MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 537381abb23a16e3e02cbdbae6c59c6cf5ff6ddefec990a93b71f21fb417f3de. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 537381abb23a16e3e02cbdbae6c59c6cf5ff6ddefec990a93b71f21fb417f3de
SHA3-384 hash: 48c041698815e5af094c19145da60697d13798a3807a2b786de84d3308e3a21ff52c299671998ff7e9309fcfd34f0212
SHA1 hash: e67e705f327a01d98b9bcf4e1a12f303064266c4
MD5 hash: c3f02f30c489a8c0087f6731f7692dad
humanhash: lemon-blue-quiet-cold
File name:E700 quotation20111209.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:982'528 bytes
First seen:2022-09-12 14:11:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:K+SxJ49QXK8n8nJm7rhC0jIGbPdW/YPjsW8vV:yU8n8noNIMLPjsW8d
Threatray 19'492 similar samples on MalwareBazaar
TLSH T1B5252C0721C509A5C17250BC24CCC5B74B6ADE45E63BC946BFC9BDAFF5B2F2846D22A0
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 71d4f0f0f0f0d0f2 (11 x Formbook, 6 x AgentTesla, 5 x SnakeKeylogger)
Reporter 0xToxin
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
421
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
E700 quotation20111209.exe
Verdict:
Malicious activity
Analysis date:
2022-09-12 14:14:24 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/11a143b7-6498-4a20-9670-c85e8159d297

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/309503/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.42577.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a 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 process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/631f3ec7e73fb79b7a0e9825/reports/a673a617-f6fc-40c4-b5cc-4fe13967d19e/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/ee3ba619-dd8e-440b-a8ad-6cfe742116cd
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1068896
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Initial sample is a PE file and has a suspicious name
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)
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: Scheduled temp file as task from temp location
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 signatures2 2 Behavior Graph ID: 701427 Sample: E700 quotation20111209.exe Startdate: 12/09/2022 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Sigma detected: Scheduled temp file as task from temp location 2->39 41 Yara detected AgentTesla 2->41 43 11 other signatures 2->43 7 E700 quotation20111209.exe 7 2->7         started        process3 file4 25 C:\Users\user\AppData\...\jyshGdjXwbNZ.exe, PE32 7->25 dropped 27 C:\Users\...\jyshGdjXwbNZ.exe:Zone.Identifier, ASCII 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp38F2.tmp, XML 7->29 dropped 31 C:\Users\...700 quotation20111209.exe.log, ASCII 7->31 dropped 45 Adds a directory exclusion to Windows Defender 7->45 47 Injects a PE file into a foreign processes 7->47 11 E700 quotation20111209.exe 4 7->11         started        15 powershell.exe 17 7->15         started        17 schtasks.exe 1 7->17         started        19 3 other processes 7->19 signatures5 process6 dnsIp7 33 mail.rimiapparelsltd.com 11->33 35 rimiapparelsltd.com 67.222.130.10, 49727, 587 ASN-DISUS United States 11->35 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->49 51 Tries to steal Mail credentials (via file / registry access) 11->51 53 Tries to harvest and steal ftp login credentials 11->53 55 Tries to harvest and steal browser information (history, passwords, etc) 11->55 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/537381abb23a16e3e02cbdbae6c59c6cf5ff6ddefec990a93b71f21fb417f3de/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-09-12 14:12:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=knzydk5shilohybmxw5onrm4nt2763o673ezbkj3ohzb7nax6ppa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
167bdbad8706b30fa53023ce0d53670f7fd370342b4edbecb7beeeb0c0c9a4b7
AgentTesla
1f1fd45c3e5560960e07e8480bf9a692c92a50f3a4b173e13fa0b673204d84d1
AgentTesla
2a94cbccd066c93352211a7c6aa3de2870085450186fcba25bbfe951d3118d21
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6e98983540dff4d927b7fa4a7a0d4f99d66442543dd848765ac2a0acbd52fb46
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7e2e17acaad63eb949f83d96c9963806c9d3439f724d0aa4cf78ac325c44b428
AgentTesla
93984736b13dd41daae68ef2d3ac9b66b942347a0b5a087604419f8a667575f8
AgentTesla
a0f4a3c2b3a1b02cf1566df7b2e600213422e43117be18847eb6534eae053214
AgentTesla
bd6626a1e8507b95801a191e2d99cdbf756aa6e91d23f779f04c6061a02e0c9e
AgentTesla
fb5699f9385bb3eb377d898e906910579fcea1165ec6c189d37a310da4e079d0
AgentTesla
ff075bd120a01cea7441f17e7ed8b2cdc630c8445d3bf025133dcf190b41f0fe
AgentTesla
+ 19'482 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220912-rhv1dsdde7/
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
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
AgentTesla
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0eabf95a-6661-4ec0-a25f-bdc82311087b
Unpacked files
SH256 hash:
3eacfaf6db492dbd3bd0e85d14d28af2d12a93355e7f04bf8fca02b41a495d1a
MD5 hash:
c5c92d2fc49fe2c1b3d45612dea816c1
SHA1 hash:
f2e78bea453644b173a127c8e45faa035dff071f
Link:
https://www.unpac.me/results/d599c99c-e00b-4298-bf85-654ab0372257/
SH256 hash:
267eac7fb2998adbdee01fd4e928c28c84bfa8eef553d9a9841dbb9934a79ecb
MD5 hash:
486e56d920b8f55993e77457f33ec676
SHA1 hash:
6888465bf52136485f2e8c6cc5e45d071b4da1ff
Link:
https://www.unpac.me/results/d599c99c-e00b-4298-bf85-654ab0372257/
SH256 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
Link:
https://www.unpac.me/results/d599c99c-e00b-4298-bf85-654ab0372257/
SH256 hash:
4f9d8d7e8dd9ac0f691289752d74e5930c05994bff411a47f0fed1faff722036
MD5 hash:
343c2699f8eeeeb99098fe81d4f92a09
SHA1 hash:
d7464de9bc08d44944778ff5c832f43da07483d0
Link:
https://www.unpac.me/results/d599c99c-e00b-4298-bf85-654ab0372257/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/d599c99c-e00b-4298-bf85-654ab0372257/
SH256 hash:
537381abb23a16e3e02cbdbae6c59c6cf5ff6ddefec990a93b71f21fb417f3de
MD5 hash:
c3f02f30c489a8c0087f6731f7692dad
SHA1 hash:
e67e705f327a01d98b9bcf4e1a12f303064266c4
Link:
https://www.unpac.me/results/d599c99c-e00b-4298-bf85-654ab0372257/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/537381abb23a/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/537381abb23a16e3e02cbdbae6c59c6cf5ff6ddefec990a93b71f21fb417f3de

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 537381abb23a16e3e02cbdbae6c59c6cf5ff6ddefec990a93b71f21fb417f3de

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/309503/

Comments