MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1b7acfbe15a0fde89a1bb1f0f51142061b2ff50bc6c33c770a40f1c43b0d7f6. 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 3 File information Comments

SHA256 hash: e1b7acfbe15a0fde89a1bb1f0f51142061b2ff50bc6c33c770a40f1c43b0d7f6
SHA3-384 hash: dcc83d069112c761cc83fa18ac6d84fa6466ffcaa0029933f07dfa685e85ca97c29619c9a0c8b84d943fb1c4917d4149
SHA1 hash: 45682c3e42bfb5d9e318ea8a132ae4df7b5897bd
MD5 hash: cb1b6fb8adfd37bec6e99a78ab7b7aef
humanhash: johnny-undress-hamper-beryllium
File name:cb.exe
Download: download sample
Signature AgentTesla
File size:718'848 bytes
First seen:2023-08-16 14:31:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:CGaa4lrr9mCaUJfPwR3xiV6b8W2w790aSr6vKTfihOSfso1438:CGz4lXErUJfO3xtQbgSaTMik61b
Threatray 983 similar samples on MalwareBazaar
TLSH T149E49BC6E976D2E3C87147F560A220148F357FDA3469E2A40CA630D67AF1B043797A7E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter 0x746f6d6669
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
284
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
cb.exe
Verdict:
Malicious activity
Analysis date:
2023-08-16 14:33:32 UTC
Tags:
agenttesla stealer

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot 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 potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1292216 Sample: cb.exe Startdate: 16/08/2023 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 9 other signatures 2->51 7 cb.exe 7 2->7         started        11 Ijfajl.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\Roaming\Ijfajl.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmpA322.tmp, XML 7->33 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->53 55 May check the online IP address of the machine 7->55 57 Uses schtasks.exe or at.exe to add and modify task schedules 7->57 59 Adds a directory exclusion to Windows Defender 7->59 13 cb.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        61 Multi AV Scanner detection for dropped file 11->61 63 Machine Learning detection for dropped file 11->63 21 Ijfajl.exe 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 35 api4.ipify.org 104.237.62.211, 443, 49723 WEBNXUS United States 13->35 37 api.telegram.org 149.154.167.220, 443, 49726, 49727 TELEGRAMRU United Kingdom 13->37 39 api.ipify.org 13->39 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        41 64.185.227.156, 443, 49734 WEBNXUS United States 21->41 43 api.ipify.org 21->43 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->65 67 Tries to steal Mail credentials (via file / registry access) 21->67 69 Tries to harvest and steal browser information (history, passwords, etc) 21->69 29 conhost.exe 23->29         started        signatures8 process9
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-14 15:22:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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
Unpacked files
SH256 hash:
b750036814fc5e223c1bf6f6b3dfa7b0df47a3d04b37c37a998a210621d493ed
MD5 hash:
13b50608c12ca136a66049bf66c4f613
SHA1 hash:
c164fbbab37fd9a418f18b39ecee5d7c7e0252f2
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
1f0035845553e0069e22c4f16f058d537b0571339c9df9d8926f6edb67426f35
MD5 hash:
f5e54c90e96b5b6d69e4e17c6dcf30e8
SHA1 hash:
46b0d8bce7d40daeedaebc88b203dfe1acf81ebf
SH256 hash:
e1b7acfbe15a0fde89a1bb1f0f51142061b2ff50bc6c33c770a40f1c43b0d7f6
MD5 hash:
cb1b6fb8adfd37bec6e99a78ab7b7aef
SHA1 hash:
45682c3e42bfb5d9e318ea8a132ae4df7b5897bd
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.

Comments