MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c57771cda82415d8e0f6492203eff52a3fb36ea966fad9fc4e7fb4d0de7e378. 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: 16


Intelligence 16 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6c57771cda82415d8e0f6492203eff52a3fb36ea966fad9fc4e7fb4d0de7e378
SHA3-384 hash: 60b949f49845c0286d1ecab2f8626187b51eeffb4bc56c9209f3c66ec6abb8b77ed0239cfa0c2be5c312d0b77906987a
SHA1 hash: 2b4f60d5f23f1affbf7187550fcb00476b89876e
MD5 hash: a1737d3fdf5e332072180df23d2a548e
humanhash: berlin-shade-freddie-two
File name:6c57771cda82415d8e0f6492203eff52a3fb36ea966fad9fc4e7fb4d0de7e378
Download: download sample
Signature Formbook
Create hunting rule
File size:185'856 bytes
First seen:2024-04-08 07:50:07 UTC
Last seen:2024-04-15 13:18:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:qWfqxEcElcY/7Bc3Uh5ztebFk2e7yM7895LvPvn2X/dXLuFUF1kY/B0:vWExlSUrcbFk2e783jP+XlX51kqB
TLSH T12D04AF32D641C071F2B242B5B6BD1B7B893E0E343255A0EAA3E215E02EA45E5F17D71F
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
286
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6c57771cda82415d8e0f6492203eff52a3fb36ea966fad9fc4e7fb4d0de7e378.exe
Verdict:
No threats detected
Analysis date:
2024-04-08 08:12:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/77c476f8-21c2-4794-af8e-ee31161b5724

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

Behaviour
Searching for the window
Launching a process
Moving a file to the Program Files subdirectory
Replacing files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/6613a1e935699b4745c0f217/reports/c5c51676-1549-4eab-94b7-cb9d216fdad7/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/6c57771cda82415d8e0f6492203eff52a3fb36ea966fad9fc4e7fb4d0de7e378
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/1c4c40f2-00f3-4381-9cee-e93a4cd0c54b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1422073
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1422073 Sample: ZNGMn9IDJX.exe Startdate: 08/04/2024 Architecture: WINDOWS Score: 100 25 www.wdfa.xyz 2->25 27 yeondagoods.com 2->27 29 14 other IPs or domains 2->29 43 Snort IDS alert for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 51 6 other signatures 2->51 10 ZNGMn9IDJX.exe 2->10         started        signatures3 49 Performs DNS queries to domains with low reputation 25->49 process4 signatures5 53 Modifies the context of a thread in another process (thread injection) 10->53 55 Maps a DLL or memory area into another process 10->55 57 Sample uses process hollowing technique 10->57 59 2 other signatures 10->59 13 explorer.exe 91 7 10->13 injected process6 dnsIp7 31 mpower-recruitment.com 89.42.218.12, 49711, 80 ROMARGRO Romania 13->31 33 yeondagoods.com 14.128.152.75, 49710, 80 KIXS-AS-KRKoreaTelecomKR Korea Republic of 13->33 35 3 other IPs or domains 13->35 16 colorcpl.exe 13->16         started        19 autochk.exe 13->19         started        process8 signatures9 37 Modifies the context of a thread in another process (thread injection) 16->37 39 Maps a DLL or memory area into another process 16->39 41 Tries to detect virtualization through RDTSC time measurements 16->41 21 cmd.exe 1 16->21         started        process10 process11 23 conhost.exe 21->23         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6c57771cda82415d8e0f6492203eff52a3fb36ea966fad9fc4e7fb4d0de7e378
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6c57771cda82415d8e0f6492203eff52a3fb36ea966fad9fc4e7fb4d0de7e378/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-04-08 07:51:08 UTC
File Type:
PE (Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nrlxohg2qjav3dqpmsjcapx7kkr7wnxkszx23h6e475u2dph4n4a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:fs83 rat
Link:
https://tria.ge/reports/240408-jptf5scc49/
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
6c57771cda82415d8e0f6492203eff52a3fb36ea966fad9fc4e7fb4d0de7e378
MD5 hash:
a1737d3fdf5e332072180df23d2a548e
SHA1 hash:
2b4f60d5f23f1affbf7187550fcb00476b89876e
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/7d239ede-36b7-4196-860f-8ec16c3feae2/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6c57771cda82/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/6c57771cda82415d8e0f6492203eff52a3fb36ea966fad9fc4e7fb4d0de7e378

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:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

Executable exe 6c57771cda82415d8e0f6492203eff52a3fb36ea966fad9fc4e7fb4d0de7e378

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments