MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a4f0b7a84a51c84c7d78a43964d2238e9c891f104ef69122c8f07dcdc3d7d8ef. 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: 12
| SHA256 hash: | a4f0b7a84a51c84c7d78a43964d2238e9c891f104ef69122c8f07dcdc3d7d8ef |
|---|---|
| SHA3-384 hash: | e324f6c219b0483a3d32f39b576f745043fa97817d99cc38bec7d0d67546c2e6d4748f3295f131aa5aef623335c50de9 |
| SHA1 hash: | a26977b097d688140fa7de35fb2fa91b28eed3b3 |
| MD5 hash: | 42db72cb18843e8ed4a4b2cef96a6fca |
| humanhash: | steak-march-bakerloo-papa |
| File name: | SecuriteInfo.com.Variant.Strictor.271262.13058.1113 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 50'688 bytes |
| First seen: | 2022-07-01 06:44:26 UTC |
| Last seen: | 2022-07-04 10:13:12 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 384:iM0sbiwR0LoV2ejxH5Bk7Ta3f35Dza2P18Dj4XH2vUWORK7r8vWgw54jUAYn4QgM:i/MtqAH5/EeJO4YAYn4Q1sQX |
| TLSH | T17B334230A679CF51D86F3974C863A6F8462BCE21CC018BCF74897E4A79362A4F572653 |
| TrID | 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.4% (.EXE) Win64 Executable (generic) (10523/12/4) 6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.4% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| File icon (PE): |  |
| dhash icon | 450de0e1e5d1619c (3 x Formbook) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
241
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
Queues an APC in another process (thread injection)
Tries to detect virtualization through RDTSC time measurements
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.SpyNoon
Status:
Malicious
First seen:
2022-07-01 04:41:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
16 of 26 (61.54%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
10/10
Tags:
family:formbook family:xloader loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Adds policy Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
a4f0b7a84a51c84c7d78a43964d2238e9c891f104ef69122c8f07dcdc3d7d8ef
MD5 hash:
42db72cb18843e8ed4a4b2cef96a6fca
SHA1 hash:
a26977b097d688140fa7de35fb2fa91b28eed3b3
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
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: | INDICATOR_EXE_Packed_SmartAssembly |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with SmartAssembly |
| Rule name: | pe_imphash |
|---|
| 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.
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