MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 dd4179b5a4beb239b0ebd4b6f10561ced525e6270ab670d624c592c174c05aaf. 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: 14
| SHA256 hash: | dd4179b5a4beb239b0ebd4b6f10561ced525e6270ab670d624c592c174c05aaf |
|---|---|
| SHA3-384 hash: | 092d1450a1a4ec483e2130699608f31ee09c7d49355c995cfe4a9cc80d1a4c52c4ab0314787ac86f99a34e98764577ef |
| SHA1 hash: | fee8cbac01b4054b69bc841e1ab4be6f66f55e3a |
| MD5 hash: | cb50518f42d6276eeeadfb1a53155b89 |
| humanhash: | september-illinois-comet-whiskey |
| File name: | file.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'060'352 bytes |
| First seen: | 2025-02-05 07:07:24 UTC |
| Last seen: | 2025-02-05 07:49:54 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 24576:ptsdAgPasfTtcjIXYVa3EeGTY1fIFDWPV6fPbsM:ptKAgSsbABalGTY1AFDq |
| Threatray | 2 similar samples on MalwareBazaar |
| TLSH | T18835F17CF2E75F22D79D4137CCE16C1047A274499426F34B708800EAA91EFE9AA91B5B |
| TrID | 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| File icon (PE): |  |
| dhash icon | 8018b49492b41880 (13 x Formbook, 4 x AgentTesla, 4 x MassLogger) |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
447
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file.exe
Verdict:
No threats detected
Analysis date:
2025-02-05 07:31:15 UTC
Tags:
netreactor
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
agenttesla bladabindi
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
net_reactor obfuscated obfuscated obfuscated packed packed packer_detected vbnet
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Result
Verdict:
MALICIOUS
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook, PureLog Stealer
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
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Machine Learning detection for 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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2025-02-05 07:08:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
12 of 38 (31.58%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
unknown_loader_037
Result
Malware family:
n/a
Score:
8/10
Tags:
discovery execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
dd4179b5a4beb239b0ebd4b6f10561ced525e6270ab670d624c592c174c05aaf
MD5 hash:
cb50518f42d6276eeeadfb1a53155b89
SHA1 hash:
fee8cbac01b4054b69bc841e1ab4be6f66f55e3a
SH256 hash:
f8bdc23fa576d37a2950b6ac3c439289b93aeb19597154f31f80bb0b337714b5
MD5 hash:
46fca256f045b5d6d6fbc159504cab67
SHA1 hash:
d4b4c9e21670d3b063fbabbe8d66f0965c97b111
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
e712bcd56fe64742c0f674f3acff83490f8103c260ea3389f56151b5066b7cd3
MD5 hash:
7bad4197d1ae020c9049a782eb9a71d2
SHA1 hash:
e1253047ea92beb7d161b106765ad8b03bc86b1e
SH256 hash:
3ef00bdfccaffea7c37020c0d11b1166c83e20675ece5261eca0869d25a8173e
MD5 hash:
a69de0ec09c612a2cf552f02876f3b86
SHA1 hash:
f2671a8609e1ceac5c4984e24e8203e8ccb41e95
SH256 hash:
fc6795eea254ce3fba9b3d460ee522248702163fa7f0c6a393fd501eb484f154
MD5 hash:
38e49fe7bb938d5ecbdd15621c86cdb6
SHA1 hash:
f56ff6479672106b6fdcd7e317f97415e01fb8cd
SH256 hash:
750ea86c4653d26466f07091e66331cef155faf328d90627314f8e24aca0cbf6
MD5 hash:
32ac9c022ab066a847bcef5f3c04d6c3
SHA1 hash:
9de1ccad57aa1aa368173bf544984620f5a90ba8
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: | DotNet_Reactor |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on. |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| 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: | PureCrypter |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies PureCrypter, .NET loader and obfuscator. |
| Reference: | https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter |
| 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.
No further information available
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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