MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9230d02930c2f2c7426b24a9783bfbd80261d152895d15767f8c0f25c21a1409. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 9230d02930c2f2c7426b24a9783bfbd80261d152895d15767f8c0f25c21a1409
SHA3-384 hash: dc3f1a4b348fcfb80646d6dcb4af51b1cef683dbf2bbb25ba2d6d5b7a90242a270a6ce999072be68a2a1a05d9cbeb73c
SHA1 hash: 61ecc1dc45785c8cd0263c561ebd5745e5892dcf
MD5 hash: 25ff5f4c25cdad26f97e5be57e49fcd4
humanhash: nineteen-shade-grey-burger
File name:WAK.exe
Download: download sample
Signature Formbook
File size:320'403 bytes
First seen:2021-11-24 13:28:45 UTC
Last seen:2021-12-02 14:25:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGixS4AzYzzm/Za5DlhegMIUxkLUqq0iwNea5I0jXQxQiiAbw:Xnzm4h4zDJVwgGhTQxbiL
Threatray 11'659 similar samples on MalwareBazaar
TLSH T1B664138B7AC0EBB7E8730A7219FAE376D7B2279053618CB797D81E560E1D40F06052A1
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
3
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
WAK.exe
Verdict:
Malicious activity
Analysis date:
2021-11-24 13:29:54 UTC
Tags:
installer trojan formbook stealer

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

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Сreating synchronization primitives
Launching a process
DNS request
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
formbook overlay 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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 527868 Sample: WAK.exe Startdate: 24/11/2021 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for dropped file 2->36 38 4 other signatures 2->38 10 WAK.exe 17 2->10         started        process3 file4 30 C:\Users\user\AppData\Local\Temp\...\uikt.dll, PE32 10->30 dropped 48 Tries to detect virtualization through RDTSC time measurements 10->48 50 Injects a PE file into a foreign processes 10->50 14 WAK.exe 10->14         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 17 explorer.exe 14->17 injected process8 process9 19 control.exe 17->19         started        signatures10 40 Self deletion via cmd delete 19->40 42 Modifies the context of a thread in another process (thread injection) 19->42 44 Maps a DLL or memory area into another process 19->44 46 Tries to detect virtualization through RDTSC time measurements 19->46 22 cmd.exe 1 19->22         started        24 explorer.exe 1 157 19->24         started        26 explorer.exe 107 19->26         started        process11 process12 28 conhost.exe 22->28         started       
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2021-11-24 01:47:46 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
17 of 27 (62.96%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:a96n loader rat
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
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.w8sf.com/a96n/
Unpacked files
SH256 hash:
9230d02930c2f2c7426b24a9783bfbd80261d152895d15767f8c0f25c21a1409
MD5 hash:
25ff5f4c25cdad26f97e5be57e49fcd4
SHA1 hash:
61ecc1dc45785c8cd0263c561ebd5745e5892dcf
Malware family:
XLoader
Verdict:
Malicious
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:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe 9230d02930c2f2c7426b24a9783bfbd80261d152895d15767f8c0f25c21a1409

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments