MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4504cf6857483bd7ae6874544d602ac9413a1929bb6d1fb0eef07360f572af6f. 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: 17
| SHA256 hash: | 4504cf6857483bd7ae6874544d602ac9413a1929bb6d1fb0eef07360f572af6f |
|---|---|
| SHA3-384 hash: | be333d11cf7d803aa976972e9ea27b72672f6d89bc569cce5125f05ecb1653e4cf9e77802301a0fccd6112d438e0d3df |
| SHA1 hash: | da5b364a8823c4ca161ed26e5605c72bd87ab28b |
| MD5 hash: | 5c5afe64e80a7acd88709330fc58a20d |
| humanhash: | beryllium-cola-delta-florida |
| File name: | 5c5afe64e80a7acd88709330fc58a20d.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 792'064 bytes |
| First seen: | 2022-03-22 18:48:34 UTC |
| Last seen: | 2022-03-22 20:44:34 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:DcrVOv0iMxBKde1tzHfhr1znaaC0zj9GbH:DKW0xxBK0/644 |
| Threatray | 14'415 similar samples on MalwareBazaar |
| TLSH | T1CEF48C63AEA3C106DF572FFE5C60AE856B5197852A13DCB47826B734DF632382F09160 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
1BC8F9EE46DE05585D7431C1D52FE026A4103B4F
Verdict:
Malicious activity
Analysis date:
2022-03-22 21:29:45 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Launching a process
Sending a custom TCP request
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
cmd.exe 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.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Behaviour
Behavior Graph:
n/a
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-22 18:49:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 26 (76.92%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 14'405 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:rzwo evasion loader rat suricata
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Windows directory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
SH256 hash:
f8bc73346bae977cca21e5cd6e1bf1afdb01b0c3640002b6a87f211603fdc54d
MD5 hash:
ca5255bfc36c598eaa0793709a0ae64c
SHA1 hash:
2f520c947727ee4388efb8d1121d39db439d7b4b
SH256 hash:
a2140980e5e2c3112755b01fdd58bd231da7c9f82f16163a1c6df0a97cdc7831
MD5 hash:
f64350592dccfd010f844a6a300d4aa7
SHA1 hash:
c0960350fe169ea250fd9c72a2021c80d5f78a72
SH256 hash:
9ce6c33c507f84ee549fa3a64fc23f9e4b882637c210b19d1828ce1a7058b871
MD5 hash:
e3306f5ccf052c0f0f2d54bd7573fb8e
SHA1 hash:
ca8fb9682b25524557a778b40fe7a0c676414259
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
4504cf6857483bd7ae6874544d602ac9413a1929bb6d1fb0eef07360f572af6f
MD5 hash:
5c5afe64e80a7acd88709330fc58a20d
SHA1 hash:
da5b364a8823c4ca161ed26e5605c72bd87ab28b
Malware family:
XLoader
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: | malware_Formbook_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| 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
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