MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42fac947ed7be43e589d194a49aef65b306055ad3d42ee3b7c9a2b03cda99cd0. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 42fac947ed7be43e589d194a49aef65b306055ad3d42ee3b7c9a2b03cda99cd0
SHA3-384 hash: 0acb536133a612d0de00989ff6a3fc8aad564ef6d84deaeeed5aee4d14fd3d8e0bf107f152c4a6185dbb56d4a81c7763
SHA1 hash: 5797a2bc7915d5b83d72451e3320e27c546a6bb0
MD5 hash: b83b85485dc606af059d89ecc742ffa0
humanhash: lion-tennis-alanine-undress
File name:olori.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:573'952 bytes
First seen:2023-05-01 13:16:32 UTC
Last seen:2023-05-13 22:54:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:oRiheKqnAoKnf/U0Ecv57aZ2/q8S2AsSh2nPLk4buB:tqnE5vDS2AsSwLRe
Threatray 2'534 similar samples on MalwareBazaar
TLSH T1B4C47C3C19BD6627C07AC3799BE49923F154AC6F3021EDA5A8C373B60752A4275C327E
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
252
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
12016519 Delivery.xls
Verdict:
Malicious activity
Analysis date:
2023-04-28 11:09:02 UTC
Tags:
exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/1b46e1f8-8ef4-49ee-808b-09205fa2e7f3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/385821/
Detection(s):
SecuriteInfo.com.Trojan.GenericKDZ.99180.14354.8711.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/644fbbcf961a21dc785c3902/reports/c855822e-66e9-4a83-b6aa-3843d338f724/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/42fac947ed7be43e589d194a49aef65b306055ad3d42ee3b7c9a2b03cda99cd0
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/84949dc4-f6d0-4e3a-88a4-a646354ac5a0
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1224018
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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
Snort IDS alert for network traffic
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/42fac947ed7be43e589d194a49aef65b306055ad3d42ee3b7c9a2b03cda99cd0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-04-28 11:20:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=il5msr7nppsd4we5dffetlxwlmygavnnhvbo4o34tivqhtnjttia._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
02bd19db008421b6974fb5794030f064630942d926606f6f183bbc6926192399
AgentTesla
09a4c4066f68ea3dd5f0ca48f85fb76064c4f0bab39ccddf4b8590461d2fa9a0
AgentTesla
256206be49f97b60b3e580901f31d726e194cfcf0b50a291cf67f7a6267aeb18
AgentTesla
2824923e53f00d95246e6af0ebdf392983d4afb436c1c4af2a5420a41a827ecb
AgentTesla
3678eacb8a54a9b0112aae9c691b5ddbbe86631d17689abd544a1acac76c1ce8
AgentTesla
5b58f94841a17d6f347c5d32f4ac2e2fb6d7e4954d65b5138ed7fb44c924c3a0
AgentTesla
7225fb26ac598e2675891df1f0733d038fcf691e7e04c190f700813132cd5040
AgentTesla
729b3e10a37e42bba3f9999ce8a17bc69f8642d86420f05836a5d0271a718efc
AgentTesla
d090b3307ecf55f4d1bee7c5c8920fadd13cf0fe1c233788e755386b9d2e7c53
AgentTesla
d5b4018736e8ded7a665f2051a05e9fdd53e379eceee4c62abff955dbb5e4554
AgentTesla
+ 2'524 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230501-qjcprshc9w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
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:
5b74dac70f5011213ca667cdcac31ded26fecd321f9d867b1b64ca69a4e0ef63
MD5 hash:
9f34e92ef0ae94ed0406dfb034da8e3d
SHA1 hash:
d516c1965d80e2ef69a72119aa41836069136cf0
Link:
https://www.unpac.me/results/1656cba9-5419-4de6-8835-06a172dcda1f/
SH256 hash:
1cb0143fb91c98fa790059bbc2c889948029944cd9e7ae62efd0a83264031780
MD5 hash:
673d1515db6ad29a4634984e68085489
SHA1 hash:
be694bc3d654a20c873c8cc5f6ca6458c75c561f
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/1656cba9-5419-4de6-8835-06a172dcda1f/
Parent samples :
7225fb26ac598e2675891df1f0733d038fcf691e7e04c190f700813132cd5040
256206be49f97b60b3e580901f31d726e194cfcf0b50a291cf67f7a6267aeb18
3caa5f70e285a2f721a9d8d16dbcdc56a5a9cc85463fca195baea784840f1650
2824923e53f00d95246e6af0ebdf392983d4afb436c1c4af2a5420a41a827ecb
42fac947ed7be43e589d194a49aef65b306055ad3d42ee3b7c9a2b03cda99cd0
ce951f9946a66af4cf461317865d760231a083710a35ae4d2ff362201ec66966
85f7d296de25155108c48bafa42ddcba37feb9add3f20c3b5c65ac321ec9a70d
SH256 hash:
ea8d4c91ec5bba5e1db6c17730d7ba5cdbb5ff3c1a777f70c90e91ce599d9b5d
MD5 hash:
27f5124bf8f451bca8d8a15c73c4f521
SHA1 hash:
5fd557e109b8fd1c3b362b64f0ba9f1600c07211
Link:
https://www.unpac.me/results/1656cba9-5419-4de6-8835-06a172dcda1f/
SH256 hash:
42fac947ed7be43e589d194a49aef65b306055ad3d42ee3b7c9a2b03cda99cd0
MD5 hash:
b83b85485dc606af059d89ecc742ffa0
SHA1 hash:
5797a2bc7915d5b83d72451e3320e27c546a6bb0
Link:
https://www.unpac.me/results/1656cba9-5419-4de6-8835-06a172dcda1f/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/42fac947ed7b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/42fac947ed7be43e589d194a49aef65b306055ad3d42ee3b7c9a2b03cda99cd0

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:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
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
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/385821/

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