MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef19177bdff9d49a09dd7010e58fd81029d5f8e2d54abb053575604c2fc219ed. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: ef19177bdff9d49a09dd7010e58fd81029d5f8e2d54abb053575604c2fc219ed
SHA3-384 hash: c3e28e31cd207c5079f28d52f5d07ab9a9ce11dab38f7190c7053fee1d7d6ec9fbd4af82056e057e5992b5da4a9897b9
SHA1 hash: 6c7c41ecc3434a1a3b5db4b3faee57fe4def0a11
MD5 hash: 0cf0c13caa0c7510a20bd93e7749def4
humanhash: west-black-sink-lake
File name:uba.exe
Download: download sample
Signature Formbook
File size:476'672 bytes
First seen:2020-09-03 13:53:00 UTC
Last seen:2020-09-03 16:45:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:LXvxgQPHCEflBzdkXUIlhBh7hTHlcD3je3dXED8olFHXZ4nYJSXxKu5NON5w0js:LXvxgQxNBzdkVhrFTHlM3MqJXGXPM5j
Threatray 2'249 similar samples on MalwareBazaar
TLSH 85A4BF75A7A56725F53AF3FB0023879C07F29142E376EA0CEE9411C41686F968673BC2
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Benign windows process drops PE files
Detected FormBook malware
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
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 281579 Sample: uba.exe Startdate: 03/09/2020 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 5 other signatures 2->54 10 uba.exe 3 2->10         started        process3 file4 40 C:\Users\user\AppData\Local\...\uba.exe.log, ASCII 10->40 dropped 68 Writes to foreign memory regions 10->68 70 Allocates memory in foreign processes 10->70 72 Injects a PE file into a foreign processes 10->72 14 RegSvcs.exe 10->14         started        signatures5 process6 signatures7 74 Modifies the context of a thread in another process (thread injection) 14->74 76 Maps a DLL or memory area into another process 14->76 78 Sample uses process hollowing technique 14->78 80 2 other signatures 14->80 17 explorer.exe 1 6 14->17 injected process8 dnsIp9 42 whiskerley.com 34.102.136.180, 49736, 80 GOOGLEUS United States 17->42 44 www.foodtruthamerica.info 208.91.197.91, 49741, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 17->44 46 2 other IPs or domains 17->46 34 C:\Users\user\AppData\Local\...\f60dr43d.exe, PE32 17->34 dropped 56 System process connects to network (likely due to code injection or exploit) 17->56 58 Benign windows process drops PE files 17->58 22 systray.exe 1 17 17->22         started        26 f60dr43d.exe 2 17->26         started        file10 signatures11 process12 file13 36 C:\Users\user\AppData\...\-7Ologrv.ini, data 22->36 dropped 38 C:\Users\user\AppData\...\-7Ologri.ini, data 22->38 dropped 60 Detected FormBook malware 22->60 62 Tries to steal Mail credentials (via file access) 22->62 64 Tries to harvest and steal browser information (history, passwords, etc) 22->64 66 3 other signatures 22->66 28 cmd.exe 1 22->28         started        30 conhost.exe 26->30         started        signatures14 process15 process16 32 conhost.exe 28->32         started       
Threat name:
ByteCode-MSIL.Trojan.NanoBot
Status:
Malicious
First seen:
2020-09-03 13:52:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments