MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82b8389f2cf0a78fb0e4b981c3c5c344953576e96a9e27d315acc8e46236362e. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments

SHA256 hash: 82b8389f2cf0a78fb0e4b981c3c5c344953576e96a9e27d315acc8e46236362e
SHA3-384 hash: 6e47cdfa0404f4b41de7a35dedd9d33dc695cd6162de2d8360773097dcca5868a0ab6c8967dad36a7f6fd52bb16288f8
SHA1 hash: 1dd3745a064b601d413ce40cb3222d6918d23557
MD5 hash: 6723ed29ff4b4b4f89e58cc9363560a2
humanhash: jersey-victor-enemy-tango
File name:HrmusPKxc8EHqNB.exe
Download: download sample
Signature AgentTesla
File size:681'472 bytes
First seen:2023-10-24 06:36:48 UTC
Last seen:2023-10-24 07:11:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:67lBLXmsrJM1Mnav5wxO2MZIdWVYVbOED8fUdgi8fuL3I1D6psez4UDiMNC3z:67vLWiMWaSqK2YV6S8fwVCL6ie
Threatray 722 similar samples on MalwareBazaar
TLSH T150E42362B3A5E9B6F2E9C3B3793101900D3B774A5896C3CD174D20584479B82ACE9F6F
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)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter cocaman
Tags:AgentTesla exe Shipping

Intelligence


File Origin
# of uploads :
2
# of downloads :
351
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
HrmusPKxc8EHqNB.exe
Verdict:
Malicious activity
Analysis date:
2023-10-24 06:51:23 UTC
Tags:
stealer agenttesla

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

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1331079 Sample: HrmusPKxc8EHqNB.exe Startdate: 24/10/2023 Architecture: WINDOWS Score: 100 27 mail.wirtschaftsinkaso.com 2->27 29 api4.ipify.org 2->29 31 api.ipify.org 2->31 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 6 other signatures 2->51 7 HrmusPKxc8EHqNB.exe 3 2->7         started        10 BsrzRc.exe 3 2->10         started        12 BsrzRc.exe 2 2->12         started        signatures3 process4 signatures5 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->53 55 Injects a PE file into a foreign processes 7->55 14 HrmusPKxc8EHqNB.exe 16 5 7->14         started        57 Multi AV Scanner detection for dropped file 10->57 19 BsrzRc.exe 14 2 10->19         started        21 BsrzRc.exe 12->21         started        process6 dnsIp7 33 mail.wirtschaftsinkaso.com 107.174.247.115, 49716, 49719, 49724 AS-COLOCROSSINGUS United States 14->33 35 api4.ipify.org 104.237.62.212, 443, 49714, 49722 WEBNXUS United States 14->35 23 C:\Users\user\AppData\Roaming\...\BsrzRc.exe, PE32 14->23 dropped 25 C:\Users\user\...\BsrzRc.exe:Zone.Identifier, ASCII 14->25 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Tries to steal Mail credentials (via file / registry access) 14->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->41 43 Tries to harvest and steal browser information (history, passwords, etc) 21->43 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-10-16 18:46:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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
Unpacked files
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
SH256 hash:
068b103533bd50fd32cb8df489bc3a04193174cb4ea556a1ffe852d3cbac112d
MD5 hash:
bce58d976229b466b5b84dd6ae51ffd4
SHA1 hash:
7c4c7d969a7bbdc74447c434dd5d862138e1b260
SH256 hash:
1791f2fc75da1a6036e0fb321e1b19fbb53f8e625b8ed7630930e5ec172e785c
MD5 hash:
c7e11adf6d0017b59c78146ae692ad46
SHA1 hash:
1977a18800c6c024dfe9acdc06e83511304834b8
SH256 hash:
82b8389f2cf0a78fb0e4b981c3c5c344953576e96a9e27d315acc8e46236362e
MD5 hash:
6723ed29ff4b4b4f89e58cc9363560a2
SHA1 hash:
1dd3745a064b601d413ce40cb3222d6918d23557
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 82b8389f2cf0a78fb0e4b981c3c5c344953576e96a9e27d315acc8e46236362e

(this sample)

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