MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6f8683626e582db605ecdcafea662267c998b5f7066759867aa4f7db5dc71599. 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: 10
| SHA256 hash: | 6f8683626e582db605ecdcafea662267c998b5f7066759867aa4f7db5dc71599 |
|---|---|
| SHA3-384 hash: | de346f9404c308c20ab3104280c66e9bda2499b577ee86167812d5439f872133fc5c2c7b5c08150799627df8058e3b20 |
| SHA1 hash: | c8a83e47639c5157f06adc105c77d7cfa64c3e78 |
| MD5 hash: | bb367aaa2b80a003f8edccd8bab0e823 |
| humanhash: | orange-georgia-pasta-two |
| File name: | FieroHack.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 79'872 bytes |
| First seen: | 2022-02-09 05:08:36 UTC |
| Last seen: | 2022-02-11 07:48:36 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger) |
| ssdeep | 1536:rKVNOcLwyL/GvjkLhkrjFLFd78+ygdJWP5xhoYR8l1bY/3Z3Dr6tiz:otL/QA+78+ywJWxcYa3YvZ3Dr6Yz |
| Threatray | 1'992 similar samples on MalwareBazaar |
| TLSH | T130734B4577D31B51D3A95179C2E3062413F6E38B3A73C78E3A8C038A5F627E58E46B89 |
| File icon (PE): |  |
| dhash icon | 8e2f69614d69338e (2 x Formbook) |
| Reporter |  adm1n_usa32 |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
5
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FieroHack.exe
Verdict:
Malicious activity
Analysis date:
2022-02-09 05:07:10 UTC
Tags:
evasion
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a file
Launching a process
Running batch commands
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Creating a window
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Using obfuscated Powershell scripts
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm obfuscated packed replace.exe
Result
Verdict:
SUSPICIOUS
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:
Ryuk
Verdict:
Malicious
Result
Threat name:
Xmrig
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
ByteCode-MSIL.Trojan.Casdet
Status:
Malicious
First seen:
2022-02-08 21:49:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
24 of 27 (88.89%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 1'982 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
10/10
Tags:
n/a
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
Suspicious use of NtCreateProcessExOtherParentProcess
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
6f8683626e582db605ecdcafea662267c998b5f7066759867aa4f7db5dc71599
MD5 hash:
bb367aaa2b80a003f8edccd8bab0e823
SHA1 hash:
c8a83e47639c5157f06adc105c77d7cfa64c3e78
Verdict:
Malicious
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_DiscordURL |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables Discord URL observed in first stage droppers |
| 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: | SUSP_PE_Discord_Attachment_Oct21_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN) |
| Reference: | Internal Research |
| 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
Delivery method
Distributed via web download
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