MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d7fb7846545905a86a059da93c28f6f14a12b4ff9148b801f7238e75d75036c7. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: d7fb7846545905a86a059da93c28f6f14a12b4ff9148b801f7238e75d75036c7
SHA3-384 hash: ae44a5baa5ac7e2892467bff5049d37be057d58a866d51ec3b13a4ccabd7de3536fb6caa7be8d778e16a53f865070f34
SHA1 hash: e79e370fd83cc07ffbed5b92230fa68481d5d015
MD5 hash: a738c06692ebc816baeb5fe030713676
humanhash: potato-fix-kitten-happy
File name:file001364061.bat
Download: download sample
Signature Formbook
File size:44'032 bytes
First seen:2022-04-06 15:20:26 UTC
Last seen:2022-04-07 05:54:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 192:LjkuY2aruOn/dTYshd+bKAlL0EgmSQgPVuYzkf92YoRXtU+8:GAO/dTYsGbvyE1EVbk92YUtU+
Threatray 14'633 similar samples on MalwareBazaar
TLSH T17A131A17BB94BE77EB6A06370C7382050335EF569413873EA6DC522A6D633444AF7631
File icon (PE):PE icon
dhash icon 004028d7da240000 (4 x SnakeKeylogger, 3 x AgentTesla, 2 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file001364061.bat
Verdict:
Suspicious activity
Analysis date:
2022-04-07 09:03:02 UTC
Tags:
n/a

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
Сreating synchronization primitives
Sending an HTTP GET request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
C2 URLs / IPs found in malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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 Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 604103 Sample: file001364061.bat Startdate: 06/04/2022 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 9 other signatures 2->43 10 file001364061.exe 15 4 2->10         started        process3 dnsIp4 35 43.204.24.26, 49764, 80 LILLY-ASUS Japan 10->35 33 C:\Users\user\...\file001364061.exe.log, ASCII 10->33 dropped 53 Tries to detect virtualization through RDTSC time measurements 10->53 55 Injects a PE file into a foreign processes 10->55 15 file001364061.exe 10->15         started        18 cmd.exe 1 10->18         started        file5 signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 20 explorer.exe 15->20 injected 22 conhost.exe 18->22         started        24 timeout.exe 1 18->24         started        process9 process10 26 svchost.exe 20->26         started        signatures11 45 Self deletion via cmd delete 26->45 47 Modifies the context of a thread in another process (thread injection) 26->47 49 Maps a DLL or memory area into another process 26->49 51 Tries to detect virtualization through RDTSC time measurements 26->51 29 cmd.exe 1 26->29         started        process12 process13 31 conhost.exe 29->31         started       
Threat name:
ByteCode-MSIL.Trojan.SpyNoon
Status:
Malicious
First seen:
2022-04-06 15:21:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:tu46 rat spyware stealer suricata trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
d7fb7846545905a86a059da93c28f6f14a12b4ff9148b801f7238e75d75036c7
MD5 hash:
a738c06692ebc816baeb5fe030713676
SHA1 hash:
e79e370fd83cc07ffbed5b92230fa68481d5d015
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.

Malspam

Formbook

Executable exe d7fb7846545905a86a059da93c28f6f14a12b4ff9148b801f7238e75d75036c7

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments