MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7be1564aa359a6b4e5053520738086c66577fdf38fd773fe76cc5a34bd53e40. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c7be1564aa359a6b4e5053520738086c66577fdf38fd773fe76cc5a34bd53e40
SHA3-384 hash: 72926033ce833f2ac31d5430467bbcae9c6492795ca7b77e8c55badc72f168eba378504466918e1aa75e6edc524d4ef0
SHA1 hash: 87c6b4a48deca55011768f77dfc5167993a9da4a
MD5 hash: de21c2772bee582119600dd6879be38a
humanhash: iowa-fillet-burger-august
File name:Proforma.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:642'048 bytes
First seen:2023-10-30 12:31:01 UTC
Last seen:2023-10-30 14:13:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:B8X469yqLBpAZVj6t3hGxhrNLFT/5I968HwKtgjtzKKfeqLE4lHK:R6XdCZVj6t3AHT/IXQKSnfLVK
Threatray 908 similar samples on MalwareBazaar
TLSH T14CD42302B6B90B05CA7F6BF184B1529013B665072671FB9D2DCE21DF4DDAFA842C1E87
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)
File icon (PE):PE icon
dhash icon c4c6a2202e223684 (12 x AgentTesla, 8 x Formbook, 2 x Loki)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
349
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Proforma.exe
Verdict:
Malicious activity
Analysis date:
2023-10-30 15:06:29 UTC
Tags:
sinkhole stealer agenttesla
Link:
https://app.any.run/tasks/65f9443c-ba59-462b-b0a5-d04b5ae3b3ae

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/457096/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.31915.17542.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/653fa208bc703e36b0938504/reports/4acba85a-9dd7-4ec7-ae23-2aa1e8be89c2/overview
Verdict:
Malicious
Labled as:
Barys.Generic
Link:
https://www.hybrid-analysis.com/sample/c7be1564aa359a6b4e5053520738086c66577fdf38fd773fe76cc5a34bd53e40
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/6e73550f-9715-452c-8563-3277728fc633
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1334223
Signature
.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)
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: 1334223 Sample: Proforma.exe Startdate: 30/10/2023 Architecture: WINDOWS Score: 100 27 webmail.euroschool-bg.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 Multi AV Scanner detection for submitted file 2->49 51 6 other signatures 2->51 7 Proforma.exe 3 2->7         started        10 laweFc.exe 3 2->10         started        12 laweFc.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 14 Proforma.exe 16 5 7->14         started        55 Multi AV Scanner detection for dropped file 10->55 19 laweFc.exe 14 2 10->19         started        21 laweFc.exe 2 12->21         started        process6 dnsIp7 33 webmail.euroschool-bg.com 185.119.88.77, 49737, 49738, 49740 UNITEDRS Serbia 14->33 35 api4.ipify.org 104.237.62.212, 443, 49736, 49739 WEBNXUS United States 14->35 23 C:\Users\user\AppData\Roaming\...\laweFc.exe, PE32 14->23 dropped 25 C:\Users\user\...\laweFc.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/c7be1564aa359a6b4e5053520738086c66577fdf38fd773fe76cc5a34bd53e40
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c7be1564aa359a6b4e5053520738086c66577fdf38fd773fe76cc5a34bd53e40/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-10-30 12:14:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y67bkzfkgwngwtsqknjaooainrtfo767hd6xop7hntc2gs6vhzaa._file
Verdict:
malicious
Similar samples:
2a7a8b9c2e197e3fe09f6749a733d7c2a46000ab70b6d7fc8feea9bf22e69457
AgentTesla
3919ad1d9e40d234f221440b20a11e1ee317824c4209238c81c83c9299de5762
AgentTesla
4cfc88c5c6ebfef3eb41f45732c5db52726f9792b8b4f13ffb8c9b6d7e0e16d0
AgentTesla
6ca768e186aca34cce8eb9a3283f2a17a28f9b81281d464a3c80561b4fbaf066
AgentTesla
7635af462a7f7e9d81b98fd583da931c1f7f3ec1394e1ed1bcd773d340193b93
AgentTesla
8011fd0a104d73ed3f9036a6acac255aa344e8d3a650c82bfc920914a479b8b8
AgentTesla
9bc899defa6d47d99cefedf9b92f85b819c1ef087e1c851e767da436cc402f23
AgentTesla
ab0b368b6a4ae4cf72a0c386e05631c9c15f65748f02b809d1c30c3fb7425fea
AgentTesla
d53f012f7499d34efd9c65029f7c2f2231f164fca3157a5e2eba031f9ead92b8
AgentTesla
+ 898 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/231030-pp2emsch7x/
Behaviour
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:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
Link:
https://www.unpac.me/results/4991730b-7a0e-427b-a2be-f821c1323073/
SH256 hash:
b6d7f4ac563f1ed468cea531d38fe0a20e366c08c8c2968f476cc9f1d31adb3a
MD5 hash:
2cde65b12f3292e7914c0cef7f9cf9b6
SHA1 hash:
ed5e560a9ac1c15b94ac58e5ae96547df55b4df7
Link:
https://www.unpac.me/results/4991730b-7a0e-427b-a2be-f821c1323073/
SH256 hash:
388cbebd2dc9031868e688d4f2b6c70891b750d73b567a4b9d3ca51313ba41c1
MD5 hash:
fc8391164520f8fccddf582a358bcd7b
SHA1 hash:
c43620aac078ddb0eaca29462246670555a6c074
Link:
https://www.unpac.me/results/4991730b-7a0e-427b-a2be-f821c1323073/
SH256 hash:
6cfde6a7cbeb4e1388afdda618e144587cc5084631262a16f844c4908daab8f5
MD5 hash:
56b15ddabe256d5fc02ef5ca2792e9fa
SHA1 hash:
67fbc9cb6955d5b0f6d9bc0c859434bb7168d03e
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/4991730b-7a0e-427b-a2be-f821c1323073/
Parent samples :
c7be1564aa359a6b4e5053520738086c66577fdf38fd773fe76cc5a34bd53e40
3e6e41eb8bb69cd6e241f2c7217b1be2e3c0776f8d50fd13b2111b8c38f2d223
SH256 hash:
c7be1564aa359a6b4e5053520738086c66577fdf38fd773fe76cc5a34bd53e40
MD5 hash:
de21c2772bee582119600dd6879be38a
SHA1 hash:
87c6b4a48deca55011768f77dfc5167993a9da4a
Link:
https://www.unpac.me/results/4991730b-7a0e-427b-a2be-f821c1323073/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c7be1564aa35/report/overview.html
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/c7be1564aa359a6b4e5053520738086c66577fdf38fd773fe76cc5a34bd53e40

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/457096/

Comments