MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a7ba28076b5900931dea1022a717576431b819348f2468bf3b15fad657503a7. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a7ba28076b5900931dea1022a717576431b819348f2468bf3b15fad657503a7
SHA3-384 hash: 7344235ad1769374d6a8370570affa79d15384d6ffe11ff550602424b1e1c693733590b5fd19ba6a0e03aa13cee04ba1
SHA1 hash: 849d1f35796195dd897e219a5491b0bea890ab0a
MD5 hash: 31b1d0ffa0838a386bc8b361b2f0a354
humanhash: michigan-berlin-eleven-alpha
File name:Halkbank.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'190'400 bytes
First seen:2022-11-23 17:31:09 UTC
Last seen:2022-11-23 19:33:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:YxGk5wZG5qyARnpiCYiPiGMGOwYDnaJIBPuQjBIpqdOp:NkiExInQYdObB2QlIpqdO
Threatray 23'009 similar samples on MalwareBazaar
TLSH T15D456C8B2F3209A4CB4E3470088E077C9351FD6D6DB4CCB6EE3466681D965AB7E9132D
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:AgentTesla exe geo Halkbank TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Halkbank.exe
Verdict:
Malicious activity
Analysis date:
2022-11-23 17:34:27 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/e036a8a4-5691-461a-b3e5-6080444894ec

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/337758/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.44597.6168.16617.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637e591324da1c12cfe186d0/reports/58b8e897-f8a9-48a3-9758-1f0f77ad9130/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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fc0b7da7-ff11-4429-b675-2bc5c270829e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1120077
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 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 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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 752794 Sample: Halkbank.exe Startdate: 23/11/2022 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 8 other signatures 2->41 6 regis.exe 3 2->6         started        9 Halkbank.exe 3 2->9         started        12 regis.exe 2 2->12         started        process3 file4 43 Multi AV Scanner detection for dropped file 6->43 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->45 47 May check the online IP address of the machine 6->47 49 Machine Learning detection for dropped file 6->49 14 regis.exe 14 3 6->14         started        25 C:\Users\user\AppData\...\Halkbank.exe.log, ASCII 9->25 dropped 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->51 53 Injects a PE file into a foreign processes 9->53 18 Halkbank.exe 17 6 9->18         started        signatures5 process6 dnsIp7 27 api.ipify.org 14->27 55 Tries to harvest and steal ftp login credentials 14->55 57 Tries to harvest and steal browser information (history, passwords, etc) 14->57 59 Installs a global keyboard hook 14->59 29 api.telegram.org 149.154.167.220, 443, 49717, 49724 TELEGRAMRU United Kingdom 18->29 31 api.ipify.org.herokudns.com 54.91.59.199, 443, 49714, 49722 AMAZON-AESUS United States 18->31 33 api.ipify.org 18->33 21 C:\Users\user\AppData\Roaming\...\regis.exe, PE32 18->21 dropped 23 C:\Users\user\...\regis.exe:Zone.Identifier, ASCII 18->23 dropped 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->61 63 Tries to steal Mail credentials (via file / registry access) 18->63 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->65 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a7ba28076b5900931dea1022a717576431b819348f2468bf3b15fad657503a7/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-11-23 04:23:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rj52fadwwwiasmo6uebcu4lvozbrxamtjdzenc7twfp22zlvaotq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2f23aed523652830a5353e92574d75eb5759e676671bddd0e111f9ecff948d41
AgentTesla
86b07ab0bc47fe6d3436da9e06c413c7d4575057b0b4b25a7caf3595c4e1f38e
AgentTesla
8ff7a6426f4508b86859b8cec95d060cfad399e958d08dbe749ffd372f8afaa3
AgentTesla
9eb4c567819158702a3e34623a7d043d48dd5e83628f2f18b46ddbf6a9c1cf43
AgentTesla
a058e4db6871ecf56adf444c908980dbfb1a6eddc2cb2eae86d86c6df6111c30
AgentTesla
aaf20b9370f24df82c97b0273f52e6bd40f90df8fb8911bb10a70d57a77e775e
AgentTesla
b7485129bfd03a3a6be7fd8b30eb70b0f89631bb81ebbfdf6d7ad78fc17fc38e
AgentTesla
d1ec992b83051e6bc4b36bc2357fc7ac41800da9dc1ba1a2426c6a4ec9c30760
AgentTesla
da26f30555398dc8af04b9e093f14fea0ad9e9a71c299a1bf5f447dd2886a5f8
AgentTesla
+ 22'999 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/221123-v397ladf8x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5792996127:AAEo0wCCYZp60yQsf_X1P7t-T5AAK5KPYXY/
Unpacked files
SH256 hash:
0cec7f6fcafea48d98e130ef45e5ecd60347a83e18384772cf76ff528367c8fb
MD5 hash:
bd50130179ec31b44caa7f261584f086
SHA1 hash:
6518338bc59cbc97ef93fc5b7e0490cf07978c1b
Link:
https://www.unpac.me/results/49d0825f-f886-4107-bf09-748eb7fd1ba3/
SH256 hash:
defae10934d643698632d3f983b1e8e5acddea1dd9068f42d8b9ee03cd1cad5c
MD5 hash:
ef2f01871cba504427f84700fa75b704
SHA1 hash:
5195acb32db190be87a324d5a623b51b95533252
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/49d0825f-f886-4107-bf09-748eb7fd1ba3/
Parent samples :
b7485129bfd03a3a6be7fd8b30eb70b0f89631bb81ebbfdf6d7ad78fc17fc38e
8a7ba28076b5900931dea1022a717576431b819348f2468bf3b15fad657503a7
759b0bf83a7cbc7ab0e88fcf11428e36ee8f1e5b61b55344408829529c0d4210
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/49d0825f-f886-4107-bf09-748eb7fd1ba3/
SH256 hash:
e410d1d798c9eb30a927d2833327f2659a81cbbee68c41858ca072ae95572a20
MD5 hash:
3918e77df5fc113eb3002fd9d7f4f503
SHA1 hash:
2842755cb2c89a9ae4fc14e058a902c6acd5616e
Link:
https://www.unpac.me/results/49d0825f-f886-4107-bf09-748eb7fd1ba3/
SH256 hash:
bc98e487bed5993b3e3a3be4d540702a0bf4c8144e77ef69d518e4687c33a9e5
MD5 hash:
3974f5769d3b304fc777fbff679f62ba
SHA1 hash:
0a038394581fc29078a75f13b2da079b8094ae6f
Link:
https://www.unpac.me/results/49d0825f-f886-4107-bf09-748eb7fd1ba3/
SH256 hash:
8a7ba28076b5900931dea1022a717576431b819348f2468bf3b15fad657503a7
MD5 hash:
31b1d0ffa0838a386bc8b361b2f0a354
SHA1 hash:
849d1f35796195dd897e219a5491b0bea890ab0a
Link:
https://www.unpac.me/results/49d0825f-f886-4107-bf09-748eb7fd1ba3/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8a7ba28076b5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/8a7ba28076b5900931dea1022a717576431b819348f2468bf3b15fad657503a7

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.

Cape
Cape
https://www.capesandbox.com/analysis/337758/

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