MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9af7966457a612505ab014eabf6eb8e96a09bdc6b248816506271fc554473197. 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 3 File information Comments 1

SHA256 hash: 9af7966457a612505ab014eabf6eb8e96a09bdc6b248816506271fc554473197
SHA3-384 hash: d91eb56135a3a7f17be36ac5e0956cf6b27d04453efb6efa1382b9ee65c0315013529c6461c608a88d730e36170be41b
SHA1 hash: 9db7a4bbc3ecdf24e11a68df2b61567804ecc744
MD5 hash: f3080136e6cec934533cc70c0865c368
humanhash: connecticut-mountain-apart-foxtrot
File name:f3080136e6cec934533cc70c0865c368
Download: download sample
Signature Formbook
File size:752'128 bytes
First seen:2022-05-18 07:16:50 UTC
Last seen:2022-05-18 11:10:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:0b4jkCYTisZky2Oi0dzoKo/x1tembXMCRcLH9ZX:/YrTDkxOiaz1CxxcVDX
TLSH T1ADF412093A59CA3EC48406B5CDA7C3346675BC556E924B0372CEFFAF3BB56C4AA04748
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 69f0b6d4ecd469b2 (2 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
f3080136e6cec934533cc70c0865c368
Verdict:
Malicious activity
Analysis date:
2022-05-19 01:09:12 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
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Enabling autorun by creating a file
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
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Found malware configuration
Injects a PE file into a foreign processes
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 dropped file
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
Writes to foreign memory regions
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 629053 Sample: s6e99DKSiO Startdate: 18/05/2022 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 7 other signatures 2->44 9 s6e99DKSiO.exe 15 7 2->9         started        process3 dnsIp4 36 advanced-ms.ml 192.185.174.18, 49744, 80 UNIFIEDLAYER-AS-1US United States 9->36 32 C:\Users\user\AppData\Roaming\...ejybfz.exe, PE32 9->32 dropped 34 C:\Users\user\AppData\...\s6e99DKSiO.exe.log, ASCII 9->34 dropped 52 Creates an undocumented autostart registry key 9->52 54 Writes to foreign memory regions 9->54 56 Allocates memory in foreign processes 9->56 58 Injects a PE file into a foreign processes 9->58 14 MSBuild.exe 9->14         started        17 cmd.exe 1 9->17         started        file5 signatures6 process7 signatures8 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 2 other signatures 14->66 19 WWAHost.exe 14->19         started        22 explorer.exe 14->22 injected 24 conhost.exe 17->24         started        26 timeout.exe 1 17->26         started        process9 signatures10 46 Modifies the context of a thread in another process (thread injection) 19->46 48 Maps a DLL or memory area into another process 19->48 50 Tries to detect virtualization through RDTSC time measurements 19->50 28 cmd.exe 1 19->28         started        process11 process12 30 conhost.exe 28->30         started       
Threat name:
ByteCode-MSIL.Trojan.RealProtect
Status:
Malicious
First seen:
2022-05-18 07:17:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s4s9 rat spyware stealer suricata trojan
Behaviour
Delays execution with timeout.exe
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
9af7966457a612505ab014eabf6eb8e96a09bdc6b248816506271fc554473197
MD5 hash:
f3080136e6cec934533cc70c0865c368
SHA1 hash:
9db7a4bbc3ecdf24e11a68df2b61567804ecc744
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:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
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.

Web download

Formbook

Executable exe 9af7966457a612505ab014eabf6eb8e96a09bdc6b248816506271fc554473197

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-05-18 07:16:58 UTC

url : hxxp://192.210.240.32/m/ybc.exe