MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfa4b25bb9a1534192d30dc3f10acd6a72c21a36bfaecae14c5d7a22dff88fd5. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dfa4b25bb9a1534192d30dc3f10acd6a72c21a36bfaecae14c5d7a22dff88fd5
SHA3-384 hash: f51238e626de564cf2a4b41aeff3304e238fba061c79e7e1161542b2e976c70e83f5cfc0e46dff830037822637461906
SHA1 hash: 7f95ea4fbb56c5286d9016a4bcd156ba0425f814
MD5 hash: 1d261c332666240f0713f05e3b92de0d
humanhash: neptune-stairway-oranges-don
File name:Roqwnrsun.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:6'656 bytes
First seen:2023-02-07 16:55:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 96:JpG2OqkYgoVnGMDr0hZt2UJKtEk+Mx9JbFnU:1OfoVG5h1Kz+MrQ
Threatray 347 similar samples on MalwareBazaar
TLSH T1D7D1B721A3998733ED764BFA98B363830338E7809D63CF5D58C4521F6C02B694F61BA0
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Roqwnrsun.exe
Verdict:
Malicious activity
Analysis date:
2023-02-07 17:03:43 UTC
Tags:
evasion trojan snake keylogger
Link:
https://app.any.run/tasks/352a391f-966e-49d8-8052-5250ba7a2085

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/361469/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Sending an HTTP GET request
Creating a window
Enabling autorun by creating a file
Unauthorized injection to a system process
Forced shutdown of a browser
Verdict:
No Threat
Threat level:
  10/10
Confidence:
80%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/63e282a7416d38777a7ab4f5/reports/bc70cb1a-5c2e-4d08-b351-cdd5485ce787/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/dfa4b25bb9a1534192d30dc3f10acd6a72c21a36bfaecae14c5d7a22dff88fd5
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a20b50dd-01d1-43e8-8d54-4ad3e1bbb9e5
Result
Threat name:
AgentTesla, Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1167904
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
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)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected MSILDownloaderGeneric
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 800709 Sample: Roqwnrsun.exe Startdate: 07/02/2023 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for dropped file 2->38 40 12 other signatures 2->40 7 Roqwnrsun.exe 15 7 2->7         started        process3 dnsIp4 26 cdn.discordapp.com 162.159.130.233, 443, 49700 CLOUDFLARENETUS United States 7->26 20 C:\Users\user\AppData\Roaming\...\nnnnn.exe, PE32 7->20 dropped 22 C:\Users\user\...\nnnnn.exe:Zone.Identifier, ASCII 7->22 dropped 24 C:\Users\user\AppData\...\Roqwnrsun.exe.log, ASCII 7->24 dropped 42 Creates an undocumented autostart registry key 7->42 44 Encrypted powershell cmdline option found 7->44 46 Writes to foreign memory regions 7->46 48 2 other signatures 7->48 12 MSBuild.exe 14 2 7->12         started        16 powershell.exe 16 7->16         started        file5 signatures6 process7 dnsIp8 28 checkip.dyndns.com 132.226.247.73, 49703, 80 UTMEMUS United States 12->28 30 checkip.dyndns.org 12->30 32 192.168.2.1 unknown unknown 12->32 50 May check the online IP address of the machine 12->50 52 Tries to steal Mail credentials (via file / registry access) 12->52 54 Tries to harvest and steal ftp login credentials 12->54 56 Tries to harvest and steal browser information (history, passwords, etc) 12->56 18 conhost.exe 16->18         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dfa4b25bb9a1534192d30dc3f10acd6a72c21a36bfaecae14c5d7a22dff88fd5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-02-07 16:56:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=36slew5zufjudewtbxb7ccwnnjzmegrwx6xmvykmlv5cfx7yr7kq._file
Verdict:
malicious
Similar samples:
1d8026ad409084260f2dae852d0f179766b5c59e32f892e97d04b3c6cfda392a
AgentTesla
243649be893511b111872619c1710fd84d6a75db38bf63dcb2193544f7cd5ff7
AgentTesla
7c2afe7ddb9bace6a0b1c8876c27790612b3d21b542c980357910d5b6644c37b
AgentTesla
94dcd9eb97aa7ef0957f20728ef38d1b95c9fc6f16c1467c752e019046ea882b
AgentTesla
9a4dba9c3d3c74e021c2a07cb5d44aee1f36f697394d729f9735cb38792a86eb
AgentTesla
c486c324dbf69dba15085f5020664872c2734a13e163477901b2bb57196fccf6
AgentTesla
d0a4e0e3ed54a45113962e05be0fecc8143c3484fbcbb3c890d8ea41f7586e36
AgentTesla
d8bfac190a02982a1df4b78937e75be37887d6d158d021391db60f9af2ca45c0
AgentTesla
e876ad440761c60b772b110b7e6f08c4e156ebdb17d78c55aa4594edc65ff78a
AgentTesla
f62ff438b7fc20e6a86d790a39e768b639cad74f781035447f86b102c67c4095
AgentTesla
+ 337 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection
Link:
https://tria.ge/reports/230207-vfpblscg45/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Looks up external IP address via web service
Checks computer location settings
Unpacked files
SH256 hash:
dfa4b25bb9a1534192d30dc3f10acd6a72c21a36bfaecae14c5d7a22dff88fd5
MD5 hash:
1d261c332666240f0713f05e3b92de0d
SHA1 hash:
7f95ea4fbb56c5286d9016a4bcd156ba0425f814
Link:
https://www.unpac.me/results/f70673e2-a087-4862-b5c2-877d5842cc56/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/dfa4b25bb9a1534192d30dc3f10acd6a72c21a36bfaecae14c5d7a22dff88fd5

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

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

Malspam

AgentTesla

Executable exe dfa4b25bb9a1534192d30dc3f10acd6a72c21a36bfaecae14c5d7a22dff88fd5

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/361469/

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