MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 099846444a8e28d999b69fefc28857282996958f286b969508a6f39b892699f7. 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 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 099846444a8e28d999b69fefc28857282996958f286b969508a6f39b892699f7
SHA3-384 hash: db7cdb18f7f3027e0cf68251e96d4ca49f206d9a566f0a45fb96c36d3d6feda225f787c9d5abbee32b228d0e1ea2e32e
SHA1 hash: 93d7ae9a7e2e359c04f46c4d5f73f0e997967985
MD5 hash: fce16dc5af4c5068354464e754cb9a75
humanhash: oranges-jig-uncle-april
File name:RFQ202402 PDF.bat
Download: download sample
Signature AgentTesla
Create hunting rule
File size:685'056 bytes
First seen:2024-02-13 17:14:05 UTC
Last seen:Never
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:WeQ5vzi/DngLicQXUz6LrJh6VUvoK/sJy9lhV+n8LD0gRxmf33F:WribgLiozoYCo7J+lTD0QanF
Threatray 5'705 similar samples on MalwareBazaar
TLSH T12DE42200BB64474BEAA1DBBD0EB2517063BA3C1F9598E74D0C0522D91F73B4686B2B77
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) (4504/4/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
309
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
099846444a8e28d999b69fefc28857282996958f286b969508a6f39b892699f7.exe
Verdict:
Malicious activity
Analysis date:
2024-02-13 17:14:29 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/4d4b9fe7-8f1b-404b-b37a-99786626cbfd

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/476021/
Detection(s):
Win.Packed.Filerepmalware-10019564-0
Create hunting rule

Win.Packed.Msilheracles-10020638-0
Create hunting rule

Win.Packed.Agensla-10021078-0
Create hunting rule

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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Sending an HTTP GET request
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65cba3a1179f724a9550c957/reports/f0dcb6d0-b92c-4fb0-a3bf-84842481b70c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/099846444a8e28d999b69fefc28857282996958f286b969508a6f39b892699f7
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/af9953ca-1cb7-4243-b0b1-d7b9024746a1
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1391594
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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: 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
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1391594 Sample: RFQ202402 PDF.bat.exe Startdate: 13/02/2024 Architecture: WINDOWS Score: 100 42 mail.ccharlesresources.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 / Scanner detection for submitted sample 2->54 56 15 other signatures 2->56 8 xanWyOaSNY.exe 5 2->8         started        11 RFQ202402 PDF.bat.exe 7 2->11         started        signatures3 process4 file5 58 Antivirus detection for dropped file 8->58 60 Multi AV Scanner detection for dropped file 8->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->62 64 Machine Learning detection for dropped file 8->64 14 xanWyOaSNY.exe 8->14         started        17 schtasks.exe 8->17         started        38 C:\Users\user\AppData\...\xanWyOaSNY.exe, PE32 11->38 dropped 40 C:\Users\user\AppData\Local\...\tmpF094.tmp, XML 11->40 dropped 66 Adds a directory exclusion to Windows Defender 11->66 68 Injects a PE file into a foreign processes 11->68 19 RFQ202402 PDF.bat.exe 15 2 11->19         started        22 powershell.exe 23 11->22         started        24 powershell.exe 23 11->24         started        26 schtasks.exe 1 11->26         started        signatures6 process7 dnsIp8 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->70 72 Tries to steal Mail credentials (via file / registry access) 14->72 74 Tries to harvest and steal browser information (history, passwords, etc) 14->74 28 conhost.exe 17->28         started        46 mail.ccharlesresources.com 150.239.200.100, 49734, 49737, 587 SOFTLAYERUS United States 19->46 48 api.ipify.org 104.26.13.205, 443, 49732, 49736 CLOUDFLARENETUS United States 19->48 30 conhost.exe 22->30         started        32 WmiPrvSE.exe 22->32         started        34 conhost.exe 24->34         started        36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/099846444a8e28d999b69fefc28857282996958f286b969508a6f39b892699f7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/099846444a8e28d999b69fefc28857282996958f286b969508a6f39b892699f7/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2024-02-13 15:00:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bgmemrckryuntgnwt7x4fccxfauznfmpfbvznfiiu3zzxcjgth3q._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
17c6ca8dd665049e6bca2a1813289ab85037f67c6ea8aad739731c818354e67a
AgentTesla
1e6790df2471be2bc8210901b6d54045082caf912f703e5f05676cf6ebd31fed
AgentTesla
36333708c9444391b6a026b688b2ee4429165a1d3fe0fc3869ae67095f050ce4
AgentTesla
7b62fd54154e6ac5e545c1850a3a4c3a92b28f862e951c1bd36fc57ac5e89b3e
AgentTesla
a27b90af0efe1643f641173c2a2efcb9eba21a9b4e2b13b8aa7513665fb490d7
AgentTesla
+ 5'695 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240213-vskh7aeg32/
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
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:
45321b44c393c0cc06e60f587dfb63e73c24827af3cb569a67f910767422e136
MD5 hash:
8f6d74f75e737c2058da044d882ce8a1
SHA1 hash:
e7c3fa6f571ebfcdb287fa69c65d20829e81d7e1
Link:
https://www.unpac.me/results/63cf9544-adca-4995-a2ca-c792a088fac0/
SH256 hash:
b84ce836ec38bfdf445e5fc87c838c24661ced4369e9ce9359b812cb67c33ff3
MD5 hash:
f29815b1257e5a0237055d6bffcc6f87
SHA1 hash:
5f234df0722ab5f7527e1dadb9962326529644d6
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/63cf9544-adca-4995-a2ca-c792a088fac0/
SH256 hash:
5c9a5af39f328a7fd8b60ce56d1eb384203068d8d709312667c4650d973fd9cf
MD5 hash:
b036d91602b9a0aa9dcbad5975f6db54
SHA1 hash:
3580b7a543760db527f68de19b9f1bccea11af02
Link:
https://www.unpac.me/results/63cf9544-adca-4995-a2ca-c792a088fac0/
SH256 hash:
3dff12ee9183149386bfb90aa8bb671f57201de4e1157b79dd22fea45d837562
MD5 hash:
02e3968ff81ca78205efb912d981ea81
SHA1 hash:
0846251d2774064940f11617e1b15b2eb63834aa
Link:
https://www.unpac.me/results/63cf9544-adca-4995-a2ca-c792a088fac0/
SH256 hash:
099846444a8e28d999b69fefc28857282996958f286b969508a6f39b892699f7
MD5 hash:
fce16dc5af4c5068354464e754cb9a75
SHA1 hash:
93d7ae9a7e2e359c04f46c4d5f73f0e997967985
Link:
https://www.unpac.me/results/63cf9544-adca-4995-a2ca-c792a088fac0/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/099846444a8e/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/099846444a8e28d999b69fefc28857282996958f286b969508a6f39b892699f7

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 099846444a8e28d999b69fefc28857282996958f286b969508a6f39b892699f7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/476021/

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