MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 27933dab971d59c6643782d5ba06a20be1a4d6de96c1d817d8643a59bff24a63. 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: 13
| SHA256 hash: | 27933dab971d59c6643782d5ba06a20be1a4d6de96c1d817d8643a59bff24a63 |
|---|---|
| SHA3-384 hash: | b70a9a1242dec5028d754e6400f97a6acdad60074f35a58333927c1ed318b086e8b99a0fcf1fba96f28829d047c91f76 |
| SHA1 hash: | 5e3809c4b465eeb16e61b531ba82fb890cb45d3e |
| MD5 hash: | fa464b88b8d056baa452abd50de4d9cc |
| humanhash: | earth-bakerloo-stream-robin |
| File name: | SecuriteInfo.com.Win32.Trojan-Stealer.FormBook.YN5GGH.25394.25790 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 752'640 bytes |
| First seen: | 2024-05-16 09:36:42 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:r0pei36RgGQmndBMAygXmTzwLkp7VX3ypdfJzZT2JzT5KWyGuF6QjH0:Ypp36yGBrzXyikZBypxJzZT2f5ynIeH |
| TLSH | T1EFF4230D23FFA571C2ACCBB226F33152493D39950489D74BD9E542C50BB1A99EE422BF |
| TrID | 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.1% (.SCR) Windows screen saver (13097/50/3) 8.9% (.EXE) Win64 Executable (generic) (10523/12/4) 5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.8% (.EXE) Win32 Executable (generic) (4504/4/1) |
| File icon (PE): |  |
| dhash icon | 0074696971796400 (7 x AgentTesla, 6 x Formbook, 3 x Loki) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
323
Origin country :
FRVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
27933dab971d59c6643782d5ba06a20be1a4d6de96c1d817d8643a59bff24a63.exe
Verdict:
Malicious activity
Analysis date:
2024-05-16 09:38:49 UTC
Tags:
formbook xloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
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
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
MSIL Injector
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-05-16 05:27:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 24 (83.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
8/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
ac3b79785143604a2403ade55b25212602967425dd971803df17d6efa666ca69
MD5 hash:
02f636d92ced5dc62c9fc24ab101e250
SHA1 hash:
c19c9550c3f23637df97e1bf7b86a903491f4830
SH256 hash:
55e1ac495540abe5f3832714d2f42df045964eb9b10e5312bb32d0a81e65878c
MD5 hash:
a8e5055f74665b2e11b167a1765e035b
SHA1 hash:
1751473a2885002ab57ba1c35c1d3d60a842d3af
SH256 hash:
73eba06a7811038e7f291a7ebe715307b3bdecd8bad25577cf5196a81e2ab567
MD5 hash:
71f0041667d5e3ea0d269105a74e2b4a
SHA1 hash:
ffc617b42aff2ac376a7e8275d10a35630b68ce7
SH256 hash:
fde020149ac010200f6b15e55e8733bbf00f4121337a1ed7827d121921f4fcc5
MD5 hash:
4af71e742eb7a310bcc2912c3817e708
SHA1 hash:
dd77a4ef5eafd410d53b56c6f6dc1f2f78024bd6
SH256 hash:
f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a
MD5 hash:
d172f59251b97b415b621d302e1be2b7
SHA1 hash:
b1534e603749c901b5ac185f20e281f6be7fa908
SH256 hash:
27933dab971d59c6643782d5ba06a20be1a4d6de96c1d817d8643a59bff24a63
MD5 hash:
fa464b88b8d056baa452abd50de4d9cc
SHA1 hash:
5e3809c4b465eeb16e61b531ba82fb890cb45d3e
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: | maldoc_getEIP_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| 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 |
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 (HIGH_ENTROPY_VA) | high |
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