MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7f74a4a8f3119dd1d215487647368730869660f30225e0166b101662e45a1d4. 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: 18


Intelligence 18 IOCs YARA 18 File information Comments

SHA256 hash: c7f74a4a8f3119dd1d215487647368730869660f30225e0166b101662e45a1d4
SHA3-384 hash: 7c2f408fefc04a0f57f34854270bbcde76e440373f14718f0771d91ad1bfa04969cc9a673a5f0c620916eb2402c3d6ae
SHA1 hash: d155959d78d025eb5aa5a134abb7bf4bbff1ecd8
MD5 hash: 40ece1efdce9476425214d407d606fa8
humanhash: florida-twenty-finch-pennsylvania
File name:Quotation 22001625_REV001.exe
Download: download sample
Signature AgentTesla
File size:664'576 bytes
First seen:2024-04-17 09:22:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:zyAmmu7JgstNTImUN09f/2GodDEfUNORmcMZQCXv0+gF/cRL4Jx2cWjoI:1ru7FXsNkf+GSDPwmccXv4K0jrA
Threatray 601 similar samples on MalwareBazaar
TLSH T187E42340517D9B67ECF9AFF48559004843F2F23D3D62E3A92DD651EA11AEF848C26A33
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 cocaman
Tags:AgentTesla exe QUOTATION

Intelligence


File Origin
# of uploads :
1
# of downloads :
373
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
c7f74a4a8f3119dd1d215487647368730869660f30225e0166b101662e45a1d4.exe
Verdict:
Malicious activity
Analysis date:
2024-04-17 09:24:22 UTC
Tags:
agenttesla stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Moving a file to the Program Files subdirectory
Replacing files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
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
Loading BitLocker PowerShell Module
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1427269 Sample: Quotation 22001625_REV001.exe Startdate: 17/04/2024 Architecture: WINDOWS Score: 100 55 mail.allengers.net 2->55 57 api.ipify.org 2->57 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Sigma detected: Scheduled temp file as task from temp location 2->67 69 11 other signatures 2->69 8 Quotation 22001625_REV001.exe 7 2->8         started        12 hYbHOZpBFCY.exe 5 2->12         started        14 My App.exe 2->14         started        16 My App.exe 2->16         started        signatures3 process4 file5 51 C:\Users\user\AppData\...\hYbHOZpBFCY.exe, PE32 8->51 dropped 53 C:\Users\user\AppData\Local\...\tmpE524.tmp, XML 8->53 dropped 83 Writes to foreign memory regions 8->83 85 Allocates memory in foreign processes 8->85 87 Adds a directory exclusion to Windows Defender 8->87 89 Injects a PE file into a foreign processes 8->89 18 RegSvcs.exe 16 4 8->18         started        23 powershell.exe 23 8->23         started        25 powershell.exe 23 8->25         started        27 schtasks.exe 1 8->27         started        91 Multi AV Scanner detection for dropped file 12->91 93 Machine Learning detection for dropped file 12->93 29 RegSvcs.exe 12->29         started        31 schtasks.exe 12->31         started        33 RegSvcs.exe 12->33         started        35 conhost.exe 14->35         started        37 conhost.exe 16->37         started        signatures6 process7 dnsIp8 59 api.ipify.org 172.67.74.152, 443, 49714, 49717 CLOUDFLARENETUS United States 18->59 49 C:\Users\user\AppData\Roaming\...\My App.exe, PE32 18->49 dropped 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->71 73 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->73 75 Loading BitLocker PowerShell Module 23->75 39 WmiPrvSE.exe 23->39         started        41 conhost.exe 23->41         started        43 conhost.exe 25->43         started        45 conhost.exe 27->45         started        61 mail.allengers.net 103.143.84.46, 49719, 587 CONJOINIXTS-AS-INConjoinixTotalSolutionsPrivateLimited India 29->61 77 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->77 79 Tries to steal Mail credentials (via file / registry access) 29->79 81 Tries to harvest and steal browser information (history, passwords, etc) 29->81 47 conhost.exe 31->47         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2024-04-17 07:06:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
1c633f39a192f108f755e0bcf412e8489ad80781f3b7807c80892deb2526ff0d
MD5 hash:
e4b5d57e9e46a4e76075b5b92f71577f
SHA1 hash:
d76dc165724148193c6911cc75fc62c198737d3a
SH256 hash:
7072125b01e87b136e0e468cb78003fdcc640609c1b6f5986d40174d61e5dd6f
MD5 hash:
26ade83e6d412e352e7309ee6f505441
SHA1 hash:
6ec954155058271f3ba2472cc4efa4e04acc018f
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:
e8d5a9219e8af1cf0ed3c2dffaeee22b38da4ea86d02502ea3e48e6da80dc40e
MD5 hash:
eb53f8b2ad757b9fdaaa04ccf238a125
SHA1 hash:
698712042011f2ee4c9a014912920c82b0a230d2
SH256 hash:
703bc1db605cc65be8e6994bf958a5453d0b1c51e10dba6833748e6609bc0dca
MD5 hash:
77f8ef4f2bd5aee8b2e3eb87f830d840
SHA1 hash:
2080fa940b3cdae6080920a48f48f603b73b0f42
SH256 hash:
c7f74a4a8f3119dd1d215487647368730869660f30225e0166b101662e45a1d4
MD5 hash:
40ece1efdce9476425214d407d606fa8
SHA1 hash:
d155959d78d025eb5aa5a134abb7bf4bbff1ecd8
Malware family:
AgentTesla
Verdict:
Malicious
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:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 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_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information


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

Malspam

AgentTesla

Executable exe c7f74a4a8f3119dd1d215487647368730869660f30225e0166b101662e45a1d4

(this sample)

  
Delivery method
Other

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 (HIGH_ENTROPY_VA)high

Comments