MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d2fc5f0602f67047df6a3c67ad8c51cc53c73cbe849163abf5f2dcaf428a4b58. 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 4 File information Comments

SHA256 hash: d2fc5f0602f67047df6a3c67ad8c51cc53c73cbe849163abf5f2dcaf428a4b58
SHA3-384 hash: 063a435a255817d29ff4ed5b7f165df72c4c4944c118772f4c3a337220d019c03e9f4dc4f368f59aa3d8435728b652fc
SHA1 hash: 04e921771a277303af443b8828b90f6ea49745ca
MD5 hash: 68a1b0d25f9912e53a13c69b4eee4df4
humanhash: purple-gee-snake-pip
File name:yVvATSvedsfMg0l.exe
Download: download sample
Signature Formbook
File size:416'768 bytes
First seen:2021-12-02 13:47:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:m2m2kQqvZRHsBYE9r2TrN6LQIxqkcCWi5KcfrmlGkvTO6xcMaV7fW5B3B0L4LgU9:91rCq2kQU9f5qTO6qV7Q2L4LgUIE
Threatray 11'925 similar samples on MalwareBazaar
TLSH T10494E0433A9091F2E1392933BF93D40E26132DF49D62C15D7BE3F64B29722A59E4067B
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
yVvATSvedsfMg0l.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-02 14:11:29 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
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Launching cmd.exe command interpreter
Searching for the window
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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
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: 532618 Sample: yVvATSvedsfMg0l.exe Startdate: 02/12/2021 Architecture: WINDOWS Score: 100 33 www.medeiros.store 2->33 35 www.dock-weiler.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 7 other signatures 2->49 11 yVvATSvedsfMg0l.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\yVvATSvedsfMg0l.exe.log, ASCII 11->31 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 yVvATSvedsfMg0l.exe 11->15         started        18 yVvATSvedsfMg0l.exe 11->18         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 20 explorer.exe 15->20 injected process9 dnsIp10 37 padelscuolaroma.store 195.110.124.133, 49800, 80 REGISTER-ASIT Italy 20->37 39 www.sergiojuradomunera.com 84.246.210.242, 49785, 80 INFORTELECOM-ASES Spain 20->39 41 9 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 24 msiexec.exe 20->24         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 24->53 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2021-12-02 13:48:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:czh8 loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.peptidepowder.com/czh8/
Unpacked files
SH256 hash:
35a2d9472f2364c6f61f5e1c907563c259c2aca70565a9f5ef73033a1f4d8e42
MD5 hash:
2df5ae7183db96019f696c73496bff98
SHA1 hash:
adb05ba022651595630bea1af75478d8965277bb
SH256 hash:
1eba3e6e55f4aa87ee88dad11183f808f00870bf6277e3ae19fb31400a1dbe5b
MD5 hash:
00b620728472aef2af115e0455930cf8
SHA1 hash:
649a4ad0f13a3176ea36b855c1b36fbce246446a
SH256 hash:
d2fc5f0602f67047df6a3c67ad8c51cc53c73cbe849163abf5f2dcaf428a4b58
MD5 hash:
68a1b0d25f9912e53a13c69b4eee4df4
SHA1 hash:
04e921771a277303af443b8828b90f6ea49745ca
Malware family:
XLoader
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Comments