MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d70081accf4af57ec864124e5b0efeabf78d057fa64941e55bfc8fc5b79b66f9. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: d70081accf4af57ec864124e5b0efeabf78d057fa64941e55bfc8fc5b79b66f9
SHA3-384 hash: 24546d394f92a121b0925c43b04ad4ccff3dd1a58dd5fdbd360d01d5da04d93c45bd053339bbe4a49c9a7350552d3bc3
SHA1 hash: 82e6948a601051dd5902ec608cc00c0bfd04c635
MD5 hash: 7ed12f059e6d292dfb7770d8b8077b09
humanhash: white-virginia-football-hot
File name:Detalles del banco.pdf.z.exe
Download: download sample
Signature Formbook
File size:768'000 bytes
First seen:2022-02-17 12:06:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:CRPYqnx5Vkoyfx6NMK0BhHTTPdBeV9tQ1NurDqPPfDey99w1dA/Xncf8oEo:CkZCMKmpTM9tQes/99ydoMUo
Threatray 13'503 similar samples on MalwareBazaar
TLSH T17FF4AF5631EF1056C3A2EBF60FD8BCBF86AAF177120E313A32916B5687769409D02771
Reporter pr0xylife
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
222
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:
black 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
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found 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
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 574028 Sample: Detalles del banco.pdf.z.exe Startdate: 17/02/2022 Architecture: WINDOWS Score: 100 32 www.manukaoral.com 2->32 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 12 other signatures 2->48 11 Detalles del banco.pdf.z.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\...\Detalles del banco.pdf.z.exe.log, ASCII 11->30 dropped 60 Self deletion via cmd delete 11->60 62 Injects a PE file into a foreign processes 11->62 15 Detalles del banco.pdf.z.exe 11->15         started        signatures6 process7 signatures8 64 Modifies the context of a thread in another process (thread injection) 15->64 66 Maps a DLL or memory area into another process 15->66 68 Sample uses process hollowing technique 15->68 70 Queues an APC in another process (thread injection) 15->70 18 explorer.exe 15->18 injected process9 dnsIp10 34 www.jomeditation.com 213.186.33.5, 49830, 80 OVHFR France 18->34 36 www.etsousmanembengue.com 91.136.8.128, 49801, 80 INFB-AS9115GB United Kingdom 18->36 38 4 other IPs or domains 18->38 50 System process connects to network (likely due to code injection or exploit) 18->50 22 cmmon32.exe 12 18->22         started        signatures11 process12 dnsIp13 40 www.zzwwy.com 22->40 52 Self deletion via cmd delete 22->52 54 Modifies the context of a thread in another process (thread injection) 22->54 56 Maps a DLL or memory area into another process 22->56 58 Tries to detect virtualization through RDTSC time measurements 22->58 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-17 12:06:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:n5cd loader rat suricata
Behaviour
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 Windows directory
Suspicious use of SetThreadContext
Deletes itself
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
0caee1c81b6134239bdf77226a42e6b79844141ace79e86b2893dad3a1e2c42f
MD5 hash:
2a46fd1551462056db1f57be9806a614
SHA1 hash:
c64ccd9d8428c6fd23aa451b0b469f8a5063d9ba
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
4cf618160bf706fa0b340b3dbb0b0344fa4c66121c9044593fa284fd130d3bad
MD5 hash:
81dad491faabe8358bf0439b08c39abc
SHA1 hash:
2cf2890f4bc5ee8ee01d8b77d8fe51521f2eba62
SH256 hash:
7b80a2c7265217bd995bf1f2e744faf4e53e35e833868d0d3bdbd341db35af50
MD5 hash:
1bda096df8757e97a494899ff6db8efb
SHA1 hash:
15c27390a93051dd890757b6e1834c8939b8ed31
SH256 hash:
326f4da2a227dab86b9d762d7f82516fe041001cd7fd5040cd420060adeba74f
MD5 hash:
c90f1eb407726729b4eec0cecae18a68
SHA1 hash:
0dce5259485da255f9a4a2e55d4cd0febaaf9fc8
SH256 hash:
d70081accf4af57ec864124e5b0efeabf78d057fa64941e55bfc8fc5b79b66f9
MD5 hash:
7ed12f059e6d292dfb7770d8b8077b09
SHA1 hash:
82e6948a601051dd5902ec608cc00c0bfd04c635
Malware family:
XLoader
Verdict:
Malicious
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