MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bb37c4a8ca150af99b3fe174a280a662ffd923fa6e9a96c62289ebdcf6617b4. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1bb37c4a8ca150af99b3fe174a280a662ffd923fa6e9a96c62289ebdcf6617b4
SHA3-384 hash: e063e3b892ab4cc54838cf811442d7b6fa5f2bd8c5eae8e20248d11cefcb4cd3442b447704cf55af8f82985396e4fc84
SHA1 hash: 51560d32d4718901b76bd7a95f51e9f274266cf1
MD5 hash: 14e8d4e29329affc9dcad215edbf9ef2
humanhash: four-sodium-william-india
File name:SWIFT ADVISE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:564'224 bytes
First seen:2021-10-21 12:28:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:LsqIbw8eGHRAwXYOAsMG8tlkK4zFAqvqJFTP:Lgbw8eGDYTGWl34z9q
Threatray 12'180 similar samples on MalwareBazaar
TLSH T16BC4CF73211AAF8AEB7A7FB9541027402FF47C335B6ED24EAD8A709615F3960CE30951
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
254
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/199086/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Creating a file in the %temp% directory
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61715d0f9a5a1e91c5cb692a/reports/49dc8b6e-555a-4c8f-96f8-d9afe99b6ff3/overview
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a14da28a-0b9d-46e9-ac8c-81b8c8a9bcac
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/874549
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
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
Moves itself to temp directory
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)
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 AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 506977 Sample: SWIFT ADVISE.exe Startdate: 21/10/2021 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected AgentTesla 2->47 49 8 other signatures 2->49 6 SWIFT ADVISE.exe 3 2->6         started        10 YYtJku.exe 3 2->10         started        12 YYtJku.exe 2 2->12         started        process3 file4 27 C:\Users\user\...\SWIFT ADVISE.exe.log, ASCII 6->27 dropped 51 Injects a PE file into a foreign processes 6->51 14 SWIFT ADVISE.exe 2 5 6->14         started        19 SWIFT ADVISE.exe 6->19         started        21 SWIFT ADVISE.exe 6->21         started        53 Multi AV Scanner detection for dropped file 10->53 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->55 57 Machine Learning detection for dropped file 10->57 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->59 23 YYtJku.exe 2 10->23         started        25 YYtJku.exe 2 12->25         started        signatures5 process6 dnsIp7 33 smtp.vivaldi.net 31.209.137.12, 49830, 587 HRINGDU-ASIS Iceland 14->33 29 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 14->29 dropped 31 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 14->31 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Moves itself to temp directory 14->37 39 Tries to steal Mail credentials (via file access) 14->39 41 3 other signatures 14->41 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1bb37c4a8ca150af99b3fe174a280a662ffd923fa6e9a96c62289ebdcf6617b4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-21 11:13:24 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dozxysumufik7gnt7yluukakmyx73er7u3u2s3dcfcpl3t3gc62a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1224436a7a30ce80c8d1f4c257c3a0962376c406b04f4cfef69f3e0414bfb156
AgentTesla
2941306e0f9d54ab959d9f1e55795d917a9d9a271d6f04d30833bcd288b265fe
AgentTesla
44bae203dedf4da34c0a883f5f393cdf28853c34f84cabd3287758a23a9ef88d
AgentTesla
9222c571a4574561dcbe4b2399d0a3073c27a09f49e88167bf7fedc929f3d52c
AgentTesla
c39785b91858501d961c57f85b4c28fc6e674fc68f40244ecbc649870fa749ad
AgentTesla
e5429617126423f8569960dc908ad22361cb6ecc933e00083f050f8fba7595bb
AgentTesla
fab0db0c780f0c6699b1acd564580dded6fb1857c61093d732da3bde480cd655
AgentTesla
+ 12'170 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211021-pnwsrsbbdm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
e63c46af83807d823fc2c9531746f63cbca95f170d05d91e99e3483ea04672ac
MD5 hash:
ee1f351e8e7a51a5e9b36d8141bfd0a0
SHA1 hash:
fff4c94dbf7cc7415eea9b9ffa4d023312652d91
Link:
https://www.unpac.me/results/8916aea8-1a43-4416-b7f4-c862fc5ec61d/
SH256 hash:
07df0edfc25445583aa5eadfe9c15cf612d26afab581da31a6d1b19bdac72b3f
MD5 hash:
528d03615cb11418c31c7c2894a76beb
SHA1 hash:
d30bbf02ef94123401422f72fe8cc15b4265c25c
Link:
https://www.unpac.me/results/8916aea8-1a43-4416-b7f4-c862fc5ec61d/
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
Link:
https://www.unpac.me/results/8916aea8-1a43-4416-b7f4-c862fc5ec61d/
SH256 hash:
1bb37c4a8ca150af99b3fe174a280a662ffd923fa6e9a96c62289ebdcf6617b4
MD5 hash:
14e8d4e29329affc9dcad215edbf9ef2
SHA1 hash:
51560d32d4718901b76bd7a95f51e9f274266cf1
Link:
https://www.unpac.me/results/8916aea8-1a43-4416-b7f4-c862fc5ec61d/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/1bb37c4a8ca1/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/1bb37c4a8ca150af99b3fe174a280a662ffd923fa6e9a96c62289ebdcf6617b4

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Malspam

AgentTesla

Executable exe 1bb37c4a8ca150af99b3fe174a280a662ffd923fa6e9a96c62289ebdcf6617b4

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/199086/

Comments