MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1cc692d535fd1ba9ae5c6e115929a553ee6516e2fc76d67a9f0ee78c8dcbfc34. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 1cc692d535fd1ba9ae5c6e115929a553ee6516e2fc76d67a9f0ee78c8dcbfc34
SHA3-384 hash: dab325fbd93b31a5122155c308d213cbaa1264705c17ca33d838cfd8da132e2f5df98397b2d7743091beae094b1e4fea
SHA1 hash: 41a738f1591a88f47e1b8d1bfd8c65237b69e031
MD5 hash: e81593bc790c8bcfde39b94b492f9d40
humanhash: uniform-asparagus-happy-lactose
File name:RFQ.scr
Download: download sample
Signature AgentTesla
File size:21'504 bytes
First seen:2024-03-01 07:51:08 UTC
Last seen:2024-03-01 09:22:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 384:GM8oRhk1a/aHzGxQGwwtLyXtdnaSSKloxmm5tg:GaLia/aCxXRyXtxaSmrs
Threatray 5'387 similar samples on MalwareBazaar
TLSH T1C6A2E75FB69AF612D6DF4E3ADDFBC5C413E5A153E813CB4B244A07090B06399CD8A18B
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon cc693333172b2bd4 (1 x AgentTesla)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
512
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade net_reactor packed stealer
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:
spre.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
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
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 sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: RegAsm connects to smtp port
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1401281 Sample: RFQ.scr.exe Startdate: 01/03/2024 Architecture: WINDOWS Score: 100 15 mail.alualuminium.com.my 2->15 17 alualuminium.com.my 2->17 19 3 other IPs or domains 2->19 29 Found malware configuration 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 Antivirus / Scanner detection for submitted sample 2->33 35 14 other signatures 2->35 7 RFQ.scr.exe 15 3 2->7         started        signatures3 process4 dnsIp5 21 co.agdd4.za.com 109.199.98.3, 443, 49729 SINGLEHOP-LLCUS Bulgaria 7->21 37 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->37 39 Writes to foreign memory regions 7->39 41 Allocates memory in foreign processes 7->41 43 Injects a PE file into a foreign processes 7->43 11 RegAsm.exe 14 2 7->11         started        signatures6 process7 dnsIp8 23 alualuminium.com.my 110.4.45.201, 49732, 49733, 587 EXABYTES-AS-APExaBytesNetworkSdnBhdMY Malaysia 11->23 25 ip-api.com 208.95.112.1, 49731, 80 TUT-ASUS United States 11->25 27 api.ipify.org 104.26.13.205, 443, 49730 CLOUDFLARENETUS United States 11->27 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->47 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->49 51 4 other signatures 11->51 signatures9
Threat name:
ByteCode-MSIL.Trojan.Injuke
Status:
Malicious
First seen:
2024-02-29 23:23:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
1cc692d535fd1ba9ae5c6e115929a553ee6516e2fc76d67a9f0ee78c8dcbfc34
MD5 hash:
e81593bc790c8bcfde39b94b492f9d40
SHA1 hash:
41a738f1591a88f47e1b8d1bfd8c65237b69e031
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 1cc692d535fd1ba9ae5c6e115929a553ee6516e2fc76d67a9f0ee78c8dcbfc34

(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