MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff28011a44edce3e1e5053e4dd360f389452cb23967d6461df688e38d767ba98. 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 3 File information Comments

SHA256 hash: ff28011a44edce3e1e5053e4dd360f389452cb23967d6461df688e38d767ba98
SHA3-384 hash: 27451b85a759b3cea398fc8466d55d3a71b4c111a2e6f1e3c8e294d99bdb8528b578aef70081c86992c4c2126379553f
SHA1 hash: 07d74a166bb11677db68d27d9e4afe7068193fc2
MD5 hash: d772606c91ba7f25c84c46952ad48683
humanhash: muppet-charlie-saturn-moon
File name:rComprobantedepago_PAGOSBBVA_.exe
Download: download sample
Signature AgentTesla
File size:836'608 bytes
First seen:2024-10-22 13:01:21 UTC
Last seen:2024-10-22 13:33:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep 24576:T4GHnhIzOaWJkQAeRqWNRhvKI8+6nxjSF:Mshda0kIRnFK39
TLSH T1F405231476D1E022D2F52774C8324EE41962EC76AE613F17C366D41AFC25B83ED1BA1E
TrID 35.7% (.EXE) UPX compressed Win32 Executable (27066/9/6)
35.0% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
8.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
432
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rComprobantedepago_PAGOSBBVA_.exe
Verdict:
No threats detected
Analysis date:
2024-10-22 13:04:58 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
Autoit
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Launching a process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit compiled-script lolbin microsoft_visual_cc monero packed packed packed packer_detected shell32 upx
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.
Gathering data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
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
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Switches to a custom stack to bypass stack traces
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 steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2024-10-22 13:02:05 UTC
File Type:
PE (Exe)
Extracted files:
50
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Similar samples:
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Looks up external IP address via web service
AgentTesla
Verdict:
Malicious
Tags:
trojan
YARA:
SUSP_Imphash_Mar23_3
Unpacked files
SH256 hash:
f76de7e13236b109f94997a7e83436a3efa5f63726e392516ba364be5619ca22
MD5 hash:
810e7d4fc23dc3fe58dba275217d9281
SHA1 hash:
ff8a2eacbe7a18906b012b688969e171e5724c35
Detections:
win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 MALWARE_Win_AgentTeslaV2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
f8b8cb47554348f6a8e87d0188118d91f10fe9ad5b8b5762c1bcd4e9b8a4e53a
MD5 hash:
44f1d15520236cc20f8db87263e0a8c7
SHA1 hash:
8d69c39d9365534a2c23e827d2d339f71968ac65
Detections:
AutoIT_Compiled
SH256 hash:
ff28011a44edce3e1e5053e4dd360f389452cb23967d6461df688e38d767ba98
MD5 hash:
d772606c91ba7f25c84c46952ad48683
SHA1 hash:
07d74a166bb11677db68d27d9e4afe7068193fc2
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:SUSP_Imphash_Mar23_3
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:upx_largefile
Author:k3nr9

File information


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

Malspam

AgentTesla

Executable exe ff28011a44edce3e1e5053e4dd360f389452cb23967d6461df688e38d767ba98

(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 (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetAce
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetUseConnectionW

Comments