MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57c38984bd22e15b6b0ae6f05e03159e4f53b18692b2300c098c9094e631146f. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57c38984bd22e15b6b0ae6f05e03159e4f53b18692b2300c098c9094e631146f
SHA3-384 hash: b82ca87ba69ef4c7a7642e78cb0b69e7e100f2a5032a0d14bf559840d8dafbfe7b656c3c4d42311beb9ef3f362d27300
SHA1 hash: 60f77b7dadb2319551ce6d9b99a33ba6b08e5dd5
MD5 hash: a1cc1e03f68bbe196f1c852c9a851e95
humanhash: romeo-october-earth-crazy
File name:Draft MBL + HBL - #22E03SPE02030.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'297'408 bytes
First seen:2022-03-29 15:45:04 UTC
Last seen:2022-03-29 16:40:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:MgjjsXHYxirKfpBDjN30gdI0N1Os58U6vmizlu3:V2yBdjN30ULOzmO
Threatray 16'077 similar samples on MalwareBazaar
TLSH T177550148F2948AB9D81946B4687188101376BF3A546CDB7D39B572FF2BB33C21116F2B
File icon (PE):PE icon
dhash icon f9c9c9c8dcc1ce0c (13 x AgentTesla, 3 x Formbook, 2 x Loki)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/259323/
Detection(s):
SecuriteInfo.com.Variant.Strictor.68153.22850.17082.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
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 process from a recently created file
Creating a file in the %temp% directory
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/624329bb1f204239484be5f7/reports/914cf7ee-cfc7-49d8-a87b-f81e3f4a2bf9/overview
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/85d2c459-1385-4166-b4a9-4f4524739c60
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/966935
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)
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)
Modifies the hosts file
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: Suspicious Add Scheduled Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
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 dnsIp2 2 Behavior Graph ID: 599422 Sample: Draft MBL + HBL - #22E03SPE... Startdate: 29/03/2022 Architecture: WINDOWS Score: 100 55 mail.interior-technologies.co.ug 2->55 57 interior-technologies.co.ug 2->57 59 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Multi AV Scanner detection for dropped file 2->63 65 13 other signatures 2->65 9 Draft MBL + HBL - #22E03SPE02030.exe 7 2->9         started        13 zlehW.exe 2->13         started        15 zlehW.exe 2->15         started        signatures3 process4 file5 43 C:\Users\user\AppData\...\eThoHLvrBpx.exe, PE32 9->43 dropped 45 C:\Users\...\eThoHLvrBpx.exe:Zone.Identifier, ASCII 9->45 dropped 47 C:\Users\user\AppData\Local\...\tmp294D.tmp, XML 9->47 dropped 49 Draft MBL + HBL - #22E03SPE02030.exe.log, ASCII 9->49 dropped 75 Adds a directory exclusion to Windows Defender 9->75 77 Injects a PE file into a foreign processes 9->77 17 Draft MBL + HBL - #22E03SPE02030.exe 9->17         started        22 powershell.exe 25 9->22         started        24 powershell.exe 24 9->24         started        26 2 other processes 9->26 79 Multi AV Scanner detection for dropped file 13->79 81 Machine Learning detection for dropped file 13->81 signatures6 process7 dnsIp8 51 interior-technologies.co.ug 192.185.92.29, 49719, 49720, 587 UNIFIEDLAYER-AS-1US United States 17->51 53 mail.interior-technologies.co.ug 17->53 37 C:\Users\user\AppData\Roaming\...\zlehW.exe, PE32 17->37 dropped 39 C:\Windows\System32\drivers\etc\hosts, ASCII 17->39 dropped 41 C:\Users\user\...\zlehW.exe:Zone.Identifier, ASCII 17->41 dropped 67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->67 69 Tries to steal Mail credentials (via file / registry access) 17->69 71 Tries to harvest and steal ftp login credentials 17->71 73 3 other signatures 17->73 28 conhost.exe 22->28         started        31 conhost.exe 24->31         started        33 conhost.exe 26->33         started        file9 signatures10 process11 signatures12 83 Adds a directory exclusion to Windows Defender 28->83 35 powershell.exe 31->35         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/57c38984bd22e15b6b0ae6f05e03159e4f53b18692b2300c098c9094e631146f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-29 15:46:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
49
AV detection:
17 of 25 (68.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k7bytbf5elqvw2yk43yf4ayvtzhvhmmgskzdadajrsijjzrrcrxq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
8dfb5ef547fe03418d49d47bd09e6b18cc8413542308225b1d83606a5178c0ab
AgentTesla
a53fdb9b6f2f57ed4049cea852039a12ca611054aff8eb82f33d818ab27fd251
AgentTesla
c39a8dafb70b4adfb21ca557c23f3b81fc965c204bb70d515f8903f3205b72b7
AgentTesla
cb8a9b5d2805d85958107ca28599e7650278a5573d2ea6f2b01565b22457c954
AgentTesla
cdadc76f61382593d88182fc8d09eb68d39c5ecddc5c13e8c45341615bc91b21
AgentTesla
defbeba113680db4e014a2b34be77a64529d1e0d5fb837e732eec92b842d364d
AgentTesla
e8113cb73f2c87ceece965da48e6f55a222fa92c6800c069babe30dfd76db633
AgentTesla
+ 16'067 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220329-s64g4sbgcp/
Behaviour
Creates scheduled task(s)
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
Adds Run key to start application
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
Drops file in Drivers directory
AgentTesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
76014458bacf11320da4d567c982024760079f2ad72b1954a745dc8dd1c8b5ae
MD5 hash:
84ba58cec9a4c85422be16e345753b25
SHA1 hash:
c66d5d983c4421a30a4384af1bfe388f0c800d68
Link:
https://www.unpac.me/results/707a7973-d113-43fc-8aab-eec48ebbfa75/
SH256 hash:
6354e0b517ed784a55c9aa9a3007e588c23622b78a613b1f83e2adaf87cc5dd4
MD5 hash:
9c257ac14213a17aaac1e585b73d63f4
SHA1 hash:
c2a9d7f89a566cef762d94b2d25af4da4d2bb9ba
Link:
https://www.unpac.me/results/707a7973-d113-43fc-8aab-eec48ebbfa75/
SH256 hash:
3e2555f90c5ea13e77aee42c9ce0556d250aa909f46beb12f5072f7614e6b230
MD5 hash:
080bb4ba8dcda3050a86fb75ca465a27
SHA1 hash:
b7e1140bc7687a9a5494570890066b70004b0a25
Link:
https://www.unpac.me/results/707a7973-d113-43fc-8aab-eec48ebbfa75/
SH256 hash:
613b2819d35360cbfe6c94b2b998d1a4998c89f5bdef505e0e158e1288ab684c
MD5 hash:
3096cbaf4b5d40f9c61bf7ce13fde62f
SHA1 hash:
6b3c580e51fd306bfdc2e727ca3bc7805aba4b53
Link:
https://www.unpac.me/results/707a7973-d113-43fc-8aab-eec48ebbfa75/
SH256 hash:
57c38984bd22e15b6b0ae6f05e03159e4f53b18692b2300c098c9094e631146f
MD5 hash:
a1cc1e03f68bbe196f1c852c9a851e95
SHA1 hash:
60f77b7dadb2319551ce6d9b99a33ba6b08e5dd5
Link:
https://www.unpac.me/results/707a7973-d113-43fc-8aab-eec48ebbfa75/
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/57c38984bd22e15b6b0ae6f05e03159e4f53b18692b2300c098c9094e631146f

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: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 57c38984bd22e15b6b0ae6f05e03159e4f53b18692b2300c098c9094e631146f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/259323/

Comments