MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 7e8b6d0fcec268296d1179fae35ac13072f89d1fb86b708292dbaca5cd2904f3. 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: 14
| SHA256 hash: | 7e8b6d0fcec268296d1179fae35ac13072f89d1fb86b708292dbaca5cd2904f3 |
|---|---|
| SHA3-384 hash: | 737f8f3e24ffbc16a28cd7a6ac9c0aae2e844527f6e2133606d81079c94e5052b2e887e06d17980d5fb23e0e9c608d0f |
| SHA1 hash: | 1a545312e2c671a667f26b7a0cf23e9759dfa8af |
| MD5 hash: | ca0598e1d55a64bc0c7135d8e5793254 |
| humanhash: | ten-quiet-cold-georgia |
| File name: | ca0598e1d55a64bc0c7135d8e5793254.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'860'608 bytes |
| First seen: | 2022-03-15 14:32:37 UTC |
| Last seen: | 2022-04-20 10:24:37 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger) |
| ssdeep | 24576:EWIj4ROxbr4NHtX1J2IecPihkNbYt9NTwf3HxAJwT8Xi2lAAarjVrYK6Q1kv+i3M:Fa4wxqtkOpUooieA/9R6/2prjvL |
| TLSH | T17D85AF255FF88E4BE9FE1B35A0F30E3846F1E48B97AAB67D18058590689B3D174017B3 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ca0598e1d55a64bc0c7135d8e5793254.exe
Verdict:
Suspicious activity
Analysis date:
2022-03-16 05:36:42 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
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:
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
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
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
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:
Detection:
xloader
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-03-15 16:28:25 UTC
AV detection:
20 of 27 (74.07%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:c6bi 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:
7e8b6d0fcec268296d1179fae35ac13072f89d1fb86b708292dbaca5cd2904f3
MD5 hash:
ca0598e1d55a64bc0c7135d8e5793254
SHA1 hash:
1a545312e2c671a667f26b7a0cf23e9759dfa8af
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: | 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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