MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb6670f4f7b6a07c25f521019626dbd56cd7a2d4ffbb754769a3dc0e4fe713ec. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb6670f4f7b6a07c25f521019626dbd56cd7a2d4ffbb754769a3dc0e4fe713ec
SHA3-384 hash: ba1585c4309d3b656ce94d7c8bf3d63863e5a88c1b98e4795cb9f60ccc911e8406b74d0ec383b57aaa8619cbc35db6d7
SHA1 hash: b93e8aec68e05730de4b9b2abe14190f7e8f3e58
MD5 hash: 6b922539f1cbc89ca73ac0d9bc5df9a0
humanhash: purple-foxtrot-robin-freddie
File name:IMG_011160528.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:68'472 bytes
First seen:2024-05-17 05:06:19 UTC
Last seen:2024-05-17 05:14:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 1536:V04E/c6ODf/L/EYonabLDnXW+6RFJT9Z8BJQ2rs3hGH:2/7/FJBZMJQ2rpH
TLSH T10E634B8893D58E56F4BD4BBBA8F1E64007B5FA125F63D34F1B9860550DB3F828960B32
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)
File icon (PE):PE icon
dhash icon 1464ec8c36c1958e (3 x AgentTesla, 1 x AZORult)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
337
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
cb6670f4f7b6a07c25f521019626dbd56cd7a2d4ffbb754769a3dc0e4fe713ec.exe
Verdict:
Malicious activity
Analysis date:
2024-05-17 05:08:37 UTC
Tags:
payload evasion stealer agenttesla exfiltration
Link:
https://app.any.run/tasks/552dc5ed-2bee-4c3e-85f4-103819f2629e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Program.Unwanted.4610.19582.29014.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Reading critical registry keys
Creating a window
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a process with a hidden window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed packed smartassembly smart_assembly
Link:
https://www.filescan.io/uploads/6646e5f6bc04dffa921d4350/reports/45391e78-0c38-4f27-9c3d-27958a6f56b4/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/cb6670f4f7b6a07c25f521019626dbd56cd7a2d4ffbb754769a3dc0e4fe713ec
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/01877db4-9b2e-491b-be40-aeef48bd5a7f
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1443099
Signature
.NET source code contains potential unpacker
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Sigma detected: RegAsm connects to smtp port
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 PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1443099 Sample: IMG_011160528.exe Startdate: 17/05/2024 Architecture: WINDOWS Score: 100 30 api.ipify.org 2->30 44 Snort IDS alert for network traffic 2->44 46 Multi AV Scanner detection for domain / URL 2->46 48 Found malware configuration 2->48 50 9 other signatures 2->50 7 IMG_011160528.exe 16 5 2->7         started        12 uvef.exe 2 2->12         started        14 uvef.exe 14 3 2->14         started        signatures3 process4 dnsIp5 32 98.142.254.109, 49735, 49738, 49746 VELCOMCA Canada 7->32 24 C:\Users\user\AppData\Roaming\uvef.exe, PE32 7->24 dropped 52 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->52 16 RegAsm.exe 14 2 7->16         started        20 RegAsm.exe 12->20         started        54 Multi AV Scanner detection for dropped file 14->54 22 RegAsm.exe 2 14->22         started        file6 signatures7 process8 dnsIp9 26 66.29.151.236, 49737, 49747, 49749 ADVANTAGECOMUS United States 16->26 28 api.ipify.org 104.26.12.205, 443, 49736, 49745 CLOUDFLARENETUS United States 16->28 34 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->34 36 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->36 38 Tries to steal Mail credentials (via file / registry access) 20->38 40 Tries to harvest and steal ftp login credentials 20->40 42 Tries to harvest and steal browser information (history, passwords, etc) 20->42 signatures10
Score:
94%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cb6670f4f7b6a07c25f521019626dbd56cd7a2d4ffbb754769a3dc0e4fe713ec
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cb6670f4f7b6a07c25f521019626dbd56cd7a2d4ffbb754769a3dc0e4fe713ec/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-05-16 10:26:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=znthb5hxw2qhyjpveeazmjw32vwnpiwu765xkr3jupoa4t7hcpwa._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240517-frzjdsaf3y/
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:
cb6670f4f7b6a07c25f521019626dbd56cd7a2d4ffbb754769a3dc0e4fe713ec
MD5 hash:
6b922539f1cbc89ca73ac0d9bc5df9a0
SHA1 hash:
b93e8aec68e05730de4b9b2abe14190f7e8f3e58
Detections:
PureCrypter_Stage1
Create hunting rule
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/3aafb0d8-4954-46aa-a121-104181c9fc2b/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cb6670f4f7b6/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/cb6670f4f7b6a07c25f521019626dbd56cd7a2d4ffbb754769a3dc0e4fe713ec

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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 cb6670f4f7b6a07c25f521019626dbd56cd7a2d4ffbb754769a3dc0e4fe713ec

(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