MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c8cdc3745711d1054704b8663828b005aa7a66535b0004c0364bc5cff832ddc. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 5c8cdc3745711d1054704b8663828b005aa7a66535b0004c0364bc5cff832ddc
SHA3-384 hash: 6acbe98eb9788481eb2e5883c44de890942f64c55945a7147ac292a6666ca7a266e97fc330181847b2bf268816df1f24
SHA1 hash: 243a88cc0d31b588dd15ef583e08d569b80b1684
MD5 hash: 57ba8f73725ba9eaa988eec85adcaf69
humanhash: alanine-march-winter-artist
File name:SecuriteInfo.com.W32.AIDetectNet.01.15987.17486
Download: download sample
Signature Formbook
File size:732'672 bytes
First seen:2022-05-27 08:42:35 UTC
Last seen:2022-05-30 07:04:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:kCcq2e9bHoAUbvqVCGr6x75H06LJKxAsUS6sRAq+ysONvzLz9JDGgP:foibHotGriH0q7sU1s+q+y3NvT9
TLSH T1C5F40104B6F81B22E67993FE957461C007B1BE952520E34E1DC279DB36B1F928E81F1B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon c066e276b4c470a4 (18 x AgentTesla, 10 x Formbook, 2 x Loki)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
287
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.15987.17486
Verdict:
Malicious activity
Analysis date:
2022-05-27 08:47:24 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
Launching a process
Creating a file
Launching cmd.exe command interpreter
Creating a window
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed wacatac
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
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
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 635022 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 27/05/2022 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 6 other signatures 2->40 10 SecuriteInfo.com.W32.AIDetectNet.01.15987.exe 3 2->10         started        process3 file4 30 SecuriteInfo.com.W...et.01.15987.exe.log, ASCII 10->30 dropped 50 Writes to foreign memory regions 10->50 52 Injects a PE file into a foreign processes 10->52 14 RegSvcs.exe 10->14         started        17 RegSvcs.exe 10->17         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 19 explorer.exe 14->19 injected 62 Tries to detect virtualization through RDTSC time measurements 17->62 process8 dnsIp9 32 www.fetchmetals.com 185.83.214.222, 49725, 80 ANONYMIZEEpikNetworkCH Portugal 19->32 42 System process connects to network (likely due to code injection or exploit) 19->42 23 wscript.exe 19->23         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 23->44 46 Maps a DLL or memory area into another process 23->46 48 Tries to detect virtualization through RDTSC time measurements 23->48 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-27 07:43:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:a11e rat spyware stealer suricata trojan
Behaviour
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
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
742bfb49cf3904931ce87b810106611867a6b4b7a8d69f308e21d9d221365b3d
MD5 hash:
81cf021b05eebb622775151dc87f2aa1
SHA1 hash:
480c103ac6e66fe00b488d286832dc89eee088a6
SH256 hash:
649cded927ef756795164f4b13bd3ec2e4cc4b3d945761c580e445f8f247c3e9
MD5 hash:
0f8bf0b3bca502f1d63a834055696e3a
SHA1 hash:
408e5237baed730da89465873750e355d5a48a38
SH256 hash:
20ad55906639c1f46710e9d9b3cef74cb59d91f3b836ab45304622c9e8ed4572
MD5 hash:
cdbaa1e081df53c665c41eb11a950d1d
SHA1 hash:
23e9b05d37e6d512e38fa825723daf3c5db9957a
SH256 hash:
5c8cdc3745711d1054704b8663828b005aa7a66535b0004c0364bc5cff832ddc
MD5 hash:
57ba8f73725ba9eaa988eec85adcaf69
SHA1 hash:
243a88cc0d31b588dd15ef583e08d569b80b1684
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.

Comments