MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ff7a6426f4508b86859b8cec95d060cfad399e958d08dbe749ffd372f8afaa3. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ff7a6426f4508b86859b8cec95d060cfad399e958d08dbe749ffd372f8afaa3
SHA3-384 hash: 2c070d94186af592088bc59e6c72fadf2ccebba2d5a9ed3c7b8273fdec83b0424d82e09a3d5a89e7434cc2fc7d5548c3
SHA1 hash: 0523785243338fdfad97af47335bbf49314b2513
MD5 hash: 0700ce34d1e20668bf1fc78af8ee37bc
humanhash: apart-tango-twelve-texas
File name:Halkbank.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:718'848 bytes
First seen:2022-11-17 07:08:30 UTC
Last seen:2022-11-21 11:21:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:BjcWfGOzT9xyejMIXn1KBbfSg3ok8DwkLKkk15IIPPSZ2C2heoG:qAT9xX18rv8DhRMPSYC2hB
Threatray 23'189 similar samples on MalwareBazaar
TLSH T1A3E402BC33DA0E22D65893FDD4D3272103B9B55716B2E7681EC541D68E81BE08A85BCB
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13097/50/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence

File Origin
# of uploads :
3
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Halkbank.exe
Verdict:
Malicious activity
Analysis date:
2022-11-17 07:14:13 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/0ee94421-7828-44f8-b67e-e625c45364d7

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/335197/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.44597.13959.4185.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6375de1065b4ed3de8c87939/reports/2349a264-bc4e-451e-bf08-92ebdc0e9444/overview
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3d57cbaa-68a9-41ab-8c6a-3b7fdd4af47f
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1115540
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
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 dnsIp2 2 Behavior Graph ID: 748237 Sample: Halkbank.exe Startdate: 17/11/2022 Architecture: WINDOWS Score: 100 30 api.telegram.org 2->30 52 Snort IDS alert for network traffic 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 9 other signatures 2->58 7 Halkbank.exe 3 2->7         started        11 regis.exe 3 2->11         started        13 regis.exe 2 2->13         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\Halkbank.exe.log, ASCII 7->28 dropped 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->60 62 May check the online IP address of the machine 7->62 64 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->64 15 Halkbank.exe 17 6 7->15         started        20 Halkbank.exe 7->20         started        66 Multi AV Scanner detection for dropped file 11->66 68 Machine Learning detection for dropped file 11->68 70 Injects a PE file into a foreign processes 11->70 22 regis.exe 14 3 11->22         started        signatures6 process7 dnsIp8 32 api.telegram.org 149.154.167.220, 443, 49706, 49710 TELEGRAMRU United Kingdom 15->32 34 api.ipify.org.herokudns.com 54.91.59.199, 443, 49702 AMAZON-AESUS United States 15->34 40 2 other IPs or domains 15->40 24 C:\Users\user\AppData\Roaming\...\regis.exe, PE32 15->24 dropped 26 C:\Users\user\...\regis.exe:Zone.Identifier, ASCII 15->26 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 44 Tries to steal Mail credentials (via file / registry access) 15->44 46 Tries to harvest and steal ftp login credentials 15->46 50 2 other signatures 15->50 36 3.232.242.170, 443, 49708 AMAZON-AESUS United States 22->36 38 api.ipify.org 22->38 48 Tries to harvest and steal browser information (history, passwords, etc) 22->48 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8ff7a6426f4508b86859b8cec95d060cfad399e958d08dbe749ffd372f8afaa3/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-11-17 05:20:58 UTC
File Type:
PE (.Net Exe)
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r732mqtpiuelq2czxdhmsxigbt5nhgpjldii3ptut76tol4k7krq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1038c10cdf14d50b7bf14e8d6b0c2eb9c8849837ff19ac03e79ad16ffc2c2143
AgentTesla
30e9a12678d0f48ab2e58c4c676d7bf56351025550275913bfaa491b0382be2a
AgentTesla
86b07ab0bc47fe6d3436da9e06c413c7d4575057b0b4b25a7caf3595c4e1f38e
AgentTesla
a058e4db6871ecf56adf444c908980dbfb1a6eddc2cb2eae86d86c6df6111c30
AgentTesla
aaf20b9370f24df82c97b0273f52e6bd40f90df8fb8911bb10a70d57a77e775e
AgentTesla
d2ed12fd19f99ee70c32cada95a76eee97a4218c7de5c61c4f5d054a77112886
AgentTesla
da26f30555398dc8af04b9e093f14fea0ad9e9a71c299a1bf5f447dd2886a5f8
AgentTesla
+ 23'179 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/221117-hys2ashh4z/
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/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7beef141-f83c-436e-a07b-97840edf6b30
Unpacked files
SH256 hash:
6af7f12f459d6887307ce0973e84e64a8f181950c060d908f6f7e16d1eb2aecc
MD5 hash:
6a45b99a7cda00e818b02a81fd797d9b
SHA1 hash:
7318d7f55045845fd17cf4453a492bd22dc55709
Link:
https://www.unpac.me/results/d0fc5fd4-499d-43dc-987d-f1875f69883b/
SH256 hash:
c75d81a7632b765720c0b64b42a346fcf22563fa70e6352f43f0dcf366e3f2c1
MD5 hash:
54c7b7a7aa33cb693b629357b8b93670
SHA1 hash:
5e90f90a82a101f023bfcdf4e2d26e4c0d101f99
Link:
https://www.unpac.me/results/d0fc5fd4-499d-43dc-987d-f1875f69883b/
SH256 hash:
defae10934d643698632d3f983b1e8e5acddea1dd9068f42d8b9ee03cd1cad5c
MD5 hash:
ef2f01871cba504427f84700fa75b704
SHA1 hash:
5195acb32db190be87a324d5a623b51b95533252
Link:
https://www.unpac.me/results/d0fc5fd4-499d-43dc-987d-f1875f69883b/
Parent samples :
b7485129bfd03a3a6be7fd8b30eb70b0f89631bb81ebbfdf6d7ad78fc17fc38e
8a7ba28076b5900931dea1022a717576431b819348f2468bf3b15fad657503a7
759b0bf83a7cbc7ab0e88fcf11428e36ee8f1e5b61b55344408829529c0d4210
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/d0fc5fd4-499d-43dc-987d-f1875f69883b/
SH256 hash:
90f51e3b0fa9bca5a543a9bd97cfd2e3532bbcc0800b311fde7d2c62803329ca
MD5 hash:
8d48959f37fce612a35f242e54de71f1
SHA1 hash:
247c509b08a42d4dbf0d9bd2f8c6e1951750624f
Link:
https://www.unpac.me/results/d0fc5fd4-499d-43dc-987d-f1875f69883b/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/d0fc5fd4-499d-43dc-987d-f1875f69883b/
SH256 hash:
8ff7a6426f4508b86859b8cec95d060cfad399e958d08dbe749ffd372f8afaa3
MD5 hash:
0700ce34d1e20668bf1fc78af8ee37bc
SHA1 hash:
0523785243338fdfad97af47335bbf49314b2513
Link:
https://www.unpac.me/results/d0fc5fd4-499d-43dc-987d-f1875f69883b/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8ff7a6426f45/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/8ff7a6426f4508b86859b8cec95d060cfad399e958d08dbe749ffd372f8afaa3

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 8ff7a6426f4508b86859b8cec95d060cfad399e958d08dbe749ffd372f8afaa3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/335197/

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