MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a9cec6acfa41d46ff27e276a87461a472946b831110b00682f76fc629db2c45. 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: 3a9cec6acfa41d46ff27e276a87461a472946b831110b00682f76fc629db2c45
SHA3-384 hash: 7c184d5e0e6b9669504e6fafecfb33996b9f6322f2efc5a8618eac38377c5f7e731e36b7485470212869d912497ff94c
SHA1 hash: 0eeee5ed3436268019f52a4839c0eaa4e0d9eacc
MD5 hash: b322d4c3836bd969f88049d04c0a1ac5
humanhash: bacon-golf-river-five
File name:SecuriteInfo.com.W32.AIDetectNet.01.29155.6541
Download: download sample
Signature Formbook
File size:30'208 bytes
First seen:2022-06-14 19:38:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'640 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 768:YAYb+CNf7ojFYwQ7XvLWRgcL0ST8iNxy2m:jYb+sm7oWRgcL9HNxvm
TLSH T1E7D2BF5BF7A4CA25E97107712EB343004B78B452CC279B6F64C0A50F7E623A105D7BB6
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)
File icon (PE):PE icon
dhash icon b28ccaacda53d39b (34 x Formbook, 1 x BitRAT, 1 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
297
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.29155.6541
Verdict:
Malicious activity
Analysis date:
2022-06-14 19:41:31 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
Launching a process
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed wacatac
Result
Verdict:
UNKNOWN
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
Creates an undocumented autostart registry key
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 dropped file
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 Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 645717 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 14/06/2022 Architecture: WINDOWS Score: 100 57 Snort IDS alert for network traffic 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 7 other signatures 2->63 10 SecuriteInfo.com.W32.AIDetectNet.01.29155.exe 15 7 2->10         started        process3 dnsIp4 49 toesbv.ga 192.185.174.189, 49774, 80 UNIFIEDLAYER-AS-1US United States 10->49 39 C:\Users\user\AppData\...\Lycjfgqga.exe, PE32 10->39 dropped 41 SecuriteInfo.com.W...et.01.29155.exe.log, ASCII 10->41 dropped 67 Creates an undocumented autostart registry key 10->67 15 MSBuild.exe 10->15         started        18 cmd.exe 1 10->18         started        20 powershell.exe 15 10->20         started        file5 signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 2 other signatures 15->75 22 explorer.exe 15->22 injected 26 conhost.exe 18->26         started        28 timeout.exe 1 18->28         started        30 conhost.exe 20->30         started        process9 dnsIp10 43 www.slhomeservices.com 154.204.70.67, 49861, 80 ITACE-AS-APItaceInternationalLimitedHK Seychelles 22->43 45 www.52appmj.com 45.194.133.237, 49860, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 22->45 47 2 other IPs or domains 22->47 65 System process connects to network (likely due to code injection or exploit) 22->65 32 help.exe 22->32         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 32->51 53 Maps a DLL or memory area into another process 32->53 55 Tries to detect virtualization through RDTSC time measurements 32->55 35 cmd.exe 1 32->35         started        process14 process15 37 conhost.exe 35->37         started       
Threat name:
Win32.Dropper.Generic
Status:
Suspicious
First seen:
2022-06-14 19:19:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
7 of 41 (17.07%)
Threat level:
  3/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s4s9 rat spyware stealer suricata trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
3a9cec6acfa41d46ff27e276a87461a472946b831110b00682f76fc629db2c45
MD5 hash:
b322d4c3836bd969f88049d04c0a1ac5
SHA1 hash:
0eeee5ed3436268019f52a4839c0eaa4e0d9eacc
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.

Web download

Formbook

Executable exe 3a9cec6acfa41d46ff27e276a87461a472946b831110b00682f76fc629db2c45

(this sample)

  
Delivery method
Distributed via web download

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