MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1fb52fd8e565ad6737e96ed8256dcfde69bb7ad7b0d81f15317dc25e2dbfc8c7. 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 3 File information Comments

SHA256 hash: 1fb52fd8e565ad6737e96ed8256dcfde69bb7ad7b0d81f15317dc25e2dbfc8c7
SHA3-384 hash: e38f56e7a164ebfb8e9be0841d0005c1d7c644140fc75049071fd44ef08dbf8cf0301ef671946ddb91284c8b1d056960
SHA1 hash: df5aea642d982fd83dc25d282cb748cec13c5184
MD5 hash: cff53c52ac9b9acbc887af1ee5407ea1
humanhash: blossom-delaware-butter-fourteen
File name:cff53c52ac9b9acbc887af1ee5407ea1.exe
Download: download sample
Signature Formbook
File size:2'074'624 bytes
First seen:2022-07-09 06:44:42 UTC
Last seen:2022-07-09 07:43:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:7zQUlc6XEERdM+G5F7tffhuITq/N28drTGi94V3bCoe6VbIONs+5mI3mW8wbnSSP:7OX4Th2Co3Vb/mW8wbSSjHI/Xlt/O
TLSH T112A5191937E8D107E0AF47B06978D36A0AB27879BB51C62E395471AE2C737805F2137B
TrID 49.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
28.9% (.EXE) InstallShield setup (43053/19/16)
7.0% (.EXE) Win64 Executable (generic) (10523/12/4)
4.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon e0f0d2f0e2ccb492 (5 x Formbook, 4 x AveMariaRAT, 3 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
414
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Query of malicious DNS domain
Sending a TCP request to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
stealer
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
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 domain / URL
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
Yara detected Generic Downloader
Yara detected MSILDownloaderGeneric
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 660176 Sample: GHhbwSGkfk.exe Startdate: 09/07/2022 Architecture: WINDOWS Score: 100 32 www.wordpress-login.online 2->32 34 www.turides.com 2->34 52 Snort IDS alert for network traffic 2->52 54 Multi AV Scanner detection for domain / URL 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 6 other signatures 2->58 11 GHhbwSGkfk.exe 15 3 2->11         started        signatures3 process4 dnsIp5 40 srv99775454.ultasrv.com 174.139.150.149, 443, 49763, 49765 VPLSNETUS United States 11->40 42 cdn.discordapp.com 162.159.130.233, 443, 49767 CLOUDFLARENETUS United States 11->42 30 C:\Users\user\AppData\...behaviorgraphHhbwSGkfk.exe.log, ASCII 11->30 dropped 68 Tries to detect virtualization through RDTSC time measurements 11->68 70 Injects a PE file into a foreign processes 11->70 16 GHhbwSGkfk.exe 11->16         started        file6 signatures7 process8 signatures9 44 Modifies the context of a thread in another process (thread injection) 16->44 46 Maps a DLL or memory area into another process 16->46 48 Sample uses process hollowing technique 16->48 50 Queues an APC in another process (thread injection) 16->50 19 explorer.exe 16->19 injected process10 dnsIp11 36 3118nkenneth.info 15.197.136.110, 49862, 80 TANDEMUS United States 19->36 38 www.3118nkenneth.info 19->38 60 System process connects to network (likely due to code injection or exploit) 19->60 23 cmstp.exe 19->23         started        signatures12 process13 signatures14 62 Modifies the context of a thread in another process (thread injection) 23->62 64 Maps a DLL or memory area into another process 23->64 66 Tries to detect virtualization through RDTSC time measurements 23->66 26 cmd.exe 1 23->26         started        process15 process16 28 conhost.exe 26->28         started       
Threat name:
Win32.Spyware.Noon
Status:
Malicious
First seen:
2022-07-08 21:38:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
87
AV detection:
16 of 26 (61.54%)
Threat level:
  2/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Downloads MZ/PE file
Xloader payload
Xloader
Unpacked files
SH256 hash:
1fb52fd8e565ad6737e96ed8256dcfde69bb7ad7b0d81f15317dc25e2dbfc8c7
MD5 hash:
cff53c52ac9b9acbc887af1ee5407ea1
SHA1 hash:
df5aea642d982fd83dc25d282cb748cec13c5184
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
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 1fb52fd8e565ad6737e96ed8256dcfde69bb7ad7b0d81f15317dc25e2dbfc8c7

(this sample)

  
Delivery method
Distributed via web download

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