MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e55aa1f6ef57e2376032b0986b8cace738efacfa4f0558a4faeb331f34dce880. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1

SHA256 hash: e55aa1f6ef57e2376032b0986b8cace738efacfa4f0558a4faeb331f34dce880
SHA3-384 hash: 62e86b9996dc04ac69ed697e9c367fa75bcbac601d4bf4f7a0be8e56b17c2078b87d794ef217b9634d928a2b4771ed98
SHA1 hash: a019348ea598fc483d9d33a2f55866f70f50f919
MD5 hash: 058aee5808bf3342e2e98956a39d5ccd
humanhash: maryland-summer-earth-rugby
File name:058aee5808bf3342e2e98956a39d5ccd
Download: download sample
Signature AgentTesla
File size:663'552 bytes
First seen:2022-08-17 14:41:00 UTC
Last seen:2022-08-17 17:35:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:q+z50Q7pGK4Zdj20ToUF0k61+cayE65Rs2N37VC9jGKG9FTujWr:RuQt4Zdj20ToykuODN89jGxA
Threatray 18'718 similar samples on MalwareBazaar
TLSH T1D1E4126EB3C99F06C458077584D7A23507F2E6876573D3883A8966F20F867218DCB7AC
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
325
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
BankXDocument_202208167790.docx
Verdict:
Malicious activity
Analysis date:
2022-08-17 12:35:35 UTC
Tags:
generated-doc trojan opendir exploit CVE-2017-11882 loader agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Snort IDS alert for network traffic
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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 685660 Sample: Q5Syt4Ab6B Startdate: 17/08/2022 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 11 other signatures 2->51 6 Q5Syt4Ab6B.exe 3 2->6         started        10 app.exe 3 2->10         started        12 app.exe 2 2->12         started        process3 file4 27 C:\Users\user\AppData\...\Q5Syt4Ab6B.exe.log, ASCII 6->27 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->55 14 Q5Syt4Ab6B.exe 17 5 6->14         started        19 Q5Syt4Ab6B.exe 6->19         started        57 Multi AV Scanner detection for dropped file 10->57 59 Machine Learning detection for dropped file 10->59 21 app.exe 14 2 10->21         started        23 app.exe 2 12->23         started        25 app.exe 12->25         started        signatures5 process6 dnsIp7 33 api.telegram.org 149.154.167.220, 443, 49714, 49719 TELEGRAMRU United Kingdom 14->33 29 C:\Users\user\AppData\Roaming\app\app.exe, PE32 14->29 dropped 31 C:\Users\user\...\app.exe:Zone.Identifier, ASCII 14->31 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Tries to steal Mail credentials (via file / registry access) 14->37 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->39 41 Tries to harvest and steal ftp login credentials 23->41 43 Tries to harvest and steal browser information (history, passwords, etc) 23->43 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-17 14:41:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot5567447918:AAHym1LyMtOeSA64ZDJ0gs0qqLlnlox0ZFU/sendDocument
Unpacked files
SH256 hash:
38a6300d7cdb77c0c3840fb15f38db57e46921cd4a9fa6000ff4548d8e150388
MD5 hash:
74f1d6d5bfef6f950ee29a3a5ae2085a
SHA1 hash:
de0af88b82b61b73a437ee188ae52178dc685231
SH256 hash:
5a1caedfaefda2a3468f54956fb983b006a4c2cbdb28184a58bcb5bd8612d3be
MD5 hash:
e0fd535f3cb24ac10ff655ed89ea9805
SHA1 hash:
b30789e3522eebe2eca4fd2117218e1d2db785b8
SH256 hash:
44743dda09e3d58941f2330a4e3d11641a9cd1cb41306f30dd2575a17ccaec19
MD5 hash:
4e48d643ecc61d79cbff0d725c81ad88
SHA1 hash:
9c53f29dcfb790898ec9d90b8a77547064786e4e
SH256 hash:
6edc3b3ec1ddfc950d9d29ef8ee9fb53d59dc037abdfc57f593cb2b4947322c7
MD5 hash:
9057ff5882d8b9f1b587fe918b130ae4
SHA1 hash:
44875d4704d49a6d4e0ccd73623fb88f8967ed61
SH256 hash:
e48a5b4eb24c29f058cfde37a9ec8245a004f2170ec11ad17174521e85560a21
MD5 hash:
6e12e7570d29e022d862a4fd1ba8849a
SHA1 hash:
43c09bd6c86b0f565b48dd1b27f200d0d86471df
SH256 hash:
e55aa1f6ef57e2376032b0986b8cace738efacfa4f0558a4faeb331f34dce880
MD5 hash:
058aee5808bf3342e2e98956a39d5ccd
SHA1 hash:
a019348ea598fc483d9d33a2f55866f70f50f919
Malware family:
AgentTesla
Verdict:
Malicious
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:pe_imphash
Rule name:Skystars_Malware_Imphash
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 e55aa1f6ef57e2376032b0986b8cace738efacfa4f0558a4faeb331f34dce880

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-08-17 14:41:08 UTC

url : hxxp://212.193.0.144/66/vbc.exe