MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 754d0c2b1277e1c89a1220f33cdb795900b882bfb5b0fc003b1880e55c4fbec1. 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

SHA256 hash: 754d0c2b1277e1c89a1220f33cdb795900b882bfb5b0fc003b1880e55c4fbec1
SHA3-384 hash: d08d3e8a797608bcccfb8f39feb2a250757eb3621000c7d5d07231857396e5d30be7ff3b9ee36c51d5f239b00250f042
SHA1 hash: 8d0253a21fac63fd22754294a557374bfab61313
MD5 hash: 66d0afb38339002f2157a704f5ff7bd0
humanhash: georgia-nineteen-london-colorado
File name:66d0afb38339002f2157a704f5ff7bd0.exe
Download: download sample
Signature Formbook
File size:1'084'928 bytes
First seen:2021-12-16 08:54:59 UTC
Last seen:2021-12-16 11:18:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:ZHLt3mKwgMv11z0p83692V0WDK8V31finopRKKCfkLGG:H3mKwgMv1m8qK0W76opRKzIGG
Threatray 12'265 similar samples on MalwareBazaar
TLSH T1743523007BDDC80ADBA94F770722B0602630FA5F6662D39EBD8C52DE747B3854191B9B
File icon (PE):PE icon
dhash icon b3b3333969693b3b (69 x Formbook, 63 x AgentTesla, 26 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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
.NET source code contains potential unpacker
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
Self deletion via cmd delete
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 540839 Sample: xzeVpTyxJw.exe Startdate: 16/12/2021 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 10 other signatures 2->50 9 xzeVpTyxJw.exe 3 2->9         started        process3 file4 26 C:\Users\user\AppData\...\xzeVpTyxJw.exe.log, ASCII 9->26 dropped 52 Tries to detect virtualization through RDTSC time measurements 9->52 54 Injects a PE file into a foreign processes 9->54 13 xzeVpTyxJw.exe 9->13         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 13->56 58 Maps a DLL or memory area into another process 13->58 60 Sample uses process hollowing technique 13->60 62 Queues an APC in another process (thread injection) 13->62 16 rundll32.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 34 Self deletion via cmd delete 16->34 36 Modifies the context of a thread in another process (thread injection) 16->36 38 Maps a DLL or memory area into another process 16->38 40 Tries to detect virtualization through RDTSC time measurements 16->40 22 cmd.exe 1 16->22         started        28 mertradingbv.com 162.241.85.30, 49853, 80 OIS1US United States 19->28 30 pengmobilegame.com 172.96.191.121, 49878, 80 LEASEWEB-APAC-SIN-11LeasewebAsiaPacificpteltdSG Canada 19->30 32 9 other IPs or domains 19->32 42 System process connects to network (likely due to code injection or exploit) 19->42 signatures10 process11 process12 24 conhost.exe 22->24         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-16 02:58:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:c3f6 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
bc27845e1bfd4068a1e3d2734d32469574b0355c24bbc5e00bffd2f18e558348
MD5 hash:
0236ce1e6ea1ef36376de32be72593ef
SHA1 hash:
aa4b436dcbda5bbcbb002d2aa82f9ccf15d89e90
SH256 hash:
e0084dc966cde73684bf17440a6f8585c399b12e204512e0674ee4e0c2994fd7
MD5 hash:
6b75c5d6dbe7e05cde9bf5de4a916bba
SHA1 hash:
0bfad56382c341b0a75214c94ff075c4e922dc85
SH256 hash:
754d0c2b1277e1c89a1220f33cdb795900b882bfb5b0fc003b1880e55c4fbec1
MD5 hash:
66d0afb38339002f2157a704f5ff7bd0
SHA1 hash:
8d0253a21fac63fd22754294a557374bfab61313
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: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 754d0c2b1277e1c89a1220f33cdb795900b882bfb5b0fc003b1880e55c4fbec1

(this sample)

  
Delivery method
Distributed via web download

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