MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d179be40d1745249e9328091124c66cf5365bb40e869314027c638dc11c5f10. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments

SHA256 hash: 3d179be40d1745249e9328091124c66cf5365bb40e869314027c638dc11c5f10
SHA3-384 hash: a43c38582827d75eefdc49c70b13b29f02dcfbea955ccd23434badd9ae0679bdaaa6b23846b9af1f7cc3b39d38c8840d
SHA1 hash: 4688a01295ef0129d7cc02c8056203f9f5c6d7ed
MD5 hash: 4d56d1f7a40146167da425e04188ddd4
humanhash: cup-princess-cat-alanine
File name:Purchase Order.exe
Download: download sample
Signature Formbook
File size:849'920 bytes
First seen:2022-06-22 22:38:58 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 24576:h1Y1YivcYiOw9F0vw9FEY9lw9FD9GH3ncFgZkRbP5e4BKYiOw9F0cYiDw9F0cYiC:TYFvSOGGvGDlGhwlORbZSOGGSDGGSOGG
TLSH T17905122032C4E396D17F1BBA157051210B39B7B62772EE1D4D8761EE0FA5B410B29EEB
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter malwarelabnet
Tags:exe FormBook xloader formbook

Intelligence


File Origin
# of uploads :
1
# of downloads :
241
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
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit nanocore 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 potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
Snort IDS alert for network traffic
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
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 650784 Sample: Purchase Order.exe Startdate: 23/06/2022 Architecture: WINDOWS Score: 100 32 www.finneas.net 2->32 34 www.cutiepie.online 2->34 42 Snort IDS alert for network traffic 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 50 9 other signatures 2->50 11 Purchase Order.exe 3 2->11         started        signatures3 48 System process connects to network (likely due to code injection or exploit) 32->48 process4 file5 30 C:\Users\user\...\Purchase Order.exe.log, ASCII 11->30 dropped 14 Purchase Order.exe 11->14         started        17 Purchase Order.exe 11->17         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 19 explorer.exe 14->19 injected process8 dnsIp9 36 www.skillspakistan.com 154.216.92.67, 49834, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 19->36 38 cryptodealer.world 198.54.115.223, 49824, 80 NAMECHEAP-NETUS United States 19->38 40 5 other IPs or domains 19->40 52 System process connects to network (likely due to code injection or exploit) 19->52 54 Uses netstat to query active network connections and open ports 19->54 23 NETSTAT.EXE 19->23         started        signatures10 process11 signatures12 56 Modifies the context of a thread in another process (thread injection) 23->56 58 Maps a DLL or memory area into another process 23->58 60 Tries to detect virtualization through RDTSC time measurements 23->60 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-22 08:24:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
52
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:vcir loader persistence rat spyware stealer suricata 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
System policy modification
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
f4d1630f911d433c827fec1591377920ce6fd6b016d2507bc40712a401c6d96d
MD5 hash:
8259197defc7525321b861c39a8e845e
SHA1 hash:
ed14e0b0be5e22cc5e063af205f284648ef11de3
Detections:
win_formbook_g0 win_formbook_auto XLoader
SH256 hash:
6a86ce55e8834ef82e460d52617ef0ca0dccdaa5405d3458e1392188876c603c
MD5 hash:
75efa961884723ef8d7ce7cde5620955
SHA1 hash:
e69880cf092ab8be396c751da83dc28e03e2ef0b
SH256 hash:
f717e47687c54484477cb387288c826adfa053e401a217d8f7cbb347f9b95113
MD5 hash:
23ed2065367945a1faa6130b4942fcd9
SHA1 hash:
7a6d8ba18e89a1da36bd0ff1521edb27c73534e9
SH256 hash:
07f6650903eeba5c4e084dff5cb8f4c26f670c7a667dca97f097da018ee53c4c
MD5 hash:
d4bd833e22113655e4314df06bc1c728
SHA1 hash:
5b1a57aaa1765910036562fd4247d6ad6739c168
SH256 hash:
880c9ff80de33cde042ab26d75677dab18fdc7695908d615c44efa8b5d8e088a
MD5 hash:
07e1e5baea35d75e784cce3b991a5fdc
SHA1 hash:
2f5cd9ad4acec13ddb49f9d69093f9fe475342c2
SH256 hash:
3d179be40d1745249e9328091124c66cf5365bb40e869314027c638dc11c5f10
MD5 hash:
4d56d1f7a40146167da425e04188ddd4
SHA1 hash:
4688a01295ef0129d7cc02c8056203f9f5c6d7ed
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
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.

Comments