MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b48856a716e4d78090c3375b66d87b4916fd3993d1b77ef4f4a95de738a4e62f. 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: | b48856a716e4d78090c3375b66d87b4916fd3993d1b77ef4f4a95de738a4e62f |
|---|---|
| SHA3-384 hash: | dc5f180fefec42152a43604668edd1570ee64e53b1f6b698b3f54bef88ce1fd6ac332f6caa7ce4883fd8bbcb4a053362 |
| SHA1 hash: | 5f0e7ec4c1568770cb550f9faf5d05625a6fe70e |
| MD5 hash: | 25bfce060c9b1ef0b4ccfde296376db1 |
| humanhash: | item-princess-pasta-potato |
| File name: | 25bfce060c9b1ef0b4ccfde296376db1 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'758'528 bytes |
| First seen: | 2022-10-06 04:40:52 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:UnjoFjDNI7clZ7x81dfgl/5XBa8QWtnWZQzjFeM6DJOjB9sTTHyLns1zYwjmFzt4:nIY7xYgN5XolUnYQb6VO8lYwj2sa1vk |
| TLSH | T138856CF490AB04D1E8076DF129787EEB47713DB3CEC40924236DF6449FB79B95A08A4A |
| 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 | ccb2e8ccdcc8f0b2 (1 x RemcosRAT, 1 x Formbook) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
DNS request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Creating a file
Launching the process to change network settings
Searching for synchronization primitives
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
overlay packed vbc.exe
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:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-10-04 13:35:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 41 (60.98%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
fb095834c0ccb8181c425cb6e33215e5f2c9aed1100c7eef07c528433c6aa477
MD5 hash:
aea11acf6faeb042bd5d83d37c7e4774
SHA1 hash:
9cc3b56c34975d182b9016fd46d0b05d36192ae6
SH256 hash:
a6acfe617040a5005be0d1675756dc9f09596d3bb2bb3ebc8a2c6881b8c4cfd7
MD5 hash:
db843358b89f4074346cab346720ab06
SHA1 hash:
94d77a5f2d66f20baf557ad30c3ab284665980d9
SH256 hash:
f98728a9f6424214865c9462ab5b13770ceac13fac8364d20809043efcae3224
MD5 hash:
dc42573f07222fe60dd422162f89b644
SHA1 hash:
1a66758cbf5c6727a91af490ff62a53a2a56ecf2
SH256 hash:
b48856a716e4d78090c3375b66d87b4916fd3993d1b77ef4f4a95de738a4e62f
MD5 hash:
25bfce060c9b1ef0b4ccfde296376db1
SHA1 hash:
5f0e7ec4c1568770cb550f9faf5d05625a6fe70e
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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: | 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
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You need to login to in order to write a comment. Login with your abuse.ch account.url : hxxp://107.175.193.183/85/vbc.exe