MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 424fbe09e0b7cb5600027b7469330a2809957bdbda04cf34e51dce3edcf9eb18. 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: 12
| SHA256 hash: | 424fbe09e0b7cb5600027b7469330a2809957bdbda04cf34e51dce3edcf9eb18 |
|---|---|
| SHA3-384 hash: | 61b455c6a5d68e0b7d6f8b5d1c128e3181ebd668da52f5d67c76494d04e9cbd1456bf2e0d72428e5ae3fa5f4774ee960 |
| SHA1 hash: | 3303016ae48fea9e7f14c24f4eed772cf82c4204 |
| MD5 hash: | 9349fddaecec7ec18d1c6e8c403c639d |
| humanhash: | kentucky-lake-bluebird-thirteen |
| File name: | DecPayment410_F2103_S29103_M839_U4721_S381I_S98EEU_USD031224.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 429'600 bytes |
| First seen: | 2024-12-03 13:09:18 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 6144:uvEHGlNa5TQRIHG+Bxdrn7bOwrFZ1i/WtadR78:VHEaHG+BPi/WodR78 |
| TLSH | T1AB9481D6FED6C561C2A017FAC6AE09109360E485A353DF09368B23ED199772EDDCC1E2 |
| TrID | 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| File icon (PE): |  |
| dhash icon | d8b8669032604904 (1 x Formbook, 1 x ResolverRAT) |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
403
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DecPayment410_F2103_S29103_M839_U4721_S381I_S98EEU_USD031224.exe
Verdict:
Malicious activity
Analysis date:
2024-12-03 13:57:37 UTC
Tags:
purecrypter netreactor purelogs exfiltration stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
autorun virus msil dldr
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Connection attempt
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
masquerade net_reactor obfuscated packed
Verdict:
Malicious
Labled as:
Trojan[Downloader]/MSIL.FormBook
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Drops VBS files to the startup folder
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: Drops script at startup location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Score:
87%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2024-12-03 07:49:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
19 of 38 (50.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
10/10
Tags:
collection discovery spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Drops startup file
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
424fbe09e0b7cb5600027b7469330a2809957bdbda04cf34e51dce3edcf9eb18
MD5 hash:
9349fddaecec7ec18d1c6e8c403c639d
SHA1 hash:
3303016ae48fea9e7f14c24f4eed772cf82c4204
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | pe_imphash |
|---|
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | RansomPyShield_Antiransomware |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP) |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
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