MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8b9095e05cd17d2ab722b37fbbab5563a25f1d4980ce0e8ab4d82be196aaff45. 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: 11
| SHA256 hash: | 8b9095e05cd17d2ab722b37fbbab5563a25f1d4980ce0e8ab4d82be196aaff45 |
|---|---|
| SHA3-384 hash: | 095b64a85ed8e20cdb42ac93aa7313a55058610dec784e46645f0c1d2521f77d7deb530294e69f86184dc40c3a6f3eac |
| SHA1 hash: | 28fef40732672993596ee02661ee99d59af9d632 |
| MD5 hash: | 25890958b047d92448d3939d1ff66cf8 |
| humanhash: | purple-magazine-india-cardinal |
| File name: | 25890958b047d92448d3939d1ff66cf8 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 945'152 bytes |
| First seen: | 2022-06-14 16:10:25 UTC |
| Last seen: | 2022-06-14 16:45:23 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 24576:rr9q4A4huxUOKTuqIkx34Qn3/kETvwQzw3R6Y:rr04rhuUnTJyQnFwQd |
| TLSH | T1D415BE5133E48B25F2FF2B35C6714A695AB2B886B476E36D060491DE2D53F80CD42BB3 |
| TrID | 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.0% (.SCR) Windows screen saver (13101/52/3) 8.8% (.EXE) Win64 Executable (generic) (10523/12/4) 5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
25890958b047d92448d3939d1ff66cf8
Verdict:
Suspicious activity
Analysis date:
2022-06-14 18:59:32 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Launching cmd.exe command interpreter
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
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.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Lazy
Status:
Malicious
First seen:
2022-06-14 16:11:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
15 of 26 (57.69%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:mt88 loader persistence rat spyware stealer suricata
Behaviour
Delays execution with timeout.exe
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader Payload
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
8b9095e05cd17d2ab722b37fbbab5563a25f1d4980ce0e8ab4d82be196aaff45
MD5 hash:
25890958b047d92448d3939d1ff66cf8
SHA1 hash:
28fef40732672993596ee02661ee99d59af9d632
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:
0.38
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: | exploit_any_poppopret |
|---|---|
| Author: | Jeff White [karttoon@gmail.com] @noottrak |
| Description: | Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries. |
| Rule name: | malware_Formbook_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.formbook. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.url : hxxp://103.167.92.57/sshsever/vbc.exe