MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 571890d2bedd6cc0cdf6cccc2e6fc4e19c7489adc30328c24d21e3631d24661e. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: 571890d2bedd6cc0cdf6cccc2e6fc4e19c7489adc30328c24d21e3631d24661e
SHA3-384 hash: ea8b8429f96d582b9b02acb14f5b11c6c1baac96a99304d0fb4c8c078584ad962d3e346de3fd744129da67471018186b
SHA1 hash: 674357cff08015d1afa76df35bb3c816a63ddf23
MD5 hash: 2a86cd3c0f52f11b0f3f89a6c9ee472a
humanhash: seven-hotel-undress-pasta
File name:2a86cd3c0f52f11b0f3f89a6c9ee472a.exe
Download: download sample
Signature Formbook
File size:675'328 bytes
First seen:2023-07-12 07:01:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:4kmMV7tcYuA0E+b/C8dEVprsqXe7QwaoXwn+8KBwp1NcXzXafp:Rm0KAoCVprZXe7qognOb
Threatray 3'384 similar samples on MalwareBazaar
TLSH T12AE4BDC2E1BAE6D7D92432B9244455082E387FC13461F2A48C7A71F276F5B4833976BE
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 9e9d9de76713fcf8 (1 x Formbook, 1 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
269
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
fdd8c54cb9c4249532e2e00910c8ff36.rtf
Verdict:
Malicious activity
Analysis date:
2023-07-12 06:18:56 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader 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
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot packed
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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Snort IDS alert for network traffic
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 signatures2 2 Behavior Graph ID: 1271497 Sample: lUyAAoxMiJ.exe Startdate: 12/07/2023 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 6 other signatures 2->46 10 lUyAAoxMiJ.exe 4 2->10         started        process3 file4 32 C:\Users\user\AppData\...\lUyAAoxMiJ.exe.log, ASCII 10->32 dropped 56 Adds a directory exclusion to Windows Defender 10->56 58 Tries to detect virtualization through RDTSC time measurements 10->58 14 lUyAAoxMiJ.exe 10->14         started        17 powershell.exe 21 10->17         started        signatures5 process6 signatures7 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 Queues an APC in another process (thread injection) 14->66 19 explorer.exe 1 1 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 34 mh-bigdeli.github.io 185.199.110.153, 49700, 80 FASTLYUS Netherlands 19->34 36 www.bearshelpingbabies.com 188.114.96.7, 49699, 80 CLOUDFLARENETUS European Union 19->36 38 2 other IPs or domains 19->38 48 System process connects to network (likely due to code injection or exploit) 19->48 25 msdt.exe 19->25         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 25->50 52 Maps a DLL or memory area into another process 25->52 54 Tries to detect virtualization through RDTSC time measurements 25->54 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-07-11 07:39:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:mf6w rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
f6dc804f65e15005b4c5607b65de5479b62306655575ac2c7bd262fa85aca3a6
MD5 hash:
ccdfa399ec9a5613251ae95ccb8bbb9e
SHA1 hash:
dfb09b43e294e598d0af49f2f3ff806c5e210756
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
SH256 hash:
2533d367f9ac30872666f71c6c786ddf9c1a60e24e07dfbc015d1640c5882743
MD5 hash:
8f43f2be0d3afe4c94a76594f04a9735
SHA1 hash:
6ab89fc9c930c99412593c7237baccc90f8c4c5b
SH256 hash:
571890d2bedd6cc0cdf6cccc2e6fc4e19c7489adc30328c24d21e3631d24661e
MD5 hash:
2a86cd3c0f52f11b0f3f89a6c9ee472a
SHA1 hash:
674357cff08015d1afa76df35bb3c816a63ddf23
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.

Web download

Formbook

Executable exe 571890d2bedd6cc0cdf6cccc2e6fc4e19c7489adc30328c24d21e3631d24661e

(this sample)

  
Delivery method
Distributed via web download

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