MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 661f40c3448fa2acbddfd8297c54733b9f2d9c71e15506a4fba876a25d279e76. 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


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 661f40c3448fa2acbddfd8297c54733b9f2d9c71e15506a4fba876a25d279e76
SHA3-384 hash: 68d0304872b43abf93f58e491469a0257874a16884af61226bacf8e695c18db8d1b7d7f5a782b400daf52539c131f8a5
SHA1 hash: e24c65bd02d435c6b5705e9a01442e0447b77e22
MD5 hash: f296a60e1568722b060de70b46357fe6
humanhash: enemy-whiskey-floor-beryllium
File name:SC_0017384.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:692'224 bytes
First seen:2023-03-21 08:08:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:xTyShIKgMyx0SA4sZm4hGFJ4eCPBh+C3:xxhI+zSAdI2GFJ4Xz
TLSH T1BFE429707BF89717C5BF6B72E0B9B25847B4D466A216E78B844D52F10CD2340AC1A3AF
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 125ad212e9cd3682 (40 x AgentTesla, 21 x Loki, 19 x Heodo)
Reporter 0xToxin
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
236
Origin country :
IL IL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SC_0017384.exe
Verdict:
Malicious activity
Analysis date:
2023-03-21 08:12:06 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/62d7cf02-1151-4472-9ca0-dc752389d8a2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/376126/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64196621c60b3295f52c498b/reports/65c21bed-d7b5-4f6b-a416-8b77a4526a0c/overview
Verdict:
Suspicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/661f40c3448fa2acbddfd8297c54733b9f2d9c71e15506a4fba876a25d279e76
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
Link:
https://analyze.intezer.com/analyses/d11abc7b-cc7d-4176-8835-0f497e0e4340
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1198299
Signature
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 831200 Sample: SC_0017384.exe Startdate: 21/03/2023 Architecture: WINDOWS Score: 100 53 www.funhood.life 2->53 77 Snort IDS alert for network traffic 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 Multi AV Scanner detection for submitted file 2->81 83 3 other signatures 2->83 11 SC_0017384.exe 16 7 2->11         started        signatures3 process4 dnsIp5 61 a.uguu.se 188.40.83.211, 443, 49698, 49700 HETZNER-ASDE Germany 11->61 47 C:\Users\user\AppData\...\Lvdnyvcvr.exe, PE32 11->47 dropped 49 C:\Users\...\Lvdnyvcvr.exe:Zone.Identifier, ASCII 11->49 dropped 51 C:\Users\user\AppData\...\SC_0017384.exe.log, ASCII 11->51 dropped 103 Encrypted powershell cmdline option found 11->103 105 Injects a PE file into a foreign processes 11->105 16 SC_0017384.exe 11->16         started        19 powershell.exe 16 11->19         started        file6 signatures7 process8 signatures9 69 Modifies the context of a thread in another process (thread injection) 16->69 71 Maps a DLL or memory area into another process 16->71 73 Sample uses process hollowing technique 16->73 75 Queues an APC in another process (thread injection) 16->75 21 explorer.exe 6 5 16->21 injected 25 conhost.exe 19->25         started        process10 dnsIp11 55 www.emprendizajesocial.com 217.160.0.229, 49703, 49704, 80 ONEANDONE-ASBrauerstrasse48DE Germany 21->55 57 www.findmyoriginstory.com 74.208.236.131, 49702, 80 ONEANDONE-ASBrauerstrasse48DE United States 21->57 59 5 other IPs or domains 21->59 85 System process connects to network (likely due to code injection or exploit) 21->85 27 Lvdnyvcvr.exe 14 4 21->27         started        31 systray.exe 13 21->31         started        33 Lvdnyvcvr.exe 21->33         started        signatures12 process13 dnsIp14 63 a.uguu.se 27->63 87 Multi AV Scanner detection for dropped file 27->87 89 Machine Learning detection for dropped file 27->89 91 Encrypted powershell cmdline option found 27->91 35 powershell.exe 27->35         started        37 Lvdnyvcvr.exe 27->37         started        93 Tries to steal Mail credentials (via file / registry access) 31->93 95 Tries to harvest and steal browser information (history, passwords, etc) 31->95 97 Modifies the context of a thread in another process (thread injection) 31->97 99 Maps a DLL or memory area into another process 31->99 65 192.168.2.1 unknown unknown 33->65 67 a.uguu.se 33->67 101 Injects a PE file into a foreign processes 33->101 39 powershell.exe 33->39         started        41 Lvdnyvcvr.exe 33->41         started        signatures15 process16 process17 43 conhost.exe 35->43         started        45 conhost.exe 39->45         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/661f40c3448fa2acbddfd8297c54733b9f2d9c71e15506a4fba876a25d279e76/
Threat name:
Win32.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2023-03-21 08:09:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mypubq2er6rkzpo73auxyvdthops3hdr4fkqnjh3vb3kexjhtz3a._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/230321-j15njsbc7v/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Unpacked files
SH256 hash:
661f40c3448fa2acbddfd8297c54733b9f2d9c71e15506a4fba876a25d279e76
MD5 hash:
f296a60e1568722b060de70b46357fe6
SHA1 hash:
e24c65bd02d435c6b5705e9a01442e0447b77e22
Link:
https://www.unpac.me/results/54a6c120-dc45-4585-bf10-5e42e40e884e/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/661f40c3448f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/661f40c3448fa2acbddfd8297c54733b9f2d9c71e15506a4fba876a25d279e76

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/376126/

Comments