MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b8b09c647ff87def8475c41e075619f2c34071681ca892ec25cdafcf49a38100. 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: | b8b09c647ff87def8475c41e075619f2c34071681ca892ec25cdafcf49a38100 |
|---|---|
| SHA3-384 hash: | 35d406bda96490be52e496596606e6a8e0faaa51e18a6dee6fb2f879bceaed477e79c196e9ca07e963dd696b450c243b |
| SHA1 hash: | 3c72b3886b8e946abe194005de22be9096a2929b |
| MD5 hash: | 34bfe23fd8fa47db397fbd21a0ad9b92 |
| humanhash: | uncle-monkey-friend-twenty |
| File name: | ORDER #033125.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 335'360 bytes |
| First seen: | 2025-03-31 05:35:17 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 6144:Fd2vr7riDFG1kaMAdJGuRzJDOo000I5NURMYHJt29nPr3QcaEqYn:6vHGDoztdDT0zI5NSFqPT1 |
| TLSH | T11A642310E212BC0FC96D687042870EC5EAC2ADFB4E592BA4A759E0DBEC7917D7507C47 |
| TrID | 35.7% (.EXE) Win32 Executable (generic) (4504/4/1) 16.3% (.ICL) Windows Icons Library (generic) (2059/9) 16.1% (.EXE) OS/2 Executable (generic) (2029/13) 15.8% (.EXE) Generic Win/DOS Executable (2002/3) 15.8% (.EXE) DOS Executable Generic (2000/1) |
| Magika | pebin |
| dhash icon | c627e5c19595ab86 (1 x Formbook) |
| Reporter |  threatcat_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
441
Origin country :
CHVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ORDER #033125.exe
Verdict:
No threats detected
Analysis date:
2025-03-31 05:37:51 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
90.2%
Tags:
shellcode injection virus
Result
Verdict:
Clean
Maliciousness:
Behaviour
Сreating synchronization primitives
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
masquerade microsoft_visual_cc overlay packed packed packer_detected
Verdict:
Malicious
Labled as:
Mikey.Generic
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
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)
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-03-31 05:18:45 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
21 of 24 (87.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
3/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b8b09c647ff87def8475c41e075619f2c34071681ca892ec25cdafcf49a38100
MD5 hash:
34bfe23fd8fa47db397fbd21a0ad9b92
SHA1 hash:
3c72b3886b8e946abe194005de22be9096a2929b
SH256 hash:
a55bdfcade2488301a1bb4130b2e366ade7de5c63f395c202d478a020b65bb0b
MD5 hash:
e4ad1d649ec774f6ea7eaef82c95dd08
SHA1 hash:
8b0e0a74f31e925fcb467756936afd975ebe1acc
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.34
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: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| 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
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
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