MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 95265cd9d3be6a02382744a140d2fc7ef6dd5fbfec0c03acb0e37c49192d3f35. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 95265cd9d3be6a02382744a140d2fc7ef6dd5fbfec0c03acb0e37c49192d3f35
SHA3-384 hash: 519abf36635152c8b3faa4bbd868457fa4b49c5c273e30016de491d27ced4bfafef5b7134012e708bf0f193b3f7073eb
SHA1 hash: ff7adc2c8f2b9094361f3b2655152e4ea48e2c24
MD5 hash: f7893d4684dd47ba79b7ae6072811f00
humanhash: diet-vegan-mars-hamper
File name:SEGU9670620.exe
Download: download sample
Signature Formbook
File size:724'992 bytes
First seen:2022-08-02 06:35:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'799 x AgentTesla, 19'718 x Formbook, 12'278 x SnakeKeylogger)
ssdeep 12288:6BuuWmOhLuyAH+2iN3SuFzNE4M1oqhwMwWmjWvJbB7S/h1CS:OUhLuyy+15Xz9QoqhwMw+bJS6
TLSH T128F49C6139D6721AE0268E3797D0A4A45BF1ED12F319E5672D913387C7F3EB08E12D22
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
318
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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 method to dynamically call methods (often used by packers)
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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)
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 677138 Sample: SEGU9670620.exe Startdate: 02/08/2022 Architecture: WINDOWS Score: 100 31 www.secure-id6793-chase.com 2->31 33 www.931348.com 2->33 41 Snort IDS alert for network traffic 2->41 43 Multi AV Scanner detection for domain / URL 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 9 other signatures 2->47 11 SEGU9670620.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\SEGU9670620.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 SEGU9670620.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.szyhxwj.com 154.210.24.237, 49798, 80 VPSQUANUS Seychelles 18->35 37 home.portfolioboxdns.com 52.213.55.157, 49806, 80 AMAZON-02US United States 18->37 39 3 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 cmd.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 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:
2022-08-02 04:07:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:zzun loader rat
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Xloader payload
Xloader
Unpacked files
SH256 hash:
ee9ec9235d458bb33e41db184aa746585f7527f05d4aaa83717128e88c7670bf
MD5 hash:
a4668905f7f49315c266e588c0d01b14
SHA1 hash:
f5495dd27a3fd03c33e7ac38f26d944d14217804
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6
MD5 hash:
01800f6b045def8d90c649842f56d752
SHA1 hash:
f8434a4636d0772d01aac44bb3f9753a41f01d34
SH256 hash:
5af4e24cfc8d81fb31eea48c233479e7240a7dcc14fa8fd5f69017219be52ef8
MD5 hash:
b3863ade276d2ff85391d55663ea32a8
SHA1 hash:
2503df88e4f6c871ff61edbf864fc56e869bf4a6
SH256 hash:
95265cd9d3be6a02382744a140d2fc7ef6dd5fbfec0c03acb0e37c49192d3f35
MD5 hash:
f7893d4684dd47ba79b7ae6072811f00
SHA1 hash:
ff7adc2c8f2b9094361f3b2655152e4ea48e2c24
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.

Malspam

Formbook

Executable exe 95265cd9d3be6a02382744a140d2fc7ef6dd5fbfec0c03acb0e37c49192d3f35

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments