MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 86807dc07a40390df6246332b833f324853306e4273db9601ab71a2f21902003. 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: | 86807dc07a40390df6246332b833f324853306e4273db9601ab71a2f21902003 |
|---|---|
| SHA3-384 hash: | e2a7032b3916b02c5ef8f6ff079e442b98b0a6cf66e87b25535c2c50b619e2f8174dba5320f8cb700275ca3436bafb8a |
| SHA1 hash: | 1fb888abb0f7385af5dbfd69afbfe088710bd936 |
| MD5 hash: | 5e58e8a4ad32bed650ca8310702f0f4d |
| humanhash: | quebec-three-nebraska-artist |
| File name: | PURCHASE ORDER AN43414_2312.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 962'560 bytes |
| First seen: | 2025-09-10 14:20:13 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:jTd4FvdddddcSxetUZ9zET7y0MpW3KbDZtu13EjZxgABvApL9w0wGFkyAeLC9pJr:jJuQ2/83qdMSjZCA2p9wGWxPnJ8Rx52 |
| Threatray | 1'028 similar samples on MalwareBazaar |
| TLSH | T18625F12032BC9823DA368BF01AB0E2B40BF97F596020C6DA9DC56DCF78B5F845A50757 |
| TrID | 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10522/11/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| Magika | pebin |
| Reporter |  threatcat_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
115
Origin country :
CHVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PURCHASE ORDER AN43414_2312.exe
Verdict:
No threats detected
Analysis date:
2025-09-10 14:23:17 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:
90.2%
Tags:
virus krypt msil
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
base64 bitmap lolbin masquerade msbuild obfuscated packed packed reconnaissance regsvcs rezer0 roboski schtasks stego vbc zero
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-10T02:54:00Z UTC
Last seen:
2025-09-10T02:54:00Z UTC
Hits:
~1000
Detections:
VHO:Backdoor.Win32.Agent.gen Trojan-Spy.Noon.HTTP.ServerRequest PDM:Trojan.Win32.Generic HEUR:Trojan.MSIL.Taskun.gen Trojan.MSIL.Inject.sb Trojan-PSW.Win32.Stealer.sb HEUR:Trojan.MSIL.Injector.gen Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.sb Trojan.MSIL.Taskun.sb Trojan.MSIL.Crypt.sb
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Family.FORMBOOK
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-09-10 09:07:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
27 of 38 (71.05%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
unc_loader_037
formbook
Similar samples:
+ 1'018 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:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
6a37d921e78a6395dc9b24ec939b293f751e05ff0447b9b5669b7cbd6107a0a7
MD5 hash:
2cd180885d10290ce9baff679ce124e8
SHA1 hash:
152d4667098f201cbacb2cf448dcba693517edbb
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
12dda0cd3b378fbced3071df357733426bb09e47c31fcc3ba6273650f67895dc
MD5 hash:
773c55854eb467033abb78bc2b667f80
SHA1 hash:
54bfd694185cd257abb4ee6b477dba12b971b9b9
SH256 hash:
0b7cdf9dbe6f165393c87acaad5aa65e6882b9d5c54550ef3c597737e0ad32ff
MD5 hash:
7e4ca1b335ac6a61c1477a46e04dbaad
SHA1 hash:
a2ca1a9641a0ddc668c93f5f89eac2b67ecd0f8e
SH256 hash:
5a349311e08dea6f42d504df8acff22ca6b0c6045e7dfdcef1ab3c151e2b0428
MD5 hash:
162385b9573a31cca12aa9e9dac881d5
SHA1 hash:
29cd6ce6a40ac53da47c5158682695c33f8dd6a9
Detections:
win_formbook_g0
SH256 hash:
86807dc07a40390df6246332b833f324853306e4273db9601ab71a2f21902003
MD5 hash:
5e58e8a4ad32bed650ca8310702f0f4d
SHA1 hash:
1fb888abb0f7385af5dbfd69afbfe088710bd936
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
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: | 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__GlobalFlags |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Active |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Thread |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | dgaagas |
|---|---|
| Author: | Harshit |
| Description: | Uses certutil.exe to download a file named test.txt |
| Rule name: | Formbook |
|---|---|
| Author: | kevoreilly |
| Description: | Formbook Payload |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| 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.
Malspam
Delivery method
Distributed via e-mail attachment
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