MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74866c9e39b3fc10fa60155dad5cfb2e6b98c8d938349584ff6c358bf69c8482. 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: 74866c9e39b3fc10fa60155dad5cfb2e6b98c8d938349584ff6c358bf69c8482
SHA3-384 hash: cfc5963ff1560b13373c03347455ab7e3e3a9dc7bea86492013d58e1971003645185d64b04ee5bcf45dc1ed4a31b4205
SHA1 hash: 843608241d1fd54a2b93dfa982fc69e1709047de
MD5 hash: 992205e38b5c9e78789e8b6c4affc0b1
humanhash: iowa-winner-zulu-failed
File name:SecuriteInfo.com.Trojan.DownLoaderNET.447.2754.21449
Download: download sample
Signature Formbook
File size:67'616 bytes
First seen:2022-08-09 08:35:44 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 768:imVAYLtLXyyWLNItzzSy16xlmMwCK/3deVDdY+rEYKgZ1h:lVAYLN5W5gz6630VDHv
TLSH T170634A5ABD915809CDE8BFF429F091066A31BCD12520C19BE8F8BE189F72357ECC526C
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 174f4559191b1b13 (81 x AgentTesla, 68 x Formbook, 34 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
315
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.Trojan.DownLoaderNET.447.2754.21449
Verdict:
Malicious activity
Analysis date:
2022-08-09 08:38:31 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
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a file
Searching for synchronization primitives
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed packed virus 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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected potential unwanted application
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
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)
Uses netstat to query active network connections and open ports
Writes to foreign memory regions
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 680851 Sample: SecuriteInfo.com.Trojan.Dow... Startdate: 09/08/2022 Architecture: WINDOWS Score: 100 34 www.mihoyobbs.com 2->34 36 prod-sav-park-lb01-1919960993.us-east-2.elb.amazonaws.com 2->36 46 Snort IDS alert for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 7 other signatures 2->52 9 SecuriteInfo.com.Trojan.DownLoaderNET.447.2754.exe 15 3 2->9         started        signatures3 process4 dnsIp5 38 sebastiank.tk 162.240.35.239, 443, 49729, 49737 UNIFIEDLAYER-AS-1US United States 9->38 26 SecuriteInfo.com.T...ET.447.2754.exe.log, ASCII 9->26 dropped 62 Writes to foreign memory regions 9->62 64 Allocates memory in foreign processes 9->64 66 Injects a PE file into a foreign processes 9->66 14 cvtres.exe 9->14         started        file6 signatures7 process8 signatures9 68 Modifies the context of a thread in another process (thread injection) 14->68 70 Maps a DLL or memory area into another process 14->70 72 Sample uses process hollowing technique 14->72 74 Queues an APC in another process (thread injection) 14->74 17 explorer.exe 14->17 injected process10 dnsIp11 28 www.feiseturvaa.xyz 109.123.121.243, 49764, 80 UK2NET-ASGB United Kingdom 17->28 30 fudiso.com 91.234.46.76, 49831, 49833, 80 SEDMIODJEL-ASHR Croatia (LOCAL Name: Hrvatska) 17->30 32 5 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 42 Performs DNS queries to domains with low reputation 17->42 44 Uses netstat to query active network connections and open ports 17->44 21 NETSTAT.EXE 13 17->21         started        24 autofmt.exe 17->24         started        signatures12 process13 signatures14 54 Tries to steal Mail credentials (via file / registry access) 21->54 56 Tries to harvest and steal browser information (history, passwords, etc) 21->56 58 Modifies the context of a thread in another process (thread injection) 21->58 60 Maps a DLL or memory area into another process 21->60
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2022-08-09 08:30:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
74866c9e39b3fc10fa60155dad5cfb2e6b98c8d938349584ff6c358bf69c8482
MD5 hash:
992205e38b5c9e78789e8b6c4affc0b1
SHA1 hash:
843608241d1fd54a2b93dfa982fc69e1709047de
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:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
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.

Comments