MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46c5c413b31c08c49b03d6de4ddb926863d66a7d0b39b7b30cb340d2cb963ad0. 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


Formbook


Vendor detections: 16


Intelligence 16 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 46c5c413b31c08c49b03d6de4ddb926863d66a7d0b39b7b30cb340d2cb963ad0
SHA3-384 hash: cfdbd69bd3ba2a2cffffaaa7ebea4aa82c51b58750444f785f4fd060f199287870dc23687c280207eb3a033c9e9811c4
SHA1 hash: 05406d75c80b736ab51239c477abcac3f066b9c8
MD5 hash: 4b829ab8bed642e314aff42aba75220e
humanhash: earth-yankee-mountain-nevada
File name:SecuriteInfo.com.Win32.PWSX-gen.8396.18973
Download: download sample
Signature Formbook
Create hunting rule
File size:749'568 bytes
First seen:2024-04-10 05:21:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:mWNR4EoOBKMNHlgo9OX9OVZvawxfFFHEoTcjdb4LS1LTSGsNm59drbJPL9oF7qaI:BoOBrBl5gQvV7/TWbiGsw5XrbJP6F/eJ
Threatray 3'802 similar samples on MalwareBazaar
TLSH T1E0F4234236EF18A7C37ED2F54EA41C9013F9B92A3821DB848CD1A546ACE474953D8EF7
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 185210d0d01430b2 (4 x AgentTesla, 3 x Formbook, 1 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
349
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
46c5c413b31c08c49b03d6de4ddb926863d66a7d0b39b7b30cb340d2cb963ad0.exe
Verdict:
Malicious activity
Analysis date:
2024-04-10 05:22:11 UTC
Tags:
evasion agenttesla stealer
Link:
https://app.any.run/tasks/6599ae24-bf65-48e0-858b-99e987d37c6c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
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
Moving a file to the Program Files subdirectory
Replacing files
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/661621fa08ebdfcacd0031b2/reports/bee901c2-d0de-4317-8f58-d05953b8b3ff/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/46c5c413b31c08c49b03d6de4ddb926863d66a7d0b39b7b30cb340d2cb963ad0
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/623d5e84-c18c-4bc7-9378-dfcd84b08073
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1423630
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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 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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1423630 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 10/04/2024 Architecture: WINDOWS Score: 100 42 mail.hoangtruongphat.com 2->42 44 ip-api.com 2->44 46 api.ipify.org 2->46 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus / Scanner detection for submitted sample 2->58 60 10 other signatures 2->60 8 SecuriteInfo.com.Win32.PWSX-gen.8396.18973.exe 7 2->8         started        12 AzjksiPVeJ.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\AzjksiPVeJ.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp9F5D.tmp, XML 8->40 dropped 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->62 64 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->64 66 Uses schtasks.exe or at.exe to add and modify task schedules 8->66 74 3 other signatures 8->74 14 SecuriteInfo.com.Win32.PWSX-gen.8396.18973.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        68 Antivirus detection for dropped file 12->68 70 Multi AV Scanner detection for dropped file 12->70 72 Machine Learning detection for dropped file 12->72 24 AzjksiPVeJ.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 48 mail.hoangtruongphat.com 125.212.217.248, 49737, 49740, 587 VIETEL-AS-APViettelGroupVN Viet Nam 14->48 50 ip-api.com 208.95.112.1, 49734, 49739, 80 TUT-ASUS United States 14->50 52 api.ipify.org 172.67.74.152, 443, 49733, 49738 CLOUDFLARENETUS United States 14->52 76 Loading BitLocker PowerShell Module 18->76 28 WmiPrvSE.exe 18->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        78 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->78 80 Tries to steal Mail credentials (via file / registry access) 24->80 82 Tries to harvest and steal browser information (history, passwords, etc) 24->82 36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/46c5c413b31c08c49b03d6de4ddb926863d66a7d0b39b7b30cb340d2cb963ad0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/46c5c413b31c08c49b03d6de4ddb926863d66a7d0b39b7b30cb340d2cb963ad0/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-04-10 03:27:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
19 of 37 (51.35%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=i3c4ie5tdqemjgyd23pe3w4snbr5m2t5bm43pmymwnanfs4whlia._file
Verdict:
malicious
Similar samples:
0922bbbf638842a281530ad572da59ef6ae2326e49671b1f97b43c9031d95ad5
Formbook
378a5373cb0cdab87777f9864381aaeca5bb38f6bd97108feaeedef6f46ea512
Formbook
6fd8e845cfa1bf8f809f0f372c2d4e955c6a3b6c0e88fb8f474a2645f587ecf0
Formbook
b887c093dd77c6d117d00d26424152ea5ae2ade30ad68cdd41f01b9618873d8f
Formbook
+ 3'792 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/240410-f2j7fsge8y/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads WinSCP keys stored on the system
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:
bc39c3ba2ef220300f37e0ccffd84e387eaa28c831859c3588cdfdeec243b0c5
MD5 hash:
e4c53cafec45a303e00d4d7702b02822
SHA1 hash:
bf21964cd02330655a1eb04fb83ece35899977bf
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/46b5c829-265a-4741-931b-b2b0f8d2ffa0/
Parent samples :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 hash:
9ddc829df188f81ace8bd2a00e3358e24909f98363c4405eeba8c9237f74db6c
MD5 hash:
eac7ff4dbd439ecc7f977eb4d1773160
SHA1 hash:
2926d00283d397930806b059c6cea19ff84a20aa
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_SUSPICIOUS_EXE_SandboxHookingDLL
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/46b5c829-265a-4741-931b-b2b0f8d2ffa0/
Parent samples :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 hash:
a92efb3a1a53c4048a9ce443f4d70798cbc567680a3a9c7f31582e2d83fcdb0c
MD5 hash:
76529e1f76465c0d973fb4748283b93d
SHA1 hash:
1195fc7bf0245d342daa1c3470d9da80e116e9fc
Link:
https://www.unpac.me/results/46b5c829-265a-4741-931b-b2b0f8d2ffa0/
SH256 hash:
9ab47fbda035c91bb267f39a7861a542d9079243c4853ef60fa622f40069a5e4
MD5 hash:
d99a6c12be38ccdd3ad549334563b46c
SHA1 hash:
0313807dcad283ed0df9a02ed9fb471001bdd940
Link:
https://www.unpac.me/results/46b5c829-265a-4741-931b-b2b0f8d2ffa0/
SH256 hash:
46c5c413b31c08c49b03d6de4ddb926863d66a7d0b39b7b30cb340d2cb963ad0
MD5 hash:
4b829ab8bed642e314aff42aba75220e
SHA1 hash:
05406d75c80b736ab51239c477abcac3f066b9c8
Link:
https://www.unpac.me/results/46b5c829-265a-4741-931b-b2b0f8d2ffa0/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/46c5c413b31c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
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
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments