MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f51c9c3a2de03c31cb595b81d379885e673fa139d85089f789ad94d0966c629f. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: f51c9c3a2de03c31cb595b81d379885e673fa139d85089f789ad94d0966c629f
SHA3-384 hash: 3d0e07cd82fa714368fdb02e388ff903cef36f2f5364af69910d9447b731ccfcf84268129a11f8a63e4d99ba51b37f3b
SHA1 hash: f39ebdb44a84eae7295c9c5207765a25a80ec299
MD5 hash: 52c0edabd1cd9f164c50e281f1b10e13
humanhash: mobile-don-early-island
File name:New Purchase Order.exe
Download: download sample
Signature Formbook
File size:663'040 bytes
First seen:2023-07-19 08:15:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:yVPYPfY7WXAN+2Su7MrHZr4RBwzX+I53URYcqc9Ng74quuu:GPYPgKi7SyPm+y3URYcDgNu
TLSH T138E412103EB49B13C6B9C7F91754A70823BA9EEC3461E26D8EEBECC6B195F150540E1B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter pr0xylife
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
275
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
New Purchase Order.exe
Verdict:
Malicious activity
Analysis date:
2023-07-19 08:17:42 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade 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
Antivirus detection for URL or domain
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1275776 Sample: New_Purchase_Order.exe Startdate: 19/07/2023 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 5 other signatures 2->42 10 New_Purchase_Order.exe 3 2->10         started        process3 file4 28 C:\Users\user\...28ew_Purchase_Order.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 New_Purchase_Order.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 1 14->17 injected process8 dnsIp9 30 vip.myshopline.shop 104.17.233.29, 49698, 80 CLOUDFLARENETUS United States 17->30 32 www.sawtoothai.com 13.248.169.48, 49697, 80 AMAZON-02US United States 17->32 34 2 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 cmstp.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-07-19 08:16:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ee2q rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
45b5a61e4a8f4025d3e94f407c0e84a2cde427a918f2a5446278e22117da1d4c
MD5 hash:
ca775551666be768a9241f43eec98b87
SHA1 hash:
fbbd937067a24c48ee5274d3fa2881a991e64f3c
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
SH256 hash:
c460a3d2a86f1172a5d6a5f46813716553e0b9089efd607ef8b80fcd20ae9368
MD5 hash:
36e874223d6a4e56bd9481ccc45f787f
SHA1 hash:
5965b69f1b6bee32e563519789dc4b24ed5c38f3
SH256 hash:
f51c9c3a2de03c31cb595b81d379885e673fa139d85089f789ad94d0966c629f
MD5 hash:
52c0edabd1cd9f164c50e281f1b10e13
SHA1 hash:
f39ebdb44a84eae7295c9c5207765a25a80ec299
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.

Comments