MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f. 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 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f
SHA3-384 hash: 9784ca0a4e515370f4b5cf36cfc82ec8bcb2d8ac18ebb1e56ca61b7861a7a50af9fd5bfda49db5ef156a4dd8e94e342b
SHA1 hash: 4bb20cd3579475c5d43866854b81b5bea6352fc8
MD5 hash: 997ea9f1ccc67db15ec3a551f932bd25
humanhash: lemon-october-comet-sweet
File name:SecuriteInfo.com.Win32.PWSX-gen.25299.23241
Download: download sample
Signature Formbook
Create hunting rule
File size:1'032'192 bytes
First seen:2024-02-12 13:29:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:UXn8krIG6w+Fwdw1BCNs5pDhfz87brh8p:o8mLMwm1BCNGVfz87h
TLSH T12A25026671D8DB23C59ADE3434B110C342A26C25D649E2D80EAD6DEB3EB37B540379B3
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
302
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe
Verdict:
Malicious activity
Analysis date:
2024-02-12 13:34:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b0cad6f0-c8ec-4dfb-a9e9-1b7d855befb1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/475843/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.25299.23241.UNOFFICIAL
Create hunting rule

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
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65ca1d5dbae89e4fdc4cee9e/reports/8c4d8216-1d61-4d09-a018-e230fd49af19/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f
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.
Malware family:
MSIL Injector
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/106b1038-c54e-4d6b-8beb-029d48e83bfd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1390787
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1390787 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 12/02/2024 Architecture: WINDOWS Score: 100 52 Malicious sample detected (through community Yara rule) 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 6 other signatures 2->58 9 BLHFOeXtlRDR.exe 5 2->9         started        12 SecuriteInfo.com.Win32.PWSX-gen.25299.23241.exe 7 2->12         started        process3 file4 60 Multi AV Scanner detection for dropped file 9->60 62 Machine Learning detection for dropped file 9->62 64 Injects a PE file into a foreign processes 9->64 15 BLHFOeXtlRDR.exe 9->15         started        18 schtasks.exe 1 9->18         started        20 BLHFOeXtlRDR.exe 9->20         started        48 C:\Users\user\AppData\...\BLHFOeXtlRDR.exe, PE32 12->48 dropped 50 C:\Users\user\AppData\Local\...\tmp2910.tmp, XML 12->50 dropped 66 Uses schtasks.exe or at.exe to add and modify task schedules 12->66 68 Adds a directory exclusion to Windows Defender 12->68 22 powershell.exe 22 12->22         started        24 schtasks.exe 1 12->24         started        26 SecuriteInfo.com.Win32.PWSX-gen.25299.23241.exe 12->26         started        signatures5 process6 signatures7 76 Maps a DLL or memory area into another process 15->76 28 eiBObcmeAdWXPXWnPvJBr.exe 15->28 injected 31 conhost.exe 18->31         started        33 WmiPrvSE.exe 22->33         started        35 conhost.exe 22->35         started        37 conhost.exe 24->37         started        39 WerFault.exe 19 16 26->39         started        process8 signatures9 74 Maps a DLL or memory area into another process 28->74 41 RmClient.exe 28->41         started        process10 signatures11 70 Maps a DLL or memory area into another process 41->70 72 Queues an APC in another process (thread injection) 41->72 44 explorer.exe 1 41->44 injected 46 eiBObcmeAdWXPXWnPvJBr.exe 41->46 injected process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2024-02-12 10:54:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ebbl3tc6iqfxk7gqlf53dbowzxuwlgyppfiibgwpisfcpwz6pnxq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240212-qrs2qagd55/
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
Unpacked files
SH256 hash:
9514f9a358b051ecba9590b4b7bd3527605f6c789eae1fe9e88980fa94c42361
MD5 hash:
68b8746329392a47b8dcca0ea951e090
SHA1 hash:
d74db67a5c2c76b32243c653d8216b58b4172e6b
Link:
https://www.unpac.me/results/e1fc30e9-2b50-464f-9122-5dde5b2e36b2/
SH256 hash:
8b93c302a6aecc13f0ec1844efd32e8e82d7a7de76318ffff4cbff16adedcadb
MD5 hash:
5c9287c3a3d3211075a19f10c2193217
SHA1 hash:
b2c49efe3844f75c12a6cd71321c8773a0779e51
Link:
https://www.unpac.me/results/e1fc30e9-2b50-464f-9122-5dde5b2e36b2/
SH256 hash:
35057ef2e6b0b2c50fbeffb1a16fca1de4cd13cd70931a8c82b658005035f865
MD5 hash:
5caf1ca09b8e35915ce965e23da6a6b9
SHA1 hash:
af535f7050548c97a207b24ba39af40c762f76a1
Link:
https://www.unpac.me/results/e1fc30e9-2b50-464f-9122-5dde5b2e36b2/
SH256 hash:
4c384312d34819a13e5a42a82e08fcfae96c26bfdc8c85f0b7863c1964f8a141
MD5 hash:
563d925b75d192ccf5ac021fde64ff97
SHA1 hash:
37d69ef3f935b59cdc9a42d659279a5cdef23dd1
Link:
https://www.unpac.me/results/e1fc30e9-2b50-464f-9122-5dde5b2e36b2/
SH256 hash:
a3b82e2d17f660c450ba4dae95a26b906f12626462a4bb9a6c2833071dd9faf5
MD5 hash:
cf3241f04cc546fa617566e84b5c1793
SHA1 hash:
0b9cbe0c45fba268857e11ad4d71105193c19d02
Link:
https://www.unpac.me/results/e1fc30e9-2b50-464f-9122-5dde5b2e36b2/
SH256 hash:
2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f
MD5 hash:
997ea9f1ccc67db15ec3a551f932bd25
SHA1 hash:
4bb20cd3579475c5d43866854b81b5bea6352fc8
Link:
https://www.unpac.me/results/e1fc30e9-2b50-464f-9122-5dde5b2e36b2/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2042bdcc5e44/report/overview.html
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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/475843/

Comments