MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 188ffa0666a74b6ea59802778f06667551b442642dd1eb33cdacc9fbeb7b4120. 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: 10
| SHA256 hash: | 188ffa0666a74b6ea59802778f06667551b442642dd1eb33cdacc9fbeb7b4120 |
|---|---|
| SHA3-384 hash: | 80574502a92dc0fee8f7687c3d830bb30ce02797c705455d54da8f4cb1612eeb19c3f0e80c164bd0f0e68fd1dc581d39 |
| SHA1 hash: | 62941976a61826f51149dccb9354d8df72a235a3 |
| MD5 hash: | 5f69fa676168364367f8b1ff9f8c87ef |
| humanhash: | mobile-spring-uniform-ohio |
| File name: | 5f69fa676168364367f8b1ff9f8c87ef |
| Download: | download sample |
| Signature | Formbook |
| File size: | 668'720 bytes |
| First seen: | 2022-04-01 14:40:29 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 12288:5IH8Ub56F1HURPr45tNIVgbokwQgGZSmXh50IOSwMD8F+VSC5lAcfc:Gk5o27e |
| Threatray | 14'510 similar samples on MalwareBazaar |
| TLSH | T170E4AB2A38BA100DB272AD6C6BBCB175911EF3F226365CBB0DF7054611129F0DB9D627 |
| Reporter |  zbetcheckin |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
aspnet_compiler.exe control.exe obfuscated overlay packed replace.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 strings
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Svchost Process
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-03-31 20:55:27 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
6
AV detection:
15 of 26 (57.69%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 14'500 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:foi3 loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
188ffa0666a74b6ea59802778f06667551b442642dd1eb33cdacc9fbeb7b4120
MD5 hash:
5f69fa676168364367f8b1ff9f8c87ef
SHA1 hash:
62941976a61826f51149dccb9354d8df72a235a3
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: | INDICATOR_KB_CERT_65628c146ace93037fc58659f14bd35f |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables signed with stolen, revoked or invalid certificates |
| Rule name: | malware_Formbook_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| 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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