MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56186e8da853b2cabf3e4679d54e6d0218230de21949efbbd46744d1c241e6be. 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: 14


Intelligence 14 IOCs YARA 17 File information Comments

SHA256 hash: 56186e8da853b2cabf3e4679d54e6d0218230de21949efbbd46744d1c241e6be
SHA3-384 hash: e120967d8b13c4c248eda5069f949a62c0ea6442a71dd377fa14722160e7f0dbcd95535dd26bf845d2bd44ccd86569d2
SHA1 hash: e5cbe4fe77985c67d8c008050f82f691c3a7edc0
MD5 hash: a0d91733ef9cba5af20723258f6ba2b2
humanhash: cup-florida-spaghetti-yellow
File name:SOA.exe
Download: download sample
Signature Formbook
File size:873'984 bytes
First seen:2024-02-05 08:12:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:x6kkD9c3h1KuiifhyVhDm4dfFqUXm55GzlIKE+h+OaOLLYWktsq4xa3GSESF3wkT:c9cxoVF19FqUXXlinO7Lnq4+cSYnXA
Threatray 86 similar samples on MalwareBazaar
TLSH T14205120536A8EB1FCDAA0AF19144584023B9995460C7EFC9DCD271F59F937D6CA0368F
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 61494d71d0d0e069 (3 x AgentTesla, 3 x Formbook, 1 x RemcosRAT)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
273
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
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: Powershell Base64 Encoded MpPreference Cmdlet
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: 1386575 Sample: SOA.exe Startdate: 05/02/2024 Architecture: WINDOWS Score: 100 61 mail.coperwire.com 2->61 63 ip-api.com 2->63 65 3 other IPs or domains 2->65 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 Sigma detected: Scheduled temp file as task from temp location 2->77 79 10 other signatures 2->79 8 SOA.exe 7 2->8         started        12 bGRalXuaV.exe 5 2->12         started        14 VLYdwNT.exe 2->14         started        16 VLYdwNT.exe 2->16         started        signatures3 process4 file5 57 C:\Users\user\AppData\Roaming\bGRalXuaV.exe, PE32 8->57 dropped 59 C:\Users\user\AppData\Local\...\tmpBA30.tmp, XML 8->59 dropped 89 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->89 91 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->91 93 Uses schtasks.exe or at.exe to add and modify task schedules 8->93 101 2 other signatures 8->101 18 SOA.exe 16 5 8->18         started        23 powershell.exe 23 8->23         started        33 2 other processes 8->33 95 Multi AV Scanner detection for dropped file 12->95 97 Machine Learning detection for dropped file 12->97 99 Injects a PE file into a foreign processes 12->99 25 bGRalXuaV.exe 12->25         started        35 2 other processes 12->35 27 VLYdwNT.exe 14->27         started        37 2 other processes 14->37 29 VLYdwNT.exe 16->29         started        31 schtasks.exe 16->31         started        signatures6 process7 dnsIp8 67 api4.ipify.org 173.231.16.76, 443, 49709, 49712 WEBNXUS United States 18->67 69 ip-api.com 208.95.112.1, 49710, 49713, 49721 TUT-ASUS United States 18->69 71 coperwire.com 149.56.180.35, 49711, 49714, 49722 OVHFR Canada 18->71 53 C:\Users\user\AppData\Roaming\...\VLYdwNT.exe, PE32 18->53 dropped 55 C:\Users\user\...\VLYdwNT.exe:Zone.Identifier, ASCII 18->55 dropped 81 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->81 83 Tries to steal Mail credentials (via file / registry access) 18->83 85 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->85 39 conhost.exe 23->39         started        41 WmiPrvSE.exe 23->41         started        87 Tries to harvest and steal browser information (history, passwords, etc) 29->87 43 conhost.exe 31->43         started        45 conhost.exe 33->45         started        47 conhost.exe 33->47         started        49 conhost.exe 35->49         started        51 conhost.exe 37->51         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2024-02-04 23:27:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
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:
4ada9d8c371e960de1103fb6161a6bfa791cd637d52e57d25803149d0951281f
MD5 hash:
20c5f8cafb2f670dc7cd97745251c661
SHA1 hash:
cbcdc9c4fe036404144d88fa0b27780297c7f20d
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:
b12806cfc459d707518ce982849166ca99e95df5e05d4bc7bde7d3f4942cfe0e
MD5 hash:
7c59960bd60eda6f3da4824d1dd30e5e
SHA1 hash:
ab771360df8926364dee0758a6fb6814576fd03e
SH256 hash:
971c821aa19832e04f1dd44b19cdb909d36d27be2f9e62edd10bf7887a43d15a
MD5 hash:
6d7a285502323918820b8513b5f33d75
SHA1 hash:
9633177bbb29c2563fec4a7dd381f4a278588437
SH256 hash:
041c920944d5e28a955cec5e0fb8608c04f85844d087d0d2455c19179ab105da
MD5 hash:
65c70fa058eba88af415b5a1bb86ff69
SHA1 hash:
0a3e5d920c1d1af54288b421948b687d4d0c0306
SH256 hash:
56186e8da853b2cabf3e4679d54e6d0218230de21949efbbd46744d1c241e6be
MD5 hash:
a0d91733ef9cba5af20723258f6ba2b2
SHA1 hash:
e5cbe4fe77985c67d8c008050f82f691c3a7edc0
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.

Malspam

Formbook

Executable exe 56186e8da853b2cabf3e4679d54e6d0218230de21949efbbd46744d1c241e6be

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments