MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f463e4599313c87551cfc529feb1b20b5eccc8f4fd20f66fafe580140e109f9. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 6f463e4599313c87551cfc529feb1b20b5eccc8f4fd20f66fafe580140e109f9
SHA3-384 hash: b36024f250ad0e36e9a0f4d48692f3da36d4b5e91695597d3ca8dc5ae9df9851dffacecd409687b9aba53494f8ba51cf
SHA1 hash: c8f3d6996115c8bffad64b3fda9fbaf46e69b8f3
MD5 hash: bf4c2e519b44f33ac049f6ef4c8b300c
humanhash: failed-oscar-video-aspen
File name:RNM56670112.exe
Download: download sample
Signature FormBook
File size:717'824 bytes
First seen:2020-11-07 10:07:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 64b57a6f98a31b50be7a854188edcd25 (6 x AgentTesla, 3 x Formbook)
ssdeep 12288:FmkRHFBQvWsEEO7J0tJoqzb0xwrwndbAgrLmD3SQON72OZ:rRlBrSdb0xwrcyDi3QOZ
Threatray 2'867 similar samples on MalwareBazaar
TLSH 68E46B81744FC3F3C4522D704D35C9B0A9197CA3AA204E4FE2D63DF95A32FB99D6522A
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Unauthorized injection to a recently created process
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
Creates an undocumented autostart registry key
Detected FormBook malware
Detected unpacking (changes PE section rights)
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
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)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 310963 Sample: RNM56670112.exe Startdate: 07/11/2020 Architecture: WINDOWS Score: 100 52 www.chainlinkwhitepaper.com 2->52 54 chainlinkwhitepaper.com 2->54 62 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus detection for dropped file 2->66 68 9 other signatures 2->68 11 RNM56670112.exe 1 2->11         started        signatures3 process4 signatures5 82 Detected unpacking (changes PE section rights) 11->82 84 Maps a DLL or memory area into another process 11->84 86 Tries to detect virtualization through RDTSC time measurements 11->86 14 RNM56670112.exe 11->14         started        17 conhost.exe 11->17         started        process6 signatures7 88 Modifies the context of a thread in another process (thread injection) 14->88 90 Maps a DLL or memory area into another process 14->90 92 Sample uses process hollowing technique 14->92 94 Queues an APC in another process (thread injection) 14->94 19 explorer.exe 6 14->19 injected process8 dnsIp9 56 www.vbfkc.icu 156.225.160.251, 49754, 49755, 49756 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 19->56 58 www.direction.center 165.232.36.60, 49757, 49758, 49759 ALLEGHENYHEALTHNETWORKUS United States 19->58 60 2 other IPs or domains 19->60 42 C:\Users\user\AppData\...\2dxtp6pxi0t.exe, PE32 19->42 dropped 44 C:\Program Files (x86)\...\2dxtp6pxi0t.exe, PE32 19->44 dropped 70 System process connects to network (likely due to code injection or exploit) 19->70 72 Benign windows process drops PE files 19->72 24 ipconfig.exe 1 18 19->24         started        28 2dxtp6pxi0t.exe 1 19->28         started        file10 signatures11 process12 file13 46 C:\Users\user\AppData\...\J4Llogrv.ini, data 24->46 dropped 48 C:\Users\user\AppData\...\J4Llogri.ini, data 24->48 dropped 74 Detected FormBook malware 24->74 76 Creates an undocumented autostart registry key 24->76 78 Tries to steal Mail credentials (via file access) 24->78 80 4 other signatures 24->80 30 cmd.exe 2 24->30         started        34 cmd.exe 1 24->34         started        36 conhost.exe 28->36         started        signatures14 process15 file16 50 C:\Users\user\AppData\Local\Temp\DB1, SQLite 30->50 dropped 96 Tries to harvest and steal browser information (history, passwords, etc) 30->96 38 conhost.exe 30->38         started        40 conhost.exe 34->40         started        signatures17 process18
Threat name:
Win32.Spyware.Stelega
Status:
Malicious
First seen:
2020-11-06 13:26:18 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Unpacked files
SH256 hash:
6f463e4599313c87551cfc529feb1b20b5eccc8f4fd20f66fafe580140e109f9
MD5 hash:
bf4c2e519b44f33ac049f6ef4c8b300c
SHA1 hash:
c8f3d6996115c8bffad64b3fda9fbaf46e69b8f3
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:APT32_KerrDown
Rule name:Embedded_PE

File information


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

Malspam

FormBook

Executable exe 6f463e4599313c87551cfc529feb1b20b5eccc8f4fd20f66fafe580140e109f9

(this sample)

  
Delivery method
Distributed via e-mail attachment

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