MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d24ea1fb5048a0cad103d4e728f7089562bc3397d7e6cc5a7933a12ed4b658f1. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: d24ea1fb5048a0cad103d4e728f7089562bc3397d7e6cc5a7933a12ed4b658f1
SHA3-384 hash: 241cb55dfcdf162807c8c62db441a32cb646f8ec84e409be086f1b40ea315c0a8bce87854c47148324889f22a7d82119
SHA1 hash: 6e6f6092c828ef1713f1c4ac5224aacc480c757c
MD5 hash: 98eb07adf19b4bdfd6ab646732ed8c03
humanhash: purple-oklahoma-texas-autumn
File name:New order_WJO-002,pdf.exe
Download: download sample
Signature Formbook
File size:1'049'088 bytes
First seen:2022-05-25 10:56:37 UTC
Last seen:2022-05-25 11:59:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:66aHPCL6TcuV7mVlLMEmtTGwTnjofQkrx4btg+CBXZSlHAiT+:6lH8qd5tqwTncqbt5CKT+
TLSH T1A8258D70265C8498DFBD7A3AC36EA6DC01F45DE7C91F8D0938C627A3E522D5268DB312
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 64e4ccdcb2c2d4cc (9 x Formbook, 4 x BluStealer, 3 x RemcosRAT)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
285
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New order_WJO-002,pdf.exe
Verdict:
Suspicious activity
Analysis date:
2022-05-25 11:00:20 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Reading critical registry keys
Forced shutdown of a system process
Query of malicious DNS domain
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated 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.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
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
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 633992 Sample: New order_WJO-002,pdf.exe Startdate: 25/05/2022 Architecture: WINDOWS Score: 100 31 www.theghostwigfactory.com 2->31 33 www.orgonejewelsuk.com 2->33 35 theghostwigfactory.com 2->35 43 Snort IDS alert for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 10 other signatures 2->49 11 New order_WJO-002,pdf.exe 1 2->11         started        signatures3 process4 file5 29 C:\Users\...29ew order_WJO-002,pdf.exe.log, ASCII 11->29 dropped 59 Writes to foreign memory regions 11->59 61 Allocates memory in foreign processes 11->61 63 Injects a PE file into a foreign processes 11->63 15 printui.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 2 other signatures 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.pakwarriors.com 18->37 39 www.eldoradodao.finance 18->39 41 2 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 svchost.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:
2022-05-25 09:43:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
43
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:edru loader persistence rat spyware stealer suricata
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
d24ea1fb5048a0cad103d4e728f7089562bc3397d7e6cc5a7933a12ed4b658f1
MD5 hash:
98eb07adf19b4bdfd6ab646732ed8c03
SHA1 hash:
6e6f6092c828ef1713f1c4ac5224aacc480c757c
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: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.

Malspam

Formbook

Executable exe d24ea1fb5048a0cad103d4e728f7089562bc3397d7e6cc5a7933a12ed4b658f1

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments