MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84b7cf285198a81c5f10de139338a440aff6b172702ac87be52db80e7fc7deba. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 84b7cf285198a81c5f10de139338a440aff6b172702ac87be52db80e7fc7deba
SHA3-384 hash: f6377ede254bc27065ae52b6a35612ccdac8cb163498e51fddd80101fcb365c0f8f7614071fbc7ddf6411a641d0f0504
SHA1 hash: 403adbf3bebee60bae243cce5994034623adf2da
MD5 hash: 175f687eb0d7d6b2b51cd8a448446495
humanhash: oven-sodium-kitten-ohio
File name:HALKBANK.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'061'376 bytes
First seen:2020-12-02 09:17:34 UTC
Last seen:2020-12-02 10:51:17 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:TRepmoJb+2qPVGNbTuMuKBD7hpvARYbaPm+ihZWgPhn64i8v2OB:TcmYuST0sDdGYbaPJihPYMv1
Threatray 1'590 similar samples on MalwareBazaar
TLSH 8A35D62CFE447569F03A573F8ED3D173AAB96693B3068DD829B341C9372290E99C1136
Reporter abuse_ch
Tags:AgentTesla exe geo Halkbank TUR


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: halkbank.com.tr
Sending IP: 212.114.52.30
From: T. HALK bankasi <ekstre@halkbank.com.tr>
Reply-To: T. HALK bankasi <ekstre@halkbank.com.tr>
Subject: T.HALK BANKASI A.S. 02.12.2020 Hesap Ekstresi
Attachment: HALKBANK.zip (contains "HALKBANK.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/106362/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.48175.12548.8838.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a process with a hidden window
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/553390
Signature
.NET source code contains very large strings
.NET source code references suspicious native API functions
Contains functionality to register a low level keyboard hook
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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: Scheduled temp file as task from temp location
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 AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 325791 Sample: HALKBANK.exe Startdate: 02/12/2020 Architecture: WINDOWS Score: 100 27 Found malware configuration 2->27 29 Sigma detected: Scheduled temp file as task from temp location 2->29 31 Yara detected AgentTesla 2->31 33 5 other signatures 2->33 7 HALKBANK.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\Local\...\tmpBFAB.tmp, XML 7->19 dropped 21 C:\Users\user\AppData\Roaming\uXyzvW.exe, PE32 7->21 dropped 35 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->35 37 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->37 39 Contains functionality to register a low level keyboard hook 7->39 41 Injects a PE file into a foreign processes 7->41 11 HALKBANK.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 23 dablanotomotiv.com.tr 188.132.157.238, 49741, 587 PREMIERDC-VERI-MERKEZI-ANONIM-SIRKETIPREMIERDC-SHTR Turkey 11->23 25 mail.dablanotomotiv.com.tr 11->25 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 2 other signatures 11->49 17 conhost.exe 15->17         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/84b7cf285198a81c5f10de139338a440aff6b172702ac87be52db80e7fc7deba/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-12-02 09:18:11 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qs346kcrtcubyxyq3yjzgofeicx7nmlsoavmq67ffw4a476h325a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0156cc74dc52bcb6c9e1ea57e4e68825fb45a506e17701895e056a677d413184
AgentTesla
1d489bde326240c639875d1adbf09d0d3614cde9ac3a7561cff8d7fb297ee56c
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2bed744d28b0e98b998ee08a830c52655037ca72f311159c7125ad123369f006
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2d2996c0344c2ed157f9affb6468c803dc196b519574c945c8fe40e445418030
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354e15eaddffc7d653f304af3eee050b968f8705609a03ada9b459bcd71c6619
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69b3daa0773330e2607a293d7e268f6360c74f1a446a803944a00c8cd5162527
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879fabd244225331efd47ce153381e8c2bcf02a9b81b430e346f6395ecc9c666
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9b700d1d5f08a646921a397536bc682cac763ba61e86d0700023abedd275fff9
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b383a9462220caadad44787b626a17e201471a2ca3283e9cfa1cbdcbc974f501
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cb6657e643921d36fb24eed7ae829888e685ac883e1798ae016f9c39dad99490
AgentTesla
+ 1'580 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/201202-klrddmxgdx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
Link:
https://www.unpac.me/results/16bcc629-625c-4e57-a550-21113578cc64/
SH256 hash:
84b7cf285198a81c5f10de139338a440aff6b172702ac87be52db80e7fc7deba
MD5 hash:
175f687eb0d7d6b2b51cd8a448446495
SHA1 hash:
403adbf3bebee60bae243cce5994034623adf2da
Link:
https://www.unpac.me/results/16bcc629-625c-4e57-a550-21113578cc64/
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/84b7cf285198a81c5f10de139338a440aff6b172702ac87be52db80e7fc7deba

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

a6e65c269be904365884918de3bd4128

AgentTesla

Executable exe 84b7cf285198a81c5f10de139338a440aff6b172702ac87be52db80e7fc7deba

(this sample)

  
Dropped by
MD5 a6e65c269be904365884918de3bd4128
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/106362/

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