MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d0b94b855d2f24add1edf6b3a6ecae24e4366f181a1ccd0bcd3b27e94de95bc0. 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: 17


Intelligence 17 IOCs YARA 12 File information Comments

SHA256 hash: d0b94b855d2f24add1edf6b3a6ecae24e4366f181a1ccd0bcd3b27e94de95bc0
SHA3-384 hash: 4503c33b9fe6a30eadee14077b0e1bda0a2b8393cc63bcbab3c216cf2b42f1a712d19fd3b7a82238d11b8b879d84d3fb
SHA1 hash: 8f744b5564e78ab054bc685bd12483c1ffd9de4d
MD5 hash: 728b83244a275ef0e29cb00aa0c6692c
humanhash: helium-river-ink-april
File name:d0b94b855d2f24add1edf6b3a6ecae24e4366f181a1ccd0bcd3b27e94de95bc0
Download: download sample
Signature Formbook
File size:185'856 bytes
First seen:2024-03-18 13:17:15 UTC
Last seen:2024-03-25 12:30:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:CtzMC+k7U9fY/0/13Uay9AGYKolYE6upZ44YW5Q/T74PMu57c:o4HZU96RKolYLKm4oYPJ
Threatray 957 similar samples on MalwareBazaar
TLSH T1EF04AF36D642C071E2B212B5F6BD1B7B483D0E353295A0AAA3E215E06EE05E5F53D31F
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
327
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d0b94b855d2f24add1edf6b3a6ecae24e4366f181a1ccd0bcd3b27e94de95bc0.exe
Verdict:
Suspicious activity
Analysis date:
2024-03-18 13:48:18 UTC
Tags:
n/a

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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
config-extracted formbook formbook packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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)
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1410996 Sample: i5NDVAFg42.exe Startdate: 18/03/2024 Architecture: WINDOWS Score: 100 26 www.topdeals.biz 2->26 28 www.michellecaldwelldesign.com 2->28 30 14 other IPs or domains 2->30 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 7 other signatures 2->50 10 i5NDVAFg42.exe 2->10         started        signatures3 process4 signatures5 52 Modifies the context of a thread in another process (thread injection) 10->52 54 Maps a DLL or memory area into another process 10->54 56 Sample uses process hollowing technique 10->56 58 2 other signatures 10->58 13 explorer.exe 105 7 10->13 injected process6 dnsIp7 32 www.topdeals.biz 72.14.185.43, 49719, 80 LINODE-APLinodeLLCUS United States 13->32 34 www.flavorfog.online 35.214.118.179, 49716, 80 GOOGLE-2US United States 13->34 36 6 other IPs or domains 13->36 60 System process connects to network (likely due to code injection or exploit) 13->60 62 Uses ipconfig to lookup or modify the Windows network settings 13->62 17 ipconfig.exe 13->17         started        20 autochk.exe 13->20         started        signatures8 process9 signatures10 38 Modifies the context of a thread in another process (thread injection) 17->38 40 Maps a DLL or memory area into another process 17->40 42 Tries to detect virtualization through RDTSC time measurements 17->42 22 cmd.exe 1 17->22         started        process11 process12 24 conhost.exe 22->24         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2024-03-18 13:18:12 UTC
File Type:
PE (Exe)
AV detection:
22 of 23 (95.65%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:vr01 rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
d0b94b855d2f24add1edf6b3a6ecae24e4366f181a1ccd0bcd3b27e94de95bc0
MD5 hash:
728b83244a275ef0e29cb00aa0c6692c
SHA1 hash:
8f744b5564e78ab054bc685bd12483c1ffd9de4d
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 Formbook
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:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
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 d0b94b855d2f24add1edf6b3a6ecae24e4366f181a1ccd0bcd3b27e94de95bc0

(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