MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fea8c05a548a56d2700b88a783a8948635148503e7d7f2b3da909b792df7979f. 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
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SHA256 hash: fea8c05a548a56d2700b88a783a8948635148503e7d7f2b3da909b792df7979f
SHA3-384 hash: 6874b5698bd902dea8395dd94b2891572799a7e07df404d58a8ed4f2eb232b4c8cb99ed2de77b3f5d17d006579ecd5f8
SHA1 hash: 93b16ce706aef739d89a41e853eb48f92da2b0fe
MD5 hash: 3e13265fb0241133e27ae57793bcd375
humanhash: music-july-summer-lion
File name:Proforma Invoice-1.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:525'824 bytes
First seen:2020-09-17 12:35:37 UTC
Last seen:2020-09-17 13:44:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:mbL3Y6BTYSv2zv1g5cHE1YGQckuyr7wHPzCc/bSHTj6bNJ:mf3ho25PKG3s0HsHoN
Threatray 24 similar samples on MalwareBazaar
TLSH 5AB4BE222254BFB2E03C977D4019111297F3D95BE73BFB6A7CDA40DA5D5AF8246B2302
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/62878/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.424.9873.10451.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/469058
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Detected FormBook malware
Initial sample is a PE file and has a suspicious name
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 286950 Sample: Proforma Invoice-1.exe Startdate: 17/09/2020 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 7 other signatures 2->43 8 Proforma Invoice-1.exe 3 2->8         started        process3 file4 29 C:\Users\user\...\Proforma Invoice-1.exe.log, ASCII 8->29 dropped 55 Writes to foreign memory regions 8->55 57 Allocates memory in foreign processes 8->57 59 Injects a PE file into a foreign processes 8->59 12 vbc.exe 8->12         started        15 vbc.exe 8->15         started        signatures5 process6 signatures7 61 Modifies the context of a thread in another process (thread injection) 12->61 63 Maps a DLL or memory area into another process 12->63 65 Sample uses process hollowing technique 12->65 67 Queues an APC in another process (thread injection) 12->67 17 explorer.exe 12->17 injected 69 Tries to detect virtualization through RDTSC time measurements 15->69 process8 dnsIp9 31 www.irreldevel.com 91.195.240.94, 49736, 49737, 49738 SEDO-ASDE Germany 17->31 33 www.gureigh.com 45.127.161.217, 49732, 49733, 49734 HENGTONG-IDC-LLCUS Hong Kong 17->33 35 4 other IPs or domains 17->35 45 System process connects to network (likely due to code injection or exploit) 17->45 21 control.exe 17 17->21         started        signatures10 process11 file12 25 C:\Users\user\AppData\...\4NAlogrv.ini, data 21->25 dropped 27 C:\Users\user\AppData\...\4NAlogri.ini, data 21->27 dropped 47 Detected FormBook malware 21->47 49 Tries to steal Mail credentials (via file access) 21->49 51 Tries to harvest and steal browser information (history, passwords, etc) 21->51 53 3 other signatures 21->53 signatures13
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fea8c05a548a56d2700b88a783a8948635148503e7d7f2b3da909b792df7979f/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2020-09-17 05:30:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
46
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=72umawsurjlne4alrctyhkeuqy2rjbid47l7fm62scnxslpxs6pq._file
Verdict:
suspicious
Similar samples:
01f872c387017a3d557af1267c771afcc5db55420c53c1367b8d88f137a8e5d7
FormBook
13d9b9a83c048fda113d7ae85b36f08d157ce23edaec409f54e3afe36135e6e2
FormBook
1dbbc7c4da00acd7ae17d3b37197cd559412d779024efd6fff22e35852a33619
FormBook
2434b60331e372fc347f46ac1ede21a078fc11ddea75c52679ab4c49cd3c12c7
FormBook
5a68610a00595569a1436e7b110caf62fa328262a30f2805daf090f451f4aadb
FormBook
7f71a2ee2702cc9596589c5cb0ec16ec0a5db80266c2ffeabb299d19379641e6
FormBook
86db9023f1d89c9c6c12160296a890b4eaeea74f23fc24219e9dd14b0e4988c4
FormBook
ad32cadc3a75e969c0e8c25dfec398378aceb406017050763ce3c5d482998f42
FormBook
dc60cbd5aea9991eae966cb8499ff91647ca4c2f4a9005c17e7b804fce1bafb6
FormBook
f03aa3254a964c676c99d1b2e96ef0e84d4c81e3b0885debf8e49f731c3d4779
FormBook
+ 14 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/200917-f2kk94adtj/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.joregs.xyz/dwn/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fea8c05a548a56d2700b88a783a8948635148503e7d7f2b3da909b792df7979f

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/62878/

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