MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d0400fb45ebf52e42f40e3c6c3c246a6c1e1550f8b974b848f57a4294084162. 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 2 File information Comments

SHA256 hash: 3d0400fb45ebf52e42f40e3c6c3c246a6c1e1550f8b974b848f57a4294084162
SHA3-384 hash: 32f249b0990021ba53c3a201eea40ccf1f674e600f667fb033385b0aa5f7f6491b893c9d41ffbfc826e92acc2d9bf29b
SHA1 hash: 7ca29e8daa2127e674c67287cd265c68a63e0be3
MD5 hash: 7011f702f15e308ff767be16a05a2e67
humanhash: quiet-nevada-robert-edward
File name:Best quotations.exe
Download: download sample
Signature Formbook
File size:1'379'328 bytes
First seen:2022-10-30 19:22:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:AkgHCeMnTDHNXPxnpeb2DKoD9Pd9kXvVcfyPq9+RSLjA/f2LYr8YehtkdQ54mMSq:K7M3hDeb27Pd6VKZ1ubI1hF4mMSQO
TLSH T11E55AE35B5F3CE53E34C0777D0E2AC2063B292426B26E76F764173A618933A75D8B50A
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
504
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Best quotations.exe
Verdict:
Malicious activity
Analysis date:
2022-10-30 19:24:02 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
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  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)
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 733997 Sample: Best quotations.exe Startdate: 30/10/2022 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Multi AV Scanner detection for domain / URL 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 11 other signatures 2->44 10 Best quotations.exe 3 2->10         started        process3 file4 30 C:\Users\user\...\Best quotations.exe.log, ASCII 10->30 dropped 54 Injects a PE file into a foreign processes 10->54 14 Best quotations.exe 10->14         started        17 Best quotations.exe 10->17         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.firstmortgagedebt.com 134.73.81.228, 49708, 80 LAYER-HOSTUS United States 19->32 34 www.smbxd.com 173.232.118.64, 49704, 80 EONIX-COMMUNICATIONS-ASBLOCK-62904US United States 19->34 36 7 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 rundll32.exe 19->23         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 23->48 50 Maps a DLL or memory area into another process 23->50 52 Tries to detect virtualization through RDTSC time measurements 23->52 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
Win32.Trojan.Taskun
Status:
Malicious
First seen:
2022-10-23 23:30:45 UTC
File Type:
PE (.Net Exe)
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ng04 rat spyware stealer trojan
Behaviour
Enumerates system info in registry
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
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
8c70809310f41a91ff32acc19f100291f1f891b50f755f7aaf3cfaa9b3605081
MD5 hash:
c31e5d9ba7aec5414d391e20a40e396f
SHA1 hash:
7c6fadf94aa41dbbc6c36ff1ae283d054e659843
Detections:
FormBook win_formbook_auto win_formbook_g0
SH256 hash:
82964f554ccd1dc0dd12c3a391d5eb34b803b5f8940aa519b58627b64d47ce15
MD5 hash:
bec4b6d685c5856e831e5dcfe0c0c621
SHA1 hash:
eaed579eaee47f4cb50fcb52ffaad45085fda365
SH256 hash:
82547936db4572b54223e815c6cfb11eb63b107cb52fb2942358de031d272e51
MD5 hash:
b22cc3b26332c2ec906b8584b4dcb160
SHA1 hash:
e3a42bccdbe26b7932c54e1aa9317ab87814674e
SH256 hash:
b33393a4408c74b55ffa1f07f8f23838dcc526e86ac594b02c58ef8f94c61181
MD5 hash:
3bda60fd44b42977e2b49249a02fe7e9
SHA1 hash:
aa2caf5ff9b906ce0d90e71c6ccb5a0437b38ec2
SH256 hash:
678d527fc01a0eaa1be366ca97b0ad5a3fe890b1ef8267d2fc981ff43c4d08e5
MD5 hash:
2da433d67db4775d8f02a8fed4b31bf3
SHA1 hash:
235fe8f2076f3b5cfffacc574825550cee8e61e9
SH256 hash:
edadc813f4440ada276da601d8f31780e5e138b8ee392e3f49a509322a1fb51e
MD5 hash:
574597554c69083c1af2b742a97a92b6
SHA1 hash:
043eea660b8650c5a0042f842fd8db3516d37a2c
SH256 hash:
3d0400fb45ebf52e42f40e3c6c3c246a6c1e1550f8b974b848f57a4294084162
MD5 hash:
7011f702f15e308ff767be16a05a2e67
SHA1 hash:
7ca29e8daa2127e674c67287cd265c68a63e0be3
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: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 3d0400fb45ebf52e42f40e3c6c3c246a6c1e1550f8b974b848f57a4294084162

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments