MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2548c04db4ea5f38623e33475254f4429f0278f86da3326d742746a46dfb5d85. 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 2 File information Comments

SHA256 hash: 2548c04db4ea5f38623e33475254f4429f0278f86da3326d742746a46dfb5d85
SHA3-384 hash: 50980279aa73d9e27e0a78ffd07371f1601241ce62891e39b12a8566ff519cfcae39ffbe01d4bc9a8488e5607daace6c
SHA1 hash: 162695c6ebbfb5ae34b3bc8eb0ac25f034697033
MD5 hash: 0b909b5733aa3a6672709bbfa4b3238c
humanhash: tango-neptune-mirror-zulu
File name:SecuriteInfo.com.Trojan.Siggen18.44423.26941.4148
Download: download sample
Signature Formbook
File size:16'896 bytes
First seen:2022-09-09 02:51:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 192:Te45ILGZPBmwQpmd3YUziJ2hqyqyeyKyU0yD:T95ILGZrvqXDHj0
TLSH T11372E71573A4C7BDCEEA07756E67470206A7FE41B422CE2AD4E4719F6E722C109825D3
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 991d754d4d554569 (4 x Formbook, 1 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
361
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.Siggen18.44423.26941.4148
Verdict:
Malicious activity
Analysis date:
2022-09-09 02:54:04 UTC
Tags:
opendir

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

Behaviour
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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:
AsyncRAT, FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 700083 Sample: SecuriteInfo.com.Trojan.Sig... Startdate: 09/09/2022 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 7 other signatures 2->49 7 SecuriteInfo.com.Trojan.Siggen18.44423.26941.4148.exe 16 7 2->7         started        12 Kvgapl.exe 14 4 2->12         started        14 Kvgapl.exe 3 2->14         started        process3 dnsIp4 41 103.207.39.154, 49734, 49754, 49755 VNPT-AS-VNVNPTCorpVN Viet Nam 7->41 35 C:\Users\user\AppData\Roaming\...\Kvgapl.exe, PE32 7->35 dropped 37 C:\Users\user\...\Kvgapl.exe:Zone.Identifier, ASCII 7->37 dropped 39 SecuriteInfo.com.T....26941.4148.exe.log, ASCII 7->39 dropped 53 Encrypted powershell cmdline option found 7->53 55 Injects a PE file into a foreign processes 7->55 16 powershell.exe 16 7->16         started        18 SecuriteInfo.com.Trojan.Siggen18.44423.26941.4148.exe 7->18         started        20 SecuriteInfo.com.Trojan.Siggen18.44423.26941.4148.exe 7->20         started        57 Machine Learning detection for dropped file 12->57 22 Kvgapl.exe 12->22         started        25 powershell.exe 13 12->25         started        27 powershell.exe 14->27         started        file5 signatures6 process7 signatures8 29 conhost.exe 16->29         started        51 Maps a DLL or memory area into another process 22->51 31 conhost.exe 25->31         started        33 conhost.exe 27->33         started        process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-09-09 02:52:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:gzs2 persistence rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Formbook
Unpacked files
SH256 hash:
2548c04db4ea5f38623e33475254f4429f0278f86da3326d742746a46dfb5d85
MD5 hash:
0b909b5733aa3a6672709bbfa4b3238c
SHA1 hash:
162695c6ebbfb5ae34b3bc8eb0ac25f034697033
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