MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 583dbd13e7e7f24599e11c5dc3039eda53acff81cf09a110b51b035cccf4ad09. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 583dbd13e7e7f24599e11c5dc3039eda53acff81cf09a110b51b035cccf4ad09
SHA3-384 hash: 05bd6f9dfff7cfe6f96ed784eb921dad4bcf60a205a8dd423221d4a879fd4cdc20926fc2eb39bd59d1ce666430887745
SHA1 hash: 4b47a81f2b101339ee0d640a2ac0f3723d1ca718
MD5 hash: 6aa0daa3d77002b7cc81ac90b4865707
humanhash: london-rugby-winner-july
File name:Purchase Order.exe
Download: download sample
Signature Formbook
File size:1'090'560 bytes
First seen:2021-07-26 12:43:29 UTC
Last seen:2021-07-26 13:51:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:LE1sxJRrcQ8lhNxCXWJ4gUDEkjZhD2xGCoTZIgFmIlRe6GuHa1NOcdctzKT/Idum:LE5CGJtWjglIsB50ZZ
Threatray 3'550 similar samples on MalwareBazaar
TLSH T1AD355B3439FA601AB173EFA94BE474A6DAAFB7733B07A45D109103864723E41DDC193A
dhash icon f1d8d4b6f6d4f071 (1 x Formbook)
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-26 12:44:10 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
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
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
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 454175 Sample: Purchase Order.exe Startdate: 26/07/2021 Architecture: WINDOWS Score: 100 31 www.suruyorum.com 2->31 33 www.nervstudio.com 2->33 35 2 other IPs or domains 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 6 other signatures 2->49 11 Purchase Order.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\Purchase Order.exe.log, ASCII 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 Purchase Order.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.kileybrock.com 173.239.8.164, 49727, 80 WEBAIR-INTERNETUS United States 18->37 39 maheshwaramlawcollege.com 142.4.216.204, 49732, 80 OVHFR Canada 18->39 41 10 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 cmd.exe 18->22         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-26 05:04:17 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader 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.jantesetaccessoires.com/p6f2/
Unpacked files
SH256 hash:
9b5078acea764f7c00f5e70aadd5f66a39592212480bac7b15b965a40fd2c7cb
MD5 hash:
cb45c8a8d96cad2c1f64e832dc656994
SHA1 hash:
9e12d0573b9e2d58c324530bcadefa4c2542abbe
Detections:
win_formbook_g0
SH256 hash:
79087c191c571e7f45e8df22fac5f92e1ba9a39753a648991b01933e19a94661
MD5 hash:
a5030be0c13d99295fd82e975f688ceb
SHA1 hash:
02a57c9d639b1dce6eb4702d63abdfe229b4fd77
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
SH256 hash:
094f8611fb62da4acacb4fe15b534d82f7aec47484a3ef9b90108ad6458e927d
MD5 hash:
c11a72cd23d0178ff3cbb7c38d15478e
SHA1 hash:
8567d8919da4f591c1d63568ae7f17f7d5fb24e5
SH256 hash:
583dbd13e7e7f24599e11c5dc3039eda53acff81cf09a110b51b035cccf4ad09
MD5 hash:
6aa0daa3d77002b7cc81ac90b4865707
SHA1 hash:
4b47a81f2b101339ee0d640a2ac0f3723d1ca718
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: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