MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 285e772a15413afa15e86632327faebaa56ff23d0ca19249c228b2d531e19f96. 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: 18


Intelligence 18 IOCs YARA File information Comments 1

SHA256 hash: 285e772a15413afa15e86632327faebaa56ff23d0ca19249c228b2d531e19f96
SHA3-384 hash: d81fe04e3a09a50ee702d7a352b43b16331fe69300e34bf31ee232771167d04ff9152701316a3553a1960cc2976a2f62
SHA1 hash: e09f8065342a4c8664148bec4b0d9265e7e5842a
MD5 hash: 6f111b596da1ac7d71c4362b18309648
humanhash: salami-virginia-kitten-glucose
File name:6f111b596da1ac7d71c4362b18309648
Download: download sample
Signature Formbook
File size:219'317 bytes
First seen:2022-05-05 05:56:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (326 x Formbook, 222 x Loki, 140 x GuLoader)
ssdeep 6144:HNeZmLfHg6+reKq0Uzme51aUUTzC92gBE:HNlLvX+12auAVTzhg+
Threatray 15'266 similar samples on MalwareBazaar
TLSH T14F2412543A64C4B2D6A347722A7D43BF6B5FE21320A44B5F33182E98BD31781DA4E726
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (1'243 x Formbook, 766 x Loki, 246 x AgentTesla)
Reporter @zbetcheckin
Tags:32 exe FormBook trojan

Intelligence


File Origin
# of uploads :
1
# of downloads :
1'096
Origin country :
DE DE
Mail intelligence
No data
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
MTSWIFT_732013817361_861736482_941834_PDF.xlsx
Verdict:
Malicious activity
Analysis date:
2022-05-05 05:22:36 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader formbook trojan stealer

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

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
–°reating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Gathering data
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 620777 Sample: dK0SRzWoPq Startdate: 05/05/2022 Architecture: WINDOWS Score: 100 36 www.baigouw.com 2->36 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 4 other signatures 2->54 12 dK0SRzWoPq.exe 18 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\Temp\pkypr.exe, PE32 12->34 dropped 15 pkypr.exe 12->15         started        process6 signatures7 64 Antivirus detection for dropped file 15->64 66 Multi AV Scanner detection for dropped file 15->66 68 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->68 70 2 other signatures 15->70 18 pkypr.exe 15->18         started        process8 signatures9 40 Modifies the context of a thread in another process (thread injection) 18->40 42 Maps a DLL or memory area into another process 18->42 44 Sample uses process hollowing technique 18->44 46 Queues an APC in another process (thread injection) 18->46 21 explorer.exe 18->21 injected process10 dnsIp11 38 www.xianzyw.com 21->38 56 System process connects to network (likely due to code injection or exploit) 21->56 25 mstsc.exe 21->25         started        28 autoconv.exe 21->28         started        signatures12 process13 signatures14 58 Modifies the context of a thread in another process (thread injection) 25->58 60 Maps a DLL or memory area into another process 25->60 62 Tries to detect virtualization through RDTSC time measurements 25->62 30 cmd.exe 1 25->30         started        process15 process16 32 conhost.exe 30->32         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-05-04 23:17:31 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:m0d4 rat spyware stealer suricata trojan
Behaviour
Modifies registry class
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
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
0d80d1dc48ebf5ef6ac31a77c29eab93c31f0847af319480fab2b2a1455bd882
MD5 hash:
c6a99b2a7630e57f5e116700293ead89
SHA1 hash:
5f78751da617728d8c83b2badca4f08d4a044418
SH256 hash:
99b049d5615612c79da226823c3b8d173e66e73bb1c99d0215282274685162ed
MD5 hash:
087998162f8fbd6e48cc5ab45be63449
SHA1 hash:
42a743c81b789eaf9b3283ffa8adbb90a4519362
SH256 hash:
24aa4c4379956dec92396685eac1af157af242a4a29fdd5e615409c608e2d9a1
MD5 hash:
8cea7581508003c92f27c047a50cfc53
SHA1 hash:
3c04ab3b1cefea79e066c7915b3f71614ebd7183
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
285e772a15413afa15e86632327faebaa56ff23d0ca19249c228b2d531e19f96
MD5 hash:
6f111b596da1ac7d71c4362b18309648
SHA1 hash:
e09f8065342a4c8664148bec4b0d9265e7e5842a

File information


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

Web download

Formbook

Executable exe 285e772a15413afa15e86632327faebaa56ff23d0ca19249c228b2d531e19f96

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-05-05 05:56:29 UTC

url : hxxp://103.207.39.170/try/fdz.exe