MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cd65c1a0f043d6b2b5630c07e7e5aff039eea2d3fee8f7c6bba6e1c41a6efec. 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: 13


Intelligence 13 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8cd65c1a0f043d6b2b5630c07e7e5aff039eea2d3fee8f7c6bba6e1c41a6efec
SHA3-384 hash: d295a270c178f595357b8b62b99a57db273e392f3ff069d0fb6839c77abfdb6531333b089fa9d5d9a6b337553d6bf47c
SHA1 hash: c6bec119b652e324d6bf81540d271e9564c7f5b6
MD5 hash: 1f7370b202a1c069a7b7f065c7dec77c
humanhash: failed-cola-leopard-five
File name:Šiauliai.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:4'055'040 bytes
First seen:2025-02-19 02:04:17 UTC
Last seen:2025-02-19 02:30:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash fc1484bfb5345f0312cefbb5bd0f8b08 (1 x AgentTesla, 1 x RemcosRAT)
ssdeep 98304:O+xukXxugY+bKzkt/OOREAsdpfb5GbAioNr1JfupQjq6wWI8ZAtDe5yOZI3R31Tv:1xukXxugY+bKzkt/OOREAsdpfb5GbAiP
TLSH T15816BE10A3E801B9E577CA74C6965233D6B0B8C5A731814B1A54DB492FB3BA08F7FB35
TrID 47.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
35.2% (.EXE) InstallShield setup (43053/19/16)
8.6% (.EXE) Win64 Executable (generic) (10522/11/4)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.6% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter BastianHein
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
597
Origin country :
CL CL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
8cd65c1a0f043d6b2b5630c07e7e5aff039eea2d3fee8f7c6bba6e1c41a6efec
Verdict:
Malicious activity
Analysis date:
2025-02-19 01:44:29 UTC
Tags:
evasion agenttesla stealer exfiltration smtp
Link:
https://app.any.run/tasks/1d53fb0f-8075-413a-a776-bc5766744385

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.Malware-gen.15470.5083.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67b5377ca0fd713c335ba586
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:
Result
Verdict:
SUSPICIOUS
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/92c9c889-4278-487c-bf48-0b18a9f3e4c0
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1618700
Signature
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious 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)
Suricata IDS alerts for network traffic
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1618700 Sample: #U0160iauliai.exe Startdate: 19/02/2025 Architecture: WINDOWS Score: 100 42 api.ipify.org 2->42 48 Suricata IDS alerts for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 4 other signatures 2->54 9 loaddll64.exe 1 2->9         started        signatures3 process4 process5 11 rundll32.exe 9->11         started        14 rundll32.exe 9->14         started        16 rundll32.exe 9->16         started        18 21 other processes 9->18 signatures6 72 Writes to foreign memory regions 11->72 74 Allocates memory in foreign processes 11->74 76 Injects a PE file into a foreign processes 11->76 20 InstallUtil.exe 11->20         started        23 AddInProcess32.exe 11->23         started        25 AddInProcess32.exe 15 2 14->25         started        28 InstallUtil.exe 14 2 16->28         started        30 AddInProcess32.exe 16->30         started        32 rundll32.exe 18->32         started        34 AddInProcess32.exe 2 18->34         started        36 AddInProcess32.exe 18->36         started        38 7 other processes 18->38 process7 dnsIp8 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->56 58 Tries to steal Mail credentials (via file / registry access) 20->58 60 Tries to harvest and steal ftp login credentials 20->60 62 Tries to harvest and steal browser information (history, passwords, etc) 20->62 44 162.254.34.31, 49712, 49715, 49718 VIVIDHOSTINGUS United States 25->44 46 api.ipify.org 104.26.12.205, 443, 49711, 49714 CLOUDFLARENETUS United States 25->46 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 25->64 66 Writes to foreign memory regions 32->66 68 Allocates memory in foreign processes 32->68 70 Injects a PE file into a foreign processes 32->70 40 AddInProcess32.exe 32->40         started        signatures9 process10
Score:
45%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/8cd65c1a0f043d6b2b5630c07e7e5aff039eea2d3fee8f7c6bba6e1c41a6efec
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8cd65c1a0f043d6b2b5630c07e7e5aff039eea2d3fee8f7c6bba6e1c41a6efec/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rtlfygqpaq6wwk2wgdah47s274bz52rnh7xi67dlxjxbyqng57wa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
error
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Link:
https://tria.ge/reports/250219-che7lstre1/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Agenttesla family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/00d641b3-c158-44d4-9d0e-9837e3340208
Unpacked files
SH256 hash:
8cd65c1a0f043d6b2b5630c07e7e5aff039eea2d3fee8f7c6bba6e1c41a6efec
MD5 hash:
1f7370b202a1c069a7b7f065c7dec77c
SHA1 hash:
c6bec119b652e324d6bf81540d271e9564c7f5b6
Link:
https://www.unpac.me/results/1e8e869b-047f-4ebf-822e-f0e440f41f60/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8cd65c1a0f04/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/8cd65c1a0f043d6b2b5630c07e7e5aff039eea2d3fee8f7c6bba6e1c41a6efec

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:DebuggerCheck__MemoryWorkingSet
Create hunting rule
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Jupyter_infostealer
Create hunting rule
Author:CD_R0M_
Description:Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
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
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
KERNEL32.dll::VirtualAllocExNuma
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
KERNEL32.dll::CreateThreadpoolIo
KERNEL32.dll::CreateThreadpoolWait
KERNEL32.dll::CreateThreadpoolWork
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::GetSystemDirectoryW
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptCreateHash
bcrypt.dll::BCryptDestroyHash
bcrypt.dll::BCryptFinishHash
bcrypt.dll::BCryptGenRandom
bcrypt.dll::BCryptGetProperty
bcrypt.dll::BCryptHashData
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW

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