MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 291f9c211eed167fbf4b31411d79c7447a09b29dd2308dceacacc3fe31fa2364. 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 2 File information Comments

SHA256 hash: 291f9c211eed167fbf4b31411d79c7447a09b29dd2308dceacacc3fe31fa2364
SHA3-384 hash: e236856137f8811b567c67069ea6c6db5eb5fa371f439c838540de23756817c9668469107c52f076b88c5dae564d50fe
SHA1 hash: d6142f285a40adace974ebbb40a41243b325703a
MD5 hash: f65c5c09960ba936dae272202676f8a0
humanhash: bakerloo-india-yellow-pluto
File name:REF-Invoice_72_1421 NOTE.exe
Download: download sample
Signature Formbook
File size:779'264 bytes
First seen:2023-05-17 10:25:00 UTC
Last seen:2023-05-25 08:35:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:pk0Tcy5kKvHj2np3bTmvA8DCmLj7wlG02SFCNAgWblv5/CA/3u:HTymHjKp3bcNuDGqCagWJ0A/
Threatray 2'996 similar samples on MalwareBazaar
TLSH T153F4BE2061BD4B45E03E97F05AA8FD2803B275A3A5FADA250EE5B0CB5E65F001F45F27
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter madjack_red
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
277
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
REF-Invoice_72_1421 NOTE.rar
Verdict:
Suspicious activity
Analysis date:
2023-05-16 15:20:42 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
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot 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 potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 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 detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 868121 Sample: REF-Invoice_72_1421_NOTE.exe Startdate: 17/05/2023 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 7 other signatures 2->42 10 REF-Invoice_72_1421_NOTE.exe 3 2->10         started        process3 file4 28 C:\Users\...\REF-Invoice_72_1421_NOTE.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 REF-Invoice_72_1421_NOTE.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 1 14->17 injected process8 dnsIp9 30 www.tribally.net 13.248.169.48, 49695, 80 AMAZON-02US United States 17->30 32 www.fixlaunchcredtunionmemb.online 17->32 34 www.3dseal.online 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 raserver.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-05-16 16:24:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:gg04 rat spyware stealer trojan
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
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
27aaba947bc4d3da8c37bf55c61f77406497dd9a63fba11920c3c315ded2b78d
MD5 hash:
749c1f1a00f16ed7650b6255343525fb
SHA1 hash:
9bd958a4c073651235c8c2bc53f7e8def4cca91e
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
SH256 hash:
a7485443b331c2fca54197f53638cb11a8c82bac339b66f35b95d0ad0aceb438
MD5 hash:
dfca41d2838170cb07ef445bb7d9c987
SHA1 hash:
7622672bed23f065cafdf2a17879ebf5926aba8b
SH256 hash:
743f6e2fa695a0d086b5acae0556da392c1dfa9fada999a322eeb0a3cb382fcf
MD5 hash:
e24f9460785957c47ed29300ffbeecb5
SHA1 hash:
6dc1e77487e6453ebb2c418fe19bbe46e7ebc293
SH256 hash:
291f9c211eed167fbf4b31411d79c7447a09b29dd2308dceacacc3fe31fa2364
MD5 hash:
f65c5c09960ba936dae272202676f8a0
SHA1 hash:
d6142f285a40adace974ebbb40a41243b325703a
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.

Comments