MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5e89bbe95eb6e5d463d3b52ffe77724ea81eac11560a068d821220029de405f. 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: 11


Intelligence 11 IOCs YARA 12 File information Comments 1

SHA256 hash: d5e89bbe95eb6e5d463d3b52ffe77724ea81eac11560a068d821220029de405f
SHA3-384 hash: 813c85bbc30e3d0584f762b6dce842f59223505001d1272190a93a7204fcc8c648f4c4d63d36125b040806438f89e3af
SHA1 hash: f3d1e8269876de41267de78babbc94421eb71be1
MD5 hash: 4775e47dcd32f6b4cf7b389e9dd30d82
humanhash: golf-happy-yellow-diet
File name:4775e47dcd32f6b4cf7b389e9dd30d82
Download: download sample
Signature Formbook
File size:2'139'648 bytes
First seen:2022-10-04 06:24:30 UTC
Last seen:2022-10-04 08:18:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 49152:df7ykkSjL94PfxBYcg48kWx9Xc4VX+cVE6HVsbyyVm/sP:1xVCZBf2acmUibyX/sP
Threatray 854 similar samples on MalwareBazaar
TLSH T14EA5225431960A1BFB05E83A8FD74478806E4F81FFE86D8DFE9F036E6B58501A1A1CD6
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
270
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Creating a file in the %temp% directory
Reading critical registry keys
Running batch commands
Creating a window
Launching a process
Launching the process to change network settings
Searching for synchronization primitives
Stealing user critical data
Query of malicious DNS domain
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  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.
Malware family:
Stealerium Stealer
Verdict:
Malicious
Result
Threat name:
Stealerium
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Capture Wi-Fi password
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 WLAN passwords
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Stealerium
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 715552 Sample: g0Cm482vVa.exe Startdate: 04/10/2022 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 Sigma detected: Capture Wi-Fi password 2->49 51 10 other signatures 2->51 8 g0Cm482vVa.exe 3 2->8         started        12 msiexec.exe 2->12         started        process3 file4 37 C:\Users\user\AppData\...\g0Cm482vVa.exe.log, ASCII 8->37 dropped 57 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->57 59 May check the online IP address of the machine 8->59 61 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 8->61 63 3 other signatures 8->63 14 g0Cm482vVa.exe 15 44 8->14         started        signatures5 process6 dnsIp7 39 ip-api.com 208.95.112.1, 49687, 80 TUT-ASUS United States 14->39 41 gofile.io 51.178.66.33, 443, 49688 OVHFR France 14->41 43 6 other IPs or domains 14->43 65 Tries to steal Mail credentials (via file / registry access) 14->65 67 Tries to harvest and steal browser information (history, passwords, etc) 14->67 69 Tries to harvest and steal WLAN passwords 14->69 18 cmd.exe 1 14->18         started        21 cmd.exe 1 14->21         started        signatures8 process9 signatures10 53 Uses netsh to modify the Windows network and firewall settings 18->53 55 Tries to harvest and steal WLAN passwords 18->55 23 netsh.exe 3 18->23         started        25 conhost.exe 18->25         started        27 findstr.exe 1 18->27         started        29 chcp.com 1 18->29         started        31 netsh.exe 3 21->31         started        33 conhost.exe 21->33         started        35 chcp.com 1 21->35         started        process11
Threat name:
ByteCode-MSIL.Infostealer.Stealgen
Status:
Malicious
First seen:
2022-09-28 08:20:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection spyware stealer
Behaviour
Checks processor information in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Looks up geolocation information via web service
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
d3922f1b21a2804db57d5bc137d2107b124c8f8f0cfad5ee877fdfb2fd29f492
MD5 hash:
2362b0e303cace448df34405a9f95948
SHA1 hash:
caae891feafada80e9ab1d29bdd116f75bf86bf4
SH256 hash:
d940a07e1486dc526b9a6a30e1a0dc14f7b4883e5f0858e7e480410d097a2872
MD5 hash:
55600fff398af68b1145063b08d21cb4
SHA1 hash:
821ec50fbf8e113bb37e1579d7fab4e558236488
SH256 hash:
beee6806bcb654bc0d8f3d34949c10c65368b8711c24eba4bd18c38828625853
MD5 hash:
1106d8b41982e32fa334674803e64f4c
SHA1 hash:
737771566e2b23c8179a87d9a55255c2173cce11
SH256 hash:
d5e89bbe95eb6e5d463d3b52ffe77724ea81eac11560a068d821220029de405f
MD5 hash:
4775e47dcd32f6b4cf7b389e9dd30d82
SHA1 hash:
f3d1e8269876de41267de78babbc94421eb71be1
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:grakate_stealer_nov_2021
Rule name:INDICATOR_EXE_Packed_Fody
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:INDICATOR_SUSPICIOUS_EXE_CC_Regex
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_Discord_Regex
Author:ditekSHen
Description:Detects executables referencing Discord tokens regular expressions
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_CryptoWallets
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. 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_References_VPN
Author:ditekSHen
Description:Detects executables referencing many VPN software clients. Observed in infosteslers
Rule name:INDICATOR_SUSPICIOUS_EXE_WirelessNetReccon
Author:ditekSHen
Description:Detects executables with interest in wireless interface using netsh
Rule name:MALWARE_Win_UnamedStealer
Author:ditekSHen
Description:Detects unknown infostealer. Observed as 2nd stage and injects into .NET AppLaunch.exe
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Formbook

Executable exe d5e89bbe95eb6e5d463d3b52ffe77724ea81eac11560a068d821220029de405f

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-10-04 06:24:38 UTC

url : hxxp://101.99.93.147/dashboard/pg/Calc.exe