MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468. 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: 18


Intelligence 18 IOCs YARA 2 File information Comments

SHA256 hash: fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468
SHA3-384 hash: 89c5536ecc41fa5600ede1cb7c26d6146dcc2edbabb39f726d4d1a8c64a0bf0a0f4541b50a20f1ec733bb75627f3e1be
SHA1 hash: a81a13005df44e605ef3e17c05adb77b009cf774
MD5 hash: b661633cfae6e392a3994073f6efc706
humanhash: mars-sierra-oxygen-lake
File name:obizx.exe
Download: download sample
Signature Formbook
File size:558'592 bytes
First seen:2023-08-03 17:14:53 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:xqDU6pqFdwBg8HT4zoYe1A5OTb8H8lrTDYnbE:gDRqMBnzFh1A55H86n
Threatray 3'701 similar samples on MalwareBazaar
TLSH T125C423B3719DAD19CC4E927D59E35884133BAA06A4DBF6397DC831ACDDA6304B03213B
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)
File icon (PE):PE icon
dhash icon 5ab9f8e4f8999ab8 (5 x Loki, 5 x AgentTesla, 3 x Formbook)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
294
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SCANNED COPY.docx
Verdict:
Malicious activity
Analysis date:
2023-08-03 14:53:13 UTC
Tags:
exploit cve-2017-11882 formbook xloader stealer spyware

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

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
clipbanker comodo darkkomet 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.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 dnsIp2 2 Behavior Graph ID: 1285263 Sample: obizx.exe Startdate: 03/08/2023 Architecture: WINDOWS Score: 100 31 www.damactrade.net 2->31 33 damactrade.net 2->33 41 Snort IDS alert for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 8 other signatures 2->47 11 obizx.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\obizx.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 15 obizx.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 1 15->18 injected process9 dnsIp10 35 elperegrinocabo.com 50.87.141.117, 49701, 80 UNIFIEDLAYER-AS-1US United States 18->35 37 www.fundamentplus.com 45.59.122.86, 49699, 80 ANYNODEUS 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 help.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.LokiBot
Status:
Malicious
First seen:
2023-08-03 12:58:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:oy30 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
ac8768f08b9495e7023b01546679be265510f5c2512d8bc2174d846eaeb379ab
MD5 hash:
4fafab18430d6a314b9e90797d939a72
SHA1 hash:
d3a649f6f6d72cf7416b325b6ff2f0f6aa1fd312
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
49145ed861b412bc015ff0800969052756deea17d5c6285da8f5937c0efdad46
MD5 hash:
0ef5168d36eee9ca0bcefcd84b907b70
SHA1 hash:
b40debea28d99750fe9b6a2b7d243eb35549aed5
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
SH256 hash:
ea2b7a4c99cac866216a46342f09cba3ad9c754c64e4393cbcccb1f38d022fb6
MD5 hash:
232042edd2d6785ce9d79ec377fe542c
SHA1 hash:
7dff504dec6afef0d658cced00132e68f02a4001
SH256 hash:
fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468
MD5 hash:
b661633cfae6e392a3994073f6efc706
SHA1 hash:
a81a13005df44e605ef3e17c05adb77b009cf774
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 fbfd173952479920e0f3a8aa41bdd2faea86d2de9a7080a023831e4769c94468

(this sample)

  
Delivery method
Distributed via web download

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