MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e644c575f18d16b4e432bc02d45c35aff42affc618f7c08e3d9139405e0cea7c. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e644c575f18d16b4e432bc02d45c35aff42affc618f7c08e3d9139405e0cea7c
SHA3-384 hash: ea094ec88f954302d148af04b302ea54a37ca99eff279c865ea51522c72eb657921aa19f432e56e5b4c7a0c257ac7ffe
SHA1 hash: 6e1b6f744fd21ed3ea0853c98b49adedf97561fc
MD5 hash: 8706a44b45140807c8af82c69f192e92
humanhash: social-lion-fish-bakerloo
File name:50008248-SWIFT Copy, pdf ..exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:648'192 bytes
First seen:2021-11-24 14:02:09 UTC
Last seen:2021-11-24 14:06:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:r2lhntBtp1+TT1oC/UuXzeyfYoaPSXyy8QoBQtD00GEOBvCJWfUnubDjMtKG:r2lhnHtK3P/UuXiyAYyVBQC0G
Threatray 12'970 similar samples on MalwareBazaar
TLSH T1D7D49DAC325076DFC867C8728EA85CA4A720347B570BD207E45316ADAE0E99BDF151F3
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
50008248-SWIFT Copy, pdf ..exe
Verdict:
Malicious activity
Analysis date:
2021-11-24 22:01:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1c1128c5-acde-4334-8cc4-c94b91b7700b

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

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm obfuscated packed
Link:
https://www.filescan.io/uploads/619e4618f36138de3f39da4f/reports/2d89526e-f1e5-4f4e-9788-3cade8dee94b/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:
Malicious
Link:
https://analyze.intezer.com/analyses/de5ba104-f31e-447a-8c75-9dab2ab4d262
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/895419
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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 / registry access)
Uses an obfuscated file name to hide its real file extension (a lot of spaces)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 527897 Sample: 50008248-SWIFT Copy, pdf   ... Startdate: 24/11/2021 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Multi AV Scanner detection for dropped file 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 14 other signatures 2->45 7 50008248-SWIFT Copy, pdf                                                         ..exe 7 2->7         started        process3 file4 25 C:\Users\user\AppData\...\HRcpXbkZrxjl.exe, PE32 7->25 dropped 27 C:\Users\...\HRcpXbkZrxjl.exe:Zone.Identifier, ASCII 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmpEE90.tmp, XML 7->29 dropped 31 50008248-SWIFT Cop...          ..exe.log, ASCII 7->31 dropped 47 Writes to foreign memory regions 7->47 49 Allocates memory in foreign processes 7->49 51 Adds a directory exclusion to Windows Defender 7->51 53 Injects a PE file into a foreign processes 7->53 11 RegSvcs.exe 2 7->11         started        15 RegSvcs.exe 7->15         started        17 powershell.exe 22 7->17         started        19 3 other processes 7->19 signatures5 process6 dnsIp7 33 smtp.yandex.ru 77.88.21.158, 49779, 49809, 587 YANDEXRU Russian Federation 11->33 35 192.168.2.1 unknown unknown 11->35 37 smtp.yandex.com 11->37 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->55 57 Tries to steal Mail credentials (via file / registry access) 11->57 59 Tries to harvest and steal ftp login credentials 11->59 65 2 other signatures 11->65 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->61 63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->63 21 conhost.exe 17->21         started        23 conhost.exe 19->23         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e644c575f18d16b4e432bc02d45c35aff42affc618f7c08e3d9139405e0cea7c/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-11-23 15:09:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4zcmk5prrulljzbsxqbnixbvv72cv76gdd34bdr5se4uaxqm5j6a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
27b11d7e95c9a02c9ff8938b12454e139a5124bd5d38b4cb04308316f0fb7e09
AgentTesla
2a2bd58a0bb16a00980f69985f105a8588f3c25a4e7a1f77eed3fc740c250759
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4d7d74a9894de7e870220bff688bdf8a2649dc0415d0beddbc28be4b58960632
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86360d8e1d473b72a48bdc1e7de4cd2fe3c20cc94c22fb4463ea15328d40f2c4
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92a8eaace426530cbb98518c69d0430cd7b8e8ac9d0b9f77f7d805b58d15432e
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98ede977d95e3ce373b2d6613e7128c138d959f94060f47b63b6d087811aba60
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9e01f131107841c788f990a02403dffc3d7f04b4ed0ef934c3f2ccf3c1d21d62
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a661b519e8e823195e7c2678943617cbdf5d19d22f9996c9e3f405d571aef736
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d8affe66153198fd44e0aeb99dadbc25c61882df8cfd6b7e4507611616581c32
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f885a70224456ed92e59c2b7f75177c2094c31f02d8b5ae8063f400c16ebdf03
AgentTesla
+ 12'960 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/211124-rcpleschak/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
6720a4993469714d0d62b189a98e540d03e632aaa97943eb52b5c10316ab103d
MD5 hash:
14817929cac2fff6b594cd6e84591b39
SHA1 hash:
e7f5a647025d11c700a9172eabf078b95fca51fd
Link:
https://www.unpac.me/results/1d26642c-c9b8-4f61-979c-b618cc51e6c4/
SH256 hash:
f30ca642597c059f9dbcc6cfea27687245fbcaf5456be0b7a4528d946f3a0a05
MD5 hash:
0f6349011cf5446131faf0cadbace87b
SHA1 hash:
0cd48b5cb5a0ca095043c333c9002ba5273e92e8
Link:
https://www.unpac.me/results/1d26642c-c9b8-4f61-979c-b618cc51e6c4/
SH256 hash:
4653ff2da693db756fa8b09c8ae5f8f78931803931ddb32f55f8f83f8378af09
MD5 hash:
d2598defa8ea226e962be2f8b0225fe9
SHA1 hash:
0a4eb5d3ad0bd9317b7a0fd0ddb3167f229dd445
Link:
https://www.unpac.me/results/1d26642c-c9b8-4f61-979c-b618cc51e6c4/
SH256 hash:
e644c575f18d16b4e432bc02d45c35aff42affc618f7c08e3d9139405e0cea7c
MD5 hash:
8706a44b45140807c8af82c69f192e92
SHA1 hash:
6e1b6f744fd21ed3ea0853c98b49adedf97561fc
Link:
https://www.unpac.me/results/1d26642c-c9b8-4f61-979c-b618cc51e6c4/
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/e644c575f18d16b4e432bc02d45c35aff42affc618f7c08e3d9139405e0cea7c

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.

Malspam

AgentTesla

Executable exe e644c575f18d16b4e432bc02d45c35aff42affc618f7c08e3d9139405e0cea7c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/208972/

Comments