MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0c3748f23fb4ade0edb0e497f0f39adc528cec04ac7530e15e3f5baad6b69567. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments 1

SHA256 hash: 0c3748f23fb4ade0edb0e497f0f39adc528cec04ac7530e15e3f5baad6b69567
SHA3-384 hash: 119de6cab9e2b2685fdc3a874757b87e68e832b8251c2423fc653253229ee828a242da3089010cc3d24a89bd03701459
SHA1 hash: 0ae9a9404f7836e94d6f4099b00dab766c69e0bc
MD5 hash: 998a7a8336338d87419ff23e04c54de7
humanhash: five-johnny-emma-alanine
File name:Nepodmireni racuni.exe
Download: download sample
Signature FormBook
File size:975'872 bytes
First seen:2021-05-17 20:12:08 UTC
Last seen:2021-05-17 20:37:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c94f50af201763db6490061394abc384 (1 x FormBook)
ssdeep 12288:Pkg3UovZ5r7f0IfggMvlgDjNSwQUe7vUzBjpu08eiQ6qR66nIF:cc/f0If2lkIFTk8eilqR66
Threatray 5'227 similar samples on MalwareBazaar
TLSH 9C259DF2B2D04476D12F1B741A1BA6704A267F157A58297567F83D8C8FBA2D02C3B18F
Reporter TeamDreier
Tags:FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Nepodmireni racuni.exe
Verdict:
No threats detected
Analysis date:
2021-05-17 20:24:27 UTC
Tags:
installer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
DNS request
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
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.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Detected FormBook malware
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
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 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 FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 416144 Sample: Nepodmireni racuni.exe Startdate: 17/05/2021 Architecture: WINDOWS Score: 100 39 www.yoghurtberry.com 2->39 41 clientconfig.passport.net 2->41 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 4 other signatures 2->57 11 Nepodmireni racuni.exe 17 2->11         started        signatures3 process4 dnsIp5 49 cdn.discordapp.com 162.159.130.233, 443, 49714, 49715 CLOUDFLARENETUS United States 11->49 71 Writes to foreign memory regions 11->71 73 Allocates memory in foreign processes 11->73 75 Creates a thread in another existing process (thread injection) 11->75 77 Injects a PE file into a foreign processes 11->77 15 dialer.exe 11->15         started        signatures6 process7 signatures8 79 Modifies the context of a thread in another process (thread injection) 15->79 81 Maps a DLL or memory area into another process 15->81 83 Sample uses process hollowing technique 15->83 85 2 other signatures 15->85 18 explorer.exe 15->18 injected process9 dnsIp10 43 www.whatsnexttnd.com 18->43 45 www.dunaemmetmobility.com 18->45 47 whatsnexttnd.com 34.102.136.180, 49744, 80 GOOGLEUS United States 18->47 59 System process connects to network (likely due to code injection or exploit) 18->59 22 help.exe 1 18 18->22         started        signatures11 process12 file13 35 C:\Users\user\AppData\...\8LOlogrv.ini, data 22->35 dropped 37 C:\Users\user\AppData\...\8LOlogri.ini, data 22->37 dropped 61 Detected FormBook malware 22->61 63 Creates an undocumented autostart registry key 22->63 65 Tries to steal Mail credentials (via file access) 22->65 67 4 other signatures 22->67 26 cmd.exe 2 22->26         started        29 cmd.exe 1 22->29         started        signatures14 process15 signatures16 69 Tries to harvest and steal browser information (history, passwords, etc) 26->69 31 conhost.exe 26->31         started        33 conhost.exe 29->33         started        process17
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2021-05-17 09:25:04 UTC
AV detection:
31 of 47 (65.96%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
Enumerates connected drives
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_DLAgent07
Author:ditekSHen
Description:Detects delf downloader agent

File information


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

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-17 21:05:30 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.025] Anti-Behavioral Analysis::Software Breakpoints
1) [B0001.032] Anti-Behavioral Analysis::Timing/Delay Check GetTickCount
2) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
3) [B0012.001] Anti-Static Analysis::Argument Obfuscation
4) [F0002.002] Collection::Polling
6) [C0026.002] Data Micro-objective::XOR::Encode Data
8) [C0047] File System Micro-objective::Delete File
9) [C0051] File System Micro-objective::Read File
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0007] Memory Micro-objective::Allocate Memory
13) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
14) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
15) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
16) [C0038] Process Micro-objective::Create Thread
17) [C0041] Process Micro-objective::Set Thread Local Storage Value
18) [C0018] Process Micro-objective::Terminate Process