MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 235b88b2098186a73385690814a00161b14c1ef1809e2bf70cb30940bec46bd6. 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: 14


Intelligence 14 IOCs YARA 17 File information Comments

SHA256 hash: 235b88b2098186a73385690814a00161b14c1ef1809e2bf70cb30940bec46bd6
SHA3-384 hash: 2dd9afcd4600fd9cd74d590d59731ba023e5ce265d674d153493f3fe3de718ea414f3a6c8d0c688bb219c7298fec395f
SHA1 hash: cd221b84c8ba28d0ecbc74424dcd993543347362
MD5 hash: 43fbf97d6931ed3e82b9cb26f2335450
humanhash: venus-alaska-spaghetti-delaware
File name:SecuriteInfo.com.Win32.PWSX-gen.23059.1773
Download: download sample
Signature Formbook
File size:688'640 bytes
First seen:2023-12-12 10:18:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:fou+4WpAEQy7giC/jZCISW/2VMhU/ap8tUC7+slokhhIPzoR+G23BRn9zXTGVJE+:MpAEMiyCg/2VMd8tUCCoI7goRW
Threatray 461 similar samples on MalwareBazaar
TLSH T124E42350767F2627FABA2BF38454529627B13D2554B6F2DCBDD842CD08F4BA00B90AD3
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon f0c896b2b296e8f0 (19 x AgentTesla, 5 x Formbook, 2 x AsyncRAT)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
305
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.23059.1773
Verdict:
Malicious activity
Analysis date:
2023-12-12 10:21:18 UTC
Tags:
n/a

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
hook keylogger masquerade 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, zgRAT
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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
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
Queues an APC in another process (thread injection)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1359982 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 12/12/2023 Architecture: WINDOWS Score: 100 50 www.zugingbetire.sbs 2->50 52 www.yahyag.com 2->52 54 17 other IPs or domains 2->54 64 Snort IDS alert for network traffic 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Antivirus detection for URL or domain 2->68 70 8 other signatures 2->70 10 WFwRGOF.exe 5 2->10         started        13 SecuriteInfo.com.Win32.PWSX-gen.23059.1773.exe 7 2->13         started        signatures3 process4 file5 80 Machine Learning detection for dropped file 10->80 82 Injects a PE file into a foreign processes 10->82 16 WFwRGOF.exe 10->16         started        19 schtasks.exe 1 10->19         started        46 C:\Users\user\AppData\Roaming\WFwRGOF.exe, PE32 13->46 dropped 48 C:\Users\user\AppData\Local\...\tmpB768.tmp, XML 13->48 dropped 84 Uses schtasks.exe or at.exe to add and modify task schedules 13->84 86 Adds a directory exclusion to Windows Defender 13->86 21 powershell.exe 23 13->21         started        23 schtasks.exe 1 13->23         started        25 SecuriteInfo.com.Win32.PWSX-gen.23059.1773.exe 13->25         started        signatures6 process7 signatures8 62 Maps a DLL or memory area into another process 16->62 27 ZUUeyBTJeS.exe 16->27 injected 30 conhost.exe 19->30         started        32 conhost.exe 21->32         started        34 conhost.exe 23->34         started        36 WerFault.exe 22 16 25->36         started        process9 signatures10 88 Maps a DLL or memory area into another process 27->88 38 ktmutil.exe 13 27->38         started        process11 signatures12 72 Tries to steal Mail credentials (via file / registry access) 38->72 74 Tries to harvest and steal browser information (history, passwords, etc) 38->74 76 Writes to foreign memory regions 38->76 78 3 other signatures 38->78 41 ZUUeyBTJeS.exe 38->41 injected 44 firefox.exe 38->44         started        process13 dnsIp14 56 www.zugingbetire.sbs 109.123.121.243, 49732, 49733, 49734 UK2NET-ASGB United Kingdom 41->56 58 www.benjamin-lauber.bayern 91.195.240.13, 49744, 49745, 49746 SEDO-ASDE Germany 41->58 60 8 other IPs or domains 41->60
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-12 08:17:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:zgrat rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
3b41e380d6573a939a5577a2a47fe73cd22e885b028889502732e8e420aace26
MD5 hash:
53e31d7550cd68eac7099aa77c373ab7
SHA1 hash:
a36756de88059307406c9af3bd29bbbacd489075
SH256 hash:
3864debb4cd8c56d43a9b21e04a4b6c83b750aa812df9fe2f7e6cd4d3c92bf81
MD5 hash:
68586c7980f893ab3a62de733b886ecc
SHA1 hash:
922ecee2936ac5038d65f1e2f7698a3af17a6120
SH256 hash:
0dd3e471ac24fc439c1aa535860f564e7cde46efcf784e8e9dbe9b3f96f317a0
MD5 hash:
db602cad5062895632c683734c558d80
SHA1 hash:
82383ee1ebc1b2496a20967725401a2428965b69
SH256 hash:
c34dfbc328de247d25d670c3b7853f1dddd2ec2607d5dbb0480743b45a15ea64
MD5 hash:
85b87384830444e6ab86a4a692ce96cc
SHA1 hash:
0d7d4614cf31d27e68ebf48e76fb1d308cc08152
SH256 hash:
7d968ee2ec1bf4c1bf9228f8f2794675de987ac83bac5f8c608963526a435ed3
MD5 hash:
1845455753429aeee7c7762ef407d8ea
SHA1 hash:
050f55f9458f419c8fec7b31cf80542849d33a76
SH256 hash:
235b88b2098186a73385690814a00161b14c1ef1809e2bf70cb30940bec46bd6
MD5 hash:
43fbf97d6931ed3e82b9cb26f2335450
SHA1 hash:
cd221b84c8ba28d0ecbc74424dcd993543347362
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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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