MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 026b11037329ad5ff8cda17668d30b59366df051ab09ab35790f2d2e8324a85d. 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
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SHA256 hash: 026b11037329ad5ff8cda17668d30b59366df051ab09ab35790f2d2e8324a85d
SHA3-384 hash: 67278af711005182a29a328188e4bcc38ecb2cd1793f1abc737acb0cce9b855068c32601d652fb44f387d6992a06e4a6
SHA1 hash: 022a5f042e3db04009dad89006532618fbed8808
MD5 hash: 4df280fea800291ab943f10909194e74
humanhash: stairway-asparagus-single-coffee
File name:76.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:6'144 bytes
First seen:2022-10-20 20:28:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 96:Giete33Zahzeo7yycaw1H+AUn2YQrtbszNt:ets3uz1bw1HelQrxW
Threatray 20'179 similar samples on MalwareBazaar
TLSH T187C1D600A3E94732DE360777AD73574107B5EB959E93D76E68C4124F2E1B7C00E626B1
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)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
76.exe
Verdict:
Malicious activity
Analysis date:
2022-10-20 20:31:20 UTC
Tags:
trojan agenttesla
Link:
https://app.any.run/tasks/9b4de55c-11d3-47a1-b3a1-68542f11d565

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/322134/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader45.25748.24565.16365.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
Link:
https://www.filescan.io/uploads/6351af8ffdf6478a15afa982/reports/e24e7285-80ef-4ae5-aca3-7d62922ae10e/overview
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/70537abb-e8f5-426e-9f45-4de13dc97f49
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1094478
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Creates multiple autostart registry keys
Encrypted powershell cmdline option found
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
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)
Snort IDS alert for network traffic
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)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 727116 Sample: 76.exe Startdate: 20/10/2022 Architecture: WINDOWS Score: 100 54 webmail.corsinitravel.com 2->54 72 Snort IDS alert for network traffic 2->72 74 Multi AV Scanner detection for domain / URL 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 6 other signatures 2->78 8 76.exe 16 7 2->8         started        13 Xadhwhcq.exe 14 4 2->13         started        15 App.exe 14 4 2->15         started        17 2 other processes 2->17 signatures3 process4 dnsIp5 70 192.227.183.152, 49717, 49726, 49727 AS-COLOCROSSINGUS United States 8->70 48 C:\Users\user\AppData\...\Xadhwhcq.exe, PE32 8->48 dropped 50 C:\Users\...\Xadhwhcq.exe:Zone.Identifier, ASCII 8->50 dropped 52 C:\Users\user\AppData\Local\...\76.exe.log, ASCII 8->52 dropped 88 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->88 90 May check the online IP address of the machine 8->90 92 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->92 94 Creates multiple autostart registry keys 8->94 19 76.exe 2 6 8->19         started        24 powershell.exe 13 8->24         started        96 Multi AV Scanner detection for dropped file 13->96 98 Machine Learning detection for dropped file 13->98 100 Encrypted powershell cmdline option found 13->100 26 Xadhwhcq.exe 13->26         started        28 powershell.exe 13->28         started        102 Injects a PE file into a foreign processes 15->102 30 App.exe 15->30         started        32 powershell.exe 15->32         started        34 powershell.exe 17->34         started        file6 signatures7 process8 dnsIp9 56 webmail.corsinitravel.com 104.152.168.38, 49728, 49760, 587 CROCWEBCA Canada 19->56 58 api.ipify.org.herokudns.com 52.20.78.240, 443, 49725 AMAZON-AESUS United States 19->58 68 2 other IPs or domains 19->68 44 C:\Users\user\AppData\Roaming\App\App.exe, PE32 19->44 dropped 46 C:\Users\user\...\App.exe:Zone.Identifier, ASCII 19->46 dropped 80 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->80 82 Tries to steal Mail credentials (via file / registry access) 19->82 84 Creates multiple autostart registry keys 19->84 86 3 other signatures 19->86 36 conhost.exe 24->36         started        60 54.91.59.199, 443, 49756 AMAZON-AESUS United States 26->60 62 api.ipify.org 26->62 38 conhost.exe 28->38         started        64 3.232.242.170, 443, 49757 AMAZON-AESUS United States 30->64 66 api.ipify.org 30->66 40 conhost.exe 32->40         started        42 conhost.exe 34->42         started        file10 signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/026b11037329ad5ff8cda17668d30b59366df051ab09ab35790f2d2e8324a85d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-10-19 00:00:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ajvrca3tfgwv76gnuf3gruylle3g34crvme2wnlzb4ws5azevboq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0fc1deba0e999a08ad96323092d4c9e266abce47133fe3ed07453be43a45bab2
AgentTesla
2b64ecbe77c681c339c13014df5937547ae20c487a99bc96773a5b923090bfe2
AgentTesla
91139b19c219a2cf3882f5bcdc6610a8691b079c05ecf7aadb1d461bee084266
AgentTesla
97fcc009023f7c73c58610323abc809a51ec65afa2a6a54abf3e00187f2aaae4
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ad218fa84daf745d843662eb723957cf805e2ddb1043f0f0f1b67f6a6d02111f
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b09ea08d743e1130144a32c4e97fa736f308393af1bb99546d1f206053323d1a
AgentTesla
be06f8a3ed040aadf2598bc5a9b4c886c271ad7866505dba11b723dba968f518
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eef6df577e7da107e24b1c043d08c10ede909e73ef8d6b6881dd75327770aa7e
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fcd6c2c05b23d2aa2cc97ca9b5afc016d7c20581548b13e5c89a5a123f7b735a
AgentTesla
+ 20'169 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/221020-y9jvrsdef3/
Behaviour
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8b59012c-406a-4e21-b921-e18eb3167020
Unpacked files
SH256 hash:
026b11037329ad5ff8cda17668d30b59366df051ab09ab35790f2d2e8324a85d
MD5 hash:
4df280fea800291ab943f10909194e74
SHA1 hash:
022a5f042e3db04009dad89006532618fbed8808
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/c5d50987-7946-47a0-a483-9d2dc797665b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/026b11037329ad5ff8cda17668d30b59366df051ab09ab35790f2d2e8324a85d

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 026b11037329ad5ff8cda17668d30b59366df051ab09ab35790f2d2e8324a85d

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/322134/

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