MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aaddffb20e26092a85aa566936443dd5ca8e70a8f1e5456355d81882dbc7b856. 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

SHA256 hash: aaddffb20e26092a85aa566936443dd5ca8e70a8f1e5456355d81882dbc7b856
SHA3-384 hash: d2371f8d02dd0393941786f5b158ff9b027bf30830447cc2ed8fe2dd65b5fc72822b5ac13ca24c8ba15219bdf334f26d
SHA1 hash: e0c4404c2507cf058a2b675a4a8799a68c8f9abd
MD5 hash: e6394d71525a3d1285f0ba6cfed896d6
humanhash: delaware-mike-pennsylvania-uncle
File name:PRE-ALERT SKLZ2112352 SHANGHAI.exe
Download: download sample
Signature AgentTesla
File size:727'552 bytes
First seen:2023-05-31 05:56:10 UTC
Last seen:2023-05-31 06:34:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:wIAMTihh6xhZ6OrpcRucr7X/tmj2x9Jw0pDaOdaDGkRXeZcRXb15qgM:sMUgh8y+pr7Xlmj2dJB7YxfL15ql
Threatray 1'977 similar samples on MalwareBazaar
TLSH T159F41215EBBF1A17C0627D7D5A70517856FCC940902FE2AFE98B28BFC804A75ACE3161
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)
File icon (PE):PE icon
dhash icon 5169ccd4b2968e96 (11 x AgentTesla, 5 x Loki, 4 x Formbook)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
249
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PRE-ALERT SKLZ2112352 SHANGHAI.exe
Verdict:
Malicious activity
Analysis date:
2023-05-31 05:59:02 UTC
Tags:
n/a

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

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
AgentTesla, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
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)
May check the online IP address of the machine
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
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 878784 Sample: PRE-ALERT_SKLZ2112352_SHANG... Startdate: 31/05/2023 Architecture: WINDOWS Score: 100 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus / Scanner detection for submitted sample 2->62 64 6 other signatures 2->64 7 PRE-ALERT_SKLZ2112352_SHANGHAI.exe 7 2->7         started        11 chkttKUnqH.exe 5 2->11         started        13 My App.exe 2->13         started        15 My App.exe 2->15         started        process3 file4 44 C:\Users\user\AppData\...\chkttKUnqH.exe, PE32 7->44 dropped 46 C:\Users\...\chkttKUnqH.exe:Zone.Identifier, ASCII 7->46 dropped 48 C:\Users\user\AppData\Local\...\tmpE2A5.tmp, XML 7->48 dropped 50 C:\...\PRE-ALERT_SKLZ2112352_SHANGHAI.exe.log, CSV 7->50 dropped 78 Uses schtasks.exe or at.exe to add and modify task schedules 7->78 80 Adds a directory exclusion to Windows Defender 7->80 17 RegSvcs.exe 17 4 7->17         started        22 RegSvcs.exe 7->22         started        24 powershell.exe 21 7->24         started        26 schtasks.exe 1 7->26         started        82 Antivirus detection for dropped file 11->82 84 Multi AV Scanner detection for dropped file 11->84 86 Machine Learning detection for dropped file 11->86 28 schtasks.exe 1 11->28         started        30 RegSvcs.exe 2 11->30         started        32 conhost.exe 13->32         started        34 conhost.exe 15->34         started        signatures5 process6 dnsIp7 52 api4.ipify.org 104.237.62.211, 443, 49700 WEBNXUS United States 17->52 54 smtp.gmail.com 172.217.218.109, 49701, 587 GOOGLEUS United States 17->54 56 api.ipify.org 17->56 42 C:\Users\user\AppData\Roaming\...\My App.exe, PE32 17->42 dropped 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->66 68 Tries to steal Mail credentials (via file / registry access) 17->68 70 Tries to harvest and steal browser information (history, passwords, etc) 17->70 72 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->72 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->74 76 May check the online IP address of the machine 22->76 36 conhost.exe 24->36         started        38 conhost.exe 26->38         started        40 conhost.exe 28->40         started        file8 signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-05-31 01:22:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
23 of 36 (63.89%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
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
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
SH256 hash:
b845298489a78c7d66ba9e106de1606e64f9104b2fedc756ebe22275dbee8634
MD5 hash:
9e4440f3a14a5099078ddb26d3fef08d
SHA1 hash:
80c47af8fa3ccfabbb1ec79e7f7b03c19b337dbf
SH256 hash:
ab866ef8a6802c76990935bec2ae6b32357f831ac192282d551bd37e49eb4cd2
MD5 hash:
6ffc390ad03eb30f2c626d4da953fd8e
SHA1 hash:
4180cc051c780ef177792ea9946d7853ed44a60c
SH256 hash:
7eabe808b11e30c6451dfe89b0562ebbdb98f2d4cfff70bc5a7ea84499d3bdee
MD5 hash:
b8ba9f55f02c95b07ec0ae58c9e49fac
SHA1 hash:
37a19363337fb8b70c5ec95e12caff17f9000ec3
SH256 hash:
aaddffb20e26092a85aa566936443dd5ca8e70a8f1e5456355d81882dbc7b856
MD5 hash:
e6394d71525a3d1285f0ba6cfed896d6
SHA1 hash:
e0c4404c2507cf058a2b675a4a8799a68c8f9abd
Malware family:
AgentTesla.v4
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.

Malspam

AgentTesla

Executable exe aaddffb20e26092a85aa566936443dd5ca8e70a8f1e5456355d81882dbc7b856

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments