MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41583e930d0f0eaaab2c2441655a5f45f77f3a8cf7bcb617b0f3459ae1530d15. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 41583e930d0f0eaaab2c2441655a5f45f77f3a8cf7bcb617b0f3459ae1530d15
SHA3-384 hash: 87e982c42e37a56b49bf8bd125398c8d86d82c795869bc88d8ac714ea981433721ef533068bab8de79b5e09c16f42670
SHA1 hash: f276605eaa18616f7cea8a5b55c93cfc327026bd
MD5 hash: 412e00b3cea9dd4d08804d47621f91fa
humanhash: batman-sink-steak-early
File name:PO #63879JHJDY7T.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'162'752 bytes
First seen:2021-08-05 06:24:09 UTC
Last seen:2021-08-05 07:21:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:yo2A4dsjWLhmEcbsJxa1l15L/zV6jq/I/NJKaoy:Fbh9bsil15L/kj7JKly
TLSH T12D359C2229EA508DF3B69FB20FD4F8BE4A6AED73561A70B934D11F4397329818D01735
dhash icon e869d4f0f0f0f070 (12 x AgentTesla, 7 x SnakeKeylogger, 6 x Formbook)
Reporter TeamDreier
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
282
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO #63879JHJDY7T.exe
Verdict:
Malicious activity
Analysis date:
2021-08-05 06:26:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d4991e8d-b994-4cb5-9c23-125b9200fb9a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/176533/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.981.27786.1300.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
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/2bab6f6c-8564-4254-90d8-09a91b15a343
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/827853
Signature
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
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 (e.g. based on Emerging Threat rules)
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 460284 Sample: PO #63879JHJDY7T.exe Startdate: 06/08/2021 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->62 64 Multi AV Scanner detection for dropped file 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 9 other signatures 2->68 7 PO #63879JHJDY7T.exe 7 2->7         started        11 kSrYER.exe 5 2->11         started        13 kSrYER.exe 4 2->13         started        process3 file4 42 C:\Users\user\AppData\...\CtBIsqrrrIUT.exe, PE32 7->42 dropped 44 C:\Users\...\CtBIsqrrrIUT.exe:Zone.Identifier, ASCII 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmp1F0A.tmp, XML 7->46 dropped 48 C:\Users\user\...\PO #63879JHJDY7T.exe.log, ASCII 7->48 dropped 70 Injects a PE file into a foreign processes 7->70 15 PO #63879JHJDY7T.exe 2 9 7->15         started        20 schtasks.exe 1 7->20         started        22 PO #63879JHJDY7T.exe 7->22         started        72 Multi AV Scanner detection for dropped file 11->72 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->74 76 Machine Learning detection for dropped file 11->76 78 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->78 24 schtasks.exe 1 11->24         started        26 kSrYER.exe 11->26         started        28 schtasks.exe 13->28         started        30 kSrYER.exe 13->30         started        signatures5 process6 dnsIp7 50 us2.smtp.mailhostbox.com 208.91.199.223, 49721, 49722, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->50 52 smtp.ojototheworld.us 15->52 38 C:\Users\user\AppData\Roaming\...\kSrYER.exe, PE32 15->38 dropped 40 C:\Users\user\...\kSrYER.exe:Zone.Identifier, ASCII 15->40 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->54 56 Tries to steal Mail credentials (via file access) 15->56 58 Tries to harvest and steal ftp login credentials 15->58 60 2 other signatures 15->60 32 conhost.exe 20->32         started        34 conhost.exe 24->34         started        36 conhost.exe 28->36         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/41583e930d0f0eaaab2c2441655a5f45f77f3a8cf7bcb617b0f3459ae1530d15/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-04 12:19:45 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ifmd5eynb4hkvkzmerawkws7ix3x6oum666lmf5q6nczvyktbukq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210805-148l3d5lpn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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 Payload
AgentTesla
Unpacked files
SH256 hash:
aed00f82f1772e5a403cce9c1349202c8371e67ed9ef19a33cac0bf2a411f3c1
MD5 hash:
c273f926e2a29bd62cc8f27b569a0b2a
SHA1 hash:
e08d302cab3e11d776599a6b0537207fce6f9c51
Link:
https://www.unpac.me/results/d5de2c4e-0521-44b8-84a9-8fe28b2676d4/
SH256 hash:
446a0ca823108f2f887af3aa194a8babd38011cf735a60ec5ff91d71c23ae13f
MD5 hash:
360328481a5412e27f0900c5e60f7c7a
SHA1 hash:
3c8be925a3abd6f5961583027e5ef008f8cccd66
Link:
https://www.unpac.me/results/d5de2c4e-0521-44b8-84a9-8fe28b2676d4/
SH256 hash:
7e066e02f35665ebdecc03bc22896f0b4ad4210c299309dd9b079ac05775a693
MD5 hash:
8015dace0615dc0398a5b17b805de30e
SHA1 hash:
3ba1bed31f37aa1096528992badb8d086f349ca5
Link:
https://www.unpac.me/results/d5de2c4e-0521-44b8-84a9-8fe28b2676d4/
SH256 hash:
41583e930d0f0eaaab2c2441655a5f45f77f3a8cf7bcb617b0f3459ae1530d15
MD5 hash:
412e00b3cea9dd4d08804d47621f91fa
SHA1 hash:
f276605eaa18616f7cea8a5b55c93cfc327026bd
Link:
https://www.unpac.me/results/d5de2c4e-0521-44b8-84a9-8fe28b2676d4/
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/41583e930d0f0eaaab2c2441655a5f45f77f3a8cf7bcb617b0f3459ae1530d15

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/176533/

Comments