MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18ddfe83171175588f26871ec3ef350353a442db87edf97fb47748a08b739bb5. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments

SHA256 hash: 18ddfe83171175588f26871ec3ef350353a442db87edf97fb47748a08b739bb5
SHA3-384 hash: d7aac58ac816fd8f2a22fe176800b642eca063a4046ae92e1ce72b7357654f08cc9577d55326852028fcc73ed9fba40e
SHA1 hash: 7fc5028853f70acbfd0ab71ca41d0c10789c1364
MD5 hash: 1ff6941ab238cf81508b54d31fc5c283
humanhash: moon-colorado-mango-yellow
File name:PROJECT FEJ-1601.exe
Download: download sample
Signature Formbook
File size:1'083'904 bytes
First seen:2021-03-15 08:46:55 UTC
Last seen:2021-03-15 10:43:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:4kM+hfe2Zt4M9GFbfeydk6FRwamVMGN8kGQs:4Dae2ZtPGF7xqWyaLKR
Threatray 4'168 similar samples on MalwareBazaar
TLSH B535AE242AE9D059F3739D34D6E0EAFA84ABBE72DA07401710A57F6F333A7546C43126
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PROJECT FEJ-1601.exe
Verdict:
Malicious activity
Analysis date:
2021-03-15 08:51:45 UTC
Tags:
n/a

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

Behaviour
Creating a window
Sending a UDP request
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
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
PE file contains section with special chars
PE file has nameless sections
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 368578 Sample: PROJECT FEJ-1601.exe Startdate: 15/03/2021 Architecture: WINDOWS Score: 100 36 www.emagrecercomhiit.com 2->36 38 emagrecercomhiit.com 2->38 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 14 other signatures 2->48 11 PROJECT FEJ-1601.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\user\...\PROJECT FEJ-1601.exe.log, ASCII 11->28 dropped 14 PROJECT FEJ-1601.exe 11->14         started        process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 parmansercon.com 162.215.254.72, 49737, 80 PUBLIC-DOMAIN-REGISTRYUS United States 17->30 32 www.smarteryou6d7.club 17->32 34 3 other IPs or domains 17->34 40 System process connects to network (likely due to code injection or exploit) 17->40 21 mstsc.exe 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.Sonbokli
Status:
Malicious
First seen:
2021-03-15 02:44:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
41
AV detection:
12 of 47 (25.53%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.farrsideofleadership.com/ykj/
Unpacked files
SH256 hash:
2b43013edb5706a946f4e523a1a219b31fe2a7e05c48884c048882b3c1327655
MD5 hash:
b7159eb14fe565d4e233604b629bbd8a
SHA1 hash:
64f82c67e6c7cbc078141162a49bffcee3d9ebb9
SH256 hash:
18ddfe83171175588f26871ec3ef350353a442db87edf97fb47748a08b739bb5
MD5 hash:
1ff6941ab238cf81508b54d31fc5c283
SHA1 hash:
7fc5028853f70acbfd0ab71ca41d0c10789c1364
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

File information


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

Malspam

Formbook

Executable exe 18ddfe83171175588f26871ec3ef350353a442db87edf97fb47748a08b739bb5

(this sample)

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