MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 156c6d57b228e6b5a8920f268f26b70b5fb6ec53b255f102f2dc9f7fa21c9097. 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 6 File information Comments

SHA256 hash: 156c6d57b228e6b5a8920f268f26b70b5fb6ec53b255f102f2dc9f7fa21c9097
SHA3-384 hash: 36f42c304057ecbb59724e779399b44d7153245d007d96c47e43364e5ecf40bfae05ecb1ae01a5438acf95156224b8ba
SHA1 hash: f9dd1ebc4f3d60c7c7400c8d1b67164a0e3f98a2
MD5 hash: 664fc03c56695b1fe1cfa34159cc36dd
humanhash: mike-apart-fanta-lemon
File name:PURCHASE ORDER.exe
Download: download sample
Signature AgentTesla
File size:277'644 bytes
First seen:2023-07-03 08:15:03 UTC
Last seen:2023-07-05 13:05:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:vYa6coraik7e/kTz9pRPAwpm4Fb3P7c9Vb0mH3a64x:vYa63JsTvRPAwpm4V3DSVA8aR
Threatray 4'773 similar samples on MalwareBazaar
TLSH T1134412453AB2D4B7E85247706E3F5F6AFBB9B4115539DF0B13A00B48BC2A582C60E372
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
255
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
PURCHASE ORDER.exe
Verdict:
Malicious activity
Analysis date:
2023-07-03 08:18:26 UTC
Tags:
rat agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Reading critical registry keys
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
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, NSISDropper
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Maps a DLL or memory area into another process
May check the online IP address of the machine
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)
Sample uses string decryption to hide its real strings
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)
Yara detected AgentTesla
Yara detected NSISDropper
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-07-03 01:04:21 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
30 of 38 (78.95%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
d55f5740ba14ad37c74adea180addbc3e6cfc3f64f23b75e10d24b64e137307d
MD5 hash:
b8f2785d88c4dc869a98740a06b34903
SHA1 hash:
9fbcb3ef2c7dbc4fe7486f9b8a7f207d7a84d2c6
SH256 hash:
b245f1d5ae9a1c264d54c148b8c566d710bd2a990ea53df5489c8a3d83ffe091
MD5 hash:
435d3422a664d8aa605c24f1bf6bb51b
SHA1 hash:
640ff0c721dadb2b3be1f5e99628c23545f171a9
SH256 hash:
d55f5740ba14ad37c74adea180addbc3e6cfc3f64f23b75e10d24b64e137307d
MD5 hash:
b8f2785d88c4dc869a98740a06b34903
SHA1 hash:
9fbcb3ef2c7dbc4fe7486f9b8a7f207d7a84d2c6
SH256 hash:
b245f1d5ae9a1c264d54c148b8c566d710bd2a990ea53df5489c8a3d83ffe091
MD5 hash:
435d3422a664d8aa605c24f1bf6bb51b
SHA1 hash:
640ff0c721dadb2b3be1f5e99628c23545f171a9
SH256 hash:
d55f5740ba14ad37c74adea180addbc3e6cfc3f64f23b75e10d24b64e137307d
MD5 hash:
b8f2785d88c4dc869a98740a06b34903
SHA1 hash:
9fbcb3ef2c7dbc4fe7486f9b8a7f207d7a84d2c6
SH256 hash:
b245f1d5ae9a1c264d54c148b8c566d710bd2a990ea53df5489c8a3d83ffe091
MD5 hash:
435d3422a664d8aa605c24f1bf6bb51b
SHA1 hash:
640ff0c721dadb2b3be1f5e99628c23545f171a9
SH256 hash:
156c6d57b228e6b5a8920f268f26b70b5fb6ec53b255f102f2dc9f7fa21c9097
MD5 hash:
664fc03c56695b1fe1cfa34159cc36dd
SHA1 hash:
f9dd1ebc4f3d60c7c7400c8d1b67164a0e3f98a2
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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 156c6d57b228e6b5a8920f268f26b70b5fb6ec53b255f102f2dc9f7fa21c9097

(this sample)

Comments