MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40509317168ee6bcc7529187101bec9a98fab064c1aa997d12388fb9ecf68a63. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments

SHA256 hash: 40509317168ee6bcc7529187101bec9a98fab064c1aa997d12388fb9ecf68a63
SHA3-384 hash: 63d77aab3be4098ebfdff664ebb92c584acd59fd0f8d6d4b5ad71f3bd25a2b5f4f54d744cfd13569934377c253acfe69
SHA1 hash: 583710f60a56f6e621066247dce47b315eb0fc71
MD5 hash: 17df1844425cb65559d1e9671f212f88
humanhash: green-zebra-echo-violet
File name:17df1844425cb65559d1e9671f212f88.exe
Download: download sample
Signature Formbook
File size:267'602 bytes
First seen:2022-10-13 11:53:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:HNeZmWGoRu+uIsIE90VEKecTmG6lp9p6awpaKYpEDy8K1hPlVqVXGnvT:HNlVmPskLC7p1PEGfPPlkVXGb
TLSH T11A44129D56A8C4B3C0BBA2791D364BE76BBDFA1101601A0F4B34EF143D327C2B66A355
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Searching for synchronization primitives
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found hidden mapped module (file has been removed from disk)
Machine Learning detection for dropped file
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 722413 Sample: 8Vat24DNzJ.exe Startdate: 13/10/2022 Architecture: WINDOWS Score: 100 52 Multi AV Scanner detection for domain / URL 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for dropped file 2->56 58 4 other signatures 2->58 9 8Vat24DNzJ.exe 18 2->9         started        process3 file4 30 C:\Users\user\AppData\Local\...\veixdou.exe, PE32 9->30 dropped 12 veixdou.exe 3 9->12         started        process5 file6 32 C:\Users\user\AppData\Local\Temp\C5D.tmp, PE32 12->32 dropped 34 C:\Users\user\AppData\Local\Temp\77A.tmp, PE32 12->34 dropped 36 C:\Users\user\AppData\Local\Temp\22A.tmp, PE32 12->36 dropped 70 Machine Learning detection for dropped file 12->70 72 Found hidden mapped module (file has been removed from disk) 12->72 16 veixdou.exe 12->16         started        19 veixdou.exe 12->19         started        21 veixdou.exe 12->21         started        signatures7 process8 signatures9 44 Modifies the context of a thread in another process (thread injection) 16->44 46 Maps a DLL or memory area into another process 16->46 48 Sample uses process hollowing technique 16->48 50 Queues an APC in another process (thread injection) 16->50 23 explorer.exe 16->23 injected process10 dnsIp11 38 www.rodriguezempirerealty.com 216.40.34.41, 49704, 49705, 49706 TUCOWSCA Canada 23->38 40 www.puntsgewijs.com 38.238.75.237, 49701, 49702, 49703 COGENT-174US United States 23->40 42 3 other IPs or domains 23->42 60 System process connects to network (likely due to code injection or exploit) 23->60 27 explorer.exe 13 23->27         started        signatures12 process13 signatures14 62 Tries to steal Mail credentials (via file / registry access) 27->62 64 Tries to harvest and steal browser information (history, passwords, etc) 27->64 66 Modifies the context of a thread in another process (thread injection) 27->66 68 Maps a DLL or memory area into another process 27->68
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-10-13 00:02:22 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
24 of 42 (57.14%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:tsuz rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
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
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a401918a8f80dc951a27d97addb3c3768994dc792f498a267675da17c506aebf
MD5 hash:
596a8563d6af43ad863081ec5fe5971e
SHA1 hash:
b8879558f6609a60080400e3947f2c133e8929bb
SH256 hash:
ac446c32c587aea062f860e1134ac124a68ae277884ca1907676517df2d2db5f
MD5 hash:
1bc662dfda4651e991004b51818c7696
SHA1 hash:
3f825ce2f79c5bc7cc65341c250ac321e44a5c1f
SH256 hash:
40509317168ee6bcc7529187101bec9a98fab064c1aa997d12388fb9ecf68a63
MD5 hash:
17df1844425cb65559d1e9671f212f88
SHA1 hash:
583710f60a56f6e621066247dce47b315eb0fc71
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:meth_get_eip
Author:Willi Ballenthin

File information


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

Web download

Formbook

Executable exe 40509317168ee6bcc7529187101bec9a98fab064c1aa997d12388fb9ecf68a63

(this sample)

  
Delivery method
Distributed via web download

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