MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb4322da889f2758a7fc73006201e1fe91f79f1a60711c32f771e0217d2ccae7. 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: cb4322da889f2758a7fc73006201e1fe91f79f1a60711c32f771e0217d2ccae7
SHA3-384 hash: bf5515aa4ccd7840c02a4e102d604f7fb30fdee4ee30e466c7abadd133d165e08c857662556f0dafe7b02c46c83960bf
SHA1 hash: 2fe5cd73680a927a9f70cb85c23917ece323b820
MD5 hash: 5db315f594a690fde9272aca316f898f
humanhash: blue-glucose-tennis-eight
File name:Detalles_del_banco_pdf.exe
Download: download sample
Signature Formbook
File size:1'103'872 bytes
First seen:2022-10-12 18:26:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:TupUdQl5Qz2eNpHr+YQnKEDM6iEI2S23aNiBPa26aicOGmGhdFGAVI7mhsdA:TuwNz2gT+ZI6nGNwPa2XY3Gh7PNYA
TLSH T11F355A7636958912D1593236C4C3D1B327FA9E406116D2C72EC72FAFBC063BBA55238B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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 sandboxes and other dynamic analysis tools (process name or module or function)
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: 721684 Sample: Detalles_del_banco_pdf.exe Startdate: 12/10/2022 Architecture: WINDOWS Score: 100 29 www.liveuniversal.club 2->29 31 liveuniversal.club 2->31 35 Snort IDS alert for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 7 other signatures 2->41 9 Detalles_del_banco_pdf.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\...\Detalles_del_banco_pdf.exe.log, ASCII 9->23 dropped 51 Injects a PE file into a foreign processes 9->51 13 Detalles_del_banco_pdf.exe 9->13         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 explorer.exe 13->16 injected process9 dnsIp10 25 wingsuitwiley.com 172.96.191.161, 49696, 80 LEASEWEB-APAC-SIN-11LeasewebAsiaPacificpteltdSG Canada 16->25 27 www.wingsuitwiley.com 16->27 33 System process connects to network (likely due to code injection or exploit) 16->33 20 cmmon32.exe 13 16->20         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 20->43 45 Tries to harvest and steal browser information (history, passwords, etc) 20->45 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-10-12 16:31:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:mvug rat spyware stealer 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
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3e65bc757ea15389dccc6f91e9f11a4a13fb9caa0461c338681f354a64e6f43e
MD5 hash:
0feae74089a18a7d02bb95f862ea65d3
SHA1 hash:
d8eaccb9076d07ad7dfd4c84ab6c0d78bce342ea
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
85d82fb769dd6034ae6155f48735250fff196479556a9c4a6292597157b70181
MD5 hash:
0afeabf8f2b91d41e3c02eaeaeca3091
SHA1 hash:
8268abee57fe8caaf2db777de870903b9323b820
SH256 hash:
af7ac1171b44c9a949ad80bfaf05095048d0b74cfb527f66479e22f47d340110
MD5 hash:
f696dc0e00cb8f70799ac3fcaa5f9f6a
SHA1 hash:
cde2283de5b89639ea52f6388feef8f77efc63ce
SH256 hash:
8b74969452cb515da0303737419cdd9f836d71c413ef24eb8d69b409e2d0894e
MD5 hash:
117954e74e02270e5298b007560cc1bd
SHA1 hash:
acbadbc13092ff5cf3d760dc292e29ff0f6a4e20
SH256 hash:
fbae0f070e81455426f747d34bf5ac23f7cc2f0809945fbdded03c4840b0a5a2
MD5 hash:
8ebcfd7662657e20b106f8c152e6a2ab
SHA1 hash:
8542dab407dd991c25227febb0a276c4cb37ff91
SH256 hash:
e38f489bdf78db4426744a180c9cb6358e902837146040f3096ce4e1e317de62
MD5 hash:
8b12e46138a9909e148670bc903d0b1b
SHA1 hash:
5f2fff3ae3c445297185aa8ef01a9e509c424253
SH256 hash:
cb4322da889f2758a7fc73006201e1fe91f79f1a60711c32f771e0217d2ccae7
MD5 hash:
5db315f594a690fde9272aca316f898f
SHA1 hash:
2fe5cd73680a927a9f70cb85c23917ece323b820
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