MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 257392d202836c2911f98af1975bd90e2c2bf9bbc3ebb59a241e1ae3ae4c1eac. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 257392d202836c2911f98af1975bd90e2c2bf9bbc3ebb59a241e1ae3ae4c1eac
SHA3-384 hash: 09523e126760317a1494f8cadac8987aa917220b574e01d46428ce82969b3aa23ad47cb18aefdc20117c1e4f3d7f1088
SHA1 hash: e19ab116f7b2f42955904c3aa7f722d7520839af
MD5 hash: 0fc9e3b1de7f2c909a2552023a384ec3
humanhash: spring-mexico-fanta-moon
File name:SecuriteInfo.com.Trojan.GenericKD.70689352.25194.12145
Download: download sample
Signature Formbook
File size:547'404 bytes
First seen:2023-12-06 04:20:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:wYEiXWdSLh2iAKspbSeis5hasPAhzt8m5k4E91YDo:wYEiGdSLha9pYWh/PAhzt8m5Ovh
TLSH T1FBC4226ED940C053DD654F315D7102B3EDD3FD3A31759AAA4B68398A3B7BA84F12E202
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0104070f0f171663 (4 x GuLoader, 2 x Formbook)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
313
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Delayed reading of the file
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Sending an HTTP GET request
Launching a process
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
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, GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Very long command line found
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1354397 Sample: SecuriteInfo.com.Trojan.Gen... Startdate: 06/12/2023 Architecture: WINDOWS Score: 100 45 www.skinnovations.xyz 2->45 47 www.zethcraft.info 2->47 49 15 other IPs or domains 2->49 67 Snort IDS alert for network traffic 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus detection for URL or domain 2->71 75 4 other signatures 2->75 12 SecuriteInfo.com.Trojan.GenericKD.70689352.25194.12145.exe 15 61 2->12         started        15 wab.exe 3 1 2->15         started        17 wab.exe 1 2->17         started        signatures3 73 Performs DNS queries to domains with low reputation 45->73 process4 file5 41 C:\Users\user\AppData\Local\...\Organized.Hus, data 12->41 dropped 43 C:\Users\user\AppData\Local\...\nssE107.tmp, zlib 12->43 dropped 19 powershell.exe 12 12->19         started        process6 signatures7 77 Suspicious powershell command line found 19->77 79 Very long command line found 19->79 81 Found suspicious powershell code related to unpacking or dynamic code loading 19->81 22 powershell.exe 14 19->22         started        25 conhost.exe 19->25         started        process8 signatures9 83 Writes to foreign memory regions 22->83 27 wab.exe 6 22->27         started        process10 dnsIp11 57 lemartines.ru.com 147.50.227.33, 443, 49709 CSLOX-IDC-AS-APCSLOXINFOPublicCompanyLimitedTH Thailand 27->57 85 Maps a DLL or memory area into another process 27->85 31 HToTrZkXDwBCNLQXDCR.exe 27->31 injected signatures12 process13 process14 33 prevhost.exe 1 13 31->33         started        signatures15 59 Tries to steal Mail credentials (via file / registry access) 33->59 61 Tries to harvest and steal browser information (history, passwords, etc) 33->61 63 Writes to foreign memory regions 33->63 65 3 other signatures 33->65 36 HToTrZkXDwBCNLQXDCR.exe 33->36 injected 39 firefox.exe 33->39         started        process16 dnsIp17 51 www.zethcraft.info 203.161.62.199, 49723, 49724, 49725 VNPT-AS-VNVNPTCorpVN Malaysia 36->51 53 www.ccamio.com 91.195.240.117, 49739, 49740, 49741 SEDO-ASDE Germany 36->53 55 9 other IPs or domains 36->55
Threat name:
Win32.Trojan.Malgent
Status:
Malicious
First seen:
2023-12-05 13:16:00 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
11 of 23 (47.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader downloader
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks computer location settings
Guloader,Cloudeye
Unpacked files
SH256 hash:
257392d202836c2911f98af1975bd90e2c2bf9bbc3ebb59a241e1ae3ae4c1eac
MD5 hash:
0fc9e3b1de7f2c909a2552023a384ec3
SHA1 hash:
e19ab116f7b2f42955904c3aa7f722d7520839af
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_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


The table below shows additional information about this malware sample such as delivery method and external references.

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