MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314
SHA3-384 hash: 5308a4d4cc8aa5112aab38c610f70aa8e97a424c47d476f68c47bc3dbae2cf7886cca201d559be18a6f5286e1290ceab
SHA1 hash: 4d9f66bdc24dda4355870001a1e25494bb0e411c
MD5 hash: 9fbf1890e0236da00be34bab1b6979c9
humanhash: video-sixteen-aspen-uniform
File name:Your file name without extension goes here.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'485'273 bytes
First seen:2024-05-21 03:44:29 UTC
Last seen:2024-05-21 04:28:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0560f063e7363d920c1f0f9c018c6a15 (14 x AgentTesla, 2 x Formbook, 2 x RemcosRAT)
ssdeep 24576:OUzKsG5DaqdRk6JSpu1Ho6tsPqXz+ULhOxJ/NDCB32mJ+sz+D8yKnSk6Y8anr/:fr01nz+Ucf/UB3PJ+sKgyKQrar/
Threatray 4'265 similar samples on MalwareBazaar
TLSH T19A65F10E32AE02F1F963D6354D818E85E6B2FC4A4724A78703F865757F232E109BE756
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
317
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe
Verdict:
Malicious activity
Analysis date:
2024-05-21 04:26:12 UTC
Tags:
evasion smtp agenttesla stealer
Link:
https://app.any.run/tasks/4770fcf9-ec04-4e29-9ddc-9ca365ff7b3d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.PWSX-gen.23574.1935.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Tags:
Encryption Network Static Gensteal
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Sending a custom TCP request
Creating a window
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint overlay packed
Link:
https://www.filescan.io/uploads/664c18c9d5791e8ce28984ca/reports/b802ac29-a5a1-4f64-9d13-b42f9a7b4cb0/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/835b589d-2bb8-4f75-a024-a735f0754039
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1444732
Signature
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
Injects a PE file into a foreign processes
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)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1444732 Sample: Your file name without exte... Startdate: 21/05/2024 Architecture: WINDOWS Score: 100 18 terminal4.veeblehosting.com 2->18 20 ip-api.com 2->20 26 Found malware configuration 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 7 other signatures 2->32 7 Your file name without extension goes here.exe 3 2->7         started        signatures3 process4 signatures5 34 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->34 36 Writes to foreign memory regions 7->36 38 Allocates memory in foreign processes 7->38 40 Injects a PE file into a foreign processes 7->40 10 RegSvcs.exe 15 2 7->10         started        14 WerFault.exe 19 16 7->14         started        16 conhost.exe 7->16         started        process6 dnsIp7 22 ip-api.com 208.95.112.1, 49704, 80 TUT-ASUS United States 10->22 24 terminal4.veeblehosting.com 108.170.55.203, 49706, 587 SSASN2US United States 10->24 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->42 44 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->44 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->46 48 4 other signatures 10->48 signatures8
Score:
41%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314/
Threat name:
Win64.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-05-20 00:28:03 UTC
File Type:
PE+ (Exe)
AV detection:
15 of 37 (40.54%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w74olvplqtvbigigj4oylmhgk4hz7mvzzpc6w4vrdzddupl6mmka._file
Verdict:
malicious
Similar samples:
39711f9ed69e976f7d9ef46eb054961108e4bf50cb0d325224cf49cad65c0844
AgentTesla
4af4e807a39641a52d870358fa8b6486927f7f5daeb94a2a75d9e117ba41a3ea
AgentTesla
c907b5ee8b9aae5ad661042f2aed0338df90653b95dad072ef8d8c0b582bc46b
AgentTesla
e5ba47d37554211c555170329555afae35d41989297a18bddbf33bfb2d30a6f0
AgentTesla
fdd1809f12f7c3da60911712659cb458ea68a10f2db7a08dd0b4a4d49c0ac7c0
AgentTesla
+ 4'255 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240521-ea4aksgd47/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/59f654ab-8aad-4f33-ad16-d211a4ccbcdf
Unpacked files
SH256 hash:
b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314
MD5 hash:
9fbf1890e0236da00be34bab1b6979c9
SHA1 hash:
4d9f66bdc24dda4355870001a1e25494bb0e411c
Link:
https://www.unpac.me/results/fc324114-0c93-487b-997a-d4287ac3435d/
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

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
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

Comments