MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4298983d15dde34ec4c506a769e68c6124b9a0cfe22b73d720b611324bd6a8f3. 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 2 File information Comments

SHA256 hash: 4298983d15dde34ec4c506a769e68c6124b9a0cfe22b73d720b611324bd6a8f3
SHA3-384 hash: 84962a9a29c3408662925b889893efc9175f2262bd528b4e0cbcf96bc865848bd22772b06078f956951c48ecf962daae
SHA1 hash: 5a6bf8477e643206c22223eac51bba9f68285bc9
MD5 hash: 3f478b3fa5b2fd7c7423b45c8751f0e6
humanhash: bravo-seven-november-kitten
File name:SOA.exe
Download: download sample
Signature Formbook
File size:744'448 bytes
First seen:2022-03-10 06:59:18 UTC
Last seen:2022-03-10 14:46:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:mleltJEEEEEEEEEEEEEEEEEholUI8s0zOn4vWxCtJ/xIwiXs7uk4oPYwKX1/1umk:mlel7EEEEEEEEEEEEEEEEEO2U0+4vW0S
Threatray 14'033 similar samples on MalwareBazaar
TLSH T11FF46BAD322135DFC867CA72CEA81C68EFA07877830F9217905715AD9A6C997CF144F2
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
3
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit 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 very large strings
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 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 submitted file
Performs DNS queries to domains with low reputation
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 signatures2 2 Behavior Graph ID: 586450 Sample: SOA.exe Startdate: 10/03/2022 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 8 other signatures 2->46 10 SOA.exe 3 2->10         started        process3 file4 32 C:\Users\user\AppData\Local\...\SOA.exe.log, ASCII 10->32 dropped 60 Tries to detect virtualization through RDTSC time measurements 10->60 62 Injects a PE file into a foreign processes 10->62 14 SOA.exe 10->14         started        17 SOA.exe 10->17         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 19 explorer.exe 14->19 injected process8 dnsIp9 34 www.paramusrentals.com 185.255.121.5, 49750, 80 SVEASE Netherlands 19->34 36 www.paipay.icu 43.154.90.253, 49748, 80 LILLY-ASUS Japan 19->36 38 4 other IPs or domains 19->38 48 System process connects to network (likely due to code injection or exploit) 19->48 50 Performs DNS queries to domains with low reputation 19->50 23 explorer.exe 19->23         started        26 autofmt.exe 19->26         started        signatures10 process11 signatures12 52 Self deletion via cmd delete 23->52 54 Modifies the context of a thread in another process (thread injection) 23->54 56 Maps a DLL or memory area into another process 23->56 58 Tries to detect virtualization through RDTSC time measurements 23->58 28 cmd.exe 1 23->28         started        process13 process14 30 conhost.exe 28->30         started       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-10 02:45:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
30 of 42 (71.43%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:m80e 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)
Unpacked files
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
1e38a3ecdea56240cc2cb45c3796e77662d4c93e87e8c667a8d0d7f43db924b0
MD5 hash:
4283cd319074bc86128678ca7e797fbb
SHA1 hash:
35180cf5e4f148e0dc08345c78823daf248fe4c7
SH256 hash:
4298983d15dde34ec4c506a769e68c6124b9a0cfe22b73d720b611324bd6a8f3
MD5 hash:
3f478b3fa5b2fd7c7423b45c8751f0e6
SHA1 hash:
5a6bf8477e643206c22223eac51bba9f68285bc9
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 4298983d15dde34ec4c506a769e68c6124b9a0cfe22b73d720b611324bd6a8f3

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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