MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0ab45b0099b4bd92da2c5af6207914438fe27768ba3e69168dabe6f1a57b7c5. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a0ab45b0099b4bd92da2c5af6207914438fe27768ba3e69168dabe6f1a57b7c5
SHA3-384 hash: 0ae6da539df0f531eb053d5552daf289eafe316d793db8e43480075704e14330ed59f8b1e03c0688c75846728df9f3be
SHA1 hash: 4eb7a7e06cfdcb268367486edd66dfc76b503dbe
MD5 hash: dac1f2dea021a78814e506c6208e77fc
humanhash: zebra-golf-six-helium
File name:TRANSFER-COPY-TT.PDF.bat
Download: download sample
Signature AgentTesla
Create hunting rule
File size:2'936'320 bytes
First seen:2023-08-09 17:37:01 UTC
Last seen:2023-08-09 18:56:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4be9cf61fbea6eb1f9072ab06ecee6cd (1 x AgentTesla)
ssdeep 24576:pgJvZOjeZ7m6eEG9Nev1IkCuW+ORhTKCs0typzPmZNFGbLXSyP44jM:pg6a7BRGL0IkCX+OjvIpzPmZNFaXSL
Threatray 1 similar samples on MalwareBazaar
TLSH T165D59E19A39509E4D016CA30C92A9733E3B1F9561730F39B0966D7962F736B28F7B213
TrID 43.3% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
27.6% (.EXE) Win64 Executable (generic) (10523/12/4)
13.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) OS/2 Executable (generic) (2029/13)
5.2% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter abuse_ch
Tags:AgentTesla bat exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
278
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
TRANSFER-COPY-TT.PDF.bat
Verdict:
Malicious activity
Analysis date:
2023-08-09 17:38:32 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/5cbf1c95-f412-41bd-9304-eef76a0e2954

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/441727/
Detection(s):
SecuriteInfo.com.Win64.DropperX-gen.8394.27222.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/a0ab45b0099b4bd92da2c5af6207914438fe27768ba3e69168dabe6f1a57b7c5
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/8c05d6c9-b810-4d68-abd0-e68f81ebe690
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1288818
Signature
Allocates memory in foreign processes
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
Installs a global keyboard hook
May check the online IP address of the machine
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a0ab45b0099b4bd92da2c5af6207914438fe27768ba3e69168dabe6f1a57b7c5/
Threat name:
Win64.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-08-09 12:58:47 UTC
File Type:
PE+ (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ucvulmajtnf5slncywxweb4riq4p4j3wror6neli3k7g6gsxw7cq._file
Verdict:
malicious
Similar samples:
773c134b8adcacd6d1bece2afb10b997c913c79a8ac4f8e29e0b564be86d57f3
AgentTesla
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Link:
https://tria.ge/reports/230809-v65raadh78/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Unpacked files
SH256 hash:
a0ab45b0099b4bd92da2c5af6207914438fe27768ba3e69168dabe6f1a57b7c5
MD5 hash:
dac1f2dea021a78814e506c6208e77fc
SHA1 hash:
4eb7a7e06cfdcb268367486edd66dfc76b503dbe
Link:
https://www.unpac.me/results/f423dbac-c2b7-44b9-821d-f7e53d484df2/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a0ab45b0099b/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/a0ab45b0099b4bd92da2c5af6207914438fe27768ba3e69168dabe6f1a57b7c5

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Create hunting rule
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe a0ab45b0099b4bd92da2c5af6207914438fe27768ba3e69168dabe6f1a57b7c5

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/441727/

Comments