MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ba0f71fb8d0bc64a55644f7086fe2e03d78dab544f9998658eca5ebd2c48be76. 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: 12


Intelligence 12 IOCs YARA 9 File information Comments

SHA256 hash: ba0f71fb8d0bc64a55644f7086fe2e03d78dab544f9998658eca5ebd2c48be76
SHA3-384 hash: 2516b4ab90acbcb04f69b6473e70c72939d5da137f5d14226be53e984a8390a5bc4ad9f78aed7fbaa58537d6a231d3a9
SHA1 hash: 8a75db87fb9a1cfc0c8dc24d42dcba490919c954
MD5 hash: 92edc65726762623172b37e177bd09de
humanhash: double-hawaii-missouri-asparagus
File name:ba0f71fb8d0bc64a55644f7086fe2e03d78dab544f9998658eca5ebd2c48be76
Download: download sample
Signature AgentTesla
File size:1'174'016 bytes
First seen:2021-01-22 11:34:08 UTC
Last seen:2021-01-22 14:02:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:QYO50jwcEc6tBsLdep+K8SNfJyyAnmMRKC//u4Aurl/Pl6:QY608cEc6tiNKzfoyemIKC+GdPl6
Threatray 297 similar samples on MalwareBazaar
TLSH D045F226738DCAB2D16E7E3B06AD090C03D1F2CB7A91D60B162F1F7346691D76A0D8D9
Reporter madjack_red
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
2
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ba0f71fb8d0bc64a55644f7086fe2e03d78dab544f9998658eca5ebd2c48be76
Verdict:
Malicious activity
Analysis date:
2021-01-22 11:37:39 UTC
Tags:
n/a

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
Sending a UDP request
Running batch commands
Launching a process
Creating a file in the %temp% directory
Creating a file in the Program Files subdirectories
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
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
.NET source code contains very large array initializations
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to register a low level keyboard hook
Creates multiple autostart registry keys
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
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)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 343157 Sample: qsiEm04k63 Startdate: 22/01/2021 Architecture: WINDOWS Score: 100 58 Found malware configuration 2->58 60 Multi AV Scanner detection for dropped file 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 4 other signatures 2->64 7 qsiEm04k63.exe 5 2->7         started        12 WNRUXJ.exe 2 2->12         started        14 WNRUXJ.exe 1 2->14         started        process3 dnsIp4 44 192.168.2.1 unknown unknown 7->44 34 C:\Users\user\AppData\Local\Temp\RegAsm.exe, PE32 7->34 dropped 36 C:\Program Files (x86)\sshhhaaa.exe, PE32 7->36 dropped 38 C:\Users\user\AppData\...\qsiEm04k63.exe.log, ASCII 7->38 dropped 40 C:\...\sshhhaaa.exe:Zone.Identifier, ASCII 7->40 dropped 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->66 16 sshhhaaa.exe 3 7->16         started        19 cmd.exe 1 7->19         started        21 conhost.exe 12->21         started        23 conhost.exe 14->23         started        file5 signatures6 process7 signatures8 50 Writes to foreign memory regions 16->50 52 Allocates memory in foreign processes 16->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->54 56 Injects a PE file into a foreign processes 16->56 25 RegAsm.exe 2 8 16->25         started        30 reg.exe 1 1 19->30         started        32 conhost.exe 19->32         started        process9 dnsIp10 46 smtp.yandex.ru 77.88.21.158, 49752, 587 YANDEXRU Russian Federation 25->46 48 smtp.yandex.com 25->48 42 C:\Users\user\AppData\Roaming\...\WNRUXJ.exe, PE32 25->42 dropped 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->68 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 25->70 72 Tries to steal Mail credentials (via file access) 25->72 76 6 other signatures 25->76 74 Creates multiple autostart registry keys 30->74 file11 signatures12
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2021-01-22 00:00:23 UTC
AV detection:
15 of 44 (34.09%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence ransomware spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
4f81e273da20c5b9835ce6ca57cc061d77764f9e3927bdb1505cb791bf50b046
MD5 hash:
29e19b5dce96140a8b90152b16bd44af
SHA1 hash:
4f3dc6eb876bb58f53966980a9c451a04ec17d8a
SH256 hash:
49dc26861fffee2f6440e56a10b7086ea305d2f16bb9e27ba3e08b9893557f86
MD5 hash:
e732cd6decfed3503b4020899d5a56f9
SHA1 hash:
024c1bf147c698e92aae340bbee323601d02a787
SH256 hash:
ba0f71fb8d0bc64a55644f7086fe2e03d78dab544f9998658eca5ebd2c48be76
MD5 hash:
92edc65726762623172b37e177bd09de
SHA1 hash:
8a75db87fb9a1cfc0c8dc24d42dcba490919c954
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:AgentTesla_extracted_bin
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:agent_tesla_2019
Author:jeFF0Falltrades
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:MALWARE_Win_AgentTeslaV2
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


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

Comments