MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66ad671957356b0a979ac4ce68ade78f8ddfda2dabd4e1dc0b1ec68a1ac6dcf5. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66ad671957356b0a979ac4ce68ade78f8ddfda2dabd4e1dc0b1ec68a1ac6dcf5
SHA3-384 hash: 6877c9ea604b4aa1e7383bad555bf034068aa230489961772ae5811f5759c828fa5684c9dc9943822ec3371327f27c5f
SHA1 hash: 68a593c534df9153f79a164a11c930d509684f1b
MD5 hash: 85230ca9ac36a964607c95e1ca852110
humanhash: queen-oxygen-uniform-paris
File name:BALANCE PAYMENT.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:666'624 bytes
First seen:2022-10-21 05:34:17 UTC
Last seen:2022-10-24 18:02:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:I0JjowpCQo4EGM2kfRL9doYyFjnQ0Bv9+EGvH7yNHH2gtZE100nX:1EVPGYyhHF+HWF2uM
Threatray 19'532 similar samples on MalwareBazaar
TLSH T1CAE4E0BE5B444ED7CD2C997EC4A2916472F0FDAF1102F64E7D9320D90AE07DE8392896
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon dcc2ccecececc2dc (3 x AgentTesla, 1 x RemcosRAT, 1 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
7
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
BALANCE PAYMENT.exe
Verdict:
Malicious activity
Analysis date:
2022-10-21 05:37:22 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/0c2ea8dc-79cf-48a3-ad86-36432284dab1

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/322180/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.6790.4492.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63522f8766721ebd9b2f57c0/reports/56c7de64-05de-4047-ba70-c5b1c71531a9/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/6779e159-dad2-490d-99ba-ba3570141631
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1094632
Signature
.NET source code contains very large array initializations
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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 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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66ad671957356b0a979ac4ce68ade78f8ddfda2dabd4e1dc0b1ec68a1ac6dcf5/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-10-21 03:02:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m2wwogkxgvvqvf42ythgrlphr6g57wrnvpkodxald3diugwg3t2q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
8a009a9d847c3daafcc51139c4b315e17a53bebf28575ae911ea9e893f5a3f1b
AgentTesla
91139b19c219a2cf3882f5bcdc6610a8691b079c05ecf7aadb1d461bee084266
AgentTesla
a0b715dbe6410280098b511f7cf95b466c14f15de32ed2cd79744d2ebd7ad8ff
AgentTesla
ab828ebbb7925536f94b2fe3f34100bdc8326589deb88e90dd3490893495f19c
AgentTesla
ad218fa84daf745d843662eb723957cf805e2ddb1043f0f0f1b67f6a6d02111f
AgentTesla
be06f8a3ed040aadf2598bc5a9b4c886c271ad7866505dba11b723dba968f518
AgentTesla
be82b725c643ac9d30a503f2fd615d9bcd38ed9f0edbe53082d5743ded65e327
AgentTesla
+ 19'522 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/221021-f9z8msdhbm/
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
Looks up external IP address via web service
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c0586dcc-d491-442c-87ff-72f18b4af693
Unpacked files
SH256 hash:
e590ea69c4cb25b6267f395529ae988293e7cedd0ebe8bfcf0d98ae91e35bffd
MD5 hash:
61f9ac5773da429ada5bba98b13dfcae
SHA1 hash:
e9e8a04294a20f204238f339236ea74a1cfe2093
Link:
https://www.unpac.me/results/072b1227-5f92-4885-99b2-02255b4282c4/
SH256 hash:
79b61b9d0cd1652ed447ded8d8a820b3adc7e8ed06382bb4beba797ad10246f9
MD5 hash:
a7d4322a967f3ccc56dab11fd09b7cde
SHA1 hash:
646d3ad4d28d217def55b75134c4c154e31982af
Link:
https://www.unpac.me/results/072b1227-5f92-4885-99b2-02255b4282c4/
SH256 hash:
4f80ddfe49b270f801ab44aa899153bbe2a0fb93abed0f9fc992f74ff6ab4fde
MD5 hash:
f4ba8570299eabf8fe2d02cc1dc0606a
SHA1 hash:
5d7add32313074f5a1e9b4ab379298dee8b6217e
Link:
https://www.unpac.me/results/072b1227-5f92-4885-99b2-02255b4282c4/
SH256 hash:
66ad671957356b0a979ac4ce68ade78f8ddfda2dabd4e1dc0b1ec68a1ac6dcf5
MD5 hash:
85230ca9ac36a964607c95e1ca852110
SHA1 hash:
68a593c534df9153f79a164a11c930d509684f1b
Link:
https://www.unpac.me/results/072b1227-5f92-4885-99b2-02255b4282c4/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/66ad67195735/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/66ad671957356b0a979ac4ce68ade78f8ddfda2dabd4e1dc0b1ec68a1ac6dcf5

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

rar 657c17e064db45fbcf242d3c80641d50dbcc6ee1e2a63c3775acd2d025b832bd

AgentTesla

Executable exe 66ad671957356b0a979ac4ce68ade78f8ddfda2dabd4e1dc0b1ec68a1ac6dcf5

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/322180/
  
Dropped by
SHA256 657c17e064db45fbcf242d3c80641d50dbcc6ee1e2a63c3775acd2d025b832bd
  
Dropped by
MD5 9f34c3b02ab890422c0579c376c3b7a6

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