MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f717becc408420e2dfdcac5643bcf420ce2a8e3e28320c23b3db7a489235f2a. 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 4 File information Comments

SHA256 hash: 2f717becc408420e2dfdcac5643bcf420ce2a8e3e28320c23b3db7a489235f2a
SHA3-384 hash: cee39a30fe77a11ea260878f499f96f80aeb92fd608a687e1f844030a349542c35b5b0775c790b769c8d7aaf6677ba43
SHA1 hash: 5eb95ee31e92596ab20100ad13358c5e214c20cf
MD5 hash: e085287e182e1fe1afc6136e08639b49
humanhash: floor-august-chicken-skylark
File name:FTT63730923.exe
Download: download sample
Signature Formbook
File size:604'672 bytes
First seen:2023-10-22 07:37:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:u8zS55mFzhcNurziYbsFTzKyGvmKE8GJnff5VBJSCQ:uf55qF6urz9IFPOuZ5nsJ
Threatray 262 similar samples on MalwareBazaar
TLSH T11DD4124136A98357E63C4AB758778AC103720C663A52EB8E3D9635CE8CF7F4857107AB
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 71f0b2e8f0b0e871 (16 x AgentTesla, 4 x Formbook, 2 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
303
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
FTT63730923.exe
Verdict:
Malicious activity
Analysis date:
2023-10-22 09:04:30 UTC
Tags:
formbook xloader stealer spyware

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

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
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
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 domain / URL
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
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1329949 Sample: FTT63730923.exe Startdate: 22/10/2023 Architecture: WINDOWS Score: 100 33 www.withscreamandsugar.com 2->33 35 www.ssongg3132.cfd 2->35 37 11 other IPs or domains 2->37 39 Snort IDS alert for network traffic 2->39 41 Multi AV Scanner detection for domain / URL 2->41 43 Found malware configuration 2->43 45 10 other signatures 2->45 11 FTT63730923.exe 3 2->11         started        signatures3 process4 signatures5 53 Tries to detect virtualization through RDTSC time measurements 11->53 55 Injects a PE file into a foreign processes 11->55 14 FTT63730923.exe 11->14         started        process6 signatures7 57 Modifies the context of a thread in another process (thread injection) 14->57 59 Maps a DLL or memory area into another process 14->59 61 Sample uses process hollowing technique 14->61 63 Queues an APC in another process (thread injection) 14->63 17 explorer.exe 39 1 14->17 injected process8 dnsIp9 27 www.mattress-info-hu-kwu.today 104.21.29.228, 49721, 80 CLOUDFLARENETUS United States 17->27 29 www.com-safe.site 104.21.33.108, 49727, 80 CLOUDFLARENETUS United States 17->29 31 6 other IPs or domains 17->31 20 cmmon32.exe 12 17->20         started        process10 signatures11 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49 51 Tries to detect virtualization through RDTSC time measurements 20->51 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2023-10-04 04:43:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:cy12 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
SH256 hash:
af10a81d30ea6c14a0857caa64697f78672a941419d679b34eedb82e080ad46b
MD5 hash:
ec0b80883f0b18fb75a48dd18795f514
SHA1 hash:
afe9537c27362b6769a1df0ad414b8e58d34ea40
SH256 hash:
df778d4463c9bdaf662a0598f08e3b00804a6baa94763becdc3221c6ab9e1227
MD5 hash:
9f0d81e7248010e5afd0102babbfcb2c
SHA1 hash:
3856aaddd81c5c65c303f3bf7d75195b8acdf61d
SH256 hash:
2f717becc408420e2dfdcac5643bcf420ce2a8e3e28320c23b3db7a489235f2a
MD5 hash:
e085287e182e1fe1afc6136e08639b49
SHA1 hash:
5eb95ee31e92596ab20100ad13358c5e214c20cf
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe 2f717becc408420e2dfdcac5643bcf420ce2a8e3e28320c23b3db7a489235f2a

(this sample)

  
Delivery method
Distributed via e-mail attachment

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