MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 9c341781de4c4c960e81a588b48b6537658a89f7492ff46201d214ffb3691b24. 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: | 9c341781de4c4c960e81a588b48b6537658a89f7492ff46201d214ffb3691b24 |
|---|---|
| SHA3-384 hash: | 5ba7d10989808275900e48c03b19d5d5f4984be0da63a63aeb418e03690fc4e79f54968ad08b39176862a4b0b2eab1c9 |
| SHA1 hash: | 87cc0d6079cf92d68ba5e8f5f7ccd3061a75f461 |
| MD5 hash: | dc338e96db51c5cd22f5137d4e65645a |
| humanhash: | lamp-south-idaho-texas |
| File name: | PO#240145.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 857'600 bytes |
| First seen: | 2025-07-29 07:07:58 UTC |
| Last seen: | 2025-08-12 14:40:12 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'659 x Formbook, 12'249 x SnakeKeylogger) |
| ssdeep | 24576:yJDvUnVD4LjQlEcWuHw/7IUa7Fs25+wnesUUmc5x:yJgV6kjyRa7Fs8Jemn |
| Threatray | 4'154 similar samples on MalwareBazaar |
| TLSH | T10805BD7431AD8863DA7952F04460D17533AB5ECF682AE2DA4DC6BDCB7CE4BC10B94A43 |
| 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 | 00e425252425e400 (12 x SnakeKeylogger, 9 x Formbook, 2 x DCRat) |
| Reporter | Anonymous |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
57
Origin country :
PLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO#240145.exe
Verdict:
No threats detected
Analysis date:
2025-07-29 06:44:48 UTC
Tags:
netreactor
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Verdict:
Malicious
Score:
91.7%
Tags:
stration shell spawn
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Sending a custom TCP request
Сreating synchronization primitives
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Verdict:
Malicious
Labled as:
Trojan.GenericS
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.16 Win 32 Exe x86
Verdict:
Malicious
Threat:
Trojan.MSIL.Taskun
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-07-28 13:51:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
23 of 38 (60.53%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
unc_loader_037
Similar samples:
+ 4'144 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
9c341781de4c4c960e81a588b48b6537658a89f7492ff46201d214ffb3691b24
MD5 hash:
dc338e96db51c5cd22f5137d4e65645a
SHA1 hash:
87cc0d6079cf92d68ba5e8f5f7ccd3061a75f461
SH256 hash:
ed717effcf9afa0a8b2128e065a46f0da2bb1f222a5c2a63ea3071be28cda3fa
MD5 hash:
ac49d53ff2456763ad421942e5a8d5c6
SHA1 hash:
0b2b28e3318f39f559b99511d72f0a0d63b29d89
SH256 hash:
cf62f1c8466deb2b6e68158fdfb2b77e54893641ef62057b566a2efea4a759f3
MD5 hash:
e5f4d04eb930f24b4486ee78b51d513c
SHA1 hash:
b37cd2bd299330dbc4cdb86b03d802e07519179f
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
dea6293e02684600c3556a50550851a4e4ea6ae4e0c83d60fa3d338c74a6e265
MD5 hash:
90be28cea7171235b75bfcfede7c8c1a
SHA1 hash:
df432c736173fd4071437bcb0178fd4dde9dc074
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
INDICATOR_EXE_Packed_SmartAssembly
SH256 hash:
6c157953426f359e393fbe500bc7abc6c0f5dc7f4757c04be1b5d137184af87e
MD5 hash:
62cc51962386c66a2ac47b803d6449c0
SHA1 hash:
f9b3dcc8fb68dfa48c6aec24dbaab7f078dc0eb3
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: | 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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