MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31149772b5eff1ebb9326af6a2ee4e4007dd6c6ad30bef239dc7bf50cd1d219f. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31149772b5eff1ebb9326af6a2ee4e4007dd6c6ad30bef239dc7bf50cd1d219f
SHA3-384 hash: 90c8166f7f222730a83b9599e7dbdd8a03722464e7b5ce286cba286cd12a661cc6c1108fcbd2cb1f348024058aa24d75
SHA1 hash: 2db5195bed03c3a19d8cb3d368ed6a4454bb85e8
MD5 hash: fd399fe4a7a229aa3cdafc194ec90587
humanhash: magnesium-golf-six-tennessee
File name:RFQ10037800.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:802'816 bytes
First seen:2022-02-11 07:18:14 UTC
Last seen:2022-02-11 08:38:10 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:D16Qm5OZtZNnpVK5xkN1BnmIu1W+KdhOk98ZrpVRikk0CLeZyNBV9J6SfH42sadp:D1A5OjnThNnif0zuZ/IkB83VmSfH4
Threatray 14'981 similar samples on MalwareBazaar
TLSH T1FC05F0AC765079DFCC67C97A99A86C28A6A1347B430FA30B951355EC9A0DAD3CF104F3
File icon (PE):PE icon
dhash icon f0c4b2d4f0a2ccf0 (25 x AgentTesla, 9 x Formbook, 6 x Loki)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2DB5195BED03C3A19D8CB3D368ED6A4454BB85E8
Verdict:
Malicious activity
Analysis date:
2022-02-11 13:56:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b6c09f9f-77c4-49aa-a465-cddb34cd23e4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/240847/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.GPD.genEldorado.2106.10775.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62060dea289e2f3e4fc13456/reports/5486aba4-913a-42c9-a16b-7666b644a7e3/overview
Result
Verdict:
UNKNOWN
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/922d3d06-1530-4222-ac63-66e3cef511c1
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/938339
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
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)
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 570821 Sample: RFQ10037800.pdf.exe Startdate: 11/02/2022 Architecture: WINDOWS Score: 100 61 Malicious sample detected (through community Yara rule) 2->61 63 Multi AV Scanner detection for dropped file 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 9 other signatures 2->67 7 RFQ10037800.pdf.exe 7 2->7         started        11 YYtJku.exe 5 2->11         started        13 YYtJku.exe 2->13         started        process3 file4 47 C:\Users\user\AppData\...\zPuibqhFLG.exe, PE32 7->47 dropped 49 C:\Users\user\AppData\Local\...\tmp632B.tmp, XML 7->49 dropped 51 C:\Users\user\...\RFQ10037800.pdf.exe.log, ASCII 7->51 dropped 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->69 71 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->71 73 Uses schtasks.exe or at.exe to add and modify task schedules 7->73 15 RFQ10037800.pdf.exe 2 5 7->15         started        19 powershell.exe 25 7->19         started        21 schtasks.exe 1 7->21         started        75 Multi AV Scanner detection for dropped file 11->75 77 Adds a directory exclusion to Windows Defender 11->77 23 powershell.exe 11->23         started        25 schtasks.exe 11->25         started        33 2 other processes 11->33 27 powershell.exe 13->27         started        29 schtasks.exe 13->29         started        31 YYtJku.exe 13->31         started        signatures5 process6 file7 53 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 15->53 dropped 55 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 15->55 dropped 57 Moves itself to temp directory 15->57 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->59 35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        45 conhost.exe 29->45         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/31149772b5eff1ebb9326af6a2ee4e4007dd6c6ad30bef239dc7bf50cd1d219f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-11 07:19:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
28 of 42 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gekjo4vv57y6xojsnl3kf3soiad523dk2mf66i45y67vbti5egpq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
149e5cb565e56469e6ff5c929185e203c92be0d8541faf0cf38da0003ae211d3
AgentTesla
1c01390493fc6efc61f767ca138de2a88f68f58c1682a6aa85e40e9ccc5edf1e
AgentTesla
469efc04541dc37e7339026e65e1ae28559252e585bfb523e052ec8bc9aa066c
AgentTesla
6c5bb0bbd4973666ee779f809dc98c94cfd6eb2650df78feb00c5e391bb4c49f
AgentTesla
7fb4a26d9f2c3a08c69d7f5838b7f88d8c6f31ab2aa69b130b150449baaea7ad
AgentTesla
e9df10889f9591164da6652ef244bc05c5434123230eaaa1c52d82560a7447ef
AgentTesla
ef075f7e4efc20bbaeb15bbf7cbe1c2572f7fefa214b8e2279427ef708bbe01f
AgentTesla
+ 14'971 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220211-h5jffaeabk/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
f365b92b11041eed57b6f7534e83e04167fce1cfacc570e79335292f3c0ea8aa
MD5 hash:
9147a2ef317fe384182d1281e5af8110
SHA1 hash:
bbe360e6eca29a32e1f787e1416ddad4d35dcf1a
Link:
https://www.unpac.me/results/7109d069-3a66-4fbe-8122-f15f14485ffb/
SH256 hash:
e9efb7fb049bee91f9ee50368b05b9d9cda37fc0d04521933c48fd836c6d2552
MD5 hash:
cf7a39486921d689667611b07f15d8bd
SHA1 hash:
9d5162940f39ea7403f2e9a35f24334441278f1d
Link:
https://www.unpac.me/results/7109d069-3a66-4fbe-8122-f15f14485ffb/
SH256 hash:
be10af4fe36dc478e1871c39120085ee4b95b4ade09c66227b32e620f9948364
MD5 hash:
bf1b2951ad84791c48d970b36f914b48
SHA1 hash:
58021486d875def3a8a8b2b1ceeaf08386a47e08
Link:
https://www.unpac.me/results/7109d069-3a66-4fbe-8122-f15f14485ffb/
SH256 hash:
57ce78bf6e1df0a953be7e2955a6fa00ca770d2667c641da959bd3d36cd187e0
MD5 hash:
3719513afd11d7c890968ebec0b39e1a
SHA1 hash:
2f0ad49b2c6fbc836f68446f5216406b1ba258b9
Link:
https://www.unpac.me/results/7109d069-3a66-4fbe-8122-f15f14485ffb/
SH256 hash:
31149772b5eff1ebb9326af6a2ee4e4007dd6c6ad30bef239dc7bf50cd1d219f
MD5 hash:
fd399fe4a7a229aa3cdafc194ec90587
SHA1 hash:
2db5195bed03c3a19d8cb3d368ed6a4454bb85e8
Link:
https://www.unpac.me/results/7109d069-3a66-4fbe-8122-f15f14485ffb/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/31149772b5ef/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:exec_macros
Create hunting rule
Author:ddvvmmzz
Description:exec macros
Rule name:obfuscate_macros
Create hunting rule
Author:ddvvmmzz
Description:obfuscate macros
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.

Malspam

AgentTesla

Executable exe 31149772b5eff1ebb9326af6a2ee4e4007dd6c6ad30bef239dc7bf50cd1d219f

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/240847/

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