MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc. 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: 15


Intelligence 15 IOCs YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc
SHA3-384 hash: 21d2fe40b67fc79d674c7b74e63b612a817fd63c1c96b0666e3394ee8b0ae3fe0ce4d6048a4acf966cd942ed47d432f2
SHA1 hash: 5b488378f9c4b0359b1f41d5d68278889ccf1e8c
MD5 hash: eff5dfe237f7290d49068495503bb7e9
humanhash: echo-fillet-mexico-beer
File name:Purchase Order For Consumables Eltra 118363725_9645364782_1197653623_836652746_22994644.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'220'096 bytes
First seen:2024-04-29 09:21:50 UTC
Last seen:2024-04-29 10:29:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 24576:1qDEvCTbMWu7rQYlBQcBiT6rprG8abNepSzZ6V3xhE:1TvC/MTQYxsWR7abNeUzZMB
Threatray 1'943 similar samples on MalwareBazaar
TLSH T1AD45CF027391C062FFAB92334F9AF6115BBC79260123A61F13A81D79BD705B1563E7A3
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
326
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc.exe
Verdict:
Malicious activity
Analysis date:
2024-04-29 09:24:59 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8440071b-c676-4c05-94ff-a333ce00a449

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
Creating a file in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Сreating synchronization primitives
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f71c3f0c-ec17-45c5-9016-8972b22b225f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433203
Signature
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Found API chain indicative of sandbox detection
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1433203 Sample: Purchase Order For Consumab... Startdate: 29/04/2024 Architecture: WINDOWS Score: 100 34 www.wuhangyjs.com 2->34 36 www.wavebsb.com 2->36 38 8 other IPs or domains 2->38 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 8 other signatures 2->50 11 Purchase Order For Consumables Eltra 118363725_9645364782_1197653623_836652746_22994644.exe 4 2->11         started        signatures3 process4 signatures5 58 Binary is likely a compiled AutoIt script file 11->58 60 Writes to foreign memory regions 11->60 62 Maps a DLL or memory area into another process 11->62 14 svchost.exe 11->14         started        process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 2 other signatures 14->70 17 explorer.exe 60 7 14->17 injected process8 dnsIp9 28 www.electric-cars-97134.bond 104.247.82.94, 49736, 80 TEAMINTERNET-CA-ASCA Canada 17->28 30 www.36h9.com 75.126.104.234, 49743, 80 SOFTLAYERUS United States 17->30 32 5 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 42 Uses netsh to modify the Windows network and firewall settings 17->42 21 netsh.exe 17->21         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc/
Threat name:
Win32.Trojan.Strab
Create hunting rule
Status:
Malicious
First seen:
2024-04-26 06:40:51 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gqddoo5rvklyxoghnxbsfj65zuctwk5hqjiwtacxfo2opg3uf76a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0a88a2e3cd7e300b0d55966ff1b19c3643739dd1bdeaada05f9e7f8841557202
Formbook
296ccbad60495d5152717c56a0d871e2fbd5413bbdac0e41edb6fcaccf49db36
Formbook
331ca91b3a643aab796547bdd69ecd624ab13ac224ea80f88ca4a8987c0625e3
Formbook
37fd7b8035bd49b8dfad405a793428dda8cbf623de0133818756d05a1191d8b7
Formbook
47d5dfe5d59cd87f1d41105123e02fa661a17e7e0623125c51956165113f8f4e
Formbook
5e89ab886cf3b566f09eae1c670f3c25748d9ac78bc04d8b34ed71300ee53dc6
Formbook
87698c1e19d65ae8f35f18b98690093601458944fe6317009f884c4e3b2a4842
Formbook
ad896a8982941cd8a7b4f237f775e712dc1a05cfb2d80601d45f4cc73475ecc0
Formbook
ae300b28b2240d11d01e9066a26a88349258d4016c41460604c9ff5bb64c9b6d
Formbook
ca1d2592c9726d9e3a6a57c55ac57b40d9aa3bc501393a40962afd5bd4946433
Formbook
+ 1'933 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:se63 rat spyware stealer trojan
Link:
https://tria.ge/reports/240429-lbwqfsfe3z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
c8dde6a946109da23857b8b79ae4c374a5bf4af833e4e337a4980ebbad876c20
MD5 hash:
3d1bc796ed3c8417268c61ccb3d0eeb9
SHA1 hash:
7b8a8f10c221f240661aecf7f285e48fcf6c1e87
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/a35c8ec0-2672-47c3-97e5-b0924945fa3f/
Parent samples :
3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc
f6723f25605e46b8bdd2a8a875ee319c40108491934b2f8fbcdd58d649cbc651
99ad43415d3fce1de4b15b26893f60e126645f028602a7a0fff9432b99403433
8650787630e554e6390a6d98c7b556f36af59ce72998c4660cbec74091cb2b09
68773735efbd467e3286df5cbd2cc678926f0821ebbc9c2633b215b31d0b7d45
SH256 hash:
3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc
MD5 hash:
eff5dfe237f7290d49068495503bb7e9
SHA1 hash:
5b488378f9c4b0359b1f41d5d68278889ccf1e8c
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/a35c8ec0-2672-47c3-97e5-b0924945fa3f/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3406373bb1aa/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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: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:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
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.

Malspam

Formbook

Executable exe 3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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