MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6315e1251d93f8f76fe9ddb83881f4d68ad76e878979a58df3a90bb405714357. 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 3 File information Comments
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SHA256 hash: 6315e1251d93f8f76fe9ddb83881f4d68ad76e878979a58df3a90bb405714357
SHA3-384 hash: a2e22db44262a9e69a44016f316746dfe701436027ae8dcd7ba572c13fd3b55580db664e39821105af5f98144e30406e
SHA1 hash: 37819f3e637c567de7acc87cba4e7f04793a36ae
MD5 hash: b5fc87c83d6743709714ac9ecebda5ce
humanhash: diet-leopard-juliet-maryland
File name:SecuriteInfo.com.Win32.CrypterX-gen.16180.13371
Download: download sample
Signature Formbook
Create hunting rule
File size:282'112 bytes
First seen:2022-11-22 12:55:16 UTC
Last seen:2022-11-28 08:41:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:jFTb/SLcCsiLbHWJMimDg+D9JX70znqCXyKGowo8Xdhp/kT:RfI6u6JbY9JX70ThXjAoMqT
Threatray 254 similar samples on MalwareBazaar
TLSH T16E54128E3508728DC491D035C9B97D06785E3AA2C31BC55FBC17042EA1AFB6D6E319F2
TrID 28.5% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 30b2c4c8c8c4b030 (53 x Formbook, 41 x RemcosRAT, 20 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
344
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
product spec.js
Verdict:
Malicious activity
Analysis date:
2022-11-22 09:39:53 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/3e109a6b-b47f-4ede-83fa-1e7c127d2dfc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/337218/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.16180.13371.UNOFFICIAL
Create hunting rule

PUA.Win.Packed.ConfuserEx-6391397-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Launching the process to change network settings
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637cc6ee903ba0eaf36d0214/reports/8a5ef7f9-8837-4b70-972c-28e88a8ced5e/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/778aab2a-bcb5-454d-9d34-d2498d02ca36
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1118908
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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 submitted file
PE file contains section with special chars
PE file has nameless sections
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)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 751620 Sample: SecuriteInfo.com.Win32.Cryp... Startdate: 22/11/2022 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 6 other signatures 2->38 8 SecuriteInfo.com.Win32.CrypterX-gen.16180.13371.exe 1 2->8         started        process3 file4 22 SecuriteInfo.com.W...16180.13371.exe.log, CSV 8->22 dropped 48 Writes to foreign memory regions 8->48 50 Allocates memory in foreign processes 8->50 52 Injects a PE file into a foreign processes 8->52 12 RegSvcs.exe 8->12         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 12->54 56 Maps a DLL or memory area into another process 12->56 58 Sample uses process hollowing technique 12->58 60 Queues an APC in another process (thread injection) 12->60 15 explorer.exe 12->15 injected process8 dnsIp9 24 www.hnsmhbkj.com 154.208.150.147, 49723, 49724, 49725 SKHT-ASShenzhenKatherineHengTechnologyInformationCo Seychelles 15->24 26 www.snzbx.com 23.82.252.195, 49729, 49730, 49731 LEASEWEB-USA-LAX-11US United States 15->26 28 3 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 19 wscript.exe 13 15->19         started        signatures10 process11 signatures12 40 Tries to steal Mail credentials (via file / registry access) 19->40 42 Tries to harvest and steal browser information (history, passwords, etc) 19->42 44 Modifies the context of a thread in another process (thread injection) 19->44 46 Maps a DLL or memory area into another process 19->46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6315e1251d93f8f76fe9ddb83881f4d68ad76e878979a58df3a90bb405714357/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-11-22 00:04:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
30 of 40 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mmk6cji5sp4po37j3w4drapu22fno3uhrf42ldptvef3iblrinlq._file
Verdict:
malicious
Similar samples:
1f3edb430ef26e7987d8b073a0314ee9632bc2d57767083eafeddf9209ade01d
Formbook
330a2e6dcb89bc9d54e8535dc95b1bbea5cddfedcb148f62e2214b46911a9f91
Formbook
3a61280726d90b185f70884c4f7ff84af52be06f7fa2ceebf16065e8aee4feb6
Formbook
3d20a0367451fd840a120186bd5ff7db7ba12221741964dd8cd15322e7c05760
Formbook
435d0e10242410c1f8513df632eac9966534480a2a211fdc2914ad9181b87007
Formbook
b3a4fc59536593e4170dd23622983b34be695387fa853eca0532edf8863166f6
Formbook
b8445a1f01f0a7175eb9c8521b92223f989b844de32e852102c3fe5824c48097
Formbook
cb526159a3186694b746856ab53ea28e2f847a1623f5caf8cfe73021bc1a9196
Formbook
+ 244 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:tpd2 loader rat spyware stealer trojan
Link:
https://tria.ge/reports/221122-p6cslsgg7v/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Formbook
Xloader
Unpacked files
SH256 hash:
08dc131daa003bfef9743c47cc6707bdcfbf880795eb9f7f26f51b389e357afd
MD5 hash:
014cc98f0e3e039ec235d577ec2d459f
SHA1 hash:
dd5b12b49e99986a680d7cfa2b3b79714f03f68e
Link:
https://www.unpac.me/results/082c5e8d-761c-457a-b6ff-5581a91e6ee0/
SH256 hash:
be2d09c9cf576ed228d13ffe498e2be05b7b6989e7b86e932d8b82f40a85e056
MD5 hash:
35bad8fa189f3eed5ce0b7035522bf3d
SHA1 hash:
9abec95a9d55243a646ed44791d1f0808c4f8dd0
Link:
https://www.unpac.me/results/082c5e8d-761c-457a-b6ff-5581a91e6ee0/
SH256 hash:
6315e1251d93f8f76fe9ddb83881f4d68ad76e878979a58df3a90bb405714357
MD5 hash:
b5fc87c83d6743709714ac9ecebda5ce
SHA1 hash:
37819f3e637c567de7acc87cba4e7f04793a36ae
Link:
https://www.unpac.me/results/082c5e8d-761c-457a-b6ff-5581a91e6ee0/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6315e1251d93/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/6315e1251d93f8f76fe9ddb83881f4d68ad76e878979a58df3a90bb405714357

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_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
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.

Web download

Formbook

Executable exe 6315e1251d93f8f76fe9ddb83881f4d68ad76e878979a58df3a90bb405714357

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2429614/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/337218/

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