MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a815a1a9b543193df99c1dbe141520d7f85fce96016c40490eedfc7c13b15f4. 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: 9


Intelligence 9 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9a815a1a9b543193df99c1dbe141520d7f85fce96016c40490eedfc7c13b15f4
SHA3-384 hash: fd83ff0ba1bee0db239f8d3e1fefee37daccab9402bdbddf782b5cf15bccbd6ca51473e0d646032e996a6c554942e99e
SHA1 hash: 31fc863f634a9c5a89f39db2e30870cf96b5dae8
MD5 hash: bf6ea449feb7d6761e442ce5bc37f0ae
humanhash: early-oklahoma-happy-louisiana
File name:blessed.ps1
Download: download sample
Signature Formbook
Create hunting rule
File size:451'364 bytes
First seen:2025-01-30 12:37:46 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 12288:SGsifwlYiC+17EITSqvDJOUKHkJud/OeZRJeP+F:CHYiB1o0RJl+WeZWP+F
Threatray 3 similar samples on MalwareBazaar
TLSH T1E9A4E0328908B82FCEEF0F8375642FD77D78157BDE249454A48F16B84E68628593BF60
Magika powershell
Reporter TeamDreier
Tags:FormBook ps1

Intelligence

File Origin
# of uploads :
1
# of downloads :
126
Origin country :
DK DK
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PUA.Base64EXE-2.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=679b73ae29ae628cf42b9e41
Tags:
packed spawn virus
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
confuserex dropper obfuscated obfuscated packed packed
Link:
https://www.filescan.io/uploads/679b72b0414c56eb9502b7fd/reports/b615e653-f33b-4de2-acb6-6d1769d11569/overview
Verdict:
Malicious
Labled as:
PowerShell/TrojanDropper.Agent
Link:
https://www.hybrid-analysis.com/sample/9a815a1a9b543193df99c1dbe141520d7f85fce96016c40490eedfc7c13b15f4
Result
Verdict:
MALICIOUS
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1603023
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Machine Learning detection for dropped file
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)
PE file contains section with special chars
PE file has nameless sections
Performs DNS queries to domains with low reputation
Powershell drops PE file
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
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 dnsIp2 2 Behavior Graph ID: 1603023 Sample: blessed.ps1 Startdate: 30/01/2025 Architecture: WINDOWS Score: 100 37 www.sagaswap.xyz 2->37 39 www.apptj7.xyz 2->39 41 17 other IPs or domains 2->41 49 Suricata IDS alerts for network traffic 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 57 4 other signatures 2->57 11 powershell.exe 16 2->11         started        signatures3 55 Performs DNS queries to domains with low reputation 39->55 process4 file5 35 C:\Users\user\AppData\Local\Temp\x.exe, PE32 11->35 dropped 71 Found suspicious powershell code related to unpacking or dynamic code loading 11->71 73 Powershell drops PE file 11->73 15 x.exe 3 11->15         started        18 conhost.exe 11->18         started        signatures6 process7 signatures8 77 Antivirus detection for dropped file 15->77 79 Machine Learning detection for dropped file 15->79 81 Writes to foreign memory regions 15->81 83 2 other signatures 15->83 20 CasPol.exe 15->20         started        process9 signatures10 59 Maps a DLL or memory area into another process 20->59 23 9ZJRIbH5SlwR3ySPCS.exe 20->23 injected process11 signatures12 61 Found direct / indirect Syscall (likely to bypass EDR) 23->61 26 wiaacmgr.exe 13 23->26         started        process13 signatures14 63 Tries to steal Mail credentials (via file / registry access) 26->63 65 Tries to harvest and steal browser information (history, passwords, etc) 26->65 67 Modifies the context of a thread in another process (thread injection) 26->67 69 3 other signatures 26->69 29 9ZJRIbH5SlwR3ySPCS.exe 26->29 injected 33 firefox.exe 26->33         started        process15 dnsIp16 43 www.efvvvb.info 47.83.1.90, 49997, 49998, 49999 VODANETInternationalIP-BackboneofVodafoneDE United States 29->43 45 nocoma.berlin 217.160.0.167, 50009, 50010, 50011 ONEANDONE-ASBrauerstrasse48DE Germany 29->45 47 12 other IPs or domains 29->47 75 Found direct / indirect Syscall (likely to bypass EDR) 29->75 signatures17
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/9a815a1a9b543193df99c1dbe141520d7f85fce96016c40490eedfc7c13b15f4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9a815a1a9b543193df99c1dbe141520d7f85fce96016c40490eedfc7c13b15f4/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tkavugu3kqyzhx4zyhn6cqksbv7yl7hjmalmibeq53p4pqj3cx2a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0c073edae8314eb90ac4d7ee3c46428a22eb787f12df3ce0465f4cb924ed05c6
Formbook
b9aec4456156a193af2b3615f547fe796fc98aa7cf1587f6cab95fa92daaca7d
Formbook
error
Formbook
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250130-pt2k7s1mbw/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:SUSP_PS1_FromBase64String_Content_Indicator_RID3714
Create hunting rule
Author:Florian Roth
Description:Detects suspicious base64 encoded PowerShell expressions
Reference:https://gist.github.com/Neo23x0/6af876ee72b51676c82a2db8d2cd3639
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

Formbook

PowerShell (PS) ps1 9a815a1a9b543193df99c1dbe141520d7f85fce96016c40490eedfc7c13b15f4

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
URLhaus
https://urlhaus.abuse.ch/url/3418686/

Comments