MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f77457a79ecefa2f12d0ed50fa208259c89c10a42857cf6e397c73d7a7541922. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f77457a79ecefa2f12d0ed50fa208259c89c10a42857cf6e397c73d7a7541922
SHA3-384 hash: ebfe5c6623ce7e054033a7b303130ec44f0d66e33e456ed12080b0b0d821d3f7e46454f95a084c3cbf15e45746e86209
SHA1 hash: 68c467859d8e52ebcda5c801210c3d7a36e3564e
MD5 hash: a581c47618837c5a902b6399ec7af567
humanhash: winner-low-emma-cold
File name:chima(1).exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:676'864 bytes
First seen:2023-12-13 11:25:33 UTC
Last seen:2023-12-13 13:25:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:YkQ+4WpAETw0BCmHNOdXgox5iVjNUDSMuimuMgWnTU7lo7BaznT2Ry7K+:xpAETw0Mdwo4QmNU7CBaznT
TLSH T111E422007B59854FEAFBA7B660E42A0223B0BD1797A6E3CCBDC130DB14F676129C0563
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon f0c896b2b296e8f0 (19 x AgentTesla, 5 x Formbook, 2 x AsyncRAT)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
296
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/467138/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.27838.12508.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
hook keylogger packed
Link:
https://www.filescan.io/uploads/657994cf18cffa73b1e46568/reports/57299698-0ec6-47cf-aad2-fd125d91d765/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/f77457a79ecefa2f12d0ed50fa208259c89c10a42857cf6e397c73d7a7541922
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/0fd4d669-2c0b-4c58-82bb-9d35fc9dd3e7
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1361311
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
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
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f77457a79ecefa2f12d0ed50fa208259c89c10a42857cf6e397c73d7a7541922
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f77457a79ecefa2f12d0ed50fa208259c89c10a42857cf6e397c73d7a7541922/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-12 08:16:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
15 of 37 (40.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=652fpj46z35c6ewq5vipuieclhejyefefbl463rzprz5pj2udera._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger rat spyware stealer trojan
Link:
https://tria.ge/reports/231213-njvjgabhfj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/75478a73-7421-4cfc-acbc-4211ddc09dfc/
SH256 hash:
a4d9d85f01217a9dc72343c69df0cb523c5abd8f41bfb92d04f2bef8e8d45bc7
MD5 hash:
761bcd4394c06f1e6654cb04cdf423a4
SHA1 hash:
764540c4dcdd2b0f898d2fae01af80476fd3de84
Link:
https://www.unpac.me/results/75478a73-7421-4cfc-acbc-4211ddc09dfc/
SH256 hash:
9584b93ff6afe50e4fed59e1a8a08828ee4c5e28ab0d995c13601e14589aaf5f
MD5 hash:
e0e3e4413e7d1b3b0d48a0d6d9a4183b
SHA1 hash:
5b1f276565b46f4a4b0b3023ae5a1b478c6abda1
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/75478a73-7421-4cfc-acbc-4211ddc09dfc/
Parent samples :
d6daf3ad6c4bf6d101e9c10058e9a6389e7900feb99d6807db636ea2e8ab85aa
b74c35fff28c2545faae06261ed6ee1649067638169ef24dfa449bb201fd6039
22e6002a6d91fa1b1776f6b2e1cea01312a95ba504643bead0deaa0b90e193eb
b67abceaad8827d5b7758e2351c16fbe50e80d71e371bcac2a1bbd95857a7bf8
4c98e73ad9fc8d3a97d2bf372165d819c2c9db0fcf1e0fafb742749dc0392a72
a80234729d0f51db5c44b1b7c198f64510bd6356876d99ff2acf36a8f9902807
8f628c7bc68de83d40833fbd8182374e0cf28b13bacb3748367caffc3d26b7bb
a7198e30b7476e90ade4fe4381b80aad3d416198d00a453ed1b4b465df2962e7
f17888c39de05db240eac5f53edc8ad9c1b1512c428dfcce5078bb9636395a8d
392fd8412e2fb96a3a9c54cd0aa32cf6c3bea21432e1ee46690412580055c214
f77457a79ecefa2f12d0ed50fa208259c89c10a42857cf6e397c73d7a7541922
d97147a27a5e87a356dc86aa78f6f764805c16454453014d4b68d510487147d4
e50bfa53e75f7c54582c2609f3c59db91bb47590a43a49e95e5458a6ae97ad4b
SH256 hash:
7d968ee2ec1bf4c1bf9228f8f2794675de987ac83bac5f8c608963526a435ed3
MD5 hash:
1845455753429aeee7c7762ef407d8ea
SHA1 hash:
050f55f9458f419c8fec7b31cf80542849d33a76
Link:
https://www.unpac.me/results/75478a73-7421-4cfc-acbc-4211ddc09dfc/
SH256 hash:
f77457a79ecefa2f12d0ed50fa208259c89c10a42857cf6e397c73d7a7541922
MD5 hash:
a581c47618837c5a902b6399ec7af567
SHA1 hash:
68c467859d8e52ebcda5c801210c3d7a36e3564e
Link:
https://www.unpac.me/results/75478a73-7421-4cfc-acbc-4211ddc09dfc/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f77457a79ece/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/f77457a79ecefa2f12d0ed50fa208259c89c10a42857cf6e397c73d7a7541922

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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 f77457a79ecefa2f12d0ed50fa208259c89c10a42857cf6e397c73d7a7541922

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/467138/

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