MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6723f25605e46b8bdd2a8a875ee319c40108491934b2f8fbcdd58d649cbc651. 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: 16


Intelligence 16 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f6723f25605e46b8bdd2a8a875ee319c40108491934b2f8fbcdd58d649cbc651
SHA3-384 hash: a1425c94cbcb6d8e0a7204e096a9b1773c23e87c0e093c0521219cf777c2a030db7e62358c03ab4674030420ab92af3e
SHA1 hash: dc50323b58a5f7a71f9c51c135e09f522aba1d26
MD5 hash: 0de4eb1758f5ef209ed50d5728cbb729
humanhash: hot-happy-eleven-wyoming
File name:Purchase Order For Consumables Eltra 888363725_9645364782_1197653623_836652746_22994644.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'080'320 bytes
First seen:2024-04-29 10:42:12 UTC
Last seen:2024-04-29 11:44:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:FAHnh+eWsN3skA4RV1Hom2KXMmHakjr3rmhkjknnL5:0h+ZkldoPK8YakvqhkjkN
TLSH T1B535AD0273D2C036FFAB92739B6AF24556BD7D254123852F13981DB9BC701B2227E663
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10523/12/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
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 :
385
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f6723f25605e46b8bdd2a8a875ee319c40108491934b2f8fbcdd58d649cbc651.exe
Verdict:
Malicious activity
Analysis date:
2024-04-29 10:45:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8f116b4a-dbd8-4bbd-aadd-29cfb8036a01

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
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit coinminer fingerprint keylogger lolbin masquerade packed predator shell32 threat
Link:
https://www.filescan.io/uploads/662f79b9c5dabc22b20c1ee9/reports/3d84286a-ce96-45d4-a01d-2dfea79b795c/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/f6723f25605e46b8bdd2a8a875ee319c40108491934b2f8fbcdd58d649cbc651
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/6275ec47-2c2c-4194-b874-e424a9e87b33
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433297
Signature
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Rundll32 Execution Without CommandLine Parameters
Sigma detected: RunDLL32 Spawning Explorer
Snort IDS alert for network traffic
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1433297 Sample: Purchase Order For Consumab... Startdate: 29/04/2024 Architecture: WINDOWS Score: 100 35 www.used-cars-66201.bond 2->35 37 www.usapubpong.com 2->37 39 12 other IPs or domains 2->39 53 Snort IDS alert for network traffic 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 8 other signatures 2->59 11 Purchase Order For Consumables Eltra 888363725_9645364782_1197653623_836652746_22994644.exe 4 2->11         started        signatures3 process4 signatures5 67 Binary is likely a compiled AutoIt script file 11->67 69 Writes to foreign memory regions 11->69 71 Maps a DLL or memory area into another process 11->71 14 svchost.exe 11->14         started        17 UserOOBEBroker.exe 11->17         started        process6 signatures7 75 Modifies the context of a thread in another process (thread injection) 14->75 77 Maps a DLL or memory area into another process 14->77 79 Sample uses process hollowing technique 14->79 81 2 other signatures 14->81 19 explorer.exe 24 1 14->19 injected process8 dnsIp9 41 fairmedics.in 192.185.129.210, 49709, 80 UNIFIEDLAYER-AS-1US United States 19->41 43 www.egysrvs.com.cdn.hstgr.net 84.32.84.232, 49710, 80 NTT-LT-ASLT Lithuania 19->43 45 ext-sq.squarespace.com 198.185.159.144, 49707, 49739, 80 SQUARESPACEUS United States 19->45 22 rundll32.exe 19->22         started        25 WerFault.exe 21 19->25         started        process10 signatures11 61 Modifies the context of a thread in another process (thread injection) 22->61 63 Maps a DLL or memory area into another process 22->63 65 Tries to detect virtualization through RDTSC time measurements 22->65 27 explorer.exe 47 127 22->27         started        31 cmd.exe 1 22->31         started        process12 dnsIp13 47 www.used-cars-66201.bond 104.247.82.92, 49738, 80 TEAMINTERNET-CA-ASCA Canada 27->47 49 www.quixonic.tech 95.213.179.76, 49741, 80 SELECTELRU Russian Federation 27->49 51 www.5o8oh.us 91.195.240.123, 49740, 80 SEDO-ASDE Germany 27->51 73 Query firmware table information (likely to detect VMs) 27->73 33 conhost.exe 31->33         started        signatures14 process15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f6723f25605e46b8bdd2a8a875ee319c40108491934b2f8fbcdd58d649cbc651
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f6723f25605e46b8bdd2a8a875ee319c40108491934b2f8fbcdd58d649cbc651/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-04-29 08:08:52 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6zzd6jlalzdlrposvcuhl3rrtrabbbersnfs7d543vmnmsolyziq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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-mr8wdsha4t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
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/fa0aff2c-83f9-4676-8e47-582463b86122/
Parent samples :
3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc
f6723f25605e46b8bdd2a8a875ee319c40108491934b2f8fbcdd58d649cbc651
99ad43415d3fce1de4b15b26893f60e126645f028602a7a0fff9432b99403433
8650787630e554e6390a6d98c7b556f36af59ce72998c4660cbec74091cb2b09
68773735efbd467e3286df5cbd2cc678926f0821ebbc9c2633b215b31d0b7d45
SH256 hash:
f6723f25605e46b8bdd2a8a875ee319c40108491934b2f8fbcdd58d649cbc651
MD5 hash:
0de4eb1758f5ef209ed50d5728cbb729
SHA1 hash:
dc50323b58a5f7a71f9c51c135e09f522aba1d26
Detections:
AutoIT_Compiled
Create hunting rule
SUSP_Imphash_Mar23_3
Create hunting rule
Link:
https://www.unpac.me/results/fa0aff2c-83f9-4676-8e47-582463b86122/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f6723f25605e/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/f6723f25605e46b8bdd2a8a875ee319c40108491934b2f8fbcdd58d649cbc651

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: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:DebuggerException__SetConsoleCtrl
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: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: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:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research

File information

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

Malspam

Formbook

Executable exe f6723f25605e46b8bdd2a8a875ee319c40108491934b2f8fbcdd58d649cbc651

(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::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
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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