MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e303aa54aca8f1983902b80d9682573baae1fa0f05b0e7381abce7c358623953. 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: e303aa54aca8f1983902b80d9682573baae1fa0f05b0e7381abce7c358623953
SHA3-384 hash: 3cee0fb1c5fc6e9297f648b34689b95a543f6416ce1c1748ffb146a0891a78171a42799f22d7be399b4c28a17d4fd238
SHA1 hash: ddf1ae0f09fdda3b468626db6689820594b325e8
MD5 hash: 684c73f20840d3dadcb9b3fcbab70d1a
humanhash: kitten-winner-steak-spring
File name:Shipment Document.exe
Download: download sample
Signature Formbook
File size:910'336 bytes
First seen:2022-10-24 17:30:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:3icCSA72LPM2F1/7ozRaepCbX8QZFKBKYzsDM2w4V:ycCoJmae+LGKYzQ
Threatray 15'861 similar samples on MalwareBazaar
TLSH T15E155C2825EB421CF43B9BB99FD7B4C64E9BF621212AF5DE14AD03864933E05CD93235
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
178
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Shipment Document.exe
Verdict:
Malicious activity
Analysis date:
2022-10-24 17:31:42 UTC
Tags:
formbook trojan 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
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
DNS request
Sending an HTTP GET request
Launching a process
Unauthorized injection to a system process
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.spyw.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
Deletes itself after installation
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 729653 Sample: Shipment Document.exe Startdate: 24/10/2022 Architecture: WINDOWS Score: 100 24 www.ilkoyhareketi.net 2->24 26 redirect.natrocdn.com 2->26 28 natroredirect.natrocdn.com 2->28 38 Multi AV Scanner detection for domain / URL 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 8 other signatures 2->44 9 Shipment Document.exe 3 2->9         started        signatures3 process4 file5 22 C:\Users\user\...\Shipment Document.exe.log, ASCII 9->22 dropped 12 Shipment Document.exe 9->12         started        process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 12->54 56 Maps a DLL or memory area into another process 12->56 58 Sample uses process hollowing technique 12->58 60 Queues an APC in another process (thread injection) 12->60 15 explorer.exe 12->15 injected process8 dnsIp9 30 stake-dao.org 62.182.82.26, 49700, 49701, 49702 YANINA-ASUA Ukraine 15->30 32 www.skraag.com 217.170.198.100, 49699, 80 SERVETHEWORLD-ASNO Norway 15->32 34 2 other IPs or domains 15->34 36 System process connects to network (likely due to code injection or exploit) 15->36 19 chkdsk.exe 13 15->19         started        signatures10 process11 signatures12 46 Tries to steal Mail credentials (via file / registry access) 19->46 48 Tries to harvest and steal browser information (history, passwords, etc) 19->48 50 Deletes itself after installation 19->50 52 2 other signatures 19->52
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-19 15:08:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:nquy rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Blocklisted process makes network request
Formbook
Unpacked files
SH256 hash:
a21a573883475b698fcb91bee3b5d9a64b2f2cc28649242bcaec8cb5599270ed
MD5 hash:
916de4c0ed59f7d6446d386de66ad2ea
SHA1 hash:
02cead8124956be9cfea10235b3ba37b7c6cb00a
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
32aefdb415c1efa088312973497b136b81c3c072f62798b419f2b78e60c883c1
MD5 hash:
027951583f4b1e82d400505ac1e0a4c8
SHA1 hash:
e5bf6d97345a6d12bb7df9288b9b90f3555e74c8
SH256 hash:
ab73280b8265b2f76254eac93b843915b379380c67aaec1bbe766719be102565
MD5 hash:
a0368b2abcff912689ca91ec432eca6b
SHA1 hash:
8a39077877ffcd54ea0f695daf1648aa13174f14
SH256 hash:
4f80ddfe49b270f801ab44aa899153bbe2a0fb93abed0f9fc992f74ff6ab4fde
MD5 hash:
f4ba8570299eabf8fe2d02cc1dc0606a
SHA1 hash:
5d7add32313074f5a1e9b4ab379298dee8b6217e
SH256 hash:
e303aa54aca8f1983902b80d9682573baae1fa0f05b0e7381abce7c358623953
MD5 hash:
684c73f20840d3dadcb9b3fcbab70d1a
SHA1 hash:
ddf1ae0f09fdda3b468626db6689820594b325e8
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