MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a415f33b3c85f8c6c11b439e675c802a1fb0f7848237707a606519172e678bb. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 5a415f33b3c85f8c6c11b439e675c802a1fb0f7848237707a606519172e678bb
SHA3-384 hash: 00e2f652c34a2185066f8b50f074f974473b995e1b81dd8e52938154f1e01d8031beebba4fa1b5ce495bec4cee42df71
SHA1 hash: bc10f2e9a9269ef5826271dd7734b2af77305ddd
MD5 hash: 6e48b0f081937b02669a0a5cb9b49f94
humanhash: three-oven-early-earth
File name:6e48b0f081937b02669a0a5cb9b49f94.exe
Download: download sample
Signature Formbook
File size:479'232 bytes
First seen:2021-11-02 11:25:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'633 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:svIl1kga+TuoDjaLfwZYOYj49KYf8VjUCqZuT+Y+ssYXHLt4VYbR4kCkORpzTShB:a+TlMUJYjoKYf4jU0Z+sqqbR4d7PzT6
TLSH T183A4DFD252D48662E5AD4FB060712D2013B37EAE3D58F6985D94B8E73A73BC35130BA3
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6e48b0f081937b02669a0a5cb9b49f94.exe
Verdict:
Suspicious activity
Analysis date:
2021-11-02 11:30:55 UTC
Tags:
n/a

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
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Malicious
Threat level:
  10/10
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
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
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 dnsIp2 2 Behavior Graph ID: 513657 Sample: 1QYHvji5mC.exe Startdate: 02/11/2021 Architecture: WINDOWS Score: 100 31 www.onbiine.sbs 2->31 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 6 other signatures 2->45 11 1QYHvji5mC.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\1QYHvji5mC.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 1QYHvji5mC.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.hxmgzczqdjs.com 45.204.14.226, 49813, 80 AISI-AS-APHKAISICLOUDCOMPUTINGLIMITEDHK Seychelles 18->33 35 www.armoreddwellings.com 18->35 37 armoreddwellings.com 34.102.136.180, 49787, 80 GOOGLEUS United States 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 cmmon32.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-02 09:46:33 UTC
AV detection:
17 of 25 (68.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ad6n rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.didimthebestkuafor.com/ad6n/
Unpacked files
SH256 hash:
7ec7c47de5927351c7035f8657a2dd91c42fd6ed6e4da309e34b87ef0b0ba785
MD5 hash:
171a2669225911b41301096cd9dcf19f
SHA1 hash:
dc25f1f69faec5174e489a0d1a18cf14cf7fd1b5
SH256 hash:
7f8e2d948d3d651305b4b56a1e0cff27a35e09a0a19057f3f5ab24efdcd95461
MD5 hash:
33df4db5a3a886484bf6939d407ec2ab
SHA1 hash:
a227161301a7f2a4cc53e2a3193d9da616e4a63b
SH256 hash:
5a415f33b3c85f8c6c11b439e675c802a1fb0f7848237707a606519172e678bb
MD5 hash:
6e48b0f081937b02669a0a5cb9b49f94
SHA1 hash:
bc10f2e9a9269ef5826271dd7734b2af77305ddd
Malware family:
FormBook
Verdict:
Malicious
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 5a415f33b3c85f8c6c11b439e675c802a1fb0f7848237707a606519172e678bb

(this sample)

  
Delivery method
Distributed via web download

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