MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53a883b8f26435986767ae5c21bca0bb7cdd1e121ca7ccf85ed31ae2157da1b7. 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 8 File information Comments

SHA256 hash: 53a883b8f26435986767ae5c21bca0bb7cdd1e121ca7ccf85ed31ae2157da1b7
SHA3-384 hash: ddcf7e08f23bc1c8c9e02a1567863b22187660515211a266a6570b0add09c15330c52a9fa491e45a9deb8677c2ee5a75
SHA1 hash: e9ffbcd2ec3cd90d75134218545087170dd02b98
MD5 hash: 267b21b2d3bd00eca024ad3778eee8f6
humanhash: xray-lactose-carpet-asparagus
File name:FieroHack.exe
Download: download sample
Signature Formbook
File size:6'139'901 bytes
First seen:2022-02-05 14:23:29 UTC
Last seen:2022-02-05 15:33:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 98304:Y2+ewHsfI42QPLXJ+Qgxas3eIEgtX1U5qbBbaOjqoaou0mfqEZr2PLdzsF+noDGh:YBV2PdbJ+Qgxaqe1gtXqUhjqGm2zdze+
Threatray 1'162 similar samples on MalwareBazaar
TLSH T1925633C4479C517DE1EB25314C2B9A3E49F0A24E3944C7E35B40CAB91CA397268B7BBD
File icon (PE):PE icon
dhash icon 8e2753b1b1552b0f (1 x Formbook)
Reporter tech_skeech
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FieroHack.rar
Verdict:
Malicious activity
Analysis date:
2022-02-04 18:54:57 UTC
Tags:
evasion stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% directory
Creating a process from a recently created file
Launching a process
Running batch commands
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a window
Possible injection to a system process
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Using obfuscated Powershell scripts
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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:
Unknown
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Creates a thread in another existing process (thread injection)
Creates files in the system32 config directory
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
Found suspicious powershell code related to unpacking or dynamic code loading
Hooks files or directories query functions (used to hide files and directories)
Hooks processes query functions (used to hide processes)
Hooks registry keys query functions (used to hide registry keys)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
PE file has nameless sections
Potential dropper URLs found in powershell memory
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Suspicious Svchost Process
Uses nslookup.exe to query domains
Uses schtasks.exe or at.exe to add and modify task schedules
Very long command line found
Writes to foreign memory regions
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 566954 Sample: FieroHack.exe Startdate: 05/02/2022 Architecture: WINDOWS Score: 100 88 Malicious sample detected (through community Yara rule) 2->88 90 Antivirus detection for dropped file 2->90 92 Multi AV Scanner detection for dropped file 2->92 94 13 other signatures 2->94 10 FieroHack.exe 9 2->10         started        13 powershell.exe 2->13         started        16 chrome.exe 2->16         started        18 powershell.exe 2->18         started        process3 file4 74 C:\Users\user\AppData\Roaming\sksk.exe, PE32 10->74 dropped 76 C:\Users\user\AppData\Roaming\chrome.exe, PE32+ 10->76 dropped 20 chrome.exe 5 10->20         started        24 sksk.exe 10->24         started        114 Creates files in the system32 config directory 13->114 116 Writes to foreign memory regions 13->116 118 Modifies the context of a thread in another process (thread injection) 13->118 120 Injects a PE file into a foreign processes 13->120 26 dllhost.exe 13->26         started        28 conhost.exe 13->28         started        122 Antivirus detection for dropped file 16->122 124 Multi AV Scanner detection for dropped file 16->124 126 Machine Learning detection for dropped file 16->126 128 Found suspicious powershell code related to unpacking or dynamic code loading 18->128 30 conhost.exe 18->30         started        signatures5 process6 file7 72 C:\Users\user\AppData\Roaming\...\chrome.exe, PE32+ 20->72 dropped 98 Antivirus detection for dropped file 20->98 100 Multi AV Scanner detection for dropped file 20->100 102 Machine Learning detection for dropped file 20->102 112 2 other signatures 20->112 32 cmd.exe 1 20->32         started        35 cmd.exe 20->35         started        37 cmd.exe 20->37         started        39 nslookup.exe 20->39         started        104 Writes to foreign memory regions 24->104 106 Allocates memory in foreign processes 24->106 108 Injects a PE file into a foreign processes 24->108 41 AppLaunch.exe 15 3 24->41         started        44 WerFault.exe 23 9 24->44         started        110 Creates a thread in another existing process (thread injection) 26->110 46 winlogon.exe 26->46 injected 48 lsass.exe 26->48 injected 50 3 other processes 26->50 signatures8 process9 dnsIp10 82 Encrypted powershell cmdline option found 32->82 84 Uses schtasks.exe or at.exe to add and modify task schedules 32->84 52 powershell.exe 24 32->52         started        54 conhost.exe 32->54         started        56 powershell.exe 32->56         started        58 chrome.exe 35->58         started        61 conhost.exe 35->61         started        63 conhost.exe 37->63         started        65 schtasks.exe 37->65         started        80 ip-api.com 208.95.112.1, 49745, 80 TUT-ASUS United States 41->80 86 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 41->86 signatures11 process12 file13 78 C:\Users\user\AppData\...\sihost64.exe, PE32+ 58->78 dropped 67 cmd.exe 58->67         started        process14 signatures15 96 Encrypted powershell cmdline option found 67->96 70 conhost.exe 67->70         started        process16
Gathering data
Threat name:
Win32.Trojan.GenSteal
Status:
Malicious
First seen:
2022-02-04 20:41:46 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
23 of 43 (53.49%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
d2a0390233f020fee17ed4bf3d9d6504584159bc94f1f61b35ab3d6cad5935b1
MD5 hash:
c67a91eed0777393b0c7ef9835a4076f
SHA1 hash:
03b72822f997edf30eae3bbea85852218cc048a6
SH256 hash:
53a883b8f26435986767ae5c21bca0bb7cdd1e121ca7ccf85ed31ae2157da1b7
MD5 hash:
267b21b2d3bd00eca024ad3778eee8f6
SHA1 hash:
e9ffbcd2ec3cd90d75134218545087170dd02b98
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: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_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_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Telegram_Exfiltration_Via_Api
Author:lsepaolo

File information


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

Web download

Formbook

Executable exe 53a883b8f26435986767ae5c21bca0bb7cdd1e121ca7ccf85ed31ae2157da1b7

(this sample)

  
Delivery method
Distributed via web download

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