MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5eb1a18db0df2e76ba5dd1a7181988ea26e386d0066b011563af9972719c1ebb. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5eb1a18db0df2e76ba5dd1a7181988ea26e386d0066b011563af9972719c1ebb
SHA3-384 hash: 011da213d5821c5275a0c31c6b00dd08dace233ca98ed193f06386ee176f7a381eb84dc061ea5d0b6c08a122832ad045
SHA1 hash: a9b9a9a9f8154ccd5f439dcc6064de183f8a07d9
MD5 hash: 934bab4f1ca866a3aa37d9d766f1d670
humanhash: white-west-vegan-kansas
File name:SecuriteInfo.com.Variant.Strictor.265580.18083.18933
Download: download sample
Signature Formbook
Create hunting rule
File size:307'200 bytes
First seen:2022-08-29 10:58:08 UTC
Last seen:2022-08-30 13:38:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 3072:tgT4gtei54ZDvCW6NxVMZMlLSFrTw3rFOnJTBZjAKwn7G+k7fZfteE0cav1+tNVL:ST4gt0OleTw3rFmVFkuQ1cadW+
TLSH T1C0640651FBF4861AF2AF57BAE83141104BB8F956F47EE74E288950ED0D23B0099513BB
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 69d4b26868b2cc71 (23 x Formbook, 6 x SnakeKeylogger, 2 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
317
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
ProductXSpecification.doc
Verdict:
Malicious activity
Analysis date:
2022-08-29 07:20:14 UTC
Tags:
exploit CVE-2017-11882 opendir loader formbook trojan stealer
Link:
https://app.any.run/tasks/6bdbd659-00e5-46a7-8fff-fb154cf978ff

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/302203/
Detection(s):
SecuriteInfo.com.Variant.Strictor.265580.18083.18933.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Setting browser functions hooks
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/630c9c603e9e50b1bae81f41/reports/f9d15e9a-7f48-4bd3-bbfe-b42a31ebc148/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/c1d9e5f1-d69c-4a0e-869a-da5827d8e074
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1059786
Signature
.NET source code contains potential unpacker
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
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 692303 Sample: SecuriteInfo.com.Variant.St... Startdate: 29/08/2022 Architecture: WINDOWS Score: 100 45 www.khavari-co.com 2->45 65 Snort IDS alert for network traffic 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Antivirus detection for URL or domain 2->69 71 6 other signatures 2->71 11 SecuriteInfo.com.Variant.Strictor.265580.18083.18933.exe 15 5 2->11         started        signatures3 process4 dnsIp5 53 37.139.129.142, 49758, 49776, 80 LVLT-10753US Germany 11->53 55 192.168.2.1 unknown unknown 11->55 43 SecuriteInfo.com.V...18083.18933.exe.log, ASCII 11->43 dropped 91 Writes to foreign memory regions 11->91 93 Allocates memory in foreign processes 11->93 95 Injects a PE file into a foreign processes 11->95 16 RegAsm.exe 11->16         started        file6 signatures7 process8 signatures9 57 Modifies the context of a thread in another process (thread injection) 16->57 59 Maps a DLL or memory area into another process 16->59 61 Sample uses process hollowing technique 16->61 63 2 other signatures 16->63 19 explorer.exe 16->19 injected process10 dnsIp11 47 www.crptromana.info 104.21.45.53, 49781, 80 CLOUDFLARENETUS United States 19->47 49 www.thegoonstate.com 19->49 51 7 other IPs or domains 19->51 73 System process connects to network (likely due to code injection or exploit) 19->73 75 Suspicious powershell command line found 19->75 23 powershell.exe 17 19->23         started        26 chkdsk.exe 19->26         started        28 svchost.exe 19->28         started        signatures12 process13 signatures14 83 Suspicious powershell command line found 23->83 30 SecuriteInfo.com.Variant.Strictor.265580.18083.18933.exe 3 23->30         started        32 powershell.exe 15 23->32         started        34 conhost.exe 1 23->34         started        85 Modifies the context of a thread in another process (thread injection) 26->85 87 Maps a DLL or memory area into another process 26->87 89 Tries to detect virtualization through RDTSC time measurements 26->89 36 cmd.exe 26->36         started        process15 process16 38 RegAsm.exe 30->38         started        41 conhost.exe 36->41         started        signatures17 77 Modifies the context of a thread in another process (thread injection) 38->77 79 Maps a DLL or memory area into another process 38->79 81 Sample uses process hollowing technique 38->81
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5eb1a18db0df2e76ba5dd1a7181988ea26e386d0066b011563af9972719c1ebb/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-08-29 02:48:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l2y2ddnq34xhnos52gtrqgmi5itohbwqazvqcfldv6mxe4m4d25q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:fs93 rat spyware stealer trojan
Link:
https://tria.ge/reports/220829-m3dvdsgbcq/
Behaviour
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
Drops startup file
Downloads MZ/PE file
Formbook payload
Formbook
Unpacked files
SH256 hash:
5eb1a18db0df2e76ba5dd1a7181988ea26e386d0066b011563af9972719c1ebb
MD5 hash:
934bab4f1ca866a3aa37d9d766f1d670
SHA1 hash:
a9b9a9a9f8154ccd5f439dcc6064de183f8a07d9
Link:
https://www.unpac.me/results/bf3e2138-e02f-48cb-95ec-e5e2c2e1d8bd/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/5eb1a18db0df2e76ba5dd1a7181988ea26e386d0066b011563af9972719c1ebb

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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 5eb1a18db0df2e76ba5dd1a7181988ea26e386d0066b011563af9972719c1ebb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2283205/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/302203/

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