MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 683568d99336f284738255128c424498fe2bfac750f23f68c525f7cf66597eda. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 683568d99336f284738255128c424498fe2bfac750f23f68c525f7cf66597eda
SHA3-384 hash: 7bce035add14bef18cf9eb0f63ef3f58af7b7a3667415d520a1f8c34f3abaa9014e503dab3a438f02392487e4958a4c8
SHA1 hash: 96b5a100dbae21d4c9a694f17f7cdbed75265762
MD5 hash: f58878d201c8823098f6319366656312
humanhash: enemy-one-butter-fifteen
File name:UuiG0JUlzhD7P04.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:594'432 bytes
First seen:2023-07-26 05:48:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:qf2iN2GULfLCbKa1NjWhTa1EKVOwg+HN34c/dopdyPDeyZ:qf1xULjZaDjWcVOwHt34Mdopd/
Threatray 5'264 similar samples on MalwareBazaar
TLSH T15CC41222163CBF1ECDBA93F519A194004FF6E55EA172D24E2DC670DB8A13F2106A2F57
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
264
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
UuiG0JUlzhD7P04.exe
Verdict:
Malicious activity
Analysis date:
2023-07-26 05:49:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2804c84e-33a3-41ce-8fdd-22e57687aa4d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/433340/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/683568d99336f284738255128c424498fe2bfac750f23f68c525f7cf66597eda
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/b4b4e658-4c82-465d-b9e0-494501877582
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1279816
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1279816 Sample: UuiG0JUlzhD7P04.exe Startdate: 26/07/2023 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected AgentTesla 2->43 45 2 other signatures 2->45 6 UuiG0JUlzhD7P04.exe 3 2->6         started        10 NpwHxs.exe 3 2->10         started        12 NpwHxs.exe 2 2->12         started        process3 file4 23 C:\Users\user\...\UuiG0JUlzhD7P04.exe.log, ASCII 6->23 dropped 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->47 49 Injects a PE file into a foreign processes 6->49 14 UuiG0JUlzhD7P04.exe 2 5 6->14         started        51 Multi AV Scanner detection for dropped file 10->51 19 NpwHxs.exe 2 10->19         started        21 NpwHxs.exe 2 12->21         started        signatures5 process6 dnsIp7 29 mail.faber-castell.co.id 103.145.226.146, 49719, 49722, 49723 IDNIC-NSR-DEWAWEB-AS-IDPTDEWAWEBID unknown 14->29 25 C:\Users\user\AppData\Roaming\...25pwHxs.exe, PE32 14->25 dropped 27 C:\Users\user\...27pwHxs.exe:Zone.Identifier, ASCII 14->27 dropped 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->31 33 Tries to steal Mail credentials (via file / registry access) 14->33 35 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->35 37 Tries to harvest and steal browser information (history, passwords, etc) 21->37 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/683568d99336f284738255128c424498fe2bfac750f23f68c525f7cf66597eda/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-07-26 00:51:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=na2wrwmtg3zii44ckujiyqsetd7cx6whkdzd62gfex346zszp3na._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1017b164f0eee8334f2ee333f472077775f3cf9ee1629f65df63689134e04833
AgentTesla
1ee9ba9c96fa4a9a68820a23e3f4871a2cf75ba9d17ada9e709b3d770fbe049f
AgentTesla
530818a929752565849f8b1fab483a6a78d76488472db01106114046e2dd3466
AgentTesla
7668d64997d999a406e46cf050a2d3d373efbf269686bcbd1e6348241c471894
AgentTesla
8c7fa17fbd493ee5c1c6cfc4fb662e20ff8f5e41c189808a5fc7d666ce625fe5
AgentTesla
c3706faf1e9a38c879ec449a50da90aafcae01787b0e56962519d3edac1d6b42
AgentTesla
dc77bcebcccf792e8c87aea9ddc452b361e6f4da04bb44daed22b52670a8443b
AgentTesla
e9e8fca16128ab24243e04f97f894a93f4128a14927522d0b6586022560463fd
AgentTesla
f438c2b11a136949b2afbacca3b25dee891480911f0f5ce6cfbebe07e02e9d9c
AgentTesla
+ 5'254 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/230726-gh1krshd63/
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
Unpacked files
SH256 hash:
aefce4c6c02cdb55db0b8d6ab5f28802b709eb2c2aa7bdc9b5f9739950ae890e
MD5 hash:
3a9edef35c66144580e326c8f791a1e9
SHA1 hash:
83de131ead8c32730cf7f7020941ae737712d86b
Link:
https://www.unpac.me/results/22026e32-66e1-4359-9425-4afa04e543df/
SH256 hash:
011c4fb0aae968ff587f61de62e8b0278843d41a279189a3c07851fe8c7aeae3
MD5 hash:
5102d513a28bb52dfd51369dc5a59eca
SHA1 hash:
5e7257e2039e1718bbf59ccda16bdfeecc83e769
Link:
https://www.unpac.me/results/22026e32-66e1-4359-9425-4afa04e543df/
SH256 hash:
6e5ca7c61e1b316cda450b8cc2c8c176e422fbab36638c7f4cfabe7eb1884077
MD5 hash:
af56b0d45c9316a2a037d2b80913532a
SHA1 hash:
565c0ba35255270d2d91300755aeeabb2a0451d6
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/22026e32-66e1-4359-9425-4afa04e543df/
Parent samples :
7668d64997d999a406e46cf050a2d3d373efbf269686bcbd1e6348241c471894
c3706faf1e9a38c879ec449a50da90aafcae01787b0e56962519d3edac1d6b42
1017b164f0eee8334f2ee333f472077775f3cf9ee1629f65df63689134e04833
530818a929752565849f8b1fab483a6a78d76488472db01106114046e2dd3466
dc77bcebcccf792e8c87aea9ddc452b361e6f4da04bb44daed22b52670a8443b
683568d99336f284738255128c424498fe2bfac750f23f68c525f7cf66597eda
SH256 hash:
b9a20d6a037273d22acfef040a5ee5eaf300f8ed3cfa174ef8a7c400b3753105
MD5 hash:
f2ddeb90f1d02f7f07a7d4784907f037
SHA1 hash:
03ecca6a926462f1559c29e0d59dd99ed62b60fa
Link:
https://www.unpac.me/results/22026e32-66e1-4359-9425-4afa04e543df/
SH256 hash:
683568d99336f284738255128c424498fe2bfac750f23f68c525f7cf66597eda
MD5 hash:
f58878d201c8823098f6319366656312
SHA1 hash:
96b5a100dbae21d4c9a694f17f7cdbed75265762
Link:
https://www.unpac.me/results/22026e32-66e1-4359-9425-4afa04e543df/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/683568d99336/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/683568d99336f284738255128c424498fe2bfac750f23f68c525f7cf66597eda

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 683568d99336f284738255128c424498fe2bfac750f23f68c525f7cf66597eda

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/433340/

Comments