MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d9174bdec1898ff2c3f05a51ec346057741162d0f762ae67f98210e977a39ac. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 1d9174bdec1898ff2c3f05a51ec346057741162d0f762ae67f98210e977a39ac
SHA3-384 hash: 0afe3e953c6e8ffce5ea73160e178114c907368ee5792dc563263184e1f9eebbb24bb785197da8657405a36c71cec326
SHA1 hash: 2830de67b84f187a08c5cc6026b53f15df3e4459
MD5 hash: 4690ef0eccfef1bf3e865435fa2e8f39
humanhash: summer-crazy-red-pizza
File name:PO64456788876545678765454.exe
Download: download sample
Signature FormBook
File size:895'488 bytes
First seen:2022-12-30 11:24:19 UTC
Last seen:2022-12-31 06:17:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:AdS1Cn/M0MkxngO+HuQaqiknZ1qAst95vfS:+SM/dMUQH9atkZ1qNt7fS
TLSH T19215A6395CBF563FF2F5DBB49B949024BCA599BE37017B316896E0654F0A80323C61AC
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)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
182
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO64456788876545678765454.exe
Verdict:
Malicious activity
Analysis date:
2022-12-30 11:25:37 UTC
Tags:
formbook xloader

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
Creating a file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook 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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
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
Sigma detected: Steal Google chrome login data
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 775896 Sample: PO64456788876545678765454.exe Startdate: 30/12/2022 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 11 other signatures 2->55 9 PO64456788876545678765454.exe 3 2->9         started        process3 file4 35 C:\...\PO64456788876545678765454.exe.log, ASCII 9->35 dropped 59 Uses ipconfig to lookup or modify the Windows network settings 9->59 61 Tries to detect virtualization through RDTSC time measurements 9->61 13 PO64456788876545678765454.exe 9->13         started        signatures5 process6 signatures7 63 Modifies the context of a thread in another process (thread injection) 13->63 65 Maps a DLL or memory area into another process 13->65 67 Sample uses process hollowing technique 13->67 69 Queues an APC in another process (thread injection) 13->69 16 ipconfig.exe 18 13->16         started        20 explorer.exe 13->20 injected process8 dnsIp9 29 C:\Users\user\AppData\...296Mlogrv.ini, data 16->29 dropped 31 C:\Users\user\AppData\...316Mlogri.ini, data 16->31 dropped 39 Detected FormBook malware 16->39 41 Tries to steal Mail credentials (via file / registry access) 16->41 43 Tries to harvest and steal browser information (history, passwords, etc) 16->43 47 3 other signatures 16->47 23 cmd.exe 2 16->23         started        37 www.shronky.com 103.224.182.242, 49697, 49698, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 20->37 45 System process connects to network (likely due to code injection or exploit) 20->45 file10 signatures11 process12 file13 33 C:\Users\user\AppData\Local\Temp\DB1, SQLite 23->33 dropped 57 Tries to harvest and steal browser information (history, passwords, etc) 23->57 27 conhost.exe 23->27         started        signatures14 process15
Threat name:
ByteCode-MSIL.Trojan.Tnega
Status:
Malicious
First seen:
2022-12-29 11:06:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ned5 rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Gathers network information
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
4cece941789b936fe60fc300831989ebda767270be85931d6bb28830ed81e752
MD5 hash:
e16636eeac7e13ffc91f60a68d0960f3
SHA1 hash:
c53086ca14dbd95f5f2e4cd97b46cab0007db978
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
SH256 hash:
1d9174bdec1898ff2c3f05a51ec346057741162d0f762ae67f98210e977a39ac
MD5 hash:
4690ef0eccfef1bf3e865435fa2e8f39
SHA1 hash:
2830de67b84f187a08c5cc6026b53f15df3e4459
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.

Comments