MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65c6621762bb1bb1589a4a58d4ab2d3fa7c02e581b217b86ed2ff51227d7565b. 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: 65c6621762bb1bb1589a4a58d4ab2d3fa7c02e581b217b86ed2ff51227d7565b
SHA3-384 hash: 70b83c006c7c8b80ddb8a7ab41dce79d89ab806c44b40cd47c32e6f7b76b21b4695a8856d2ff92e01452109c55275c0b
SHA1 hash: 775aee28c33102de8c4bdd45dd09821b717b8678
MD5 hash: 4aa8159742becd97f9ecdda33798b065
humanhash: orange-rugby-summer-table
File name:Purchase_Order.exe
Download: download sample
Signature Formbook
File size:1'532'416 bytes
First seen:2021-06-11 12:59:51 UTC
Last seen:2021-06-11 13:49:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:VENeBUdtwsEgws8e/z8YEoqSg5LlJfH6zMIDsxTt8ZnIYqmaGHB/7YaL:uwBUwsEgws8e5U/BldOpIY3rHBDYaL
Threatray 5'699 similar samples on MalwareBazaar
TLSH 5C65BE1022409B10D13A87758C23D6B04FB0AD0EEAD5CA4E7DEB7D9F39717B15A2E25E
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4aa8159742becd97f9ecdda33798b065
Verdict:
Malicious activity
Analysis date:
2021-06-11 11:28:43 UTC
Tags:
trojan formbook stealer

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
Sending a UDP request
Result
Verdict:
SUSPICIOUS
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
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: Suspicious Process Start Without DLL
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 433266 Sample: Purchase_Order.exe Startdate: 11/06/2021 Architecture: WINDOWS Score: 100 31 www.homeanddesignstudio.com 2->31 33 td-balancer-euw2-6-109.wixdns.net 2->33 35 4 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 7 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 Writes to foreign memory regions 11->59 61 Injects a PE file into a foreign processes 11->61 15 RegSvcs.exe 11->15         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 2 other signatures 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.cgjanvier.com 156.241.53.127, 49737, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 18->37 39 mexicobeachselfstorage.com 162.241.253.69, 49730, 80 UNIFIEDLAYER-AS-1US United States 18->39 41 14 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 systray.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       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-11 10:20:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
72
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.culturalinterface.net/uqf5/
Unpacked files
SH256 hash:
e987e066b6b1ca5c3698a367d405b671a7f33e388289cb6b191faf4796478596
MD5 hash:
8b3814abb5e9cd9fb5da34bc71a4afc2
SHA1 hash:
8005c030dd9d0c1f146d18c4597f0a0f55e16577
SH256 hash:
65c6621762bb1bb1589a4a58d4ab2d3fa7c02e581b217b86ed2ff51227d7565b
MD5 hash:
4aa8159742becd97f9ecdda33798b065
SHA1 hash:
775aee28c33102de8c4bdd45dd09821b717b8678
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.

  
Delivery method
Other

Comments