MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 37a06f44a616755591465721051d8cb493f35851e776bfc2efcea342721d0879. 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: 16
| SHA256 hash: | 37a06f44a616755591465721051d8cb493f35851e776bfc2efcea342721d0879 |
|---|---|
| SHA3-384 hash: | 783fdae39acf1606934b7be126a2ce7d1a638276f2decd76e389c7f3b10357d511b3ec2c3596ef56d35fb5a013839096 |
| SHA1 hash: | 7282e888a7563a06e60b03af773c96b21c5613e8 |
| MD5 hash: | b0e4474d0ece8ade44f3bc69d9ee49f6 |
| humanhash: | connecticut-maine-maryland-thirteen |
| File name: | 37a06f44a616755591465721051d8cb493f35851e776bfc2efcea342721d0879 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'235'456 bytes |
| First seen: | 2025-09-05 13:01:34 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1895460fffad9475fda0c84755ecfee1 (301 x Formbook, 52 x AgentTesla, 35 x SnakeKeylogger) |
| ssdeep | 24576:x5EmXFtKaL4/oFe5T9yyXYfP1ijXdaDgAZI02HZdU0n1Rs:xPVt/LZeJbInQRaDgAcHZdh1 |
| Threatray | 813 similar samples on MalwareBazaar |
| TLSH | T10245BF027381C062FFAB96734F56F6115BBC7A260123A62F13981DB9BD701B1563E7A3 |
| TrID | 40.3% (.EXE) Win64 Executable (generic) (10522/11/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| Reporter |  adrian__luca |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
60
Origin country :
HUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
37a06f44a616755591465721051d8cb493f35851e776bfc2efcea342721d0879
Verdict:
No threats detected
Analysis date:
2025-09-05 18:30:14 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Verdict:
Malicious
Score:
99.1%
Tags:
nymeria autoit emotet
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script extrac32 fingerprint keylogger lolbin microsoft_visual_cc mmc nymeria obfuscated packed packed packer_detected threat
Verdict:
Malicious
Labled as:
AIT:Trojan.Nymeria
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-19T23:30:00Z UTC
Last seen:
2025-08-19T23:30:00Z UTC
Hits:
~1000
Malware family:
Formbook
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-08-20 02:41:17 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
27 of 36 (75.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 803 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
37a06f44a616755591465721051d8cb493f35851e776bfc2efcea342721d0879
MD5 hash:
b0e4474d0ece8ade44f3bc69d9ee49f6
SHA1 hash:
7282e888a7563a06e60b03af773c96b21c5613e8
SH256 hash:
868608c33dedf4bc3298d957cae8ee2fb9e7fc54767e354e0a3b5e788af36237
MD5 hash:
d9d33bf9379520224a33c184301d3101
SHA1 hash:
21c663ce45214c03670ab5c8845607059405dcc6
SH256 hash:
c8b7519e664c957b64ec0c8342ae2032906c4a8d98e26e4817bc5a2cdba2c918
MD5 hash:
2972f57654b7802ae05e9cb96f31e902
SHA1 hash:
162e977b458e63e6355db3452a26e77f0b7e6236
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: | AutoIT_Compiled |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious. |
| Rule name: | CP_AllMal_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication |
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | pe_detect_tls_callbacks |
|---|
| 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: | 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.
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