MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8d8a8ab682956d7abd31c4fa49690ece5f9349ea7753e83243ef5a933df4684. 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 2 File information Comments

SHA256 hash: b8d8a8ab682956d7abd31c4fa49690ece5f9349ea7753e83243ef5a933df4684
SHA3-384 hash: 15b3774ceea53a70ad499c9360d9319072c4362eba85754bbff199cbaa6665d674bac2a39736cdaf732ca20473502fcb
SHA1 hash: 9c5414dc87b86ad12e5700fd084fdec97fe07028
MD5 hash: dd39c893cd30479da89bddd36b0c198d
humanhash: oklahoma-ink-tango-item
File name:Swift_USD25,511.exe
Download: download sample
Signature Formbook
File size:535'040 bytes
First seen:2022-05-12 09:14:38 UTC
Last seen:2022-05-12 10:12:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:cOPJUOTdcZppuwcuX/eoPzoPNMxrAeTz5tfknI6H7WW74LCc:cEisdhIPz66xVenI6H7EL
TLSH T17CB41229B32BB633C46C8B72CDCA90CC1B755F275D13DB2B1DA6315D6A33B92099160B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter pr0xylife
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
251
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
Result
Verdict:
UNKNOWN
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.spyw.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
Benign windows process drops PE files
Injects a PE file into a foreign processes
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 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
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 625091 Sample: Swift_USD25,511.exe Startdate: 12/05/2022 Architecture: WINDOWS Score: 100 43 www.transcendenttherapeutics.com 2->43 45 transcendenttherapeutics.com 2->45 53 Snort IDS alert for network traffic 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus detection for URL or domain 2->57 59 10 other signatures 2->59 11 Swift_USD25,511.exe 3 2->11         started        signatures3 process4 file5 41 C:\Users\user\...\Swift_USD25,511.exe.log, ASCII 11->41 dropped 75 Tries to detect virtualization through RDTSC time measurements 11->75 77 Injects a PE file into a foreign processes 11->77 15 Swift_USD25,511.exe 11->15         started        signatures6 process7 signatures8 81 Modifies the context of a thread in another process (thread injection) 15->81 83 Maps a DLL or memory area into another process 15->83 85 Sample uses process hollowing technique 15->85 87 Queues an APC in another process (thread injection) 15->87 18 explorer.exe 1 6 15->18 injected process9 dnsIp10 47 www.nonzamoto.com 103.224.212.219, 49858, 49859, 49860 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 18->47 49 onstatic-fr.setupdns.net 81.88.57.68, 49818, 49819, 49820 REGISTER-ASIT Italy 18->49 51 22 other IPs or domains 18->51 39 C:\Users\user\AppData\...\g2k9rctsbbp.exe, PE32 18->39 dropped 61 System process connects to network (likely due to code injection or exploit) 18->61 63 Benign windows process drops PE files 18->63 23 systray.exe 1 12 18->23         started        26 g2k9rctsbbp.exe 3 18->26         started        file11 signatures12 process13 signatures14 65 Tries to steal Mail credentials (via file / registry access) 23->65 67 Self deletion via cmd delete 23->67 69 Tries to harvest and steal browser information (history, passwords, etc) 23->69 73 3 other signatures 23->73 28 cmd.exe 2 23->28         started        31 cmd.exe 1 23->31         started        71 Injects a PE file into a foreign processes 26->71 33 g2k9rctsbbp.exe 26->33         started        process15 signatures16 79 Tries to harvest and steal browser information (history, passwords, etc) 28->79 35 conhost.exe 28->35         started        37 conhost.exe 31->37         started        process17
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-12 08:22:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:mwfc loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
Modifies registry class
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
c206122a7336385be557580c114ac0923192f61bc8f77aa58c898135438399f9
MD5 hash:
6c9e813248a01432890c476813d210b8
SHA1 hash:
fd54aa3af58fc3a88cb3fd6753d773cd6c51b7f8
SH256 hash:
9c0dddf0cd0b23685b10ee5353bb6938ba4266c114ba5afacdadec963a3f0542
MD5 hash:
19b610c353ea8fc6db4b6770d8e8a748
SHA1 hash:
44d6f5ef30304b41f2b76a08421e449f3edbec19
SH256 hash:
826863d8f252a0bed0f087e907976d3f60d47feff47ab2548cd7f1a3fe0b8675
MD5 hash:
6cbae1f4ca59ca0b0d73ffc361658bd8
SHA1 hash:
0622c5c1e45a26a871897c14d6a9cfe248d831d8
SH256 hash:
b8d8a8ab682956d7abd31c4fa49690ece5f9349ea7753e83243ef5a933df4684
MD5 hash:
dd39c893cd30479da89bddd36b0c198d
SHA1 hash:
9c5414dc87b86ad12e5700fd084fdec97fe07028
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