e2cc002fdb2b131ca7eadd4f3a688a24130197667c3493213986
AgentTesla
+ 1'779 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/201209-n67xp4tnta/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
Unpacked files
SH256 hash:
a84f11e95b767a018ebd535c055ce9dd39d0ab23bf563312092662cd8cedf00b
MD5 hash:
303a76ec54eaf0642487b4d5e639ed47
SHA1 hash:
c9c371e750fb7257228b96c449682413f553e676
Link:
https://www.unpac.me/results/22036237-85dd-46fc-9301-8ba308df4058/
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
Link:
https://www.unpac.me/results/22036237-85dd-46fc-9301-8ba308df4058/
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/a84f11e95b767a018ebd535c055ce9dd39d0ab23bf563312092662cd8cedf00b

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Web download

AgentTesla

Executable exe a84f11e95b767a018ebd535c055ce9dd39d0ab23bf563312092662cd8cedf00b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/902385/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/107511/

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