MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84c2b9e7449d2cf1ec1d43b13a9163e6fe355e3f8d301b34b7930d24f916725a. 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 1

SHA256 hash: 84c2b9e7449d2cf1ec1d43b13a9163e6fe355e3f8d301b34b7930d24f916725a
SHA3-384 hash: fd65bbbe65663116459a60719f713bd9076035c70e07cba6d350c25e53c3cf46b8712a20759aca2606def73f1fa0959f
SHA1 hash: 0c4f12b1a5e9e740ac3226f07f79c9c959efc42a
MD5 hash: fec8a1929fd6838baf2eea073612f1e6
humanhash: burger-crazy-east-skylark
File name:fec8a1929fd6838baf2eea073612f1e6
Download: download sample
Signature Formbook
File size:432'640 bytes
First seen:2021-11-21 21:59:15 UTC
Last seen:2021-11-21 23:37:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:0c1sfsQ68fJOZs/f9eIBfGxAlZr7mRRDHW:0c1sfZvfJKsNN+S97+Ry
Threatray 11'407 similar samples on MalwareBazaar
TLSH T1A49412692EE14A62C07E9BBD58749002037AB928BD32DB9E5F85709E25737C0D771F83
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fec8a1929fd6838baf2eea073612f1e6
Verdict:
Suspicious activity
Analysis date:
2021-11-21 22:01:53 UTC
Tags:
n/a

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

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
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
Antivirus detection for URL or domain
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)
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
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 525934 Sample: sVO9t8HDBT Startdate: 21/11/2021 Architecture: WINDOWS Score: 100 36 www.picgenier.com 2->36 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 9 other signatures 2->52 11 sVO9t8HDBT.exe 3 2->11         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\sVO9t8HDBT.exe.log, ASCII 11->34 dropped 64 Tries to detect virtualization through RDTSC time measurements 11->64 66 Injects a PE file into a foreign processes 11->66 15 sVO9t8HDBT.exe 11->15         started        signatures6 process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Sample uses process hollowing technique 15->72 74 Queues an APC in another process (thread injection) 15->74 18 explorer.exe 15->18 injected process9 signatures10 44 System process connects to network (likely due to code injection or exploit) 18->44 21 rundll32.exe 18->21         started        process11 signatures12 54 Self deletion via cmd delete 21->54 56 Modifies the context of a thread in another process (thread injection) 21->56 58 Maps a DLL or memory area into another process 21->58 60 Tries to detect virtualization through RDTSC time measurements 21->60 24 explorer.exe 5 152 21->24         started        28 cmd.exe 1 21->28         started        30 explorer.exe 1 114 21->30         started        process13 dnsIp14 38 funemasco.com 51.222.241.167, 49866, 80 OVHFR France 24->38 40 www.metacarlnsurance.com 121.254.178.253, 49868, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 24->40 42 4 other IPs or domains 24->42 62 System process connects to network (likely due to code injection or exploit) 24->62 32 conhost.exe 28->32         started        signatures15 process16
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-19 13:23:32 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:fa83 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.nshocam.com/fa83/
Unpacked files
SH256 hash:
cc5c5860e83b708cd158454165cbeb714767119946049de5aa7677685be75c14
MD5 hash:
83cbea4dec6e5b64a85ee9b6f9ff7598
SHA1 hash:
5c1d12b792c32ba73b7bf2634da5e4d9fbcd7d4e
SH256 hash:
1341e92b0ac3577755b84b23ba80e10a13a9f356d7705f246eddaa5081704d4b
MD5 hash:
06ee0c6e5db2f041d0b4e0493e99094e
SHA1 hash:
300164ba89c79fe2da513d7b6ea4a5cdd668ef81
SH256 hash:
84c2b9e7449d2cf1ec1d43b13a9163e6fe355e3f8d301b34b7930d24f916725a
MD5 hash:
fec8a1929fd6838baf2eea073612f1e6
SHA1 hash:
0c4f12b1a5e9e740ac3226f07f79c9c959efc42a
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 84c2b9e7449d2cf1ec1d43b13a9163e6fe355e3f8d301b34b7930d24f916725a

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-11-21 21:59:15 UTC

url : hxxp://samsung-tv.tk/famzx.exe