MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b86b7b4da2727c0fa8859c368f7a135eabcc3f732e0f923567ee2962b372389e. 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: b86b7b4da2727c0fa8859c368f7a135eabcc3f732e0f923567ee2962b372389e
SHA3-384 hash: 346d718fd33a2a0bd5b0e353f173c0b613db79d80ee94064be62bca6099f3ec1d3472185c7b8c91ea44ecc8d6288657a
SHA1 hash: c896e732c45af18381d1bf630a6b892a6d9028bc
MD5 hash: 6d58b9929bd0b7b212ee7748d27cc994
humanhash: fish-enemy-pasta-orange
File name:Scan №А220200021 dd 11 02 22.scr
Download: download sample
Signature Formbook
File size:324'096 bytes
First seen:2022-07-19 10:31:54 UTC
Last seen:2022-07-19 12:05:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:nLRUOJ+4RuDY2d2IcR9dYGJvtMmww61Q6o64lZ6R4wcbAFfdG+:nLKOJ+uuDYc23+mU1E68opk
TLSH T1F2644B117BE4D21AE2FF13B1F478A0104B76B617B685EB4E5DC411ED1A83B849A123BF
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 pr0xylife
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
295
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
Launching a process
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Enabling autorun by creating a file
Unauthorized injection to a system process
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 668925 Sample: Scan #U2116#U0410220200021 ... Startdate: 19/07/2022 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 4 other signatures 2->48 9 Scan #U2116#U0410220200021 dd 11 02 22.scr 15 5 2->9         started        process3 dnsIp4 38 193.233.179.125, 49731, 80 REDCOM-ASRedcomKhabarovskRussiaRU Russian Federation 9->38 40 cdn.discordapp.com 162.159.129.233, 443, 49737 CLOUDFLARENETUS United States 9->40 30 Scan #U2116#U04102...dd 11 02 22.scr.log, Unknown 9->30 dropped 66 Writes to foreign memory regions 9->66 68 Allocates memory in foreign processes 9->68 70 Injects a PE file into a foreign processes 9->70 14 RegAsm.exe 9->14         started        file5 signatures6 process7 signatures8 72 Modifies the context of a thread in another process (thread injection) 14->72 74 Maps a DLL or memory area into another process 14->74 76 Sample uses process hollowing technique 14->76 78 Queues an APC in another process (thread injection) 14->78 17 explorer.exe 14->17 injected process9 dnsIp10 32 www.alicdnoss.com 17->32 34 www.itamus.com 38.55.159.211, 49823, 49825, 80 COGENT-174US United States 17->34 36 30 other IPs or domains 17->36 50 System process connects to network (likely due to code injection or exploit) 17->50 52 Suspicious powershell command line found 17->52 54 Performs DNS queries to domains with low reputation 17->54 21 chkdsk.exe 13 17->21         started        24 powershell.exe 23 17->24         started        signatures11 process12 signatures13 56 Tries to steal Mail credentials (via file / registry access) 21->56 58 Tries to harvest and steal browser information (history, passwords, etc) 21->58 60 Modifies the context of a thread in another process (thread injection) 21->60 62 Maps a DLL or memory area into another process 21->62 64 Suspicious powershell command line found 24->64 26 powershell.exe 16 24->26         started        28 conhost.exe 1 24->28         started        process14
Threat name:
ByteCode-MSIL.Spyware.Tedy
Status:
Malicious
First seen:
2022-07-19 10:32:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
8 of 41 (19.51%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  10/10
Tags:
spyware stealer suricata
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
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
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
b86b7b4da2727c0fa8859c368f7a135eabcc3f732e0f923567ee2962b372389e
MD5 hash:
6d58b9929bd0b7b212ee7748d27cc994
SHA1 hash:
c896e732c45af18381d1bf630a6b892a6d9028bc
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:meth_get_eip
Author:Willi Ballenthin
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.

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