MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50c57233d3be4189fc1d3512d523f2dd6e2dbcdce66193bc7ee341c3c251a800. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 50c57233d3be4189fc1d3512d523f2dd6e2dbcdce66193bc7ee341c3c251a800
SHA3-384 hash: e9a0153a0ba1163f338120fc8b61f20a192f245418804f942cc37cfec34ee853505bc7ff9f70b49c8271113faf836c58
SHA1 hash: 770296e7cd6aeb2ba8366c39687e7e4fc5b20d7a
MD5 hash: a39b26d2f302c4080fc1a674f693fc76
humanhash: kilo-carbon-minnesota-ceiling
File name:RFQ2610203.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'135'992 bytes
First seen:2023-11-01 10:13:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:LXiDAXnIqOrs9qdJm18c9t9NyrOZUuifn6XM2KSOWW3/t90Q7e/:LX5XnbgsAJ8RH9muk6XZKS2EQ7e/
TLSH T13535AD95E2F1A60DE8DB4A369D3063F4627278137B22E25ECD40E64C786C7D7CAC1663
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 TeamDreier
Tags:AgentTesla exe signed

Code Signing Certificate

Organisation:Issued by Amazon
Issuer:Issued by Amazon
Algorithm:sha256WithRSAEncryption
Valid from:2023-10-31T09:46:12Z
Valid to:2024-10-31T09:46:12Z
Serial number: 1e7888975c46a44719318881f0c0e0d8
Thumbprint Algorithm:SHA256
Thumbprint: a4411fc17dc217cc3ddbfa57c83dabb32fe95e7047549c814712fc53497f1e17
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
324
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
RFQ2610203.exe
Verdict:
Malicious activity
Analysis date:
2023-11-01 11:58:59 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/0b45fe2c-f284-49f2-b6df-9c8ee7b1d80f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/457606/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.29260.21428.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
DNS request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Blocking the User Account Control
Forced shutdown of a system process
Stealing user critical data
Enabling autorun by creating a file
Adding exclusions to Windows Defender
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
89%
Tags:
anti-vm evasive overlay packed
Link:
https://www.filescan.io/uploads/654224f5a6fa5eab936cafcb/reports/c30a0d94-e22c-4410-ae93-95326d213372/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/50c57233d3be4189fc1d3512d523f2dd6e2dbcdce66193bc7ee341c3c251a800
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a4b356ee-13ca-4d15-9b05-8716e4073946
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1335392
Signature
.NET source code contains a domain name check
.NET source code contains potential unpacker
.NET source code contains process injector
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates multiple autostart registry keys
Disables UAC (registry)
Drops PE files with benign system names
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Schedule system process
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
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1335392 Sample: RFQ2610203.exe Startdate: 01/11/2023 Architecture: WINDOWS Score: 100 72 mail.srp-center.iq 2->72 78 Found malware configuration 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 Antivirus detection for URL or domain 2->82 84 11 other signatures 2->84 10 svchost.exe 2 4 2->10         started        13 RFQ2610203.exe 1 7 2->13         started        16 svchost.exe 2->16         started        18 4 other processes 2->18 signatures3 process4 dnsIp5 100 Antivirus detection for dropped file 10->100 102 Multi AV Scanner detection for dropped file 10->102 104 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->104 118 2 other signatures 10->118 21 AddInProcess32.exe 10->21         started        25 CasPol.exe 10->25         started        27 powershell.exe 10->27         started        70 C:\Users\user\AppData\Roaming\svchost.exe, PE32 13->70 dropped 106 Creates multiple autostart registry keys 13->106 108 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->108 110 Drops PE files with benign system names 13->110 29 cmd.exe 1 13->29         started        31 cmd.exe 1 13->31         started        112 Writes to foreign memory regions 16->112 114 Adds a directory exclusion to Windows Defender 16->114 116 Injects a PE file into a foreign processes 16->116 33 CasPol.exe 16->33         started        35 powershell.exe 16->35         started        74 127.0.0.1 unknown unknown 18->74 37 CasPol.exe 18->37         started        39 3 other processes 18->39 file6 signatures7 process8 file9 68 C:\Users\user\AppData\Roaming\...\WabOCM.exe, PE32 21->68 dropped 86 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 21->86 88 Tries to steal Mail credentials (via file / registry access) 21->88 90 Creates multiple autostart registry keys 21->90 41 conhost.exe 27->41         started        43 svchost.exe 3 29->43         started        46 conhost.exe 29->46         started        48 timeout.exe 1 29->48         started        92 Uses schtasks.exe or at.exe to add and modify task schedules 31->92 50 conhost.exe 31->50         started        52 schtasks.exe 1 31->52         started        94 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 33->94 96 Tries to harvest and steal browser information (history, passwords, etc) 33->96 98 Hides that the sample has been downloaded from the Internet (zone.identifier) 33->98 54 conhost.exe 35->54         started        56 conhost.exe 39->56         started        signatures10 process11 signatures12 120 Writes to foreign memory regions 43->120 122 Adds a directory exclusion to Windows Defender 43->122 124 Injects a PE file into a foreign processes 43->124 58 AddInProcess32.exe 43->58         started        62 powershell.exe 43->62         started        64 CasPol.exe 43->64         started        process13 dnsIp14 76 mail.srp-center.iq 109.224.14.151, 49743, 49745, 49748 EARTHLINK-ASIQ Iraq 58->76 126 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 58->126 128 Tries to steal Mail credentials (via file / registry access) 58->128 130 Hides that the sample has been downloaded from the Internet (zone.identifier) 58->130 66 conhost.exe 62->66         started        signatures15 process16
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/50c57233d3be4189fc1d3512d523f2dd6e2dbcdce66193bc7ee341c3c251a800
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/50c57233d3be4189fc1d3512d523f2dd6e2dbcdce66193bc7ee341c3c251a800/
Threat name:
ByteCode-MSIL.Trojan.GenSteal
Create hunting rule
Status:
Malicious
First seen:
2023-10-31 10:29:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
18 of 37 (48.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kdcxem6txzayt7a5gujnki7s3vxc3pg44zqzhpd64na4hqsrvaaa._file
Verdict:
malicious
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231101-l9mv7sgh74/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Windows security modification
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
AgentTesla
UAC bypass
Windows security bypass
Unpacked files
SH256 hash:
50c57233d3be4189fc1d3512d523f2dd6e2dbcdce66193bc7ee341c3c251a800
MD5 hash:
a39b26d2f302c4080fc1a674f693fc76
SHA1 hash:
770296e7cd6aeb2ba8366c39687e7e4fc5b20d7a
Link:
https://www.unpac.me/results/d72946bd-2542-43e7-b4c3-37c8519d36ae/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/50c57233d3be/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/50c57233d3be4189fc1d3512d523f2dd6e2dbcdce66193bc7ee341c3c251a800

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_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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

Executable exe 50c57233d3be4189fc1d3512d523f2dd6e2dbcdce66193bc7ee341c3c251a800

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/457606/

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