MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20c6e04ec0f495415cbe40623958124996eb2edbae3c3ff295a979d41de888b3. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 20c6e04ec0f495415cbe40623958124996eb2edbae3c3ff295a979d41de888b3
SHA3-384 hash: 108df2cb669e80b735ee925a781261ae571b6c074b0de23d2b6a5ad8079d604d2fb3bb52d0e0ab13326c6f853258639b
SHA1 hash: 2adb4e756eae108fa2031984eebd7477f4ad8f90
MD5 hash: 9d51377b45f2cb2e1d616725aa33a66b
humanhash: oscar-wyoming-sweet-hotel
File name:JTe6TTJykz82zgf.exe
Download: download sample
Signature Formbook
File size:845'824 bytes
First seen:2022-03-07 08:07:25 UTC
Last seen:2022-03-07 10:22:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:7MPnE5cU2GZKuln5R9UGM7vAdV/tVmx9:t79yGl/tV4
Threatray 10'775 similar samples on MalwareBazaar
TLSH T19C05D09C3250B1DFC957C876DAA81D20EA60B4BB570BD343A45716EDAE0E69BCF014F2
File icon (PE):PE icon
dhash icon 41b444d6d696d629 (15 x AgentTesla, 6 x Formbook, 2 x SnakeKeylogger)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
192
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for domain / URL
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: CMSTP Execution Process Creation
Sigma detected: Powershell Defender Base64 MpPreference
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicius Schtasks From Env Var Folder
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 584081 Sample: JTe6TTJykz82zgf.exe Startdate: 07/03/2022 Architecture: WINDOWS Score: 100 44 www.zbjinqiao.com 2->44 46 www.avalcascavel.com 2->46 48 4 other IPs or domains 2->48 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Multi AV Scanner detection for domain / URL 2->60 62 Found malware configuration 2->62 64 13 other signatures 2->64 10 JTe6TTJykz82zgf.exe 7 2->10         started        signatures3 process4 dnsIp5 56 192.168.2.1 unknown unknown 10->56 36 C:\Users\user\AppData\...\WEfYOeTwFnlYUi.exe, PE32 10->36 dropped 38 C:\...\WEfYOeTwFnlYUi.exe:Zone.Identifier, ASCII 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmpD4C4.tmp, XML 10->40 dropped 42 C:\Users\user\...\JTe6TTJykz82zgf.exe.log, ASCII 10->42 dropped 76 Uses schtasks.exe or at.exe to add and modify task schedules 10->76 78 Adds a directory exclusion to Windows Defender 10->78 80 Tries to detect virtualization through RDTSC time measurements 10->80 82 Injects a PE file into a foreign processes 10->82 15 JTe6TTJykz82zgf.exe 10->15         started        18 powershell.exe 24 10->18         started        20 schtasks.exe 1 10->20         started        file6 signatures7 process8 signatures9 84 Modifies the context of a thread in another process (thread injection) 15->84 86 Maps a DLL or memory area into another process 15->86 88 Sample uses process hollowing technique 15->88 90 Queues an APC in another process (thread injection) 15->90 22 cmstp.exe 15->22         started        25 explorer.exe 15->25 injected 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        process10 dnsIp11 66 Self deletion via cmd delete 22->66 68 Modifies the context of a thread in another process (thread injection) 22->68 70 Maps a DLL or memory area into another process 22->70 72 Tries to detect virtualization through RDTSC time measurements 22->72 32 cmd.exe 1 22->32         started        50 madgruppe.com 46.229.230.174, 49811, 80 VNET-ASSK Slovakia (SLOVAK Republic) 25->50 52 nln-productions.com 81.169.145.157, 49813, 80 STRATOSTRATOAGDE Germany 25->52 54 7 other IPs or domains 25->54 74 System process connects to network (likely due to code injection or exploit) 25->74 signatures12 process13 process14 34 conhost.exe 32->34         started       
Threat name:
ByteCode-MSIL.Trojan.Tnega
Status:
Malicious
First seen:
2022-03-07 08:08:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:wcur loader rat suricata
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
175285bfa8a73b3990f54994b8825c1f3396635bc344939cd8d9fc60b9569b46
MD5 hash:
f26eb90c6addfc99fa0c2e63896216d2
SHA1 hash:
77e01b96d8c211d4d24fc0a1aae91122caf5f668
SH256 hash:
c6d2df70280ab22b524f9a92c35d72df9cac2d8c96e5e8b11d69bb21d7a2c675
MD5 hash:
c3338a86920a1d30862b0df3b28273a7
SHA1 hash:
11309cdc378d849e356d9716b08605ba90ccf9e4
SH256 hash:
86fb90567f0207b0366feb38a1c46145639882b0533b111c1b5dd393a1bb788e
MD5 hash:
d11ac6a2358530978a979a756fd84b68
SHA1 hash:
0d48e7c0a1488470ecc91115c968e102e6e75392
SH256 hash:
20c6e04ec0f495415cbe40623958124996eb2edbae3c3ff295a979d41de888b3
MD5 hash:
9d51377b45f2cb2e1d616725aa33a66b
SHA1 hash:
2adb4e756eae108fa2031984eebd7477f4ad8f90
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: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.

Malspam

Formbook

Executable exe 20c6e04ec0f495415cbe40623958124996eb2edbae3c3ff295a979d41de888b3

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments