MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8054dd2e45880794d187893bf7274cb69cc628baa62eec2a2dfb514af50c37c4. 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 7 File information Comments

SHA256 hash: 8054dd2e45880794d187893bf7274cb69cc628baa62eec2a2dfb514af50c37c4
SHA3-384 hash: 2849a303ef45eebe91c4bd0a8fe6c6b5bca5391b1477f803e8391448fcc9b477f672a3abf6dabbbd43477f419240b2c1
SHA1 hash: c6143cadad1adef54b5d7cf7a90035feb3e283a0
MD5 hash: d5353394b28c55fb2649da8d66f74cb8
humanhash: lima-solar-massachusetts-sink
File name:SecuriteInfo.com.W32.AIDetectNet.01.24290.23882
Download: download sample
Signature Formbook
File size:275'488 bytes
First seen:2022-07-07 03:41:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:XVYh7HcZHZya0NYePbCQu0a9oSteJzNOKVZj:uhmMaWZru0MoUeJ8KVZj
TLSH T13E44F10A37C64E91C8B99E7190D3412417B0FB83B97BD26B7D8491690FC33E66E8DB46
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay 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 method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates an undocumented autostart registry key
Detected potential unwanted application
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)
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 virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 658563 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 07/07/2022 Architecture: WINDOWS Score: 100 38 www.stilghar.com 2->38 40 www.0571kt.net 2->40 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 7 other signatures 2->56 11 SecuriteInfo.com.W32.AIDetectNet.01.24290.exe 1 2->11         started        signatures3 process4 file5 36 SecuriteInfo.com.W...et.01.24290.exe.log, ASCII 11->36 dropped 70 Writes to foreign memory regions 11->70 72 Allocates memory in foreign processes 11->72 74 Injects a PE file into a foreign processes 11->74 76 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 11->76 15 cvtres.exe 11->15         started        18 cvtres.exe 11->18         started        signatures6 process7 signatures8 78 Modifies the context of a thread in another process (thread injection) 15->78 80 Maps a DLL or memory area into another process 15->80 82 Sample uses process hollowing technique 15->82 84 Queues an APC in another process (thread injection) 15->84 20 explorer.exe 15->20 injected 86 Tries to detect virtualization through RDTSC time measurements 18->86 process9 signatures10 58 System process connects to network (likely due to code injection or exploit) 20->58 23 rundll32.exe 1 12 20->23         started        process11 signatures12 60 Creates an undocumented autostart registry key 23->60 62 Tries to steal Mail credentials (via file / registry access) 23->62 64 Tries to harvest and steal browser information (history, passwords, etc) 23->64 66 3 other signatures 23->66 26 explorer.exe 148 23->26         started        30 explorer.exe 1 155 23->30         started        32 cmd.exe 1 23->32         started        process13 dnsIp14 42 www.momentums6.com 199.192.20.96, 49880, 80 NAMECHEAP-NETUS United States 26->42 44 www.shahanhan.com 154.7.75.47, 49881, 49882, 49883 COGENT-174US United States 26->44 48 4 other IPs or domains 26->48 68 System process connects to network (likely due to code injection or exploit) 26->68 46 192.168.2.1 unknown unknown 30->46 34 conhost.exe 32->34         started        signatures15 process16
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-07-06 23:22:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:tn61 loader persistence rat spyware stealer suricata trojan
Behaviour
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds policy Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
c255e016dab3d29f31f8ab97b4a51e424267fd456a7a7b1fad5610b4c2b97fc0
MD5 hash:
dc42037bc83489ba6ac2513a184590c3
SHA1 hash:
26e3e9e7a3d125b7c9926a11ffcf61b8f4d5f405
Detections:
win_formbook_g0 win_formbook_auto XLoader
SH256 hash:
8054dd2e45880794d187893bf7274cb69cc628baa62eec2a2dfb514af50c37c4
MD5 hash:
d5353394b28c55fb2649da8d66f74cb8
SHA1 hash:
c6143cadad1adef54b5d7cf7a90035feb3e283a0
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:MALWARE_Win_zgRAT
Author:ditekSHen
Description:Detects zgRAT
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Comments