MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f11b64aebcf22ad61d091223517bb34a45726674691ec02bf36ca36b6de83df9. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: f11b64aebcf22ad61d091223517bb34a45726674691ec02bf36ca36b6de83df9
SHA3-384 hash: 22c5feeead0217c2aced0d5c59b85aab5f57b2ec34a17fd5d6796961e5e53890ea42c4e5c136cea5015ffbe73d31f7a8
SHA1 hash: 052fd9cb4ec40f0e512c8a84e674d307be71c5ff
MD5 hash: fd053d5c33cd94b52246c44bee1bf9b7
humanhash: montana-winner-river-black
File name:PI160256.exe
Download: download sample
Signature Formbook
File size:197'112 bytes
First seen:2022-04-30 05:14:52 UTC
Last seen:2022-04-30 05:36:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:HNeZmiSRaHizECTU4QpDV0Y2gonPeookrEvh9GdJx:HNlPqAf44QVx2XnPHgSdT
TLSH T17514020C6264C9A3E5A317721D7F57A26A9EE41120692B9F17B06F5C3D33AC26C2F353
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
283
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PI160256.exe
Verdict:
Malicious activity
Analysis date:
2022-04-30 05:15:19 UTC
Tags:
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
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe formbook overlay packed python 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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
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)
Multi AV Scanner detection for domain / URL
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
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 618359 Sample: PI160256.exe Startdate: 30/04/2022 Architecture: WINDOWS Score: 100 37 www.doitlive.online 2->37 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Found malware configuration 2->53 55 6 other signatures 2->55 12 PI160256.exe 18 2->12         started        signatures3 process4 file5 35 C:\Users\user\AppData\Local\Temp\spoyy.exe, PE32 12->35 dropped 15 spoyy.exe 12->15         started        process6 signatures7 63 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->63 65 Tries to detect virtualization through RDTSC time measurements 15->65 67 Injects a PE file into a foreign processes 15->67 18 spoyy.exe 15->18         started        process8 signatures9 41 Modifies the context of a thread in another process (thread injection) 18->41 43 Maps a DLL or memory area into another process 18->43 45 Sample uses process hollowing technique 18->45 47 Queues an APC in another process (thread injection) 18->47 21 explorer.exe 18->21 injected process10 process11 23 rundll32.exe 21->23         started        signatures12 57 Modifies the context of a thread in another process (thread injection) 23->57 59 Maps a DLL or memory area into another process 23->59 61 Tries to detect virtualization through RDTSC time measurements 23->61 26 explorer.exe 2 151 23->26         started        29 cmd.exe 1 23->29         started        31 explorer.exe 1 127 23->31         started        process13 dnsIp14 39 192.168.2.1 unknown unknown 26->39 33 conhost.exe 29->33         started        process15
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-04-30 05:15:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:3e9r loader rat suricata
Behaviour
Gathers network information
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
Blocklisted process makes network request
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
f3676ce5fdcf3c851834336dda7b38ad174644b0a794234a0f1d2e55512f7176
MD5 hash:
8bf113bc6b32cd9f8b2465345612f7c6
SHA1 hash:
7932224cfcf575bb73a586a4738cc0f2aeae86fd
Detections:
win_formbook_g0 win_formbook_auto
Parent samples :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 hash:
cf27d97315d060cecb6f65a8744369ecb71d7a567bcab3c37e0398cc8ef00ad6
MD5 hash:
54f0a885fabfc842e853e1010590b173
SHA1 hash:
dbdc69b997ef60aaa3b783ab47227d77fc894cfe
SH256 hash:
4b8941b16088881146ec2743c3eea73484d6d52cd312523ac61f525f0bf77987
MD5 hash:
ecedbb615da2ca5ba3a53eecddf6d9a1
SHA1 hash:
f7337d6d2d0a16d4acac88b948f9feed6a8ac681
SH256 hash:
f11b64aebcf22ad61d091223517bb34a45726674691ec02bf36ca36b6de83df9
MD5 hash:
fd053d5c33cd94b52246c44bee1bf9b7
SHA1 hash:
052fd9cb4ec40f0e512c8a84e674d307be71c5ff
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: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.

Malspam

Formbook

Executable exe f11b64aebcf22ad61d091223517bb34a45726674691ec02bf36ca36b6de83df9

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments