MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f792871e168a48e4b5b84184b0aaa655e039d40409eccc7779f4c3be0e860d4c. 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 5 File information Comments 1

SHA256 hash: f792871e168a48e4b5b84184b0aaa655e039d40409eccc7779f4c3be0e860d4c
SHA3-384 hash: b3df1c6bb5f030678221a7dfb594a9b0e195e5795f10d1c114553596f09698e14bf9b33fb6eab4138fd088a7dbb4e95a
SHA1 hash: 4b4bbec609afeab38b68d011a5e66eea5a4d73ac
MD5 hash: 80dc3b7b8970ec34552a23d09447a4d3
humanhash: social-carolina-grey-echo
File name:80dc3b7b8970ec34552a23d09447a4d3
Download: download sample
Signature Formbook
File size:1'177'088 bytes
First seen:2022-05-19 17:34:47 UTC
Last seen:2022-05-19 18:47:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:yAs7vg7zWInNkESvtevXj4/3P0SclhI4Weueg3f6y8YOC/kVYK5nruEb6FvT:yAs7vg7z3K706VIgv6yLO1Vh6LT
Threatray 15'645 similar samples on MalwareBazaar
TLSH T12F456A1D3EB48544C36879F69ED207B0C6B1AD5E87618B061EBF3A893532583CCE725E
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
316
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
80dc3b7b8970ec34552a23d09447a4d3
Verdict:
No threats detected
Analysis date:
2022-05-19 18:58:29 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
DNS request
Sending an HTTP GET request
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe formbook 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.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
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 domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 630433 Sample: lvNEkejxhv Startdate: 19/05/2022 Architecture: WINDOWS Score: 100 28 www.hollywoodcuts.net 2->28 46 Snort IDS alert for network traffic 2->46 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 9 other signatures 2->52 10 lvNEkejxhv.exe 1 2->10         started        signatures3 process4 file5 26 C:\Users\user\AppData\...\lvNEkejxhv.exe.log, ASCII 10->26 dropped 13 NetCfgNotifyObjectHost.exe 10->13         started        process6 signatures7 54 Uses netstat to query active network connections and open ports 13->54 56 Modifies the context of a thread in another process (thread injection) 13->56 58 Maps a DLL or memory area into another process 13->58 60 3 other signatures 13->60 16 NETSTAT.EXE 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 36 Modifies the context of a thread in another process (thread injection) 16->36 38 Maps a DLL or memory area into another process 16->38 40 Tries to detect virtualization through RDTSC time measurements 16->40 22 cmd.exe 1 16->22         started        30 www.tripnii.com 172.255.36.136, 49714, 80 LEASEWEB-USA-SFO-12US United States 19->30 32 www.zvmsovsg.com 154.80.181.105, 49713, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 19->32 34 3 other IPs or domains 19->34 42 System process connects to network (likely due to code injection or exploit) 19->42 44 Performs DNS queries to domains with low reputation 19->44 signatures10 process11 process12 24 conhost.exe 22->24         started       
Threat name:
ByteCode-MSIL.Backdoor.Andromeda
Status:
Malicious
First seen:
2022-05-18 20:41:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:ud5f loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Launches sc.exe
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
f792871e168a48e4b5b84184b0aaa655e039d40409eccc7779f4c3be0e860d4c
MD5 hash:
80dc3b7b8970ec34552a23d09447a4d3
SHA1 hash:
4b4bbec609afeab38b68d011a5e66eea5a4d73ac
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Web download

Formbook

Executable exe f792871e168a48e4b5b84184b0aaa655e039d40409eccc7779f4c3be0e860d4c

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-05-19 17:35:00 UTC

url : hxxp://103.156.91.153/cloudprotect/vbc.exe