MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c261674efa44bd9deebcf6b478ffc330fc97f73b8ca586cc8c79ff6de693bd1c. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c261674efa44bd9deebcf6b478ffc330fc97f73b8ca586cc8c79ff6de693bd1c
SHA3-384 hash: d3d1949da2c2a7a41f513b48077c75f4eef6fb3eb1511e9ec573e644aad87b9491d1c66db6d01e2f015efc9f754798a2
SHA1 hash: 8190e22f27de4012331b2644c836fd310d34bd30
MD5 hash: 4be7638fdc46975eeaac9bb5f3939e66
humanhash: berlin-indigo-shade-princess
File name:OUR RFQ#20230911-3.pif.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'363'968 bytes
First seen:2023-05-31 13:20:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:OmyuHw1Lnk+fL6dmliF98uiPCjKfTohyD0mSqn16lqZDmLEi9:O1uQ1zDOASObPCy4Rq160
Threatray 3'514 similar samples on MalwareBazaar
TLSH T12755F27257C2FFF977A60D64DC8A25400C912BFB97985064F9C839AFE2B5530E985CB0
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)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
275
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
OUR RFQ#20230911-3.pif
Verdict:
No threats detected
Analysis date:
2023-05-30 14:51:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a5c3eb47-5c9a-47fb-97b4-5a703fc02dd8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XorStringsNET
Create hunting rule
Link:
https://www.capesandbox.com/analysis/394121/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.67304182.9274.14228.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
barys lolbin
Link:
https://www.filescan.io/uploads/647749bf46e631aa21e27a2e/reports/81eca0a5-b282-4a71-bdba-82ca8fe31284/overview
Verdict:
Malicious
Labled as:
Barys.Generic
Link:
https://www.hybrid-analysis.com/sample/c261674efa44bd9deebcf6b478ffc330fc97f73b8ca586cc8c79ff6de693bd1c
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/1fbcbf1c-bb8b-4098-ade1-dda9ce9d8d3a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1246138
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates multiple autostart registry keys
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
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 the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 879154 Sample: OUR_RFQ#20230911-3.pif.exe Startdate: 31/05/2023 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 8 other signatures 2->55 6 OUR_RFQ#20230911-3.pif.exe 1 6 2->6         started        10 Tapqokj.exe 3 2->10         started        12 Tapqokj.exe 2 2->12         started        14 2 other processes 2->14 process3 file4 31 C:\Users\user\AppData\Roaming\...\Tapqokj.exe, PE32 6->31 dropped 33 C:\Users\user\...\Tapqokj.exe:Zone.Identifier, ASCII 6->33 dropped 35 C:\Users\...\OUR_RFQ#20230911-3.pif.exe.log, ASCII 6->35 dropped 73 Creates multiple autostart registry keys 6->73 75 Writes to foreign memory regions 6->75 77 Injects a PE file into a foreign processes 6->77 16 InstallUtil.exe 17 9 6->16         started        79 Antivirus detection for dropped file 10->79 81 Multi AV Scanner detection for dropped file 10->81 83 Machine Learning detection for dropped file 10->83 21 InstallUtil.exe 8 10->21         started        23 InstallUtil.exe 12->23         started        25 conhost.exe 14->25         started        27 conhost.exe 14->27         started        signatures5 process6 dnsIp7 37 api4.ipify.org 173.231.16.76, 443, 49710 WEBNXUS United States 16->37 39 api.telegram.org 149.154.167.220, 443, 49711, 49712 TELEGRAMRU United Kingdom 16->39 41 api.ipify.org 16->41 29 C:\Users\user\AppData\Roaming\...\Skipe.exe, PE32 16->29 dropped 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->57 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->59 61 May check the online IP address of the machine 16->61 63 Creates multiple autostart registry keys 16->63 43 64.185.227.155, 443, 49713, 49716 WEBNXUS United States 21->43 45 api.ipify.org 21->45 65 Installs a global keyboard hook 21->65 47 api.ipify.org 23->47 67 Tries to steal Mail credentials (via file / registry access) 23->67 69 Tries to harvest and steal browser information (history, passwords, etc) 23->69 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->71 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c261674efa44bd9deebcf6b478ffc330fc97f73b8ca586cc8c79ff6de693bd1c/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-05-29 23:21:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
26 of 37 (70.27%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yjqwotx2is6z33v4622hr76dgd6jp5z3rssyntemph7w3zutxuoa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
09d70a9a22f7bf12c1a6354b1d90d426e1223576d27ba855f6f48d78bf508833
AgentTesla
21a5e58e2fe39e481f9977f94a94d352c4c492e9bd6d79d4ae3bbf4cc4a2d751
AgentTesla
4ab4ed9170d6a77d6c4a3c4716b94fc3aa9bbed1ee6eb631736d98a5a5d6b791
AgentTesla
6af32493cdcc6bcecccd6941fbe2b26f438a240dc32ad5eff26da1f9286cf0fe
AgentTesla
93bc8b052ab504548c2bd80aad36a2c4ebea09d06db56dbaedf16109da7daf5c
AgentTesla
9d704258d1eb77247613ac40d7846e47862178d827a6759d58a06a687e9f99a8
AgentTesla
aa68121f50bc718bfec09a7a0686ad001d01a9cbe85f36849a649c4b6e55006d
AgentTesla
affbd34bdaf31dc32de0d83100925f880bea333c43dcaf0646cc5bd57e17066b
AgentTesla
d5e90ce1f8eb541722c1fca05abb1f729b7a886c44c9aa93b1477a6183c9476e
AgentTesla
d9982a982ec8f835931a321a6610c3e90db3275ce20fa403ad0cfa70a96194ea
AgentTesla
+ 3'504 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230531-qlmmrafe51/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6046588611:AAHngFJgBz0aLCEYl_UqtwxXWVphGujriz0/
Unpacked files
SH256 hash:
c261674efa44bd9deebcf6b478ffc330fc97f73b8ca586cc8c79ff6de693bd1c
MD5 hash:
4be7638fdc46975eeaac9bb5f3939e66
SHA1 hash:
8190e22f27de4012331b2644c836fd310d34bd30
Link:
https://www.unpac.me/results/2ff09b5e-7ccc-49dd-a23c-aa8ae9d2d059/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c261674efa44/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/c261674efa44bd9deebcf6b478ffc330fc97f73b8ca586cc8c79ff6de693bd1c

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Create hunting rule
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/394121/

Comments