MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b957c1088538c6ce6dd4abfca8b84a7be2d991639f158e6947ec94b7c1189647. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
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SHA256 hash: b957c1088538c6ce6dd4abfca8b84a7be2d991639f158e6947ec94b7c1189647
SHA3-384 hash: b0e35e513e02746a6ea2a4850058dc8e44945a2d56bb0e81847f8ee236aa8b36b7b543f7a8f6361297fbf52283e9915f
SHA1 hash: 0393cc4141b00a8684d2febbe9107c4fdcc7f4cd
MD5 hash: f7be733145237eef4a54b827c6396f30
humanhash: montana-south-one-magnesium
File name:SecuriteInfo.com.Trojan.Siggen9.56514.27775.4984
Download: download sample
Signature AgentTesla
Create hunting rule
File size:615'936 bytes
First seen:2022-06-03 11:57:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:/SpvJkEyYQ2W284qQrCncj8Q5xQEfOfWUpcqfiozLXIBrIHy/M2wZ70jb:/YvD1/I38xrO+UMofmrISlWoj
TLSH T1E6D4BF30366E7613CA6EDB74482181C053F5965F7F22DA5E3DA7068E9D52B034B30BBA
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
317
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Trojan.Siggen9.56514.27775.4984
Verdict:
Malicious activity
Analysis date:
2022-06-03 12:02:24 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/db16e0db-d4bb-4f5c-b62f-0f3e240cf159

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/276527/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.56514.27775.4984.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/6299f7890003c05e7e99276a/reports/da2a40f7-2045-410d-a9f1-c5c0cf8a46d1/overview
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/9b3f8f47-7eed-4306-b1a6-33f457da6446
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1006307
Signature
.NET source code contains very large array initializations
Found malware configuration
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)
Modifies the hosts file
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 638806 Sample: SecuriteInfo.com.Trojan.Sig... Startdate: 03/06/2022 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 9 other signatures 2->68 7 SecuriteInfo.com.Trojan.Siggen9.56514.27775.exe 6 2->7         started        11 DnDcR.exe 5 2->11         started        13 DnDcR.exe 2 2->13         started        process3 file4 36 C:\Users\user\AppData\Roaming\gvsivx.exe, PE32 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmp3322.tmp, XML 7->38 dropped 40 SecuriteInfo.com.T...56514.27775.exe.log, ASCII 7->40 dropped 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->70 72 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->72 74 Uses schtasks.exe or at.exe to add and modify task schedules 7->74 15 SecuriteInfo.com.Trojan.Siggen9.56514.27775.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        76 Multi AV Scanner detection for dropped file 11->76 78 Machine Learning detection for dropped file 11->78 80 Injects a PE file into a foreign processes 11->80 22 DnDcR.exe 2 11->22         started        24 schtasks.exe 1 11->24         started        signatures5 process6 dnsIp7 42 palumalimited.com 174.136.29.110, 49780, 49796, 587 IHNETUS United States 15->42 44 mail.palumalimited.com 15->44 30 C:\Users\user\AppData\Roaming\...\DnDcR.exe, PE32 15->30 dropped 32 C:\Windows\System32\drivers\etc\hosts, ASCII 15->32 dropped 34 C:\Users\user\...\DnDcR.exe:Zone.Identifier, ASCII 15->34 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->48 50 Tries to steal Mail credentials (via file / registry access) 15->50 52 Modifies the hosts file 15->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->54 26 conhost.exe 20->26         started        46 mail.palumalimited.com 22->46 56 Tries to harvest and steal ftp login credentials 22->56 58 Tries to harvest and steal browser information (history, passwords, etc) 22->58 60 Installs a global keyboard hook 22->60 28 conhost.exe 24->28         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b957c1088538c6ce6dd4abfca8b84a7be2d991639f158e6947ec94b7c1189647/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-03 01:55:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xfl4ccefhddm43ouvp6krockpprnteldt4ky42kh5sklpqiyszdq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220603-n45vyaafgl/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
14c5fb488ce37c0b5c98d23a5df4b4404ccbbebe30cf8ef9b336c0a87ebb0807
MD5 hash:
68cbcd58be20a7d6a562656749856b46
SHA1 hash:
bac21154fadd864eb6611ada67345a8d967d54a4
Link:
https://www.unpac.me/results/438ef2cc-ce72-4109-87d6-e0ea468e91f6/
SH256 hash:
a360b84295dea763925f942e03791792b9a0060d66fa1b74abba4adac5d9a515
MD5 hash:
7979c91f6bb47f4cf970b992b936cc9f
SHA1 hash:
57dca33d2fc70918d6d9c74e8dad2705ae858b11
Link:
https://www.unpac.me/results/438ef2cc-ce72-4109-87d6-e0ea468e91f6/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/438ef2cc-ce72-4109-87d6-e0ea468e91f6/
SH256 hash:
b957c1088538c6ce6dd4abfca8b84a7be2d991639f158e6947ec94b7c1189647
MD5 hash:
f7be733145237eef4a54b827c6396f30
SHA1 hash:
0393cc4141b00a8684d2febbe9107c4fdcc7f4cd
Link:
https://www.unpac.me/results/438ef2cc-ce72-4109-87d6-e0ea468e91f6/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b957c1088538/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/b957c1088538c6ce6dd4abfca8b84a7be2d991639f158e6947ec94b7c1189647

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
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/276527/

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