MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d44959e93dc687dfdb0c21412c5adafe83b051e8f6f75b1063f77444b8997aa9. 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: 17
| SHA256 hash: | d44959e93dc687dfdb0c21412c5adafe83b051e8f6f75b1063f77444b8997aa9 |
|---|---|
| SHA3-384 hash: | 6e97cbdffafa5303b0967e267cf94d0fcc8cd7e8e028448ee1f66f84ee05e8958fa21a1acfd87e27f582d6618ab46338 |
| SHA1 hash: | 6d352144aa08f194fc644d67790695697b77ebe4 |
| MD5 hash: | 7ed531c449e466a01400f0cbb0fd52c3 |
| humanhash: | missouri-uncle-saturn-green |
| File name: | SecuriteInfo.com.Variant.Strictor.299872.1985.31709 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 754'176 bytes |
| First seen: | 2025-08-06 03:23:21 UTC |
| Last seen: | 2025-08-08 13:36:59 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:bo3NzoRultRj9xECg9wPiylI8uOla/NXGMR7CJdyh+nzSIALDb:ANMkTsyPiylI5SaloJAh+nzSD |
| Threatray | 4'220 similar samples on MalwareBazaar |
| TLSH | T1E9F4225B2429C91BE06462F180B3E37A03AD8C6BE657D30AFBE8DDDB7A173915418347 |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10522/11/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| Magika | pebin |
| dhash icon | d9b8e8e8e96982ce (6 x SnakeKeylogger, 4 x AgentTesla, 4 x Formbook) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
5
# of downloads :
57
Origin country :
FRVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.Variant.Strictor.299872.1985.31709
Verdict:
Malicious activity
Analysis date:
2025-08-06 03:23:57 UTC
Tags:
formbook xloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Verdict:
Malicious
Score:
90.2%
Tags:
virus micro msil
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching the default Windows debugger (dwwin.exe)
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed vbnet
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Malware family:
Agent Tesla
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
12 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.46 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-08-06 02:40:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 37 (51.35%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
unc_loader_037
Similar samples:
+ 4'210 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
d44959e93dc687dfdb0c21412c5adafe83b051e8f6f75b1063f77444b8997aa9
MD5 hash:
7ed531c449e466a01400f0cbb0fd52c3
SHA1 hash:
6d352144aa08f194fc644d67790695697b77ebe4
SH256 hash:
bf055955186bbe08f6ca366549751310f1958eb528d0fb029c457425963c76ad
MD5 hash:
2db6bc1c88650472ee9780cef12e7a77
SHA1 hash:
02ba920c9a63374cf0ede1bef4a95ece6aa047b8
SH256 hash:
78b7efd713d42402b7b2393aa73ad818b68766009e802f57bd5938a24cbf7d1c
MD5 hash:
43e6b4bdb476e105ec1fb1aa8719df41
SHA1 hash:
c62d7ffcae073f74d4e752dcfc25a15c0bd3cbfa
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
6602459e917db58b17b53efcaa362098586828fb2cc861bf4158a64857483209
MD5 hash:
9d830fab59624d6820d261b39c5316b8
SHA1 hash:
e14d1e0eb5c9223920fef1028ab7f7c67f0782c5
Malware family:
FormBook
Verdict:
Malicious
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: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| 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.
Malspam
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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