MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bf711744adbf1b2de0f3fb5d8abb2966018b61fa5b248de1ba6aaaac8bb681a. 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: 14


Intelligence 14 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1bf711744adbf1b2de0f3fb5d8abb2966018b61fa5b248de1ba6aaaac8bb681a
SHA3-384 hash: 4c250eec152868089c62e6a8af67aa88411f4dab286d6b13a2ea1a5f51ec5c7436fd05c0532195132f9b243ded713d5b
SHA1 hash: 74d084144d7402ad8cfc024bcaca6d073a9f032a
MD5 hash: 7532ca480d1f82a2eaa7a3d07be3bfbe
humanhash: hawaii-aspen-friend-romeo
File name:TEKLİF TALEP VE FİYAT TEKLİFİ_xlsx.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:713'728 bytes
First seen:2024-02-19 10:11:00 UTC
Last seen:2024-02-19 11:24:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:j9wSmPwRYnOELz89XMWkTVKI1lImTY0LuV6WMSUc3EzAynJrFDKMUoI3axFxYYF9:2SmP0Y74TkTV1a0LuVzMSUW+B/KaIq7
Threatray 292 similar samples on MalwareBazaar
TLSH T19FE4238412A85F9AF57E0BF4A67150610BF378563C72E69A9DC920EA8F83F40C31B757
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) (4504/4/1)
Reporter abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
306
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
1bf711744adbf1b2de0f3fb5d8abb2966018b61fa5b248de1ba6aaaac8bb681a.exe
Verdict:
Malicious activity
Analysis date:
2024-02-19 10:38:36 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/a1bd2daf-b74b-4611-862f-1bd6d8786c58

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
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1bf711744adbf1b2de0f3fb5d8abb2966018b61fa5b248de1ba6aaaac8bb681a
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/1018b2ec-8d5f-4c58-8fe2-1516254a3f12
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1394462
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1394462 Sample: TEKL#U0130F TALEP VE F#U013... Startdate: 19/02/2024 Architecture: WINDOWS Score: 100 46 cp8nl.hyperhost.ua 2->46 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 14 other signatures 2->56 8 WexFNRW.exe 5 2->8         started        11 TEKL#U0130F TALEP VE F#U0130YAT TEKL#U0130F#U0130_xlsx.exe 7 2->11         started        signatures3 process4 file5 58 Multi AV Scanner detection for dropped file 8->58 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->60 62 Machine Learning detection for dropped file 8->62 14 WexFNRW.exe 8->14         started        17 schtasks.exe 8->17         started        19 WexFNRW.exe 8->19         started        30 2 other processes 8->30 42 C:\Users\user\AppData\Roaming\WexFNRW.exe, PE32 11->42 dropped 44 C:\Users\user\AppData\Local\...\tmp7E5E.tmp, XML 11->44 dropped 64 Adds a directory exclusion to Windows Defender 11->64 66 Injects a PE file into a foreign processes 11->66 21 TEKL#U0130F TALEP VE F#U0130YAT TEKL#U0130F#U0130_xlsx.exe 2 11->21         started        24 powershell.exe 23 11->24         started        26 powershell.exe 23 11->26         started        28 schtasks.exe 1 11->28         started        signatures6 process7 dnsIp8 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->68 70 Tries to steal Mail credentials (via file / registry access) 14->70 72 Tries to harvest and steal browser information (history, passwords, etc) 14->72 32 conhost.exe 17->32         started        48 cp8nl.hyperhost.ua 185.174.175.187, 49734, 49735, 587 ITLDC-NLUA Ukraine 21->48 34 conhost.exe 24->34         started        36 WmiPrvSE.exe 24->36         started        38 conhost.exe 26->38         started        40 conhost.exe 28->40         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1bf711744adbf1b2de0f3fb5d8abb2966018b61fa5b248de1ba6aaaac8bb681a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1bf711744adbf1b2de0f3fb5d8abb2966018b61fa5b248de1ba6aaaac8bb681a/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-02-19 06:36:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dp3rc5ck3py3fxqph625rk5sszqbrnq7uwzerxq3u2vkvsf3nana._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
139f168f6e54b6acb61b3062e01619916a0a03dd987960f7a62a3f107a96f1d0
AgentTesla
1600a2b591727b5873a37ba32b54efd6b6c0adfe7389b6dff095871441d143b6
AgentTesla
1bf711744adbf1b2de0f3fb5d8abb2966018b61fa5b248de1ba6aaaac8bb681a
AgentTesla
900d537d757fdc15a522d6643dc9071294fa5b30ecdf0807fe3fcd0f9680ce40
AgentTesla
a66e4f51630922d4131baab37ffb114b872b8dc5116c9821f7407edb98035803
AgentTesla
b006cf4fd03f3e81254956c69cd58dae7f4c583c01002f0aff109a9d8e431fd1
AgentTesla
+ 282 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240219-l7zrzscb8s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Unpacked files
SH256 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
Link:
https://www.unpac.me/results/c98a5c48-4b05-4611-a3da-7f7b4fdafb1e/
SH256 hash:
e3f168675c89ef9f6462c99879a8a8b4f0f8b08ce8ab08027c79932873a874d0
MD5 hash:
5f73686394e306bc117b6f87b1c78eda
SHA1 hash:
aa8b51550774ca573d92b809b0ca129e6f2ad787
Link:
https://www.unpac.me/results/c98a5c48-4b05-4611-a3da-7f7b4fdafb1e/
SH256 hash:
06e657f27dec7d4238de33bccffe2afe0ddeb0db34b1b67c9824784dc4c2ab0b
MD5 hash:
4e889cbaa7a03d4d3c31d6ef203ad840
SHA1 hash:
7b2723a8cbfa237773b733fd59c8445ea9e3356b
Link:
https://www.unpac.me/results/c98a5c48-4b05-4611-a3da-7f7b4fdafb1e/
SH256 hash:
f3c655b7405b888e1b70fc1514624e6679d5275195124dab147d676335a14564
MD5 hash:
6a0dd0417a45366517804ad211553702
SHA1 hash:
005ed2faba3389af1df01ab5a3079b82402c8f75
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/c98a5c48-4b05-4611-a3da-7f7b4fdafb1e/
Parent samples :
e1b2bdcecafc712713647e95e0a5eb4f66c180d2fe0a357016772a85f7a0b86c
1bf711744adbf1b2de0f3fb5d8abb2966018b61fa5b248de1ba6aaaac8bb681a
bb053a3a97825365645e56cff486dd5b1e25b86a88d66264bdd4cf50a889fb85
91ff4b06f7998bb1adb5e183e8b3440a5f7fa743190f31f58ddf3fada68e51e4
ec7534a141105f0d82f8be59729135367412db7515de7b277687b5facf4d6b44
d328bc308e5ff8ee2d51cef6d963b63a8a498966bbb88a80b672ac680812051c
f769796d247965892aa708ab02692d2ca0f207f7e1c91e05098cd0684e56b29f
9aabc10562a1cf6cb564902721e28fb964f776f2e7c319252d77a3ac8f0deba2
feb0c2c55cd253b97c2c0959c69e88a7849bb33808d4ecb98d4c8da0aa7de9cd
29892da2a7bee385ddd6e192ea579f8f35f20134b2a8b5273c0ad10c93040f9a
9a405f12de1dc4e10c3515e36540aeaaabbceb7d3b4857e3d6ecba4c06cc4e8d
56a18ef03d93610834e7b53c24cb389f0f63d8296e2244a4ff1ac3328579cf2e
9ca2b5622a36e207a1d11a748f637920d4f96d88e34b2dede0840bcce07f5788
275f0215c61c0ac28c4da0e355f33fabdf5709dfc46eca4249a76f7925805030
d85a4e28a6003aaf9cf0a6c0bf3f5bee31eb82f39930f8ecec7657dd24093c49
b01f723c553f2255990656cbbfa5835293fd9489d65cd05b3d50799f063c3087
c7a296061f998ed6e86d15eb594248f1cf01f37a909c7b2553dbea7fbc805e2b
fe8740d99ceab2db3f8d780de23b7d42daa2918cfbdd7c4be197119132bdccb5
fad3e7058eb2fa88ce97e62a6a243748d6736f9c4e21e4112ed61a40813588b2
19d65215feee20f606dbdd5a4ed5196a96c6bc925df69ad26684a3221aec0521
213ce2632de1980290dd5a2835af6b5200d60bc451a9414b7904d8e30b0de305
707bbd9a748b709cca51737b3a5221c2f77090fa4af2d2bde2598d8fb08e558e
bd60848c5c86d483a65707d9c596938371a2967f18d6eb2f5c3db1140cce2ae2
48dc7a59d9890db7b030f03aba1bb5c64b401e572d4531c7956c8265e846e6fb
62601d311e6061480f42b44495215c0137dd6436e74f5744008687898b28350b
584022a11fa25bc77ada9ec361c791001f8d8da848930b386f42841d9e0be7d6
f145869f71b3a2caf5f0a6ee1b2425efa2b15b1a0344443dfcb63dcadf954534
SH256 hash:
1bf711744adbf1b2de0f3fb5d8abb2966018b61fa5b248de1ba6aaaac8bb681a
MD5 hash:
7532ca480d1f82a2eaa7a3d07be3bfbe
SHA1 hash:
74d084144d7402ad8cfc024bcaca6d073a9f032a
Link:
https://www.unpac.me/results/c98a5c48-4b05-4611-a3da-7f7b4fdafb1e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1bf711744adb/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/1bf711744adbf1b2de0f3fb5d8abb2966018b61fa5b248de1ba6aaaac8bb681a

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: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: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
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security

File information

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

Malspam

AgentTesla

Executable exe 1bf711744adbf1b2de0f3fb5d8abb2966018b61fa5b248de1ba6aaaac8bb681a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments