MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f6e0bac11526a5e1bbcdb54476c0bb7e8fdb7d8008001a5a488c60a080fc51c. 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 6 File information Comments

SHA256 hash: 7f6e0bac11526a5e1bbcdb54476c0bb7e8fdb7d8008001a5a488c60a080fc51c
SHA3-384 hash: fe3c7554819759ad2cdc8ce4dcccee53c5a4a0abb0aec85541287a421e4e0c7b25b0606399ad43afb1c591a3a31fd814
SHA1 hash: 45de569d369659a5cbd6d3aec09f9668eb34cddc
MD5 hash: e0a4ffac90da3cf42e3b250d758b7195
humanhash: september-salami-hot-emma
File name:payment reminder.exe
Download: download sample
Signature Formbook
File size:1'149'952 bytes
First seen:2021-08-11 12:59:07 UTC
Last seen:2021-08-12 06:58:03 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 12288:5Me5miDY2KkDeYd5Kj+KSp+w6LrtzpHTwH3qm8TsqRL+NSW3bKIU6n9Auj5rrNKF:CYY2Byfg+HnPGzVb99U58roVh
Threatray 7'597 similar samples on MalwareBazaar
TLSH T133355A2439FA501AF173EFB98BD475969A6FBA333B07A45D1091038A0723E41DED193E
dhash icon 1030e8aa96969686 (12 x AgentTesla, 4 x Formbook, 1 x SnakeKeylogger)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
348
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
payment reminder.exe
Verdict:
Malicious activity
Analysis date:
2021-08-11 13:00:41 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
Unauthorized injection to a recently created process
Creating a file
Launching a process
Sending a UDP request
Launching cmd.exe command interpreter
Connection attempt
Sending an HTTP GET request
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
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: CMSTP Execution Process Creation
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 463369 Sample: payment reminder.exe Startdate: 11/08/2021 Architecture: WINDOWS Score: 100 36 www.salmanairs.com 2->36 38 salmanairs.com 2->38 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 7 other signatures 2->48 11 payment reminder.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\user\...\payment reminder.exe.log, ASCII 11->28 dropped 14 payment reminder.exe 11->14         started        process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.armseducationassociates.com 205.178.189.129, 49782, 80 DEFENSE-NETUS United States 17->30 32 www.shareusall.com 204.11.56.48, 49776, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 17->32 34 7 other IPs or domains 17->34 40 System process connects to network (likely due to code injection or exploit) 17->40 21 cmstp.exe 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-11 12:59:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:m6b5 loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.inverservi.com/m6b5/
Unpacked files
SH256 hash:
8b641b71fdf83bc4ea69304ba629fa030172b9b62ee4461abbe3ec54e15a56fd
MD5 hash:
515f6e96be1efbb52d806616b7429037
SHA1 hash:
ca9fa60765b69a7239488fec4b4ba7f6128fd087
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
94e787880fa8ed1d4134d877a2013b623d484f04e383bdc939d9866924f926f0
MD5 hash:
896adbbeabbea1e5b67a993773c73d99
SHA1 hash:
9f35100de86d57269058f4561845b625bd597d43
Detections:
win_formbook_g0
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
SH256 hash:
aa23e129daadc8bbf5a3143ef1cd38ec22913a9cbdf9cd5119044584d37971d8
MD5 hash:
b2697b3be5c48a41fd9cd3f6ced0b293
SHA1 hash:
e0b53c0b6d2a1f7f3776488493b7b55c43a4ca53
SH256 hash:
7f6e0bac11526a5e1bbcdb54476c0bb7e8fdb7d8008001a5a488c60a080fc51c
MD5 hash:
e0a4ffac90da3cf42e3b250d758b7195
SHA1 hash:
45de569d369659a5cbd6d3aec09f9668eb34cddc
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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
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.

  
Delivery method
Other

Comments