MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c6f89955e03e91b02d60169829cf5655cc6a2812b570ad181677b3cc6d11fc28. 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: 19


Intelligence 19 IOCs YARA 19 File information Comments

SHA256 hash: c6f89955e03e91b02d60169829cf5655cc6a2812b570ad181677b3cc6d11fc28
SHA3-384 hash: 674b1f75991fcb83e4a0376fac1a59969d09312845e6408d8f88634829c705720f657e166e86e48da1a3bae58f0735b3
SHA1 hash: b20c950845c31e95cd58d601a5d3ab68c1726b87
MD5 hash: 0cb4ac90ba777fdaef3c74926dc939e8
humanhash: august-chicken-vermont-queen
File name:TEKLİF TALEP VE FİYAT LİSTESİ_xlsx.exe
Download: download sample
Signature AgentTesla
File size:928'256 bytes
First seen:2025-05-02 06:33:21 UTC
Last seen:2025-05-12 09:36:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ef471c0edf1877cd5a881a6a8bf647b9 (83 x Formbook, 33 x Loki, 31 x Loda)
ssdeep 12288:XOv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPiLF7xbhumJa5hQ4quU0CIvs:Xq5TfcdHj4fmbH5+4quBCj
TLSH T1A0150173BE8898CFF0D849BB785A5655C4AA7E05C9D6CF8A3F5CB7ED09320332980155
TrID 33.9% (.EXE) UPX compressed Win32 Executable (27066/9/6)
33.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
13.1% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.6% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon e0d0d8d4d4d8d0e0 (7 x DarkCloud, 5 x AgentTesla, 4 x Formbook)
Reporter abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence


File Origin
# of uploads :
2
# of downloads :
485
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
TEKLİF TALEP VE FİYAT LİSTESİ_xlsx.exe
Verdict:
Malicious activity
Analysis date:
2025-05-02 07:32:47 UTC
Tags:
evasion stealer auto-startup ultravnc rmm-tool agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
underscore autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
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
Sending a custom TCP request
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit compiled-script masquerade microsoft_visual_cc overlay packed packed packed packer_detected upx
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
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)
Drops VBS files to the startup folder
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
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 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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1679661 Sample: TEKL#U0130F TALEP VE F#U013... Startdate: 02/05/2025 Architecture: WINDOWS Score: 100 30 us2.smtp.mailhostbox.com 2->30 32 smtp.infroyale.com 2->32 34 ip-api.com 2->34 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 8 other signatures 2->46 8 TEKL#U0130F TALEP VE F#U0130YAT L#U0130STES#U0130_xlsx.exe 4 2->8         started        12 wscript.exe 1 2->12         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\...\holloing.exe, PE32 8->26 dropped 62 Binary is likely a compiled AutoIt script file 8->62 14 holloing.exe 2 8->14         started        64 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->64 18 holloing.exe 1 12->18         started        signatures6 process7 file8 28 C:\Users\user\AppData\...\holloing.vbs, data 14->28 dropped 66 Multi AV Scanner detection for dropped file 14->66 68 Binary is likely a compiled AutoIt script file 14->68 70 Drops VBS files to the startup folder 14->70 76 2 other signatures 14->76 20 RegSvcs.exe 15 2 14->20         started        72 Writes to foreign memory regions 18->72 74 Maps a DLL or memory area into another process 18->74 24 RegSvcs.exe 2 18->24         started        signatures9 process10 dnsIp11 36 ip-api.com 208.95.112.1, 49692, 49694, 80 TUT-ASUS United States 20->36 38 us2.smtp.mailhostbox.com 208.91.198.143, 49693, 49696, 587 PUBLIC-DOMAIN-REGISTRYUS United States 20->38 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->48 50 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->50 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->52 54 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 20->54 56 Tries to steal Mail credentials (via file / registry access) 24->56 58 Tries to harvest and steal ftp login credentials 24->58 60 Tries to harvest and steal browser information (history, passwords, etc) 24->60 signatures12
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-05-02 06:34:16 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
autoit unc_loader_036 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 WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Looks up external IP address via web service
Drops startup file
Executes dropped EXE
AgentTesla
Agenttesla family
Verdict:
Suspicious
Tags:
external_ip_lookup
YARA:
n/a
Unpacked files
SH256 hash:
c6f89955e03e91b02d60169829cf5655cc6a2812b570ad181677b3cc6d11fc28
MD5 hash:
0cb4ac90ba777fdaef3c74926dc939e8
SHA1 hash:
b20c950845c31e95cd58d601a5d3ab68c1726b87
SH256 hash:
d85cc8d87303cb47e1e98616b8f5540b0750f5a8f5c048a3a16c5ee8d9ce3e51
MD5 hash:
a0318f6f3f1c4eb8cc732fc13b2d63a4
SHA1 hash:
cceb45431cf527656eff7766dea904ab7df54c1a
Detections:
win_agent_tesla_g2 AgentTesla Agenttesla_type2 INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
SH256 hash:
a4c9d591fe36ac4cc961ceeba2f610f23e29feabb231f6f47fc7da44a35f0950
MD5 hash:
31cd7da26e5ce5e598c284fa6668a10f
SHA1 hash:
69741c30981ca1846ceeeda1f9df52fc5f234d38
Detections:
AutoIT_Compiled
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:upx_largefile
Author:k3nr9
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

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 (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetUseConnectionW

Comments