MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a3721fdc1d4f9179cec068cac23a723fdf2bba91ab354811266d90defbcffc1f. 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: | a3721fdc1d4f9179cec068cac23a723fdf2bba91ab354811266d90defbcffc1f |
|---|---|
| SHA3-384 hash: | 8b9f490284670f11780fefd6c12bcad3303bd17e0011cde3821df6595043224358fb5950493a207c9943eef1830f7060 |
| SHA1 hash: | d6dffa591345e3e1fb4806a676f07a31721942d2 |
| MD5 hash: | 8b1559c9e441e9a6944074cbc450f3ec |
| humanhash: | oscar-bluebird-blue-spring |
| File name: | Elite Shipment pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 800'256 bytes |
| First seen: | 2025-07-14 12:54:16 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger) |
| ssdeep | 12288:l6FAkO9AFtK1fR0OWgzUpIJURj7oYbCr9Qv4QsHmZrCbEixnewakD5Uj3:7kQCtKPhEpIWRj0vrbQa170wamuj |
| Threatray | 28 similar samples on MalwareBazaar |
| TLSH | T1870501637506F922CCA063B95668E3B9123D5E88E423C38745F9BE7B3D427932DD49C2 |
| 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 | f0d4e68a9abcf071 (2 x Formbook, 1 x SnakeKeylogger, 1 x VIPKeylogger) |
| Reporter |  James_inthe_box |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
40
Origin country :
USVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
09072025_1013_08072025_EliteShipmentpdf.pdf.z
Verdict:
Malicious activity
Analysis date:
2025-07-09 10:24:19 UTC
Tags:
arch-exec netreactor formbook xloader stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Verdict:
Malicious
Score:
70%
Tags:
underscore extens micro spawn
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
base64 bitmap lolbin masquerade msbuild obfuscated packed packed reconnaissance regsvcs rezer0 roboski schtasks stego vbc vbnet zero
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.02 Win 32 Exe x86
Verdict:
Malicious
Threat:
trojan.msil/noon
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2025-07-09 04:23:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
22 of 38 (57.89%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
unc_loader_037
formbook
Similar samples:
+ 18 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
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a3721fdc1d4f9179cec068cac23a723fdf2bba91ab354811266d90defbcffc1f
MD5 hash:
8b1559c9e441e9a6944074cbc450f3ec
SHA1 hash:
d6dffa591345e3e1fb4806a676f07a31721942d2
SH256 hash:
38b7bd95b2e31924529d4858b0cb7689be3c5835d7dd1da7c976c790b290ed6a
MD5 hash:
fc0122bc4af85e901f8cc57c0095bb8b
SHA1 hash:
49d231a0b84016e54743fdb1dce1c948bdc07b9b
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
INDICATOR_EXE_Packed_SmartAssembly
SH256 hash:
5452f7a87d31ce67c2c1125d0b0883f6b43e120989cd2815604590cb9fb3fae0
MD5 hash:
f926d987e1e6feaa550ade40f9969273
SHA1 hash:
5c09281e0ad9e1783933549045e2c7f40daa4560
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
70f61d5be5b17a39f894d4d914e74c7cc9e0c06b1b7ca83823cd705ce810ac8d
MD5 hash:
895343337bdcd007996eb9d3f26f088d
SHA1 hash:
bba01cdba5c804e4b53e46844fec72aa6e8c4283
SH256 hash:
e5e4db909ba70e3204ddac1aaa464675775c01faaaaedcaaaccc34ac27a01929
MD5 hash:
db07452c55f5174cc8446f41897c32dd
SHA1 hash:
dfdddd470725db05d6ba7a5c37beccce2bdb80ce
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: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| 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.
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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