MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8231319ff306941ab1ad023986a692f958a3ca7d05ebbba4df37494757e1fd40. 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: 8231319ff306941ab1ad023986a692f958a3ca7d05ebbba4df37494757e1fd40
SHA3-384 hash: c79dc8541cd9c66aa028fec1c24e3f0f4ad4289d16605b96e3dc4f684c32bdfd45680876224a7f3060f6c7913b311149
SHA1 hash: 46225644e77881093b09790d61a3591d3fe81a0d
MD5 hash: a4e9e7f2de4ea7a6d503e4f11c442981
humanhash: iowa-juliet-rugby-victor
File name:SHIPPING ADVICE#ASEANS.exe
Download: download sample
Signature Formbook
File size:626'688 bytes
First seen:2022-06-12 12:17:56 UTC
Last seen:2022-06-12 18:46:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:ga2iNb9qWN7Op0fp1yfr/NkHQCEp8UNHusJe41PHE/e5MCI:t1pjlOGzyfr/aH9EpasJe0/ue5M
TLSH T1FFD4017E61FA885AF271457E18E1054867E09CB9ED37A60AFCD3256B42EE7E21C33143
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 GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
467
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SHIPPING ADVICE#ASEANS.exe
Verdict:
Malicious activity
Analysis date:
2022-06-12 12:19:07 UTC
Tags:
formbook

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

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit formbook packed
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 potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 644101 Sample: SHIPPING ADVICE#ASEANS.exe Startdate: 12/06/2022 Architecture: WINDOWS Score: 100 50 www.thozhilmaster.com 2->50 52 ghs.google.com 2->52 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus detection for URL or domain 2->66 68 Antivirus detection for dropped file 2->68 70 14 other signatures 2->70 10 SHIPPING ADVICE#ASEANS.exe 7 2->10         started        signatures3 process4 file5 42 C:\Users\user\AppData\...\mrCnhPZPIRmdn.exe, PE32 10->42 dropped 44 C:\...\mrCnhPZPIRmdn.exe:Zone.Identifier, ASCII 10->44 dropped 46 C:\Users\user\AppData\Local\...\tmp4B92.tmp, XML 10->46 dropped 48 C:\Users\...\SHIPPING ADVICE#ASEANS.exe.log, ASCII 10->48 dropped 74 Adds a directory exclusion to Windows Defender 10->74 76 Injects a PE file into a foreign processes 10->76 14 SHIPPING ADVICE#ASEANS.exe 10->14         started        17 powershell.exe 24 10->17         started        19 powershell.exe 24 10->19         started        21 schtasks.exe 10->21         started        signatures6 process7 signatures8 78 Modifies the context of a thread in another process (thread injection) 14->78 80 Maps a DLL or memory area into another process 14->80 82 Sample uses process hollowing technique 14->82 84 Queues an APC in another process (thread injection) 14->84 23 explorer.exe 14->23 injected 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        process9 dnsIp10 54 www.timinis23.com 199.192.23.166, 49850, 80 NAMECHEAP-NETUS United States 23->54 72 System process connects to network (likely due to code injection or exploit) 23->72 33 colorcpl.exe 23->33         started        36 cmd.exe 27->36         started        38 cmd.exe 27->38         started        signatures11 process12 signatures13 56 Tries to steal Mail credentials (via file / registry access) 33->56 58 Tries to harvest and steal browser information (history, passwords, etc) 33->58 60 Modifies the context of a thread in another process (thread injection) 33->60 62 2 other signatures 33->62 40 conhost.exe 36->40         started        process14
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-12 09:56:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:sdzp evasion loader persistence rat spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
1fee606292c4efeb720a434b07e9e1ae33952f5011844d28a27b38ba6034790e
MD5 hash:
01eb492f3501ab5e3f68280fe8446e75
SHA1 hash:
b521faf2be9f8f6f70058a89836b02e66766346a
SH256 hash:
0046a8858386d38fd1648ba660fdb2ef6c8c7f6aca48ff2d03855bfc48fb3c87
MD5 hash:
7b9b66061895b4895da12f7a2296ac88
SHA1 hash:
aa8fa4e8e5fc1d3b3a4f52023ac879a0077d7528
SH256 hash:
a675f303f6e1ed214cb7ae9910246a1d54565da05690b29001d713f2acaad961
MD5 hash:
feed7bf03a05e5d55c945349f4db4399
SHA1 hash:
19021308efc63f8063b7d9b805b2a75ba18b3833
SH256 hash:
8231319ff306941ab1ad023986a692f958a3ca7d05ebbba4df37494757e1fd40
MD5 hash:
a4e9e7f2de4ea7a6d503e4f11c442981
SHA1 hash:
46225644e77881093b09790d61a3591d3fe81a0d
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 8231319ff306941ab1ad023986a692f958a3ca7d05ebbba4df37494757e1fd40

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments