MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9213771d3c5189ae487f47c552a34856d2298ed22aac305bc5f29c03212312ea. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9213771d3c5189ae487f47c552a34856d2298ed22aac305bc5f29c03212312ea
SHA3-384 hash: affc383e54be038c1e9e294a330470ee4587361d7fc4c35babcb729077ff13d7594e2871fa3168bc1aaff6197ef4f6c2
SHA1 hash: 3e22686152b247c182f83b5aa76bafb1f27a80d6
MD5 hash: f9caf8fc993d4f508d69a775d5b22f57
humanhash: october-harry-florida-gee
File name:Pnkfvrn.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:363'520 bytes
First seen:2022-05-04 03:28:58 UTC
Last seen:2022-05-04 13:47:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:oXnmtWrnngnnnKnanlywwwBwwA5wwwwswww+wwwGwwwbwwwLwwwwwwwwwnwwwjws:oWtWrnngnnnKnanxhY
Threatray 2'027 similar samples on MalwareBazaar
TLSH T1D9740D91E8535838CA244778BA7396B01CF9EC70C907E67167207EEAF13BA20ED75572
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 12f0a896ecf07090 (4 x AgentTesla, 3 x Formbook, 2 x Loki)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
295
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Pnkfvrn.exe
Verdict:
Malicious activity
Analysis date:
2022-05-04 03:29:21 UTC
Tags:
keylogger stealer agenttesla
Link:
https://app.any.run/tasks/1e41a48f-8cee-4d88-a71e-d4a49d7130cf

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/268505/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Link:
https://www.filescan.io/uploads/6271f33c0d3e2bd52d2708ac/reports/c60e726e-9da6-4ad6-bc67-75038309d93a/overview
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/13341565-acdc-4ad6-b474-2264f885644d
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/987470
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Creates multiple autostart registry keys
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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 Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 619965 Sample: Pnkfvrn.exe Startdate: 04/05/2022 Architecture: WINDOWS Score: 100 41 mail.str1990.co.th 2->41 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 6 other signatures 2->59 7 Pnkfvrn.exe 16 6 2->7         started        12 Fzbeeq.exe 14 3 2->12         started        14 Fzbeeq.exe 2 2->14         started        16 2 other processes 2->16 signatures3 process4 dnsIp5 47 cdn.discordapp.com 162.159.130.233, 443, 49743 CLOUDFLARENETUS United States 7->47 49 192.168.2.1 unknown unknown 7->49 35 C:\Users\user\AppData\Roaming\...\Fzbeeq.exe, PE32 7->35 dropped 37 C:\Users\user\...\Fzbeeq.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\...\Pnkfvrn.exe.log, ASCII 7->39 dropped 75 Creates multiple autostart registry keys 7->75 77 Writes to foreign memory regions 7->77 79 Injects a PE file into a foreign processes 7->79 18 MSBuild.exe 2 8 7->18         started        51 162.159.135.233, 443, 49756, 49762 CLOUDFLARENETUS United States 12->51 81 Multi AV Scanner detection for dropped file 12->81 83 Machine Learning detection for dropped file 12->83 23 MSBuild.exe 12->23         started        25 MSBuild.exe 14->25         started        27 MSBuild.exe 14->27         started        29 conhost.exe 16->29         started        31 conhost.exe 16->31         started        file6 signatures7 process8 dnsIp9 43 mail.str1990.co.th 119.59.100.49, 25, 49752, 49755 METRABYTE-TH453LadplacoutJorakhaebuaTH Thailand 18->43 45 windowsupdatebg.s.llnwi.net 18->45 33 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 18->33 dropped 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->61 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->63 65 Tries to steal Mail credentials (via file / registry access) 18->65 73 3 other signatures 18->73 67 Tries to harvest and steal browser information (history, passwords, etc) 23->67 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->69 71 Tries to harvest and steal ftp login credentials 25->71 file10 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9213771d3c5189ae487f47c552a34856d2298ed22aac305bc5f29c03212312ea/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-05-04 03:29:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
13 of 42 (30.95%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sijxohj4kge24sd7i7cvfi2ik3jctdwsfkwdaw6f6koagijdclva._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
29478db896444dc2bed1ae2346fcb41e505152127be5d1798851964210c264a7
AgentTesla
47f55d901f3a0fcc649afa6e44bd4307fffd877ac92a33fde21992a93e54b27d
AgentTesla
4a78da86088eed90bd838d99d1afd5ceaca6c9c521be450639670f6d06a7fe77
AgentTesla
79afc9b39ba7fe7dd6ed282d39eb915bb47271d552177f62c6606b99901f9cd2
AgentTesla
8bc03680f98a99ea21d78a4a132be678f848a7209efa0656123745fba54fae03
AgentTesla
9a693191c99ec28e49e610cd89af5137fb077ad8b4d7452828dbabd055e65384
AgentTesla
9dd91a17703dba0d4582e24431c17eac4fdca602ea8d14f4f43afcc2657b3bbc
AgentTesla
9fbdcf044aba61ae6c0678b5f83fc4bd8b589ba3a4fd12a5bef53e2ead494eed
AgentTesla
f366cb892570b264ce73bd7c818ee214f0e5f00dc008a4dac5fa5cdc095ddab7
AgentTesla
faabfe5dfc64dc288ba532a14ad6416afc8c81418ccbf2411760bf25f91d6939
AgentTesla
+ 2'017 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220504-d1wsraffhk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
AgentTesla
Unpacked files
SH256 hash:
9213771d3c5189ae487f47c552a34856d2298ed22aac305bc5f29c03212312ea
MD5 hash:
f9caf8fc993d4f508d69a775d5b22f57
SHA1 hash:
3e22686152b247c182f83b5aa76bafb1f27a80d6
Link:
https://www.unpac.me/results/80b0c8f0-ef82-4523-8655-5afbe993566a/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9213771d3c51/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/9213771d3c5189ae487f47c552a34856d2298ed22aac305bc5f29c03212312ea

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
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 9213771d3c5189ae487f47c552a34856d2298ed22aac305bc5f29c03212312ea

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/268505/

Comments