MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8b8bee88b7710355de7deb5042ecfd4270cffc3d84af43de1efc648fb2e6af34. 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: | 8b8bee88b7710355de7deb5042ecfd4270cffc3d84af43de1efc648fb2e6af34 |
|---|---|
| SHA3-384 hash: | 76e3abaddd35b551d5ff2ad9b99a364e795a2e529b03ebc23d2188a8d138d1dd6aa2168ee391cfb76b47cdd756ea4e22 |
| SHA1 hash: | 6a1e6b2df421ce04e4d3cf1d3b6ef3120103a315 |
| MD5 hash: | 719b8e16e76e1182e163aed7ab5ee0ab |
| humanhash: | winner-arkansas-six-single |
| File name: | 719b8e16e76e1182e163aed7ab5ee0ab.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'704'960 bytes |
| First seen: | 2022-04-08 09:50:50 UTC |
| Last seen: | 2022-04-08 11:10:58 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:/wc2eaYcyj6ibQfYJQyurCWm2cC7znf1mRcmQ14mDXr4OL/:/PVeu6ffYZuTtmRcfbrv/ |
| Threatray | 14'603 similar samples on MalwareBazaar |
| TLSH | T12D858D5137DC9D96E7FE1371E5B439C947FDA652AF86EE2C7408A1E808733C18A26213 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CR2917.zip
Verdict:
Malicious activity
Analysis date:
2022-04-08 08:59:43 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader
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
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Result
Verdict:
UNKNOWN
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 detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
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.Packed.Generic
Status:
Suspicious
First seen:
2022-04-08 09:51:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
8 of 42 (19.05%)
Threat level:
1/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 14'593 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:arri loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
8b8bee88b7710355de7deb5042ecfd4270cffc3d84af43de1efc648fb2e6af34
MD5 hash:
719b8e16e76e1182e163aed7ab5ee0ab
SHA1 hash:
6a1e6b2df421ce04e4d3cf1d3b6ef3120103a315
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
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: | BlackGuard_Rule |
|---|---|
| Author: | Jiho Kim |
| Description: | Yara rule for BlackGuarad Stealer v1.0 - v3.0 |
| Reference: | https://www.virustotal.com/gui/file/67843d45ba538eca29c63c3259d697f7e2ba84a3da941295b9207cdb01c85b71/detection |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing bas64 encoded gzip files |
| 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.
Web download
Delivery method
Distributed via web download
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