MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33799badf5d4a18281869c2e31449d318f91beb75388f6313b8fa717a5d2aa2c. 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 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 33799badf5d4a18281869c2e31449d318f91beb75388f6313b8fa717a5d2aa2c
SHA3-384 hash: 2b8c94dc4bdaef7b0824a0e114b92d926e6107efa19e4dce67f70699c359473636c50980dd98c27fcba62f2f7591a15c
SHA1 hash: 4c1257947923628980ac56bbfcf2c013b1bc710e
MD5 hash: d6ad8551abdb5e7a260c6ba2851fce36
humanhash: low-juliet-asparagus-william
File name:SecuriteInfo.com.Win32.PWSX-gen.9705.8850
Download: download sample
Signature AgentTesla
Create hunting rule
File size:727'040 bytes
First seen:2024-01-24 04:32:37 UTC
Last seen:2024-01-24 08:34:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:dPzcYN6l+cTp9+0B6Ist/6GAOnva+AeCMi5abg2e7bsYtwfewkkQC35Ci0C0eCXQ:eY8l+G7Bst/zAIbAqi5aU2e7bs0wQK5b
TLSH T1B3F412B873E84B7ACEAD143590FA11904373AA132552E31D5DC864AC6FA374217627FF
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 58b4626ab6d880a8 (6 x AgentTesla, 1 x Formbook)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
460
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/472611/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.PWSX-gen.9705.8850.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65b09305fc0458d7ffd80ece/reports/7e69cc3a-6903-472c-bfec-a1b8ad70130b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/33799badf5d4a18281869c2e31449d318f91beb75388f6313b8fa717a5d2aa2c
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/88a5b82c-f71a-4f2a-899d-61518c586d76
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1380016
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/33799badf5d4a18281869c2e31449d318f91beb75388f6313b8fa717a5d2aa2c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/33799badf5d4a18281869c2e31449d318f91beb75388f6313b8fa717a5d2aa2c/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-01-24 04:31:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gn4zxlpv2sqyfamgtqxdcre5gghzdpvxkoepmmj3r6trpjosviwa._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240124-e6j7ksahb5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
AgentTesla
Unpacked files
SH256 hash:
a872fc47bab2085db7e1f4ecdb71ea3c80a3ceb23bee0becf7082827033a0370
MD5 hash:
77f622f1690a5ed122326d4131654333
SHA1 hash:
f925b4ef68755cde8182f75ecf4278f71e4aad44
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/3eda395f-e6d6-4c25-b128-ffa2b3746f3b/
Parent samples :
5b17813545c85a10c81e81610c7ebf01d2316f80c8b02b89bb747c31a8c919e6
9d58f6f9e8cadbecbbef127edaa0f5376f8a52643e8d08d029f6672783a16e22
b5e780ba89a5931161f195adb76074b20fd6a6074193529cbe6fd80031f66ad0
33799badf5d4a18281869c2e31449d318f91beb75388f6313b8fa717a5d2aa2c
134a6be64174b03cdccc5bb168cbbb369882291222865c587ee75a8390926f22
SH256 hash:
41df911a2f6ef260ae7360df42a49b63061d72ca8e2369dccdee01806f1caf73
MD5 hash:
fae5bfc015f9cd90594b05b6abc1873f
SHA1 hash:
dafb95f1377267b2e175a4be19d2bebdd2ab9271
Link:
https://www.unpac.me/results/3eda395f-e6d6-4c25-b128-ffa2b3746f3b/
SH256 hash:
062689dda85de025ef57e7a9935d23bbe6adf1c3cc47a5d4b5a498f9693ce2b1
MD5 hash:
deda03e4d2e6f925ae3ce608ca49488b
SHA1 hash:
782172f50b94683d08d8d7f19d43ddfc4dfab205
Link:
https://www.unpac.me/results/3eda395f-e6d6-4c25-b128-ffa2b3746f3b/
SH256 hash:
c85bc328773aba91c794d88be8ac5ccd57dddbea157f6c128bb5a3b193e0319f
MD5 hash:
8b926a9877401238b870a1a2745b39a2
SHA1 hash:
50ab6730fee83524fe4e03f077229a32eeb07691
Link:
https://www.unpac.me/results/3eda395f-e6d6-4c25-b128-ffa2b3746f3b/
SH256 hash:
33799badf5d4a18281869c2e31449d318f91beb75388f6313b8fa717a5d2aa2c
MD5 hash:
d6ad8551abdb5e7a260c6ba2851fce36
SHA1 hash:
4c1257947923628980ac56bbfcf2c013b1bc710e
Link:
https://www.unpac.me/results/3eda395f-e6d6-4c25-b128-ffa2b3746f3b/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/33799badf5d4/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/33799badf5d4a18281869c2e31449d318f91beb75388f6313b8fa717a5d2aa2c

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

arj 2c0f5f2589f569133551e1f6a6264bfa1b4906cae8c8613fe78cb2a6dad66c06

AgentTesla

Executable exe 33799badf5d4a18281869c2e31449d318f91beb75388f6313b8fa717a5d2aa2c

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/472611/
  
Dropped by
SHA256 2c0f5f2589f569133551e1f6a6264bfa1b4906cae8c8613fe78cb2a6dad66c06
  
Dropped by
MD5 06a58d4d6a0c0e0b12a45f2c8f3c1ec4

Comments