MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51b9a732f19371ba83e4d9f920665d7ff402a57782ff43fd447cff2c73c6397d. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
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SHA256 hash: 51b9a732f19371ba83e4d9f920665d7ff402a57782ff43fd447cff2c73c6397d
SHA3-384 hash: 0af82b450ceabda0276e52b492525c6ae5bfa3a4b8ef8aae58d5322411125c204c30d5cd178bf8e9eb5884086d208807
SHA1 hash: fdf1f3970ab95e67765517bb29b8e2dc06bfcc5e
MD5 hash: 5518dd63ae04917f0647f698d49f5c1a
humanhash: steak-cat-uniform-bravo
File name:REVISED FINAL ORDER LIST-pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:33'280 bytes
First seen:2021-10-20 00:17:25 UTC
Last seen:2021-10-20 11:52:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:DaONo4AbpW5tdzMOs4UQWEctJpoI7lZdS6/pCqomSDxr2QmUa3P4keIKDQckRKD9:DaO6/Q5t5rUzEcCUDfqxr294dT90PG+
Threatray 12'039 similar samples on MalwareBazaar
TLSH T18AE22A237398C588E1D495328DE7EC600AF1F9235440F75E32F07A6E6E33783EA4A249
File icon (PE):PE icon
dhash icon 696a6ee2b2b2c2cc (18 x RedLineStealer, 17 x LummaStealer, 16 x CoinMiner)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/198677/
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.28159.20408.28786.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a service
Creating a window
Connection attempt to an infection source
Sending a TCP request to an infection source
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Query of malicious DNS domain
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/616faf4cdb358dd15ec5585d/reports/4555c388-d71e-43e6-8e03-28a1061af811/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:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/23208b44-ab75-437b-abd6-7fde108aac07
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/873756
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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 access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 506180 Sample: REVISED FINAL ORDER LIST-pdf.exe Startdate: 20/10/2021 Architecture: WINDOWS Score: 100 62 Found malware configuration 2->62 64 Multi AV Scanner detection for dropped file 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 8 other signatures 2->68 6 REVISED FINAL ORDER LIST-pdf.exe 15 5 2->6         started        11 xepul.exe 14 4 2->11         started        13 xepul.exe 2 2->13         started        process3 dnsIp4 38 store2.gofile.io 31.14.69.10, 443, 49712, 49715 LINKER-ASFR Virgin Islands (BRITISH) 6->38 30 C:\Users\...\REVISED FINAL ORDER LIST-pdf.exe, PE32 6->30 dropped 32 REVISED FINAL ORDE...exe:Zone.Identifier, ASCII 6->32 dropped 34 C:\...\REVISED FINAL ORDER LIST-pdf.exe.log, ASCII 6->34 dropped 70 Writes to foreign memory regions 6->70 72 Allocates memory in foreign processes 6->72 74 Injects a PE file into a foreign processes 6->74 15 REVISED FINAL ORDER LIST-pdf.exe 2 11 6->15         started        36 C:\Users\user\AppData\Local\Temp\xepul.exe, PE32 11->36 dropped 76 Multi AV Scanner detection for dropped file 11->76 78 Machine Learning detection for dropped file 11->78 20 xepul.exe 2 11->20         started        22 xepul.exe 13->22         started        24 xepul.exe 13->24         started        file5 signatures6 process7 dnsIp8 40 mail.fclbd.com 192.185.76.91, 49788, 49794, 587 UNIFIEDLAYER-AS-1US United States 15->40 42 x1.i.lencr.org 15->42 26 C:\Users\user\...\xepul.exe:Zone.Identifier, ASCII 15->26 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->44 46 Tries to steal Mail credentials (via file access) 15->46 48 Tries to harvest and steal ftp login credentials 15->48 60 2 other signatures 15->60 50 Multi AV Scanner detection for dropped file 20->50 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->52 54 Machine Learning detection for dropped file 20->54 56 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->56 28 C:\Users\user\AppData\Roaming\...\xepul.exe, PE32 22->28 dropped 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->58 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/51b9a732f19371ba83e4d9f920665d7ff402a57782ff43fd447cff2c73c6397d/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2021-10-20 00:18:05 UTC
AV detection:
14 of 45 (31.11%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kg42omxrsny3va7e3h4sazs5p72afjlxql7uh7kept7sy46ghf6q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1a2b6238f4f28727686d60ab5dc696ba8b88672b123b8f18a8b05e7b6a4de4b0
AgentTesla
245e18b14a6b231f2a89b812dace828478aa24419d600e2ac8c7acd989320e1a
AgentTesla
3fdd6fb3ef8dc83279db7671263b4d7ea0fd896a3eebabe951ca86bd3cba7233
AgentTesla
745d7e099bc7b27dc1a92b85cb557aa62404c27fc1e0f6f04d5ba3735004bb77
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cbec1f939f7d969338a64c5b1e8db086b25c777cbadedc0017116d6a6ff3ef2d
AgentTesla
ddb27dedce37040816b06a70f6375dd10b5fc2f5dbc412ec42b8798fe4240ffa
AgentTesla
f0f4aecb098f92a033355c2058300583967a7fbf00c81ce2f3ba250b8ae3e277
AgentTesla
+ 12'029 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/211020-all38ahddj/
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
51b9a732f19371ba83e4d9f920665d7ff402a57782ff43fd447cff2c73c6397d
MD5 hash:
5518dd63ae04917f0647f698d49f5c1a
SHA1 hash:
fdf1f3970ab95e67765517bb29b8e2dc06bfcc5e
Link:
https://www.unpac.me/results/8e19c784-3fff-4bcc-a509-e4172476724c/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/51b9a732f193/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/51b9a732f19371ba83e4d9f920665d7ff402a57782ff43fd447cff2c73c6397d

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_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
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 51b9a732f19371ba83e4d9f920665d7ff402a57782ff43fd447cff2c73c6397d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/198677/

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