MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91c4358eb1c2c4d38b2c3e930eff281ab6cf22ae0200e4dfa49725fd4657e9f7. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91c4358eb1c2c4d38b2c3e930eff281ab6cf22ae0200e4dfa49725fd4657e9f7
SHA3-384 hash: 094631fb20d3be926a616f385f780d3d9d856091c94da8a10da138ad774562531ce72b4bd513c034e8fbc69d7ebb92bf
SHA1 hash: a06df48d928d73be766be87d6bf309d85baefe0f
MD5 hash: 7ca21c3c3675e6f031f5dbdbd734fbb1
humanhash: mike-sixteen-social-two
File name:SecuriteInfo.com.Win32.PWSX-gen.32422.27987
Download: download sample
Signature AgentTesla
Create hunting rule
File size:548'864 bytes
First seen:2023-09-21 05:31:06 UTC
Last seen:2023-09-25 08:12:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:TS9IXRtjsjxZwbwyFexlPn5H4F9GXGKS4qBwNTYpIfdOvnhJ4Hs1:RFYNnK9GXyFwNUpqOnhJ
Threatray 5'667 similar samples on MalwareBazaar
TLSH T198C48D2431EB1E05F47ABBB10B68E95547F6F5E6663AF70F2FD101864864E40DE22B32
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 SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
269
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
ToX7YAPazyDp54o.exe
Verdict:
Malicious activity
Analysis date:
2023-09-21 01:55:53 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/59ae0b11-71fd-40fb-8eee-988e450e0d39

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/450238/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.32422.27987.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/650bd553f1b40cb0d61fbb69/reports/224e3d48-470f-409e-9b77-7a72dd1c8f61/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/91c4358eb1c2c4d38b2c3e930eff281ab6cf22ae0200e4dfa49725fd4657e9f7
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e4547b03-20d9-4e7e-a0d2-c5fdc7199610
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1312006
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
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
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/91c4358eb1c2c4d38b2c3e930eff281ab6cf22ae0200e4dfa49725fd4657e9f7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-09-21 01:58:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=shcdldvrylcnhczmh2jq57zidk3m6ivoaiaojx5es4s72rsx5h3q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
7a3f9e8c7610b1b6bc6433234fcc92a41834657cbe2f0bf74442d772df664568
AgentTesla
9c715b1f528e3ac5d2a6c36d162880ac8ccc240e25022b363dc3726f2d7e2fff
AgentTesla
a3838f118bbfcd8759b3a449924c84893908e1333ae5a321fe6fec55c28af707
AgentTesla
b63ed1999685c3144cb61f9091b54f33fbcf657f3ea910b11e57e5cf8f1bf2c7
AgentTesla
b9c74c6cf3df328ddeee396c2602a7d93a6fa4f8fc3f1e67e41d91e290592e4e
AgentTesla
bbb9a417f02e708434b3737c20a59fa322c15b170be8befed9167c2f5573f2f0
AgentTesla
cd0e9bc33a68486a4e77ba0009de26524a62c27cc3b92cc1af054bb0a4af2d5d
AgentTesla
cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687
AgentTesla
+ 5'657 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/230921-f8aatsde6x/
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
AgentTesla
Unpacked files
SH256 hash:
5cf51d1a8d4bd940740e90e3962cea8e939e791ef7c5bd88d1a0cb574af25b70
MD5 hash:
9407c2206b85c7cb0949ef623fa614d8
SHA1 hash:
df6e3ec48a4e673d93fc6818db52460ce8fadd9a
Link:
https://www.unpac.me/results/535965f1-0e9f-40ca-b28e-cb6e76feeeed/
SH256 hash:
cd0e9bc33a68486a4e77ba0009de26524a62c27cc3b92cc1af054bb0a4af2d5d
MD5 hash:
328d3b87a59d92df583d10ea07f10d18
SHA1 hash:
a3945c0302451c93e64ced9a12c5157d42ab2f77
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/535965f1-0e9f-40ca-b28e-cb6e76feeeed/
Parent samples :
cd0e9bc33a68486a4e77ba0009de26524a62c27cc3b92cc1af054bb0a4af2d5d
bbb9a417f02e708434b3737c20a59fa322c15b170be8befed9167c2f5573f2f0
cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687
91c4358eb1c2c4d38b2c3e930eff281ab6cf22ae0200e4dfa49725fd4657e9f7
be53b6f5ff15575799a0a929be641c79c173fa0b6de9c95f0ac524c10c1b9c5d
e44909d74d74294240a22cf582583e73e11ed097d32a32470ad5a354ba1b2dc6
SH256 hash:
028130f85ca8347edb9249e65411d82ab34657e4b97dd83fb79e95e3827faf1e
MD5 hash:
7c3aa28e4926deee5db82522ac3a7951
SHA1 hash:
295bf7cbd1a194e95c7bb7964445649c617b3a78
Link:
https://www.unpac.me/results/535965f1-0e9f-40ca-b28e-cb6e76feeeed/
SH256 hash:
91c4358eb1c2c4d38b2c3e930eff281ab6cf22ae0200e4dfa49725fd4657e9f7
MD5 hash:
7ca21c3c3675e6f031f5dbdbd734fbb1
SHA1 hash:
a06df48d928d73be766be87d6bf309d85baefe0f
Link:
https://www.unpac.me/results/535965f1-0e9f-40ca-b28e-cb6e76feeeed/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/91c4358eb1c2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/91c4358eb1c2c4d38b2c3e930eff281ab6cf22ae0200e4dfa49725fd4657e9f7

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

Cape
Cape
https://www.capesandbox.com/analysis/450238/

Comments