MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b31fc365306a5daf428f34c69eea9d8f52aa5f18839b6b097cc3c55d4134de8. 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 24 File information Comments

SHA256 hash: 9b31fc365306a5daf428f34c69eea9d8f52aa5f18839b6b097cc3c55d4134de8
SHA3-384 hash: 566eb3e53aa8f0067099b099d027b6f685791c34a453fa47120bb2eca9e839f62075443b4b713bd011898e18df28523b
SHA1 hash: cf23d986efc844fd0224985139aeaba20d6d7c3d
MD5 hash: cd222543503e266220576b799c212ef2
humanhash: florida-muppet-eighteen-friend
File name:Shipping Document.exe
Download: download sample
Signature Formbook
File size:1'217'024 bytes
First seen:2025-05-23 13:23:51 UTC
Last seen:2025-06-06 13:14:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:ltb20pkaCqT5TBWgNQ7aXKqIrbFwUOv4Qt39V96A:WVg5tQ7aXLIrRQt3R5
Threatray 2'268 similar samples on MalwareBazaar
TLSH T1AA45D02373DD8365C7B25273BA16B7017EBF782506B1F96B2F98093DE920122521E673
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
478
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipping Document.exe
Verdict:
No threats detected
Analysis date:
2025-05-23 13:39:40 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script fingerprint keylogger masquerade microsoft_visual_cc packed packed packer_detected
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Binary is likely a compiled AutoIt script file
Initial sample is a PE file and has a suspicious name
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)
Sigma detected: Rundll32 Execution Without CommandLine Parameters
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1697777 Sample: Shipping Document.exe Startdate: 23/05/2025 Architecture: WINDOWS Score: 100 31 www.rentnt.xyz 2->31 33 www.vibeark.xyz 2->33 35 18 other IPs or domains 2->35 43 Suricata IDS alerts for network traffic 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected FormBook 2->47 51 4 other signatures 2->51 11 Shipping Document.exe 2 2->11         started        signatures3 49 Performs DNS queries to domains with low reputation 33->49 process4 signatures5 61 Binary is likely a compiled AutoIt script file 11->61 63 Writes to foreign memory regions 11->63 65 Maps a DLL or memory area into another process 11->65 14 svchost.exe 11->14         started        process6 signatures7 67 Maps a DLL or memory area into another process 14->67 17 c2K9GIhUL.exe 14->17 injected process8 process9 19 rundll32.exe 13 17->19         started        signatures10 53 Tries to steal Mail credentials (via file / registry access) 19->53 55 Tries to harvest and steal browser information (history, passwords, etc) 19->55 57 Modifies the context of a thread in another process (thread injection) 19->57 59 2 other signatures 19->59 22 FhueqkcM.exe 19->22 injected 25 chrome.exe 19->25         started        27 firefox.exe 19->27         started        process11 dnsIp12 37 rentnt.xyz 3.33.130.190, 49720, 49721, 49722 AMAZONEXPANSIONGB United States 22->37 39 www.herpich.one 130.185.109.77, 49724, 49725, 49726 XIRRADE Germany 22->39 41 10 other IPs or domains 22->41 29 WerFault.exe 4 25->29         started        process13
Threat name:
Win32.Trojan.Kepavll
Status:
Malicious
First seen:
2025-05-19 02:44:32 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
9b31fc365306a5daf428f34c69eea9d8f52aa5f18839b6b097cc3c55d4134de8
MD5 hash:
cd222543503e266220576b799c212ef2
SHA1 hash:
cf23d986efc844fd0224985139aeaba20d6d7c3d
SH256 hash:
fa54d857041357e5fcde0aa2b795a5a0c3e9cdf568e7be1121b6e39ce8ca6f30
MD5 hash:
71946b3af85547dcd8f394ad36863410
SHA1 hash:
996a35d27549bfbd108f5381b9d5c68b1bce7220
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
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:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:YahLover
Author:Kevin Falcoz
Description:YahLover

File information


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

Malspam

Formbook

Executable exe 9b31fc365306a5daf428f34c69eea9d8f52aa5f18839b6b097cc3c55d4134de8

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments