MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15754fcbc9378bee0068731bd49ccf0d461325d381f648c67d145a3dc847ac0e. 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: 14


Intelligence 14 IOCs YARA 13 File information Comments

SHA256 hash: 15754fcbc9378bee0068731bd49ccf0d461325d381f648c67d145a3dc847ac0e
SHA3-384 hash: a6c6f48bb9bd2902ab89ebcb3efe67856adaf6e4bfccc37f1d03f123b19755f6a7182354870f187bf9e6b66b1c1d8dc1
SHA1 hash: ca407f6f9a1c97308d73d6a86380bc6f2b17246b
MD5 hash: 3aa7661c6945e4364568f6788c2a9f7b
humanhash: magazine-mike-harry-cat
File name:Wire Transfer 11-25-23 In The Amount Of $17,069.94 Outgoing To.exe
Download: download sample
Signature AgentTesla
File size:837'632 bytes
First seen:2023-11-28 08:33:27 UTC
Last seen:2023-11-28 10:18:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:IeoQmbCpJbTE7UUWclSDAe4rQdj+D9dnlWvsLAeaCmzk9uSC5Px0lH+:eoUWhDZtIPWvsMeaKBChx00
TLSH T1FA05F15E7168518EF9014B3100F7821F2A6CEA69FAA398DD4733ED9A4731E051ED3F29
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon e4b4b4f2d8ece0e0 (7 x AgentTesla, 1 x DarkCloud, 1 x RedLineStealer)
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
306
Origin country :
CH CH
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Gathering data
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1349143 Sample: Wire_Transfer_11-25-23_In_T... Startdate: 28/11/2023 Architecture: WINDOWS Score: 100 44 mail.iaa-airferight.com 2->44 48 Snort IDS alert for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 8 other signatures 2->54 8 Wire_Transfer_11-25-23_In_The_Amount_Of_$17,069.94_Outgoing_To.exe 7 2->8         started        12 uKkArZqmT.exe 5 2->12         started        signatures3 process4 file5 40 C:\Users\user\AppData\Roaming\uKkArZqmT.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp6528.tmp, XML 8->42 dropped 56 Uses schtasks.exe or at.exe to add and modify task schedules 8->56 58 Writes to foreign memory regions 8->58 60 Adds a directory exclusion to Windows Defender 8->60 14 RegSvcs.exe 2 8->14         started        18 RegSvcs.exe 8->18         started        20 powershell.exe 23 8->20         started        30 2 other processes 8->30 62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 66 Injects a PE file into a foreign processes 12->66 22 RegSvcs.exe 12->22         started        24 schtasks.exe 12->24         started        26 RegSvcs.exe 12->26         started        28 RegSvcs.exe 12->28         started        signatures6 process7 dnsIp8 46 mail.iaa-airferight.com 84.54.23.97, 25, 49709, 49710 DEDIPATH-LLCUS Germany 14->46 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->68 32 conhost.exe 20->32         started        70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->70 72 Tries to steal Mail credentials (via file / registry access) 22->72 74 Tries to harvest and steal browser information (history, passwords, etc) 22->74 34 conhost.exe 24->34         started        36 conhost.exe 30->36         started        38 conhost.exe 30->38         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-28 01:25:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
5d38717f50a09a52d9895b71ef10b7dffa365869694432edf5ff9e71752a123d
MD5 hash:
6424b87cc7db5d896c50ac43519d05fa
SHA1 hash:
e8774149130e567c3e302af69c3da872669ccd12
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
f5a8f5ded618fd3989fa98a3c2d87c4853d6e10ecb1313cd5ddd7df375336b31
MD5 hash:
243f9990bb7d68a3f6e4d3999800da5b
SHA1 hash:
ba555175d12f19f6288a3574738bcd6c8b747e3b
SH256 hash:
bafe6d176d0181707a4d60fc9b0046a57259c6ab8def0e18c2436366c3226eae
MD5 hash:
0ddb2ef6bf53ca68ef12e8f4edbcc6d2
SHA1 hash:
40c262dbf694c3d66d09de2ecb75acc746af9e3b
Detections:
AgentTesla win_agent_tesla_g2 Agenttesla_type2 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_EXE_Packed_GEN01
SH256 hash:
15754fcbc9378bee0068731bd49ccf0d461325d381f648c67d145a3dc847ac0e
MD5 hash:
3aa7661c6945e4364568f6788c2a9f7b
SHA1 hash:
ca407f6f9a1c97308d73d6a86380bc6f2b17246b
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: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_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: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 15754fcbc9378bee0068731bd49ccf0d461325d381f648c67d145a3dc847ac0e

(this sample)

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