MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8
SHA3-384 hash: 4363901507475c9ee6a294395899c356954f0b0bb84b65c866e2435f1e4478ec13700334e9fa5b05ba5e19ac253b580e
SHA1 hash: 76691bbc40f02ecfa50b81932f23f17efe257915
MD5 hash: 573eabd03eb34d02b98e4e2403e2b8c7
humanhash: mars-quiet-undress-berlin
File name:SecuriteInfo.com.Win32.TrojanX-gen.6267.10940
Download: download sample
Signature AgentTesla
Create hunting rule
File size:716'800 bytes
First seen:2023-12-06 04:20:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:NMeQaueH5qcFmyvE3EPnqeX6OdardDLynalRH1ycZUWwlJukj53rdYyZiVlGT27v:N5qcFmys3EPnqeDYtzlTnSzZhYyz1q
TLSH T13BE4F19C7610B5EFC817D872D9A82C68FA606577430BD343A01716EEAA0DA97CF251F3
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 480013cccc553380 (15 x AgentTesla, 5 x SnakeKeylogger, 5 x Formbook)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
324
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.TrojanX-gen.6267.10940
Verdict:
Malicious activity
Analysis date:
2023-12-06 04:21:35 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/58913825-1f9e-44a0-a1fa-2620bdc07c24

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/462750/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.MSIL.Krypt.20268.10214.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
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
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/656ff6b23c6ae873fb88d6a2/reports/1691f14f-3a6b-4bee-b051-4b0842c58cb4/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8
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/420ef10b-66ea-40db-a00b-06d980279776
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1354395
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1354395 Sample: SecuriteInfo.com.Win32.Troj... Startdate: 06/12/2023 Architecture: WINDOWS Score: 100 47 mail.amtechcards.com 2->47 49 amtechcards.com 2->49 51 2 other IPs or domains 2->51 57 Snort IDS alert for network traffic 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 10 other signatures 2->63 8 SecuriteInfo.com.Win32.TrojanX-gen.6267.10940.exe 7 2->8         started        12 nXBPha.exe 5 2->12         started        14 AmGHOWg.exe 2->14         started        16 AmGHOWg.exe 2->16         started        signatures3 process4 file5 43 C:\Users\user\AppData\Roaming\nXBPha.exe, PE32 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmpEB7F.tmp, XML 8->45 dropped 77 Detected unpacking (changes PE section rights) 8->77 79 Detected unpacking (overwrites its own PE header) 8->79 81 Uses schtasks.exe or at.exe to add and modify task schedules 8->81 83 Adds a directory exclusion to Windows Defender 8->83 18 RegSvcs.exe 16 4 8->18         started        23 powershell.exe 21 8->23         started        25 schtasks.exe 1 8->25         started        85 Antivirus detection for dropped file 12->85 87 Multi AV Scanner detection for dropped file 12->87 89 Machine Learning detection for dropped file 12->89 27 RegSvcs.exe 12->27         started        29 schtasks.exe 12->29         started        31 conhost.exe 14->31         started        33 conhost.exe 16->33         started        signatures6 process7 dnsIp8 53 amtechcards.com 64.188.2.244, 49733, 49737, 49744 ASN-QUADRANET-GLOBALUS United States 18->53 55 api4.ipify.org 173.231.16.77, 443, 49732, 49735 WEBNXUS United States 18->55 41 C:\Users\user\AppData\Roaming\...\AmGHOWg.exe, PE32 18->41 dropped 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->67 35 conhost.exe 23->35         started        37 conhost.exe 25->37         started        69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->69 71 Tries to steal Mail credentials (via file / registry access) 27->71 73 Tries to harvest and steal browser information (history, passwords, etc) 27->73 75 Installs a global keyboard hook 27->75 39 conhost.exe 29->39         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-06 02:53:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w5zch7dcndavldnqx6ghiasmqovarrxwvw6ra5anu5lp6scj33ea._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231206-eym89sbb88/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
077b528e881534f05539bcdd9c50d13f6dfcc8fb4690dbfcdafa0ad614d059e8
MD5 hash:
46b767edb72fecba2ef9c714a9de91d8
SHA1 hash:
9c673db3e5519eaa4353329c8a49a9a9467dd71f
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/77af051e-d1fa-4a38-89fc-72468fd72ad3/
Parent samples :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 hash:
3fbfe0e93d012f88410dff2271fd8adfe884a61165b5fa6ee19e6eb5411ab7cc
MD5 hash:
806417875c000688c9abefc7ac99a55f
SHA1 hash:
7345478784971384aa0c1dab193502632716aac3
Link:
https://www.unpac.me/results/77af051e-d1fa-4a38-89fc-72468fd72ad3/
SH256 hash:
0ffde954e43daaa0b7004ecd8677bbdf506a3f68660b665a5a17c51a5ec4dbb2
MD5 hash:
9ffa972fa1c84be264e0cf47ecfaee32
SHA1 hash:
3028e1dca47d8affff3a38e647434a44dac226d1
Link:
https://www.unpac.me/results/77af051e-d1fa-4a38-89fc-72468fd72ad3/
SH256 hash:
c34dfbc328de247d25d670c3b7853f1dddd2ec2607d5dbb0480743b45a15ea64
MD5 hash:
85b87384830444e6ab86a4a692ce96cc
SHA1 hash:
0d7d4614cf31d27e68ebf48e76fb1d308cc08152
Link:
https://www.unpac.me/results/77af051e-d1fa-4a38-89fc-72468fd72ad3/
SH256 hash:
b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8
MD5 hash:
573eabd03eb34d02b98e4e2403e2b8c7
SHA1 hash:
76691bbc40f02ecfa50b81932f23f17efe257915
Link:
https://www.unpac.me/results/77af051e-d1fa-4a38-89fc-72468fd72ad3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b77223fc6268/report/overview.html
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/b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8

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
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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/462750/

Comments