MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f66087a136da4cc49c15eec3b25f784077bb2fb1f8b583765a6f0236fbe71fc. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments

SHA256 hash: 8f66087a136da4cc49c15eec3b25f784077bb2fb1f8b583765a6f0236fbe71fc
SHA3-384 hash: 0f8e89e9cd7b37b42ce95bbc9a1a8b0dfa3f6f4fea034c450a085d8e83fb38381d87c1ca064ad0fff7897424a192c8c0
SHA1 hash: 7f19beeb331f5c224d46f16abe143af3332d56fd
MD5 hash: 3977f99d25b05899eac55bcc92d40cbf
humanhash: mississippi-grey-solar-four
File name:z1209627360293827.exe
Download: download sample
Signature Formbook
File size:1'342'464 bytes
First seen:2024-08-28 23:06:19 UTC
Last seen:2024-09-02 09:16:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5faae8ff15155ab8458161fbe501fca8 (1 x Formbook, 1 x DBatLoader)
ssdeep 24576:7OVUtQcs67m2R3FL5YCJv0lWeF2Sk6AMskY/m2AIvO4+UVBAlUz:7OkzhjHLF6ApqI/4
TLSH T1E8554A95E2E04433C91105FBF487A3A07A1F7BA1961E64C1A6BE3B740E35EC92415FBB
TrID 38.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
28.2% (.EXE) Win64 Executable (generic) (10523/12/4)
12.0% (.EXE) Win32 Executable (generic) (4504/4/1)
5.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
5.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon d89838989adce474 (4 x DBatLoader, 2 x Formbook, 1 x RemcosRAT)
Reporter FXOLabs
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
424
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
09627360293827.exe
Verdict:
No threats detected
Analysis date:
2024-08-28 10:54:23 UTC
Tags:
fileshare

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Network Static Stealth Nekark
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
borland_delphi fingerprint keylogger 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:
DBatLoader, FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates a thread in another existing process (thread injection)
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1500882 Sample: z1209627360293827.exe Startdate: 29/08/2024 Architecture: WINDOWS Score: 100 29 www.yedurrum.xyz 2->29 31 www.onemuslimmentors.xyz 2->31 33 22 other IPs or domains 2->33 45 Suricata IDS alerts for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 53 6 other signatures 2->53 10 z1209627360293827.exe 2->10         started        signatures3 51 Performs DNS queries to domains with low reputation 31->51 process4 dnsIp5 41 dual-spov-0006.spov-msedge.net 13.107.137.11, 443, 49708, 49709 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 10->41 65 Writes to foreign memory regions 10->65 67 Allocates memory in foreign processes 10->67 69 Creates a thread in another existing process (thread injection) 10->69 71 2 other signatures 10->71 14 colorcpl.exe 2 10->14         started        signatures6 process7 signatures8 73 Maps a DLL or memory area into another process 14->73 17 NGjdqTmSlwabDHdcAHZumPCL.exe 14->17 injected process9 signatures10 43 Found direct / indirect Syscall (likely to bypass EDR) 17->43 20 grpconv.exe 13 17->20         started        process11 signatures12 55 Tries to steal Mail credentials (via file / registry access) 20->55 57 Tries to harvest and steal browser information (history, passwords, etc) 20->57 59 Modifies the context of a thread in another process (thread injection) 20->59 61 3 other signatures 20->61 23 NGjdqTmSlwabDHdcAHZumPCL.exe 20->23 injected 27 firefox.exe 20->27         started        process13 dnsIp14 35 synergon.space 109.95.158.127, 49750, 49751, 49752 DHOSTING-ASWarsawPolandPL Poland 23->35 37 www.zl1l5r.website 198.16.50.171, 49746, 49747, 49748 CNSERVERSUS United States 23->37 39 5 other IPs or domains 23->39 63 Found direct / indirect Syscall (likely to bypass EDR) 23->63 signatures15
Threat name:
Win32.Trojan.CrypterX
Status:
Malicious
First seen:
2024-08-27 19:34:03 UTC
File Type:
PE (Exe)
Extracted files:
70
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
modiloader
Score:
  10/10
Tags:
family:modiloader credential_access discovery stealer trojan
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Credentials from Password Stores: Credentials from Web Browsers
ModiLoader Second Stage
ModiLoader, DBatLoader
Unpacked files
SH256 hash:
63830b9aa1d1c2f89d0bceea2cd1906e593378b48cf83d4b2b1716f900660780
MD5 hash:
b08775f571d214fc58364caa76788290
SHA1 hash:
69e11b8cddd4ac358ff8ad4b5cb660e65b656123
Detections:
Typical_Malware_String_Transforms
SH256 hash:
7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
MD5 hash:
c116d3604ceafe7057d77ff27552c215
SHA1 hash:
452b14432fb5758b46f2897aeccd89f7c82a727d
SH256 hash:
8f66087a136da4cc49c15eec3b25f784077bb2fb1f8b583765a6f0236fbe71fc
MD5 hash:
3977f99d25b05899eac55bcc92d40cbf
SHA1 hash:
7f19beeb331f5c224d46f16abe143af3332d56fd
Detections:
DbatLoaderStage1
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:BobSoftMiniDelphiBoBBobSoft
Author:malware-lu
Rule name:Borland
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Malspam

Formbook

Executable exe 8f66087a136da4cc49c15eec3b25f784077bb2fb1f8b583765a6f0236fbe71fc

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryA
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::FindFirstFileA
version.dll::GetFileVersionInfoSizeA
version.dll::GetFileVersionInfoA
WIN_BASE_USER_APIRetrieves Account Informationkernel32.dll::GetComputerNameA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::FindWindowA
user32.dll::PeekMessageA
user32.dll::PeekMessageW
user32.dll::CreateWindowExA

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