MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b. 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: 17


Intelligence 17 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b
SHA3-384 hash: a2a5928b95bba0ccff37a9db3db3e0e1b91d1d3a96d83cde9d1d62a989393be8d658590d1edf18fd5efd76732e9cb0ab
SHA1 hash: 9109276193763e3a58b4d8fe472c5d4730b37b33
MD5 hash: 65eb5063ffd21ea06563acdde5b0aec5
humanhash: early-artist-island-chicken
File name:IV22200102 12-02-2024.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:697'856 bytes
First seen:2024-02-12 07:49:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:nJEzqHKMbNeCpN/PmNcfF+RZnGItAdjfRnisFIH9XonxvK4+n0cV:nSz87bv/u/lO169evKb0
TLSH T117E423107FA28B31DC3647FA51A9A220AB72B00B7475EF5A5DE332EC1797B104B51B63
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 9679d4b4a2ec6196 (4 x Formbook, 4 x AgentTesla, 1 x RemcosRAT)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
286
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe
Verdict:
Malicious activity
Analysis date:
2024-02-12 08:17:13 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/05057a40-e667-47a0-9396-e8ca97055d62

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/475793/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65c9cdadac375bec15e4d879/reports/8228bb05-e403-4ea7-abec-063617545f2f/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b
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/b7638018-7f97-4906-b272-1abd08b8269c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1390587
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
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)
Sample uses string decryption to hide its real strings
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1390587 Sample: IV22200102 12-02-2024.exe Startdate: 12/02/2024 Architecture: WINDOWS Score: 100 42 mail.wasstech.com 2->42 44 api.ipify.org 2->44 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 14 other signatures 2->56 8 IV22200102 12-02-2024.exe 7 2->8         started        12 jsHSvhKIRkhsOT.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\jsHSvhKIRkhsOT.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp27A7.tmp, XML 8->40 dropped 58 Writes to foreign memory regions 8->58 60 Allocates memory in foreign processes 8->60 62 Adds a directory exclusion to Windows Defender 8->62 14 RegSvcs.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 68 Injects a PE file into a foreign processes 12->68 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 46 mail.wasstech.com 204.93.196.181, 49703, 49707, 587 SERVERCENTRALUS United States 14->46 48 api.ipify.org 172.67.74.152, 443, 49702, 49706 CLOUDFLARENETUS United States 14->48 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->70 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->72 74 Tries to steal Mail credentials (via file / registry access) 14->74 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        76 Tries to harvest and steal browser information (history, passwords, etc) 24->76 36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2024-02-12 03:19:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=si74szfibrd5k6xk7qg5x73vhlb3vbkgkwycggzvrzkpkriska5q._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240212-jn9rqsgb4s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
241d3705c2ab81123716abee3a969c8299301b5687d9d5c4551b667c47aed11c
MD5 hash:
c009b49f30fbc48e2ee38fe4333dfa76
SHA1 hash:
8da8da7a2c5d71cd42a7c0c992cf97b74c005972
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/88a46c61-f6c7-456a-8d92-0945b1dbb9a0/
Parent samples :
d20a82f699a3d07796c13d2769b07c6cd8825cc52c35ced5fd6d4a157adb0b36
258d0d5f9ddd5fb732807dd74dbc71f99adb82b82420f193573d01cb5a3a563f
923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b
139f168f6e54b6acb61b3062e01619916a0a03dd987960f7a62a3f107a96f1d0
4e09d335b45ab0d84d8b3a820420fc1a6d76ad1ead8ea62baef521251aea75ff
SH256 hash:
4c384312d34819a13e5a42a82e08fcfae96c26bfdc8c85f0b7863c1964f8a141
MD5 hash:
563d925b75d192ccf5ac021fde64ff97
SHA1 hash:
37d69ef3f935b59cdc9a42d659279a5cdef23dd1
Link:
https://www.unpac.me/results/88a46c61-f6c7-456a-8d92-0945b1dbb9a0/
SH256 hash:
38e0c6d980305c75802c29c0296f16fe0e9d8ef0c387580096acbfb914a805a3
MD5 hash:
6d6dc9776d8f8feaf6f35048c87e3c85
SHA1 hash:
2a93098d71c171354d458ecabd97c5b2aca00cf4
Link:
https://www.unpac.me/results/88a46c61-f6c7-456a-8d92-0945b1dbb9a0/
SH256 hash:
f12ce236319651f1838086c34faa364ac69fc7a14204407c62153dd6352040f9
MD5 hash:
07302fc0216fb11538ac6285ad691a1f
SHA1 hash:
01ad620c4c0590bcafc15b0404e2b005a93937b3
Link:
https://www.unpac.me/results/88a46c61-f6c7-456a-8d92-0945b1dbb9a0/
SH256 hash:
923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b
MD5 hash:
65eb5063ffd21ea06563acdde5b0aec5
SHA1 hash:
9109276193763e3a58b4d8fe472c5d4730b37b33
Link:
https://www.unpac.me/results/88a46c61-f6c7-456a-8d92-0945b1dbb9a0/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/923fc964a80c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b

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
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
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
Create hunting rule
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
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security

File information

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

Malspam

AgentTesla

Executable exe 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/475793/

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