MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff8a33f612d8a5b395c770106457287d423b9b637e1e900e21da789bcfffd761. 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



Formbook


Vendor detections: 16


Intelligence 16 IOCs YARA 17 File information Comments

SHA256 hash: ff8a33f612d8a5b395c770106457287d423b9b637e1e900e21da789bcfffd761
SHA3-384 hash: cfe9f7c710728d97d0e9bca3f9c710323c4e28ffc366f6281c8218b32d0639996509f9955f9c43f2f13ec517b52d646a
SHA1 hash: 99adb887080336164ea80d1a57418f535b08ffba
MD5 hash: ccd2f694d9142139aa8a0a268682800b
humanhash: juliet-glucose-magazine-north
File name:20220829_PEDIDO_22073M_PROTECO.exe
Download: download sample
Signature Formbook
File size:660'480 bytes
First seen:2024-01-22 19:12:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'472 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:6agX6X60ABJKVgDRUCVmjWkfWvvgEkGVrGxIL5qYMc:6ag/BJtD/glf6gNGBGx4C
TLSH T185E42319316C137BC67963FD68605A781BBEE9934A64D23CECC9A8CEC1627038F05767
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 malwarelabnet
Tags:AgentTesla exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
314
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
20220829_PEDIDO_22073M_PROTECO.rar
Verdict:
Malicious activity
Analysis date:
2024-01-18 09:44:42 UTC
Tags:
evasion agenttesla stealer

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
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by 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 potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
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
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 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1378993 Sample: 20220829_PEDIDO_22073M_PROT... Startdate: 22/01/2024 Architecture: WINDOWS Score: 100 61 mail.guestequipment.com.au 2->61 63 ip-api.com 2->63 65 guestequipment.com.au 2->65 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Sigma detected: Scheduled temp file as task from temp location 2->75 77 9 other signatures 2->77 8 20220829_PEDIDO_22073M_PROTECO.exe 7 2->8         started        12 iNNlBRgKGQPljy.exe 5 2->12         started        14 newfile.exe 2->14         started        16 newfile.exe 2->16         started        signatures3 process4 file5 57 C:\Users\user\AppData\...\iNNlBRgKGQPljy.exe, PE32 8->57 dropped 59 C:\Users\user\AppData\Local\...\tmpA8DC.tmp, XML 8->59 dropped 87 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->87 89 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->89 91 Uses schtasks.exe or at.exe to add and modify task schedules 8->91 99 2 other signatures 8->99 18 20220829_PEDIDO_22073M_PROTECO.exe 16 5 8->18         started        23 powershell.exe 22 8->23         started        35 3 other processes 8->35 93 Multi AV Scanner detection for dropped file 12->93 95 Machine Learning detection for dropped file 12->95 25 iNNlBRgKGQPljy.exe 12->25         started        27 schtasks.exe 12->27         started        29 newfile.exe 14->29         started        37 3 other processes 14->37 97 Injects a PE file into a foreign processes 16->97 31 newfile.exe 16->31         started        33 schtasks.exe 16->33         started        signatures6 process7 dnsIp8 67 ip-api.com 208.95.112.1, 49732, 49736, 49743 TUT-ASUS United States 18->67 69 guestequipment.com.au 27.54.88.193, 26, 49735, 49737 DREAMSCAPE-AS-APDreamscapeNetworksLimitedAU Australia 18->69 53 C:\Users\user\AppData\Roaming\...\newfile.exe, PE32 18->53 dropped 55 C:\Users\user\...\newfile.exe:Zone.Identifier, ASCII 18->55 dropped 79 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->79 81 Tries to steal Mail credentials (via file / registry access) 18->81 83 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->83 39 conhost.exe 23->39         started        41 WmiPrvSE.exe 23->41         started        43 conhost.exe 27->43         started        85 Tries to harvest and steal browser information (history, passwords, etc) 31->85 45 conhost.exe 33->45         started        47 conhost.exe 35->47         started        49 conhost.exe 35->49         started        51 conhost.exe 37->51         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2024-01-18 03:57:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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
AgentTesla
Unpacked files
SH256 hash:
1572c5b3ed564498b3469ad65489f55372af219a76b5b3478258a970887ed6da
MD5 hash:
f47ebb381602a0d0005a103d1f237454
SHA1 hash:
e532e2a7ca3d44af735b934e8e46dd54aecbc8c2
SH256 hash:
55da58e1f40753f5185687d0ab82f952698401aaeb75716dfc6f5034b54e5056
MD5 hash:
14f4a6ab1e8626d2a536c4a1c90c4454
SHA1 hash:
83294443f8e1b709feb1a6efcdd779553cc67201
SH256 hash:
2b4cf8b51c4caac8a17c239ce12f5722630e9358060986625b0eed5dd9e01017
MD5 hash:
81c9b6f9ce6e6cc93bf89a1218f12e86
SHA1 hash:
1e2b99b28fc38272b81bc336a66c2960259668b6
SH256 hash:
d31237a1c55a5143af91c36cdac3c89509942f0b9c7be6cc4e390eed9277d76a
MD5 hash:
6769a1953226b765760c0e80da2c1b27
SHA1 hash:
05cf4bdb9d75e9d7fd4e43f570b1087e15fc144a
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
ff8a33f612d8a5b395c770106457287d423b9b637e1e900e21da789bcfffd761
MD5 hash:
ccd2f694d9142139aa8a0a268682800b
SHA1 hash:
99adb887080336164ea80d1a57418f535b08ffba
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security

File information


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

Comments