MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33a39c038e941e77bb0129b765cc7ed91a4126a8bafb435149ef4912afb62a18. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 33a39c038e941e77bb0129b765cc7ed91a4126a8bafb435149ef4912afb62a18
SHA3-384 hash: 57b4ae44d475f7ca94b68c0cc18895660b471c36861ea3ce69090608df523ebfe83c26046e4029a021af05008721ea82
SHA1 hash: 4d20edbdb8cfef8d035152d9205a2b8a6b31d1fb
MD5 hash: ad30c2986af94ac48383ec1b1a23dbc3
humanhash: london-colorado-massachusetts-summer
File name:ARRIVAL NOTICE AND TAX INVOICE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'015'808 bytes
First seen:2022-12-01 10:33:45 UTC
Last seen:2022-12-02 06:22:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:6H/41TnjJQ5B8pnzThi54XaKlMNaJA7vS57RM7hcO:9ZJDZvKaRlMA957mW
Threatray 20'316 similar samples on MalwareBazaar
TLSH T17625BEEA23955D93D9097EBF4E8D748E21BE15B3CFFA91C41E14B88016B67698E00FC1
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
7
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
ARRIVAL NOTICE AND TAX INVOICE.exe
Verdict:
Malicious activity
Analysis date:
2022-12-01 10:36:37 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/c0816435-307f-4daa-9864-6d049a69a65b

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/341073/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.8516.7390.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6388831c6ab8d544984c50d7/reports/5305a461-dd37-4051-87b7-a92502d2bd20/overview
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/0ada41a6-1e04-4235-bed8-dc972147c29a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1125225
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Initial sample is a PE file and has a suspicious name
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)
May check the online IP address of the machine
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)
Sigma detected: Scheduled temp file as task from temp location
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 757951 Sample: ARRIVAL NOTICE AND TAX INVO... Startdate: 01/12/2022 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Sigma detected: Scheduled temp file as task from temp location 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 11 other signatures 2->51 7 EYPqocWmzDQnwc.exe 5 2->7         started        10 ARRIVAL NOTICE AND TAX INVOICE.exe 6 2->10         started        process3 file4 53 Multi AV Scanner detection for dropped file 7->53 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 May check the online IP address of the machine 7->57 61 2 other signatures 7->61 13 EYPqocWmzDQnwc.exe 14 3 7->13         started        17 schtasks.exe 1 7->17         started        29 C:\Users\user\AppData\...YPqocWmzDQnwc.exe, PE32 10->29 dropped 31 C:\Users\user\AppData\Local\...\tmp6FB0.tmp, XML 10->31 dropped 33 C:\...\ARRIVAL NOTICE AND TAX INVOICE.exe.log, ASCII 10->33 dropped 59 Injects a PE file into a foreign processes 10->59 19 ARRIVAL NOTICE AND TAX INVOICE.exe 15 3 10->19         started        21 schtasks.exe 1 10->21         started        23 ARRIVAL NOTICE AND TAX INVOICE.exe 10->23         started        signatures5 process6 dnsIp7 35 3.220.57.224, 443, 49705 AMAZON-AESUS United States 13->35 37 api.ipify.org 13->37 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->63 65 Tries to steal Mail credentials (via file / registry access) 13->65 67 Tries to harvest and steal ftp login credentials 13->67 69 Tries to harvest and steal browser information (history, passwords, etc) 13->69 25 conhost.exe 17->25         started        39 mail.southernboilers.org 199.79.62.12, 49702, 49706, 587 PUBLIC-DOMAIN-REGISTRYUS United States 19->39 41 api.ipify.org.herokudns.com 52.20.78.240, 443, 49700 AMAZON-AESUS United States 19->41 43 api.ipify.org 19->43 27 conhost.exe 21->27         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/33a39c038e941e77bb0129b765cc7ed91a4126a8bafb435149ef4912afb62a18/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-12-01 01:51:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gorzya4osqphpoybfg3wltd63enecjvixl5ugukj55erfl5wfima._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
68c3508e980dd892e048b76b56f4ccf61a123ffe3b57039de7db4620f957d976
AgentTesla
6c0fa98c3efe2e344205ce8ebf89e440100294b7a1d4624f7484c2dadc644b0b
AgentTesla
9ea9e37ac1dbdbf112de65d1aea38f6c30977e7af3b1f460d5c1530332d371fd
AgentTesla
add9c8baf898a95f7fda191fc281bbd09f36d8548fec2169d53e1998a6baca48
AgentTesla
ceeaf351408125592c58eb70508f0387f293210a0f8ce14cbbda70fd6ef2254c
AgentTesla
ea7c276788e37a7566cff0711b6a84be63f9b0878d3802881e039441b3d88a37
AgentTesla
f1d1e954a98a8e04d61c39c17abd2603dcb23142e6d732d3d57c770a3e246010
AgentTesla
+ 20'306 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/221201-ml65lsdf3y/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/90cb2407-1c12-45eb-bab4-283c52871ccf
Unpacked files
SH256 hash:
23fdd53aa2fcf4d2bc0d12abdce628edaaf17655fa538d15ef8a38015a493611
MD5 hash:
c037b267caed6877507d526297b36195
SHA1 hash:
f0b9fb1165b2dc96ad8dfc930d50691f39f79eaa
Link:
https://www.unpac.me/results/1a32b155-482f-4297-8988-0b0122e3ef51/
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
Link:
https://www.unpac.me/results/1a32b155-482f-4297-8988-0b0122e3ef51/
SH256 hash:
a16b8354ff678ee234128d7772a15a06d8aa5df5b3889522e9d0017fbfa87505
MD5 hash:
bb8d7994ceb618bfe95f8eff45d6c251
SHA1 hash:
610a1ee94d7bd9c2d5ad92cec8bc2c81bc869498
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/1a32b155-482f-4297-8988-0b0122e3ef51/
Parent samples :
ea7c276788e37a7566cff0711b6a84be63f9b0878d3802881e039441b3d88a37
c501fd3897c957d18b7414bcef1452fa1cb3f5673d6265cc80639d50cc277ef8
ddb8df086907b77b37c15fa698d27f3bf388e46edc7e3f982faf5d110b36e914
b33ad8c19c7d05ef5e089aee474e1c596787329a41323be0ca7401186402ce22
52f21a43347e87dc80a1c50c97e68535687bc95425289b5797e59d96b7edcd57
05472a071f902b974d4ce0d2e605058580f86ab1ad7b6c201c6f9b38608c9b4d
9d6b6913c2b8b1084f4177076c9c2b759ce8a903bc7baf1b1c0ef3bf5635c361
91826efe412b5c829801d1c52fbb43225cf1f0fc4cba201453ad877341c64b90
66af175d79a1cc8fc062a0bcb87b2c14ed79ec79d7b26be017b7a46edb24489e
33a39c038e941e77bb0129b765cc7ed91a4126a8bafb435149ef4912afb62a18
708854bca2cd2ab2e484b373b82e18a23cb0c0bfd89c4fa6f9ec9b6ee406e4bc
f935f77d9642d77c90dd45642c1cca39d25f6eec62867ee8c2759efe51207ddc
029e77a3335889c2d1bd4fd62fb2fba0565b4a6d69542fe05ab950b652450f36
56a61925bee931749416572822537da2226bf5348e3173a6e25bbb826014dbe4
SH256 hash:
33a39c038e941e77bb0129b765cc7ed91a4126a8bafb435149ef4912afb62a18
MD5 hash:
ad30c2986af94ac48383ec1b1a23dbc3
SHA1 hash:
4d20edbdb8cfef8d035152d9205a2b8a6b31d1fb
Link:
https://www.unpac.me/results/1a32b155-482f-4297-8988-0b0122e3ef51/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/33a39c038e94/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/33a39c038e941e77bb0129b765cc7ed91a4126a8bafb435149ef4912afb62a18

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: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

zip 990fc6c91e016583ecf6d74e760e5b93da944e92f8728a3a497411824da3ae35

AgentTesla

Executable exe 33a39c038e941e77bb0129b765cc7ed91a4126a8bafb435149ef4912afb62a18

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/341073/
  
Dropped by
SHA256 990fc6c91e016583ecf6d74e760e5b93da944e92f8728a3a497411824da3ae35
  
Dropped by
MD5 763395b6dd5a70083998daf3c796c617
  
Dropped by
SHA256 fb85bd697f373300f30fb38c905eb19305f6e24c4aa31aefdcf43d377473222c
  
Dropped by
MD5 a825dfd6c06fcc0ec41b698c14db48e2
  
Dropped by
SHA256 0027b2f71bd61242fd91a7abdbddc47da22037eedd75ede5a880623ca723499a
  
Dropped by
MD5 75f84698694ce6d8123e8665a7338fc1

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