MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77644c9d032645a91eb6b269e9fe3abd3c5821a7911d5214dd295f2c49e448d1. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77644c9d032645a91eb6b269e9fe3abd3c5821a7911d5214dd295f2c49e448d1
SHA3-384 hash: 9d94fd4e206ac94a309e8b5b1c2eccf7b13c1a678c91f4a9f6fef0a9ecb1a67f4df310576586e60ea8f47fc16cc0b622
SHA1 hash: ec389cbe70ffa5453c333af8b2f1fe820c0c337d
MD5 hash: 2d843bf940124944952caa0fbedd0251
humanhash: asparagus-twenty-cola-princess
File name:Bank Slip.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:316'782 bytes
First seen:2023-06-06 13:00:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 3072:5fY/TU9fE9PEtu13b3eGFx9jQsYJCWnhw0YDdV2dlCQCTTlOyZA9nThCmvsA8KLz:lYa6DrtjkCyhcq8lONTAjmknu9O1OuO
Threatray 3'360 similar samples on MalwareBazaar
TLSH T11B64120416C0E8A3DEEB66723D371EE736A1F51770A9679F2715A1483933A82D10FB53
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 48d4f4f0f0f0d8c0 (37 x RedLineStealer, 18 x AgentTesla, 9 x SnakeKeylogger)
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:
Bank Slip.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-06-06 13:02:34 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/88245d62-0be8-4dec-a9db-1f50f941191a

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/396130/
Detection(s):
Sanesecurity.Malware.28885.BadCo.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Reading critical registry keys
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/89622/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/647f2f76ec981ee326c543ca/reports/73dc5c36-02ce-4d0a-a451-1e603bee435a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/77644c9d032645a91eb6b269e9fe3abd3c5821a7911d5214dd295f2c49e448d1
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/80867a77-9fc2-419b-8fc3-a687da9398ae
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1249552
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
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 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 an obfuscated file name to hide its real file extension (double extension)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 882572 Sample: Bank_Slip.pdf.exe Startdate: 06/06/2023 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Multi AV Scanner detection for dropped file 2->46 48 8 other signatures 2->48 6 wgcluqajfoktc.exe 19 2->6         started        10 Bank_Slip.pdf.exe 1 21 2->10         started        12 wgcluqajfoktc.exe 19 2->12         started        process3 file4 22 C:\Users\user\AppData\Local\...\ylhsdpj.dll, PE32 6->22 dropped 50 Multi AV Scanner detection for dropped file 6->50 52 Detected unpacking (changes PE section rights) 6->52 54 Detected unpacking (creates a PE file in dynamic memory) 6->54 56 Machine Learning detection for dropped file 6->56 14 wgcluqajfoktc.exe 14 2 6->14         started        24 C:\Users\user\AppData\...\wgcluqajfoktc.exe, PE32 10->24 dropped 26 C:\Users\user\AppData\Local\...\ylhsdpj.dll, PE32 10->26 dropped 58 Detected unpacking (overwrites its own PE header) 10->58 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->60 62 May check the online IP address of the machine 10->62 64 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->64 18 Bank_Slip.pdf.exe 15 2 10->18         started        28 C:\Users\user\AppData\Local\...\ylhsdpj.dll, PE32 12->28 dropped 66 Maps a DLL or memory area into another process 12->66 20 wgcluqajfoktc.exe 2 12->20         started        signatures5 process6 dnsIp7 30 173.231.16.76, 443, 49700, 49701 WEBNXUS United States 14->30 32 api.ipify.org 14->32 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->68 70 Tries to steal Mail credentials (via file / registry access) 14->70 72 Tries to harvest and steal browser information (history, passwords, etc) 14->72 34 api4.ipify.org 104.237.62.211, 443, 49698 WEBNXUS United States 18->34 36 api.telegram.org 149.154.167.220, 443, 49699, 49702 TELEGRAMRU United Kingdom 18->36 38 api.ipify.org 18->38 74 Installs a global keyboard hook 18->74 40 api.ipify.org 20->40 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/77644c9d032645a91eb6b269e9fe3abd3c5821a7911d5214dd295f2c49e448d1/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-06-06 04:30:04 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o5sezhidezc2shvwwju6t7r2xu6fqinhseovefg5ffpsyspejdiq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
251ca0215e976403d529fba60bd67ca614a3e6b18a7f2420c64acbf31400ed7c
AgentTesla
2ce7d781b4110aea5d90e86a8798e44516a33724c212e4b6099cb4babb7090d0
AgentTesla
529bb27de4876e215a65d62f1166d244bf8d16396a4cae982af3900260bd68e9
AgentTesla
91a7a9da0f5b9adfa5b7f1b3a296b3ad453c00b050a18b3ddd99f693d4962be3
AgentTesla
aa68121f50bc718bfec09a7a0686ad001d01a9cbe85f36849a649c4b6e55006d
AgentTesla
b6f722fd8ecb1b6116c8755a385ade64a3155792bf053bfa9d477b4a94eb6132
AgentTesla
+ 3'350 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/230606-p87qrsec3s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6184523987:AAFjV1tTVCqtXbOZ1gFQ2WG41XJuZlG6NkQ/
Unpacked files
SH256 hash:
77644c9d032645a91eb6b269e9fe3abd3c5821a7911d5214dd295f2c49e448d1
MD5 hash:
2d843bf940124944952caa0fbedd0251
SHA1 hash:
ec389cbe70ffa5453c333af8b2f1fe820c0c337d
Link:
https://www.unpac.me/results/57db5736-94f2-48ef-8295-42064a339766/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/77644c9d0326/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/77644c9d032645a91eb6b269e9fe3abd3c5821a7911d5214dd295f2c49e448d1

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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/396130/

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