MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2a66c29e74c2c3115c7fa7f07694dfea64957d6701c5c9b54d9b9a14abd8462. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b2a66c29e74c2c3115c7fa7f07694dfea64957d6701c5c9b54d9b9a14abd8462
SHA3-384 hash: 5e0cc3f6f3e1c02c498edd152f91c882479425dbc9b879f8f9e41bc3abcf1d883290aaeb8b210b63f7f2efb217567a55
SHA1 hash: 2a5b83e521e8013b8f16abeddd445dd00ed87a29
MD5 hash: 27498ff7caf86df0a18025bd2483a64d
humanhash: uniform-mike-sierra-mars
File name:27498ff7caf86df0a18025bd2483a64d.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:801'280 bytes
First seen:2023-10-22 08:01:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:2b5yzvbYmBHMECPkU4VnkjOcuTmXRN/jDV827xwm/QVB6OQ6/nckbw5MnDHUBseQ:EebY0eZAvnSviAxwSQL/nFyMDHG
Threatray 604 similar samples on MalwareBazaar
TLSH T1DD05234973D8D777C10843F98951A1009B3CBE12A20AEB9F5F8671EDB1B27925F16B0B
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon a4263623299b18a8 (16 x AgentTesla, 1 x Formbook)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
300
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
27498ff7caf86df0a18025bd2483a64d.exe
Verdict:
Malicious activity
Analysis date:
2023-10-22 08:14:40 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/5ba92506-9a50-4697-84f0-e25523707722

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6534d6ffe3768e7905c5d3d7/reports/2c2785c9-6c04-47aa-aacf-b45435e904d2/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b2a66c29e74c2c3115c7fa7f07694dfea64957d6701c5c9b54d9b9a14abd8462
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b7167c27-6b5e-453c-81e2-75eb4c1bd5a8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1329997
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Contains functionality to log keystrokes (.Net Source)
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
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 dnsIp2 2 Behavior Graph ID: 1329997 Sample: 4oe3H1swFl.exe Startdate: 22/10/2023 Architecture: WINDOWS Score: 100 36 discordapp.com 2->36 38 api4.ipify.org 2->38 40 api.ipify.org 2->40 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 7 other signatures 2->60 8 4oe3H1swFl.exe 3 2->8         started        11 laweFc.exe 3 2->11         started        13 laweFc.exe 2->13         started        signatures3 process4 signatures5 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->62 64 Injects a PE file into a foreign processes 8->64 15 4oe3H1swFl.exe 16 5 8->15         started        66 Multi AV Scanner detection for dropped file 11->66 68 Machine Learning detection for dropped file 11->68 20 laweFc.exe 14 2 11->20         started        22 laweFc.exe 13->22         started        24 laweFc.exe 13->24         started        process6 dnsIp7 42 api4.ipify.org 64.185.227.156, 443, 49715, 49722 WEBNXUS United States 15->42 44 discordapp.com 162.159.130.233, 443, 49717, 49724 CLOUDFLARENETUS United States 15->44 32 C:\Users\user\AppData\Roaming\...\laweFc.exe, PE32 15->32 dropped 34 C:\Users\user\...\laweFc.exe:Zone.Identifier, ASCII 15->34 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->46 48 Tries to steal Mail credentials (via file / registry access) 15->48 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->50 26 WerFault.exe 22 16 15->26         started        28 WerFault.exe 20->28         started        52 Tries to harvest and steal browser information (history, passwords, etc) 22->52 30 WerFault.exe 22->30         started        file8 signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b2a66c29e74c2c3115c7fa7f07694dfea64957d6701c5c9b54d9b9a14abd8462
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b2a66c29e74c2c3115c7fa7f07694dfea64957d6701c5c9b54d9b9a14abd8462/
Threat name:
Win32.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-10-20 14:55:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
15 of 23 (65.22%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wktgykphjqwdcfoh7j7qo2kn72tesv6woaofzg2u3g42csv5qrra._file
Verdict:
malicious
Similar samples:
0156a3553f9c3a0d318e5efec95727c2a0111f19478eeaec9a320b5c35b400bb
AgentTesla
6ca768e186aca34cce8eb9a3283f2a17a28f9b81281d464a3c80561b4fbaf066
AgentTesla
7e6b3d8f37991cef921fd8c8f0a0c48a76e437665ac60db3afe271d14de9bff5
AgentTesla
cd4f4252279410bc08ab3f37cb032a87c0c98077c4fc9981266a9964c37274a9
AgentTesla
d6bcc8a84c208a37adf4ee5c4202f1d9c436d8c77b80b092c90472f0aa05bcbf
AgentTesla
d8268bed755a9098351b3acfbfca2096882c89ae5517621d34580b4de8ee6120
AgentTesla
e6b6f23895185671a91e377fb4a48b3cd934092daf0409559e0f5c7f22949c5f
AgentTesla
fe36c4907fb678f6da358dc16c0bc9115f92a5a2fcc51d0aa8b496a4d0bd3e65
AgentTesla
+ 594 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/231022-jw468aed8s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://discordapp.com/api/webhooks/1163583965509197905/ZzAXRCqQ-ibE4oUwqs0NHv2AGzFsUnKD01ZpDXfNz05uyDGnR6CuWR8nGyVChCCCECqd
Unpacked files
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
Link:
https://www.unpac.me/results/a9ff8648-38cd-4055-8e78-a26d6745455f/
SH256 hash:
fd176165a243e915851f120a7ae83a014f5ec6a3bb3f108c94cbddd49b7c8d83
MD5 hash:
d52354b7855f5d07fc4f1f78cb80b004
SHA1 hash:
ea542266f6208a83c7b34bda37c46f36f10dab1b
Link:
https://www.unpac.me/results/a9ff8648-38cd-4055-8e78-a26d6745455f/
SH256 hash:
213c06a7952a0c612044a4513d39ca5d0c10da3bc1645e503888cc13d692a011
MD5 hash:
9a8713f83b1edfee9f9d4594aac8f4f7
SHA1 hash:
9031d56b5b48297bd470066a65843c988f95453a
Detections:
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/a9ff8648-38cd-4055-8e78-a26d6745455f/
Parent samples :
e6b6f23895185671a91e377fb4a48b3cd934092daf0409559e0f5c7f22949c5f
cd4f4252279410bc08ab3f37cb032a87c0c98077c4fc9981266a9964c37274a9
b2a66c29e74c2c3115c7fa7f07694dfea64957d6701c5c9b54d9b9a14abd8462
SH256 hash:
09ea874424830e2985968528aab5b5a9400bd6f4a6ddad023da277776df41fd1
MD5 hash:
34ea54759cfa9d025a85a5f9ec0ee06e
SHA1 hash:
0f33316e164ca5f908ea332dbda368d6baba11bf
Link:
https://www.unpac.me/results/a9ff8648-38cd-4055-8e78-a26d6745455f/
SH256 hash:
b2a66c29e74c2c3115c7fa7f07694dfea64957d6701c5c9b54d9b9a14abd8462
MD5 hash:
27498ff7caf86df0a18025bd2483a64d
SHA1 hash:
2a5b83e521e8013b8f16abeddd445dd00ed87a29
Link:
https://www.unpac.me/results/a9ff8648-38cd-4055-8e78-a26d6745455f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b2a66c29e74c2c3115c7fa7f07694dfea64957d6701c5c9b54d9b9a14abd8462

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:NET
Create hunting rule
Author:malware-lu
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.

Web download

AgentTesla

Executable exe b2a66c29e74c2c3115c7fa7f07694dfea64957d6701c5c9b54d9b9a14abd8462

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2721969/
  
Delivery method
Distributed via web download

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