MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb5b277fe1e24b4d0838756c2713ec39a84b3bb973b5759552666497ccbf7e12. 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: 15


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

SHA256 hash: cb5b277fe1e24b4d0838756c2713ec39a84b3bb973b5759552666497ccbf7e12
SHA3-384 hash: b8e5e91bc28644e24c37791ad9807bc4da2981622441733fe3758af8989f30673eb6c188313e50e2d305b2d2ea2506d9
SHA1 hash: bfeaf4d41a0803f7bdd20fa19e4a7182521110a0
MD5 hash: eb900e730712595889d9cf1b091266b2
humanhash: sodium-six-five-table
File name:CV Mariana Alvarez.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:692'736 bytes
First seen:2024-02-20 19:22:34 UTC
Last seen:2024-02-20 21:26:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:kvQ4W3U6qzja91pMXv9yxxlpngXrfKzyYokIvS5036DzKV:kpARx91WOT1gbKz7okoYY
Threatray 5'694 similar samples on MalwareBazaar
TLSH T1BFE423A92AAC2B31DDBE67F11031646013F9A43876D7FB864DD9A1D71B33F104E81A93
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
326
Origin country :
CA CA
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/477135/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.46253.1247.7536.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/65d4fc1de304215defb4ea33/reports/2490eb13-be4e-4e1c-9d9a-6e6e9b51d6fc/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/cb5b277fe1e24b4d0838756c2713ec39a84b3bb973b5759552666497ccbf7e12
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/e8a6af4e-30d7-41b2-9643-072136049ad0
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1395618
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cb5b277fe1e24b4d0838756c2713ec39a84b3bb973b5759552666497ccbf7e12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cb5b277fe1e24b4d0838756c2713ec39a84b3bb973b5759552666497ccbf7e12/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-02-16 12:06:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
23 of 38 (60.53%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=znnso77b4jfu2cbyovwcoe7mhguewo5zoo2xlfksmzsjptf7pyja._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
1b959a6064b127aebdccf7e9347a199a7c7e75e6abc883102b09488a94188fa1
AgentTesla
4caca79379d7a82fc6348039c7a95f463be1462a5e6ef4c4e5b1f26e76fb4dbb
AgentTesla
9ee3d485042697bb7cc15792f2c77303d52258c263c720040aa5bfb8031a404f
AgentTesla
a813edf14242ad30a5b4351eb88fd605dfe7b56b34d8e06918fdcd7789ca2980
AgentTesla
fa13e8aa633498eca2185550810df58572e304e1ed0e086304d40af74929d654
AgentTesla
+ 5'684 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240220-x3szesec38/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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:
ab3d870b57ffaac449078340a00ba6e0b2bd551444b1fd04fb2e26f80591f044
MD5 hash:
45e5bc690da784b17a8712f0c9d90b9e
SHA1 hash:
ee44c7590640799d7cf17e7fea505d0fea1741f0
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/f94064ff-de8f-4587-91dc-e840570ba92c/
Parent samples :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 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
Link:
https://www.unpac.me/results/f94064ff-de8f-4587-91dc-e840570ba92c/
SH256 hash:
96cf47db3a8f928f3e68345319a0d47f26c9a76a2cec0bc423c35849cb4b37cb
MD5 hash:
6c0cb3c4fce996f6eb0cfdc82f5d282b
SHA1 hash:
7b6710eb3f23bb19a3d726008b8caf16f796ee33
Link:
https://www.unpac.me/results/f94064ff-de8f-4587-91dc-e840570ba92c/
SH256 hash:
4a61a353184c1003badd0ecfcf19edb774a1c9b461a16bad78292083f94da212
MD5 hash:
b3fc6196fa8dde516262eaee97b1970f
SHA1 hash:
07fd1a38ee680cedc6ef30d2e6c0d861bae66671
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/f94064ff-de8f-4587-91dc-e840570ba92c/
Parent samples :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 hash:
cb5b277fe1e24b4d0838756c2713ec39a84b3bb973b5759552666497ccbf7e12
MD5 hash:
eb900e730712595889d9cf1b091266b2
SHA1 hash:
bfeaf4d41a0803f7bdd20fa19e4a7182521110a0
Link:
https://www.unpac.me/results/f94064ff-de8f-4587-91dc-e840570ba92c/
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/cb5b277fe1e24b4d0838756c2713ec39a84b3bb973b5759552666497ccbf7e12

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/477135/

Comments