MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85bc631d0e67651ca8d58602830378a006b44a898ec008da40c26f8928e378ec. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 85bc631d0e67651ca8d58602830378a006b44a898ec008da40c26f8928e378ec
SHA3-384 hash: 5fc356dd080dc9290c752202074d5e70b5fbeb287726d5d9084904be75130f7f8e36117aa56ab8d6607ba67650a3d935
SHA1 hash: bc9d8f4c1740a94ba6c43ecf0b22ee43296f73f8
MD5 hash: 7220db418342b68769b9d57862da80d4
humanhash: grey-october-victor-eight
File name:RFQ09876544567.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'197'416 bytes
First seen:2023-03-16 11:45:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:dY+UU8c6483Bk5VXx3+751JJccC+KP2u7ExjVi9x5Qhw0fMvdFoNXx0/rUYvwLQw:dYwELX3IDEti8V9Rxm9P24+hjPv
Threatray 580 similar samples on MalwareBazaar
TLSH T1C045392439FA501AB173EFAA8BE475EADA6FB7333B07645D109103864723A81DDC153E
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Reporter madjack_red
Tags:AgentTesla exe signed

Code Signing Certificate

Organisation:kgb.black
Issuer:kgb.black
Algorithm:sha256WithRSAEncryption
Valid from:2023-03-14T22:16:49Z
Valid to:2024-03-14T22:16:49Z
Serial number: 059677e899f21ddce5e818921edf0966
Thumbprint Algorithm:SHA256
Thumbprint: e7ad5044bd5955ef6d01ba9a0a70b9321e1f76ec5f147d635a95e0c426500d58
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
233
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ09876544567.exe
Verdict:
Malicious activity
Analysis date:
2023-03-16 12:03:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9573a90e-4e1f-4e60-8aea-eb901078c667

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/374746/
Detection(s):
SecuriteInfo.com.Malware.PDB-223.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29037.BadIN.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
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
Creating a service
Loading a system driver
Changing a file
DNS request
Sending a custom TCP request
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun for a service
Blocking the User Account Control
Forced shutdown of a system process
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cerbu overlay packed
Link:
https://www.filescan.io/uploads/6413017dd86839d607a8e125/reports/dd796df1-bddf-4a27-a174-e16572e27c1e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/85bc631d0e67651ca8d58602830378a006b44a898ec008da40c26f8928e378ec
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:
Malicious
Link:
https://analyze.intezer.com/analyses/f5447e0d-dc7a-4c9a-88a3-9b66878459d9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1194876
Signature
Adds a directory exclusion to Windows Defender
Disables UAC (registry)
Drops PE files with benign system names
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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)
Sample is not signed and drops a device driver
Sigma detected: Schedule system process
Snort IDS alert for network traffic
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 cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 827777 Sample: RFQ09876544567.exe Startdate: 16/03/2023 Architecture: WINDOWS Score: 100 72 mail.cuyoparts.com.ar 2->72 74 api4.ipify.org 2->74 76 api.ipify.org 2->76 90 Snort IDS alert for network traffic 2->90 92 Malicious sample detected (through community Yara rule) 2->92 94 Multi AV Scanner detection for submitted file 2->94 96 6 other signatures 2->96 10 RFQ09876544567.exe 1 7 2->10         started        14 svchost.exe 4 2->14         started        16 svchost.exe 3 2->16         started        18 3 other processes 2->18 signatures3 process4 file5 64 C:\Users\user\AppData\Roaming\svchost.exe, PE32+ 10->64 dropped 66 C:\Users\user\...\RFQ09876544567.exe.log, CSV 10->66 dropped 126 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->126 128 Drops PE files with benign system names 10->128 20 cmd.exe 1 10->20         started        22 cmd.exe 1 10->22         started        68 C:\Windows\Temp\q0wqoxtv.inf, Windows 14->68 dropped 130 Uses cmd line tools excessively to alter registry or file data 14->130 132 Writes to foreign memory regions 14->132 134 Adds a directory exclusion to Windows Defender 14->134 25 jsc.exe 14->25         started        28 powershell.exe 14->28         started        30 cmstp.exe 14->30         started        34 11 other processes 14->34 136 Multi AV Scanner detection for dropped file 16->136 138 Injects a PE file into a foreign processes 16->138 70 C:\Windows\Temp\lqhrz4vw.inf, Windows 18->70 dropped 32 consent.exe 18->32         started        signatures6 process7 dnsIp8 36 svchost.exe 5 5 20->36         started        40 conhost.exe 20->40         started        42 timeout.exe 1 20->42         started        116 Uses schtasks.exe or at.exe to add and modify task schedules 22->116 44 conhost.exe 22->44         started        46 schtasks.exe 1 22->46         started        84 mail.cuyoparts.com.ar 25->84 86 api4.ipify.org 25->86 88 api.ipify.org 25->88 118 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->118 120 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 25->120 122 May check the online IP address of the machine 25->122 124 3 other signatures 25->124 48 conhost.exe 28->48         started        signatures9 process10 file11 62 C:\Users\user\AppData\Local\Temp\?????.sys, PE32+ 36->62 dropped 108 Uses cmd line tools excessively to alter registry or file data 36->108 110 Writes to foreign memory regions 36->110 112 Adds a directory exclusion to Windows Defender 36->112 114 3 other signatures 36->114 50 AddInProcess32.exe 36->50         started        54 vbc.exe 36->54         started        56 powershell.exe 36->56         started        58 11 other processes 36->58 signatures12 process13 dnsIp14 78 mail.cuyoparts.com.ar 69.164.202.66, 49699, 49700, 49702 LINODE-APLinodeLLCUS United States 50->78 80 api4.ipify.org 173.231.16.76, 443, 49697, 49698 WEBNXUS United States 50->80 82 api.ipify.org 50->82 98 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 50->98 100 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 50->100 102 May check the online IP address of the machine 50->102 104 Tries to steal Mail credentials (via file / registry access) 50->104 106 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 54->106 60 conhost.exe 56->60         started        signatures15 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/85bc631d0e67651ca8d58602830378a006b44a898ec008da40c26f8928e378ec/
Threat name:
Win64.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-03-14 22:57:48 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qw6gghiom5srzkgvqybiga3yuadlisujr3aarwsayjxyskhdpdwa._file
Verdict:
malicious
Similar samples:
0a0debbbfe0c321661a6f911fc895997b512405cb9ba90c41f547dc410733b6b
AgentTesla
7b0b81c17dfb8b053c8cf68519837b7afdfd12e95a46c97ef887881c674039fb
AgentTesla
7d9418917c60dc3b7b4a9ab41f8ffe4b0bd4004addea5b9483605279c33004f4
AgentTesla
b599fc54aa3767986d504d3913c7178181000cf20e88a220ca08b636af1b64e7
AgentTesla
c6af80e6ed0b9f93b7e14e956dac74d7affe71097f9ab14786e8fdd0469f4d25
AgentTesla
c8e7b453153417e8dd50244f207b1c225b52f217fdc6d0036c476eb93a4023b1
AgentTesla
e88243eed45dce02cc948299bc673e2d7166390a23570c520258151ea5259863
AgentTesla
fe14ae75b872e1b4419de4aac769c767a5d23479d2bd6c957be5648ad802a246
AgentTesla
+ 570 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230316-nxaq8aaf59/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks whether UAC is enabled
Looks up external IP address via web service
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Uses the VBS compiler for execution
Windows security modification
Looks for VMWare Tools registry key
Sets service image path in registry
Looks for VirtualBox Guest Additions in registry
AgentTesla
UAC bypass
Windows security bypass
Unpacked files
SH256 hash:
85bc631d0e67651ca8d58602830378a006b44a898ec008da40c26f8928e378ec
MD5 hash:
7220db418342b68769b9d57862da80d4
SHA1 hash:
bc9d8f4c1740a94ba6c43ecf0b22ee43296f73f8
Link:
https://www.unpac.me/results/de8ea2a6-1de4-4f55-aa68-832bd3e2d43d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/85bc631d0e67/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/85bc631d0e67651ca8d58602830378a006b44a898ec008da40c26f8928e378ec

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

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/374746/

Comments