MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 277e24866f14e56d5579dad72d309676a55f8fb446085be4679cd42b61eee918. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 277e24866f14e56d5579dad72d309676a55f8fb446085be4679cd42b61eee918
SHA3-384 hash: b7269cd939188bddea3d78d074e79d4e74351c266a0b47718a26a5b0e5186b5a211dcd013daa7e4211ada7153787208b
SHA1 hash: 1f75de7f58f02640d65332cc6112fbe94e356699
MD5 hash: 32f2d7c0a6af9eb96bc8a9f18a95250d
humanhash: arizona-tennis-december-lion
File name:IMG_2560_07588pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:2'774'528 bytes
First seen:2023-06-09 07:33:01 UTC
Last seen:2023-06-13 20:13:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:nFQ24ZXcZ+sVM/urmZVeVBIRZFP8T5MizxHW1mSNAvRI:nsm+RxzeVBmZd8ONAZ
TLSH T13ED5E6407EFBED9BD9B7BBB290C122B15660F481270BD35B4047027F4653B839D629BA
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 cocaman
Tags:AgentTesla exe payment

Intelligence

File Origin
# of uploads :
9
# of downloads :
257
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IMG_2560_07588pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-06-09 07:35:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ef3bbea1-a2cb-4e90-95f8-b6a709939707

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/397258/
Detection(s):
Sanesecurity.Rogue.0hr.20230606-1434.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Creating a window
Setting a single autorun event
Stealing user critical data
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cmd.exe lolbin
Link:
https://www.filescan.io/uploads/6482d5b0c80dd194496c17f0/reports/3e53495e-3e15-48b2-8d2f-8c0608d9ceb2/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/277e24866f14e56d5579dad72d309676a55f8fb446085be4679cd42b61eee918
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/0eb7ad61-abfd-4ade-b6be-4a155af8d3b8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1251735
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
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
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
Sigma detected: RegAsm connects to smtp port
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 884754 Sample: IMG_2560_07588pdf.exe Startdate: 09/06/2023 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 5 other signatures 2->55 7 IMG_2560_07588pdf.exe 4 2->7         started        11 IMG_2560_07588pdf.exe 2 2->11         started        13 IMG_2560_07588pdf.exe 2 2->13         started        process3 file4 29 C:\Users\user\...\IMG_2560_07588pdf.exe, PE32 7->29 dropped 31 C:\...\IMG_2560_07588pdf.exe:Zone.Identifier, ASCII 7->31 dropped 33 C:\Users\user\...\IMG_2560_07588pdf.exe.log, CSV 7->33 dropped 57 Writes to foreign memory regions 7->57 59 Allocates memory in foreign processes 7->59 61 Injects a PE file into a foreign processes 7->61 63 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->63 15 RegAsm.exe 15 2 7->15         started        19 cmd.exe 1 7->19         started        65 Antivirus detection for dropped file 11->65 67 Multi AV Scanner detection for dropped file 11->67 69 Machine Learning detection for dropped file 11->69 21 WerFault.exe 3 10 11->21         started        23 WerFault.exe 10 13->23         started        signatures5 process6 dnsIp7 35 server1.sqsendy.shop 63.250.35.178, 49720, 587 NAMECHEAP-NETUS United States 15->35 37 api4.ipify.org 104.237.62.211, 443, 49719 WEBNXUS United States 15->37 39 api.ipify.org 15->39 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->41 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->43 45 May check the online IP address of the machine 15->45 47 2 other signatures 15->47 25 conhost.exe 19->25         started        27 reg.exe 1 1 19->27         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/277e24866f14e56d5579dad72d309676a55f8fb446085be4679cd42b61eee918/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2023-06-06 06:34:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e57cjbtpctsw2vlz3lls2mewo2sv7d5uiyefxzdhttkcwypo5ema._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230609-jdj4bscb6y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
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:
967cf78002694aabdcf5e5fcbed4f4dbf947b1f40b6230962112bb797c4f9f0f
MD5 hash:
22c541b13d2cc944b5194fbcdb6d58bc
SHA1 hash:
8ca9b79e58580e0496612f0858b8ca0f360eef68
Link:
https://www.unpac.me/results/08167d98-8feb-4720-848c-eeec08da1f9f/
SH256 hash:
681782487b890e534bc31829910a577c0f9001792669971fcaad947dab8c5349
MD5 hash:
518964cae37b32720d5b1171b5a8f53e
SHA1 hash:
7ecc18551ac20ec50de8f3d6c5f776a15b037f35
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/08167d98-8feb-4720-848c-eeec08da1f9f/
Parent samples :
8d5c1c2c36fa33336d0173c396671ac747170a070f9d1c7821daa74543972e89
277e24866f14e56d5579dad72d309676a55f8fb446085be4679cd42b61eee918
SH256 hash:
277e24866f14e56d5579dad72d309676a55f8fb446085be4679cd42b61eee918
MD5 hash:
32f2d7c0a6af9eb96bc8a9f18a95250d
SHA1 hash:
1f75de7f58f02640d65332cc6112fbe94e356699
Link:
https://www.unpac.me/results/08167d98-8feb-4720-848c-eeec08da1f9f/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/277e24866f14/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/277e24866f14e56d5579dad72d309676a55f8fb446085be4679cd42b61eee918

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.

Malspam

AgentTesla

7z 46c7b5f4d83c829fb2a1e075a2beeee277467f4635b166d088933d70118911ee

AgentTesla

Executable exe 277e24866f14e56d5579dad72d309676a55f8fb446085be4679cd42b61eee918

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 46c7b5f4d83c829fb2a1e075a2beeee277467f4635b166d088933d70118911ee
Cape
Cape
https://www.capesandbox.com/analysis/397258/
  
Dropped by
MD5 9e936b8d6f5788a9973d48100ddaf51a

Comments