MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a7776cc612624b1413ac2e4c7137dcc1b846878632708bf0ff536cd85bce3fb. 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 3 File information Comments

SHA256 hash: 5a7776cc612624b1413ac2e4c7137dcc1b846878632708bf0ff536cd85bce3fb
SHA3-384 hash: f4598a198c5201ad415d55bb623625365d07e4ffcb49ef93e397d054f43afae4573a4ea47923ec7e57910c04a44e064c
SHA1 hash: bd240d3f0ec1fe07b721b3b439b5bc5d5c5c310e
MD5 hash: 01126e7f989d42f83f5b45557d56b718
humanhash: finch-east-london-cardinal
File name:New purchase order.exe
Download: download sample
Signature Formbook
File size:726'528 bytes
First seen:2023-07-22 08:35:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:WsGmBDMDciwkb3lhOyX5N4HodJ4gi8gPgaSGEE8hIW:WBmiDciD3lhvXP+yJ4gi8gPpi
Threatray 3'340 similar samples on MalwareBazaar
TLSH T107F4493C08BD223786B4EFA58FD48457F0C0A96FB211AD35A5E74B654306A16F9C723E
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 abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
286
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
New purchase order.exe
Verdict:
Malicious activity
Analysis date:
2023-07-22 08:46:29 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
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
.NET source code contains very large strings
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)
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1277725 Sample: New_purchase_order.exe Startdate: 22/07/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 9 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 proflidi.com 162.240.81.18, 49695, 80 UNIFIEDLAYER-AS-1US United States 17->30 32 premsaoli.cat 81.88.48.71, 49696, 80 REGISTER-ASIT Italy 17->32 34 5 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 wscript.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.Leonem
Status:
Malicious
First seen:
2023-07-22 06:39:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
SH256 hash:
23aa0bf5a3863f4ce4cd5b34ea621249fdaa56d0310b247ae4f4a3a3e7901ffb
MD5 hash:
06f93c4abb0f7eb448658d19afe50263
SHA1 hash:
7a0dd385575544f2c35cecb1d3c30d4d90c3e087
SH256 hash:
eb9659fe647ed73c38a6ed5cf811392aa36230b6ff91a8588d1b5ab557757eb0
MD5 hash:
0364f8100802aade2ab6f4027e7e7c2c
SHA1 hash:
17830b30799b545cf25f676a407608ca4be4c17c
SH256 hash:
5a7776cc612624b1413ac2e4c7137dcc1b846878632708bf0ff536cd85bce3fb
MD5 hash:
01126e7f989d42f83f5b45557d56b718
SHA1 hash:
bd240d3f0ec1fe07b721b3b439b5bc5d5c5c310e
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:Dotnet_Hidden_Executables_Detect
Author:Mehmet Ali Kerimoglu (@CYB3RMX)
Description:This rule detects hidden PE file presence.
Reference:https://github.com/CYB3RMX/Qu1cksc0pe
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.

Malspam

Formbook

Executable exe 5a7776cc612624b1413ac2e4c7137dcc1b846878632708bf0ff536cd85bce3fb

(this sample)

  
Delivery method
Distributed via e-mail attachment

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