MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 883afa1b571b00f324037ad14b2fd5e0693d9e665799bcddfd00fe04c4dedd50. 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 3 File information Comments
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SHA256 hash: 883afa1b571b00f324037ad14b2fd5e0693d9e665799bcddfd00fe04c4dedd50
SHA3-384 hash: a7125cd888984e0ae939410af8b37fffa26889576d412272a82bafaa054172e6049450df34dac173dd7a3266a630279a
SHA1 hash: fb8f7e0cb12ac810bd44deb9eb6bdcd180d10e61
MD5 hash: d25479bed404174f37cef1243447db22
humanhash: vermont-texas-alaska-mockingbird
File name:d25479bed404174f37cef1243447db22.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:549'888 bytes
First seen:2021-11-22 13:36:04 UTC
Last seen:2021-11-22 15:49:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:GdsCtD00XrN9pTCbMp8rlNdQjirjsWdFUGLvynn:GdsCC0XrN9V0QjisWDvyn
Threatray 12'915 similar samples on MalwareBazaar
TLSH T16BC4F06432456349E82C4F79CC3DC1963B3066D92919C6DDACEBE7CD1E32B172712AA3
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d25479bed404174f37cef1243447db22.exe
Verdict:
Malicious activity
Analysis date:
2021-11-22 13:44:43 UTC
Tags:
keylogger stealer agenttesla
Link:
https://app.any.run/tasks/5954d5fa-0b82-4672-9a03-778ab4888a5a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1107.28102.111.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/619b9cc894a88037d2fe6b36/reports/49ad6156-1cfe-471f-8e45-9b72aa8cd3a1/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1c9115df-ab34-4098-a181-65bcfad6899a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/893858
Signature
.NET source code contains very large array initializations
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
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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 526337 Sample: Rz8CDimdy1.exe Startdate: 22/11/2021 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 4 other signatures 2->47 6 Rz8CDimdy1.exe 3 2->6         started        10 newapp.exe 3 2->10         started        12 newapp.exe 2 2->12         started        process3 file4 25 C:\Users\user\AppData\...\Rz8CDimdy1.exe.log, ASCII 6->25 dropped 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->51 53 Injects a PE file into a foreign processes 6->53 14 Rz8CDimdy1.exe 2 9 6->14         started        19 Rz8CDimdy1.exe 6->19         started        55 Multi AV Scanner detection for dropped file 10->55 21 newapp.exe 2 10->21         started        23 newapp.exe 2 12->23         started        signatures5 process6 dnsIp7 31 transportescascao.com 188.93.230.115, 49821, 49822, 587 CLARANET-ASClaraNETLTDGB Portugal 14->31 27 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 14->27 dropped 29 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 14->29 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Tries to steal Mail credentials (via file / registry access) 14->35 37 Tries to harvest and steal ftp login credentials 14->37 39 3 other signatures 14->39 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/883afa1b571b00f324037ad14b2fd5e0693d9e665799bcddfd00fe04c4dedd50/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-22 10:23:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
25 of 44 (56.82%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
307553adbc3f412691ab7c2e231b5326be2a00e3b4bed5a6d9f8967bd66d2267
AgentTesla
50d90c2970d5762ae2d0413d1c9a97aa11f173ac44ece38738f7ec04910c8abe
AgentTesla
782e217ec684944693a03a56d29675c879b31fb570c5f9956552ba5968295463
AgentTesla
9e33ca4eee3b2499f384dcfd926f97675258157bbdbeaa5c6720abc746c77d2c
AgentTesla
9f0811d632c4b998b962e2493656a993b9a46a56007fa4d5798325a0830e0fa6
AgentTesla
ac22b41b8032e7b558fb97086308512b46828c3144fe9a2c8a4eb8987a9c3ca9
AgentTesla
ecd1fe2b5e0b6ce3b21a567913fdbde90f7f21a30955de30101bad4e35b7f75f
AgentTesla
+ 12'905 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/211122-qwae6sffaj/
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:
133a5354c2ebca7e1227ae5ac8162811dbc890676a34b53eef6519c5dbb41cc7
MD5 hash:
216f48269f59175c6a8afc930132b62d
SHA1 hash:
aebc44ac230c51b16dab4fbf223cbe0cee78ce01
Link:
https://www.unpac.me/results/6ee35078-d408-4367-a854-f333b06d0876/
SH256 hash:
4180af2f56062dd2eb7a3801649943245a6b9af951a8d10f6c01beabdc0ffdae
MD5 hash:
efe28068eedc8b3bc6b90cc3800bbc96
SHA1 hash:
ad959e1ea063bd9ad0ac5ca9931f63b970439580
Link:
https://www.unpac.me/results/6ee35078-d408-4367-a854-f333b06d0876/
SH256 hash:
f30ca642597c059f9dbcc6cfea27687245fbcaf5456be0b7a4528d946f3a0a05
MD5 hash:
0f6349011cf5446131faf0cadbace87b
SHA1 hash:
0cd48b5cb5a0ca095043c333c9002ba5273e92e8
Link:
https://www.unpac.me/results/6ee35078-d408-4367-a854-f333b06d0876/
SH256 hash:
883afa1b571b00f324037ad14b2fd5e0693d9e665799bcddfd00fe04c4dedd50
MD5 hash:
d25479bed404174f37cef1243447db22
SHA1 hash:
fb8f7e0cb12ac810bd44deb9eb6bdcd180d10e61
Link:
https://www.unpac.me/results/6ee35078-d408-4367-a854-f333b06d0876/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/883afa1b571b/report/overview.html
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/883afa1b571b00f324037ad14b2fd5e0693d9e665799bcddfd00fe04c4dedd50

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
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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.

Web download

AgentTesla

Executable exe 883afa1b571b00f324037ad14b2fd5e0693d9e665799bcddfd00fe04c4dedd50

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1792559/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/208185/
  
URLhaus
https://urlhaus.abuse.ch/url/1805925/

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