MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd5afb25fb90fab49b4623b7d2005004fabec7c32685c3ac056919e56aaed18c. 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 15 File information Comments

SHA256 hash: cd5afb25fb90fab49b4623b7d2005004fabec7c32685c3ac056919e56aaed18c
SHA3-384 hash: 2877591af5e9da5e577a8456075c6da0dc4f3a1e1bd8eda6e23ff41731268180ecd50aef07fa334114fbf4658549d85e
SHA1 hash: fc601ede22fa5c8d9245245b55279ee35645ccf6
MD5 hash: 794703ad8644c301902d32d347e833f8
humanhash: juliet-south-mirror-arkansas
File name:SecuriteInfo.com.Trojan.PackedNET.2658.21780.19821
Download: download sample
Signature AgentTesla
File size:1'094'144 bytes
First seen:2024-02-01 15:28:21 UTC
Last seen:2024-02-01 16:21:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:tmMyUvr9FJqd53rD22DUH8sDaPqNUCg99kjqCiKSRx/TIFUQ2/E/2RXZaftrSl0:oMyUvZFcrDWH8s2PnkzbSRx/0UEupG3
Threatray 5'310 similar samples on MalwareBazaar
TLSH T1A135CF846AB04B10E83EA7F44035C13097717D5AB52EEB4C9EC1B8FB3EBBB414956A17
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0c4 (63 x Formbook, 23 x AgentTesla, 8 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
507
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
cd5afb25fb90fab49b4623b7d2005004fabec7c32685c3ac056919e56aaed18c.exe
Verdict:
Malicious activity
Analysis date:
2024-02-01 15:32:38 UTC
Tags:
agenttesla stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
AgentTesla, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1384985 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 01/02/2024 Architecture: WINDOWS Score: 100 27 us2.smtp.mailhostbox.com 2->27 29 api4.ipify.org 2->29 31 api.ipify.org 2->31 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->51 53 9 other signatures 2->53 7 SecuriteInfo.com.Trojan.PackedNET.2658.21780.19821.exe 3 2->7         started        10 NouyJ.exe 3 2->10         started        12 NouyJ.exe 2 2->12         started        signatures3 process4 signatures5 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 Injects a PE file into a foreign processes 7->57 14 SecuriteInfo.com.Trojan.PackedNET.2658.21780.19821.exe 16 5 7->14         started        59 Multi AV Scanner detection for dropped file 10->59 61 Machine Learning detection for dropped file 10->61 19 NouyJ.exe 14 2 10->19         started        21 NouyJ.exe 12->21         started        process6 dnsIp7 33 api4.ipify.org 104.237.62.212, 443, 49731, 49736 WEBNXUS United States 14->33 35 us2.smtp.mailhostbox.com 208.91.198.143, 49733, 49743, 49744 PUBLIC-DOMAIN-REGISTRYUS United States 14->35 23 C:\Users\user\AppData\Roaming\...23ouyJ.exe, PE32 14->23 dropped 25 C:\Users\user\...25ouyJ.exe:Zone.Identifier, ASCII 14->25 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Tries to steal Mail credentials (via file / registry access) 14->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->41 43 Tries to harvest and steal browser information (history, passwords, etc) 21->43 45 Installs a global keyboard hook 21->45 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2024-02-01 08:19:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
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
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:
d2cf3273461ffa1b29715828f358368312ae4f08a731f4e449a44f6dc50e26c5
MD5 hash:
df7936d5ea0c80f3003b445c7f8deb44
SHA1 hash:
b995b22e77a11cda256e84a01ccadb85451460ed
SH256 hash:
a91462e9c8e5d78d4047a80eb89a38c6e76e5d4cf6ac8ff7142e19bb7ecfbb82
MD5 hash:
b3200a8295f2098fa0078754ab6728ce
SHA1 hash:
b84d3cbebfd2eb9822664ca47fe56e6ee95e0ddc
SH256 hash:
cf4df1120b4646e5c298f62a80544e12b89b1dc6cd9cc97310b2f98982c42f90
MD5 hash:
a5dc3e8471c18518f708147bb4799488
SHA1 hash:
97c2014cbc49f24e35c314db8886e531a0d3e10a
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
b11028aa18c4cec3bb2af3766363fc736b4f678df4bf50f23cf128df7a8c0171
MD5 hash:
4d94c2268066a67af875cf4eb8c3aaaf
SHA1 hash:
4d0ed307f28ddb8bb41667fa603e86d6455d6f79
SH256 hash:
3014b859be7cafca84f61ab3398e0832d80175d76dc6ff4a45df7b2fef39dcaf
MD5 hash:
17cbde8bc5d57e164c1daa95d1b37d0b
SHA1 hash:
4856da540fd30d018fa511c9ce705871e1e2affa
SH256 hash:
cd5afb25fb90fab49b4623b7d2005004fabec7c32685c3ac056919e56aaed18c
MD5 hash:
794703ad8644c301902d32d347e833f8
SHA1 hash:
fc601ede22fa5c8d9245245b55279ee35645ccf6
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security

File information


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

Comments