MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 508cb22224be3ffe5f189767b150490b717fdfbbdea4ea41c3a1add4ecfe7730. 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


Intelligence 14 IOCs YARA 2 File information Comments 1

SHA256 hash: 508cb22224be3ffe5f189767b150490b717fdfbbdea4ea41c3a1add4ecfe7730
SHA3-384 hash: c1a384bbb630c9ed621bd3f0c364467d1d02962f60da20fcfbfa0f26d03af4de7428143d4a879f5316ad6c5e936f16fa
SHA1 hash: 16934d7dbc4ad5f583f3721e180c0669a57c5c84
MD5 hash: 47811f527386f1024081701f3812deb7
humanhash: blossom-berlin-robin-foxtrot
File name:47811f527386f1024081701f3812deb7
Download: download sample
Signature Formbook
File size:532'480 bytes
First seen:2022-05-12 08:06:36 UTC
Last seen:2022-05-12 08:57:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:iJmoQFYZ5LDGxEPLLQlLgAMcke6IfePu70se:igoiYfaILQMAMPeffePuH
Threatray 12'756 similar samples on MalwareBazaar
TLSH T14CB422141255536BD9BD4BB4ED2285CC7BB5AF2A8D32DF2F5CE530ED08B4B88025236B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
364
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
https://212.193.30.214/600/vbc.exe
Verdict:
Malicious activity
Analysis date:
2022-05-12 12:08:06 UTC
Tags:
formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
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
Self deletion via cmd delete
Snort IDS alert for network traffic
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 624995 Sample: czZGt8RvKx Startdate: 12/05/2022 Architecture: WINDOWS Score: 100 46 www.stpaulsschoolbagidora.com 2->46 52 Snort IDS alert for network traffic 2->52 54 Multi AV Scanner detection for domain / URL 2->54 56 Found malware configuration 2->56 58 12 other signatures 2->58 11 czZGt8RvKx.exe 7 2->11         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\QuPVQiTftBFHdL.exe, PE32 11->38 dropped 40 C:\...\QuPVQiTftBFHdL.exe:Zone.Identifier, ASCII 11->40 dropped 42 C:\Users\user\AppData\Local\...\tmpD777.tmp, XML 11->42 dropped 44 C:\Users\user\AppData\...\czZGt8RvKx.exe.log, ASCII 11->44 dropped 62 Uses schtasks.exe or at.exe to add and modify task schedules 11->62 64 Adds a directory exclusion to Windows Defender 11->64 66 Tries to detect virtualization through RDTSC time measurements 11->66 68 Injects a PE file into a foreign processes 11->68 15 czZGt8RvKx.exe 11->15         started        18 powershell.exe 25 11->18         started        21 schtasks.exe 1 11->21         started        signatures6 process7 dnsIp8 70 Modifies the context of a thread in another process (thread injection) 15->70 72 Maps a DLL or memory area into another process 15->72 74 Sample uses process hollowing technique 15->74 76 Queues an APC in another process (thread injection) 15->76 23 explorer.exe 15->23 injected 48 192.168.2.1 unknown unknown 18->48 27 conhost.exe 18->27         started        29 conhost.exe 21->29         started        signatures9 process10 dnsIp11 50 www.nottryingdoing.com 75.2.115.196, 49771, 80 AMAZON-02US United States 23->50 60 System process connects to network (likely due to code injection or exploit) 23->60 31 wlanext.exe 23->31         started        signatures12 process13 signatures14 78 Self deletion via cmd delete 31->78 80 Modifies the context of a thread in another process (thread injection) 31->80 82 Maps a DLL or memory area into another process 31->82 84 Tries to detect virtualization through RDTSC time measurements 31->84 34 cmd.exe 1 31->34         started        process15 process16 36 conhost.exe 34->36         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-05-12 03:17:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:r87g loader rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
Unpacked files
SH256 hash:
0ceb3d95a561a8254042f89e8bae89d28ac39e181c73d98c1d34a3241308f027
MD5 hash:
5b22ef873e606a818bfeeb87156aafd3
SHA1 hash:
1446c6715647e824b9ca4f2adc2a9b34b8cb7e7b
SH256 hash:
60ba01dcf61c8c151e8b057646eccc8dd5b61d7fabb590d37a8ea50c8021b0d4
MD5 hash:
9e1d6928f209269adfd313d984e10708
SHA1 hash:
25a0966196458864daac9cc869f8110a9db63610
SH256 hash:
c206122a7336385be557580c114ac0923192f61bc8f77aa58c898135438399f9
MD5 hash:
6c9e813248a01432890c476813d210b8
SHA1 hash:
fd54aa3af58fc3a88cb3fd6753d773cd6c51b7f8
SH256 hash:
508cb22224be3ffe5f189767b150490b717fdfbbdea4ea41c3a1add4ecfe7730
MD5 hash:
47811f527386f1024081701f3812deb7
SHA1 hash:
16934d7dbc4ad5f583f3721e180c0669a57c5c84
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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

Formbook

Executable exe 508cb22224be3ffe5f189767b150490b717fdfbbdea4ea41c3a1add4ecfe7730

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-05-12 08:06:38 UTC

url : hxxp://212.193.30.214/500/vbc.exe