MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ff74fcd1612681df0dfde60f997141935a1f802bbff47be49f1fcf99b3b3982. 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 3 File information Comments
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SHA256 hash: 2ff74fcd1612681df0dfde60f997141935a1f802bbff47be49f1fcf99b3b3982
SHA3-384 hash: 87261cbb5c033038617b6b8a8755d4255208eb695c49318131f319b78e382bcd62301aace0b8550b78e41edebdd4b934
SHA1 hash: 12844a806a7fea8ecd56e1fa2cca05d136d2dd7e
MD5 hash: 27ee0221771b3adbf03377147d9e0d9c
humanhash: comet-west-stairway-oranges
File name:Transferir copia________________pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:559'104 bytes
First seen:2024-06-15 07:42:11 UTC
Last seen:2024-06-15 15:22:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:WgXvqwlQ904/4ISZ8cNemQtE0ecgI4pu5:Wqqwm9D4ISZtNemQtJBgQ5
Threatray 1'128 similar samples on MalwareBazaar
TLSH T134C4B6177AA689E0F395AF37C97A040093B4FD452797FE8EE489634B84A37A6CC03517
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
345
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
2ff74fcd1612681df0dfde60f997141935a1f802bbff47be49f1fcf99b3b3982.exe
Verdict:
Malicious activity
Analysis date:
2024-06-15 07:43:28 UTC
Tags:
evasion smtp agenttesla stealer
Link:
https://app.any.run/tasks/6978ce52-60a9-4881-b57f-e0428f6b2790

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.31412.19228.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=666d47ca9172918f990f94bewin7simulatehigh_evasion
Tags:
Stealth Dldr
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
89%
Tags:
masquerade net_reactor packed
Link:
https://www.filescan.io/uploads/666d460721581a92819d213c/reports/88915705-753b-430f-b76e-99cfcf70976e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/2ff74fcd1612681df0dfde60f997141935a1f802bbff47be49f1fcf99b3b3982
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/8709e0a4-e0e9-4198-a230-8dc53435d5fb
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1457732
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Antivirus detection for URL or domain
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1457732 Sample: Transferir copia___________... Startdate: 15/06/2024 Architecture: WINDOWS Score: 100 34 wassadadvogados.com.br 2->34 36 nexoproducciones.cl 2->36 38 2 other IPs or domains 2->38 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for domain / URL 2->52 54 Found malware configuration 2->54 56 17 other signatures 2->56 7 Transferir copia________________pdf.exe 15 5 2->7         started        12 Aoxcc.exe 14 3 2->12         started        14 Aoxcc.exe 2->14         started        signatures3 process4 dnsIp5 40 nexoproducciones.cl 104.21.10.178, 443, 49731, 49735 CLOUDFLARENETUS United States 7->40 24 C:\Users\user\AppData\Roaming\Aoxcc.exe, PE32 7->24 dropped 26 C:\Users\user\...\Aoxcc.exe:Zone.Identifier, ASCII 7->26 dropped 28 Transferir copia__...________pdf.exe.log, ASCII 7->28 dropped 58 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->58 60 Injects a PE file into a foreign processes 7->60 16 Transferir copia________________pdf.exe 2 7->16         started        62 Multi AV Scanner detection for dropped file 12->62 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->64 66 Machine Learning detection for dropped file 12->66 20 Aoxcc.exe 2 12->20         started        22 Aoxcc.exe 14->22         started        file6 signatures7 process8 dnsIp9 30 ip-api.com 208.95.112.1, 49732, 49738, 49746 TUT-ASUS United States 16->30 32 wassadadvogados.com.br 191.252.141.106, 49733, 49734, 49741 LocawebServicosdeInternetSABR Brazil 16->32 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->42 44 Tries to steal Mail credentials (via file / registry access) 22->44 46 Tries to harvest and steal ftp login credentials 22->46 48 Tries to harvest and steal browser information (history, passwords, etc) 22->48 signatures10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2ff74fcd1612681df0dfde60f997141935a1f802bbff47be49f1fcf99b3b3982
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2ff74fcd1612681df0dfde60f997141935a1f802bbff47be49f1fcf99b3b3982/
Threat name:
Win32.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2024-06-14 15:22:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f73u7tiwcjub34g73zqptfyude22d6acxp7uppsj6h6ptgz3hgba._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
2ff74fcd1612681df0dfde60f997141935a1f802bbff47be49f1fcf99b3b3982
AgentTesla
475bf2a23c54406a6f6e4ac69ec99e6f2f7758e994b8b68d6bab71af54a358f2
AgentTesla
7ecf055419ccb76a13fa53d8f5c5888ea369271ceaad4263f952da6d265c4c41
AgentTesla
8b8d68a47897fc7f8612ad932aec65de7e5523d2ed7619dadb686f1c1adeab80
AgentTesla
a91ca6aaad29b8fa67243ec564545d39653a99b127e0a20a3f9d0ea86283a8c6
AgentTesla
b17bb3acfdbdc750bc117c6e973019d71f6f182b64ed4e680746ac6604158c18
AgentTesla
+ 1'118 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240615-jj8zmswemq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads WinSCP keys stored on the system
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:
2ff74fcd1612681df0dfde60f997141935a1f802bbff47be49f1fcf99b3b3982
MD5 hash:
27ee0221771b3adbf03377147d9e0d9c
SHA1 hash:
12844a806a7fea8ecd56e1fa2cca05d136d2dd7e
Link:
https://www.unpac.me/results/fb4d1218-8b44-401c-8109-38546e177b24/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2ff74fcd1612/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/2ff74fcd1612681df0dfde60f997141935a1f802bbff47be49f1fcf99b3b3982

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:NET
Create hunting rule
Author:malware-lu
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

Executable exe 2ff74fcd1612681df0dfde60f997141935a1f802bbff47be49f1fcf99b3b3982

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments