MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a7b9292097894feaec9c1416998c7a622100688c40a76daf8d5d20c937b4aa1. 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: 18


Intelligence 18 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7a7b9292097894feaec9c1416998c7a622100688c40a76daf8d5d20c937b4aa1
SHA3-384 hash: 2ae83d8fffd38f6a16757b65d2591025c4f542c4bfee1ba3e586915bd36b08acbe597aa2e45260daf29224a8847dab90
SHA1 hash: b092748201cac68c805adc2dc985af679b481650
MD5 hash: 76049ae85226e49aebf49d8a905bf1f2
humanhash: bravo-lemon-thirteen-virginia
File name:iaCASDYFM2KY8M4.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:672'256 bytes
First seen:2023-10-24 06:09:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:0zfqBu1abiPnY6qQ3BZx7ToDVEsqzabjQS2mmNvq7SAPBDi+JTSXqvfxbXkv:0T6riC+1T8EsjjNAvqbO+Jjvf1X2
Threatray 528 similar samples on MalwareBazaar
TLSH T16FE4231A23ACD3DEDA2183FC0623D258DBF270167735DBAE0C0568C70A9BB585685F67
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter cocaman
Tags:AgentTesla exe INVOICE

Intelligence

File Origin
# of uploads :
1
# of downloads :
344
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
iaCASDYFM2KY8M4.exe
Verdict:
Malicious activity
Analysis date:
2023-10-24 06:27:27 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/e7f6b2e0-7a3f-407f-b135-f26211a8b8a1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/455884/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.DownLoaderNET.710.26017.27384.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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65375f80e3768e7905c8e4b3/reports/77f95f87-fe2d-4a77-9b42-d65a8e5f9969/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/7a7b9292097894feaec9c1416998c7a622100688c40a76daf8d5d20c937b4aa1
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/4dc8849c-a18d-4145-9c39-4f902887d151
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1331061
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1331061 Sample: iaCASDYFM2KY8M4.exe Startdate: 24/10/2023 Architecture: WINDOWS Score: 100 27 mail.wirtschaftsinkaso.com 2->27 29 api4.ipify.org 2->29 31 api.ipify.org 2->31 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 8 other signatures 2->51 7 iaCASDYFM2KY8M4.exe 3 2->7         started        10 BsrzRc.exe 3 2->10         started        12 BsrzRc.exe 2 2->12         started        signatures3 process4 signatures5 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->53 55 Injects a PE file into a foreign processes 7->55 14 iaCASDYFM2KY8M4.exe 16 5 7->14         started        57 Antivirus detection for dropped file 10->57 59 Multi AV Scanner detection for dropped file 10->59 61 Machine Learning detection for dropped file 10->61 19 BsrzRc.exe 14 2 10->19         started        21 BsrzRc.exe 12->21         started        process6 dnsIp7 33 mail.wirtschaftsinkaso.com 107.174.247.115, 49716, 49719, 49724 AS-COLOCROSSINGUS United States 14->33 35 api4.ipify.org 104.237.62.212, 443, 49714, 49722 WEBNXUS United States 14->35 23 C:\Users\user\AppData\Roaming\...\BsrzRc.exe, PE32 14->23 dropped 25 C:\Users\user\...\BsrzRc.exe:Zone.Identifier, ASCII 14->25 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Tries to steal Mail credentials (via file / registry access) 14->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->41 43 Tries to harvest and steal browser information (history, passwords, etc) 21->43 file8 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7a7b9292097894feaec9c1416998c7a622100688c40a76daf8d5d20c937b4aa1
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7a7b9292097894feaec9c1416998c7a622100688c40a76daf8d5d20c937b4aa1/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-10-16 07:58:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pj5zfeqjpckp5lwjyfawtgghuyrbabuiyqfhnwxy2xjaze33jkqq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0261bba1b146e0ab0e7fc470b2734574039afc12f98e57cb16d7d08056e969cb
AgentTesla
054d89ca9ed8719813396ac26e56020e06b5bb009d8225efb5cafe9ed3147e9a
AgentTesla
44af16d96fc65cae46f919ca9a465a90a984db05a5c6f60a9d7f8217d75a44e1
AgentTesla
763db148488de0ecda28ac3d55147a0dc7b092a64e915bff98529b0185668e03
AgentTesla
7a9e4659261f4a3c4744f60dfdb170ebc705756a6b921621c24d85c4a2876318
AgentTesla
bdaeb27128a9d6dbcd93b0844d57e6de8a03ec3b53b1380f41523ec35ad6af18
AgentTesla
bdfabc2afce989e2dab48f9f8d04db605b9c29802fa95fe559f6cb9898da39e2
AgentTesla
dfb9b3c7cf15baa877da2d2c87e1e53761517094bab2de1a6b92ebca122fa858
AgentTesla
e41ce47cf174f8b3f909756c90495e990b4f5550da4bd7e1a6b5ba50ba0ba9e9
AgentTesla
+ 518 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/231024-gwfshsch66/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
Unpacked files
SH256 hash:
e3c961a31b10ee0dfec76e7124f208c90845a7acc96881c345a208225fa8e740
MD5 hash:
4764bccce8828ccb2184b69bae4fbcdd
SHA1 hash:
8e44e09da73b66236e6436879924d0f7524ffd39
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/21d36a8b-0802-46fc-b3e6-69d42f4d3649/
Parent samples :
954ae52d71114f4e45fb12c0045bc4440822b855c3c2b4c5b685823709729e3b
fe2b7ad78d722728b8dbb2749996b8f4b8ba4cd03c7664f6a8a08612ead20a0a
7a7b9292097894feaec9c1416998c7a622100688c40a76daf8d5d20c937b4aa1
82b8389f2cf0a78fb0e4b981c3c5c344953576e96a9e27d315acc8e46236362e
a393a7c0bcd606e0e4441cf58d1dab63b57e6cedb02fcc72a0a78d273e2b29b5
13c93beafbb88535f718681736278285e35230910368b9b89cc49b21f7bd459e
760618ef240dc6cf3e8ea6bcdbcb7b905321ac9419502e8291f5f22a65843157
SH256 hash:
13ec2b533ef63c076fdedc06a2e2062384d71e5331164dc0bd7b026e044a3beb
MD5 hash:
ebbafa39b5dad6d34bd76dd794e2f505
SHA1 hash:
8ce20c4c30f2e9153fed2a2f00be6dfbf6f6b57a
Link:
https://www.unpac.me/results/21d36a8b-0802-46fc-b3e6-69d42f4d3649/
SH256 hash:
be4b62dde8ea819da76e898b0e64a7858be2e5f598233ed0d5474e0996db52b1
MD5 hash:
9aa83a0233f21419a96f5a1201adb4aa
SHA1 hash:
7fa0fe91070505550da96f11698259749ba824db
Link:
https://www.unpac.me/results/21d36a8b-0802-46fc-b3e6-69d42f4d3649/
SH256 hash:
7d220dc67c0675e0a54a4903cae2359b190b2c8c5a6f5bba98c9c35301a63fa1
MD5 hash:
c21328cc53ea5b080e9666942e11179a
SHA1 hash:
7f0860712882fdfa6bc72225dd6384ded141038c
Link:
https://www.unpac.me/results/21d36a8b-0802-46fc-b3e6-69d42f4d3649/
SH256 hash:
7a7b9292097894feaec9c1416998c7a622100688c40a76daf8d5d20c937b4aa1
MD5 hash:
76049ae85226e49aebf49d8a905bf1f2
SHA1 hash:
b092748201cac68c805adc2dc985af679b481650
Link:
https://www.unpac.me/results/21d36a8b-0802-46fc-b3e6-69d42f4d3649/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7a7b92920978/report/overview.html
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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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.

Malspam

AgentTesla

rar 13adbc5c76ac9119796832b9b16818fcf63d83974edbf92cd4456c43a9468d85

AgentTesla

Executable exe 7a7b9292097894feaec9c1416998c7a622100688c40a76daf8d5d20c937b4aa1

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 13adbc5c76ac9119796832b9b16818fcf63d83974edbf92cd4456c43a9468d85
Cape
Cape
https://www.capesandbox.com/analysis/455884/
  
Dropped by
MD5 7a26525eff1f55723b5f9fec015b965f

Comments