MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0c5c3efda2bcfa189ce5f5b94e1bf298eb712b0ad4e9573293a7883d54f4af9. 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: 12


Intelligence 12 IOCs YARA 9 File information Comments

SHA256 hash: b0c5c3efda2bcfa189ce5f5b94e1bf298eb712b0ad4e9573293a7883d54f4af9
SHA3-384 hash: 78cda584832bb0375eebef25193ae4a84d48e008d0d7153c9d8755b41d1834c984843faf21bb255f19c9ba3a56dbf596
SHA1 hash: a02d864f281eefb7cb67da411d43744000907c14
MD5 hash: 73d92a5e3f3cc68f581431cda26ff26a
humanhash: single-nuts-north-september
File name:Nuevo pedido _WJO-002.exe
Download: download sample
Signature Formbook
File size:621'056 bytes
First seen:2022-05-12 19:37:10 UTC
Last seen:2022-05-12 20:52:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:0eD4hjmDOBByG1MSrUwbEhaX3WKb8c6OVf0Yj:PsjKSrUSEhanWbc6OVf0s
Threatray 15'761 similar samples on MalwareBazaar
TLSH T149D45E5C6E010A62ED5E907869034FC5FB630B236BC7E9C7578B1ECA87CF2D86D15886
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f4f0e8c8ccf0f0d4 (4 x AveMariaRAT, 2 x Formbook, 1 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
319
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Running batch commands
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Creating a process from a recently created file
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe obfuscated 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.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Binary or sample is protected by dotNetProtector
C2 URLs / IPs found in malware configuration
Found malware configuration
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 virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 625632 Sample: Nuevo pedido _WJO-002.exe Startdate: 12/05/2022 Architecture: WINDOWS Score: 100 62 www.mrteez.club 2->62 80 Snort IDS alert for network traffic 2->80 82 Found malware configuration 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 9 other signatures 2->86 12 Nuevo pedido _WJO-002.exe 4 2->12         started        15 windows defender.exe 3 2->15         started        signatures3 process4 file5 58 C:\Users\...58uevo pedido _WJO-002.exe.log, ASCII 12->58 dropped 17 Nuevo pedido _WJO-002.exe 12->17         started        20 cmd.exe 3 12->20         started        23 cmd.exe 1 12->23         started        60 C:\Users\user\...\windows defender.exe.log, ASCII 15->60 dropped 25 cmd.exe 1 15->25         started        27 cmd.exe 1 15->27         started        29 windows defender.exe 15->29         started        process6 file7 70 Modifies the context of a thread in another process (thread injection) 17->70 72 Maps a DLL or memory area into another process 17->72 74 Sample uses process hollowing technique 17->74 76 Queues an APC in another process (thread injection) 17->76 31 explorer.exe 9 17->31 injected 54 C:\Users\user\...\windows defender.exe, PE32 20->54 dropped 56 C:\...\windows defender.exe:Zone.Identifier, ASCII 20->56 dropped 35 conhost.exe 20->35         started        78 Uses schtasks.exe or at.exe to add and modify task schedules 23->78 37 conhost.exe 23->37         started        39 schtasks.exe 1 23->39         started        41 conhost.exe 25->41         started        signatures8 process9 dnsIp10 64 www.carnetdechef.online 213.186.33.5, 49770, 80 OVHFR France 31->64 66 System process connects to network (likely due to code injection or exploit) 31->66 68 Uses netsh to modify the Windows network and firewall settings 31->68 43 netsh.exe 31->43         started        signatures11 process12 signatures13 88 Self deletion via cmd delete 43->88 90 Modifies the context of a thread in another process (thread injection) 43->90 92 Maps a DLL or memory area into another process 43->92 94 Tries to detect virtualization through RDTSC time measurements 43->94 46 cmd.exe 1 43->46         started        process14 process15 48 conhost.exe 46->48         started        process16 50 conhost.exe 48->50         started        52 schtasks.exe 1 48->52         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-05-12 17:29:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
45
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:vadq loader rat suricata
Behaviour
Creates scheduled task(s)
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
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
ac901749041cfb0297ec26a052604dc949f30cd9e460cc1a40c0c02baf39c322
MD5 hash:
342b052a01c54bae85f2ad0c86286bca
SHA1 hash:
cabc82986ec079cb0ef2d25613bd3b92f104c83f
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
b0c5c3efda2bcfa189ce5f5b94e1bf298eb712b0ad4e9573293a7883d54f4af9
MD5 hash:
73d92a5e3f3cc68f581431cda26ff26a
SHA1 hash:
a02d864f281eefb7cb67da411d43744000907c14
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:INDICATOR_EXE_Packed_Babel
Author:ditekSHen
Description:Detects executables packed with Babel
Rule name:INDICATOR_EXE_Packed_Dotfuscator
Author:ditekSHen
Description:Detects executables packed with Dotfuscator
Rule name:INDICATOR_EXE_Packed_dotNetProtector
Author:ditekSHen
Description:Detects executables packed with dotNetProtector
Rule name:INDICATOR_EXE_Packed_Goliath
Author:ditekSHen
Description:Detects executables packed with Goliath
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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.

  
Delivery method
Other

Comments