MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb529af9288b307954054e5ac087e9232da05d70b379b628ce149f25e75b7c3d. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb529af9288b307954054e5ac087e9232da05d70b379b628ce149f25e75b7c3d
SHA3-384 hash: 4fb90b17bf2a06ba67d50ebf123f0d9cf422b7207686dbf148c5fbf95ad0b3e43a3170653ec59535bbcc4126aa24e675
SHA1 hash: 96744fb094ac15aafee6c4dd8da1c999f89557e2
MD5 hash: 6d9acea39668038b752b1c91b55124c4
humanhash: bacon-six-white-nitrogen
File name:INVG0088 LHV3495264 BL327291535V.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'296'384 bytes
First seen:2024-08-27 06:32:21 UTC
Last seen:2024-08-27 14:48:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 24576:GqDEvCTbMWu7rQYlBQcBiT6rprG8aap5S66ZoM4z8b6m:GTvC/MTQYxsWR7aapn6r5
TLSH T1A655C00273D1C062FF9B92334B5AF6115BBC6A260123E61F13A81DB9BE705B1563E763
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)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter cocaman
Tags:exe FormBook Shipping

Intelligence

File Origin
# of uploads :
3
# of downloads :
379
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INVG0088 LHV3495264 BL327291535V.r09
Verdict:
No threats detected
Analysis date:
2024-08-27 06:35:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/26c3fb98-45b3-4bba-9fb5-83653aca392f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66cd7320b2a4681a7296b108
Tags:
h e u r
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit epmicrosoft_visual_cc fingerprint keylogger lolbin microsoft_visual_cc packed shell32
Link:
https://www.filescan.io/uploads/66cd7324b854095a010ae6d8/reports/9f7efc33-6913-4e8e-8f62-d7bcbec6fcd4/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/cb529af9288b307954054e5ac087e9232da05d70b379b628ce149f25e75b7c3d
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/7f54fb1b-9293-477d-a012-da71b484b49d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1499581
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Found direct / indirect Syscall (likely to bypass EDR)
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
Performs DNS queries to domains with low reputation
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1499581 Sample: INVG0088 LHV3495264 BL32729... Startdate: 27/08/2024 Architecture: WINDOWS Score: 100 31 www.vynix.xyz 2->31 33 www.030002060.xyz 2->33 35 14 other IPs or domains 2->35 39 Suricata IDS alerts for network traffic 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 47 5 other signatures 2->47 10 INVG0088 LHV3495264 BL327291535V.exe 4 2->10         started        signatures3 45 Performs DNS queries to domains with low reputation 33->45 process4 signatures5 57 Binary is likely a compiled AutoIt script file 10->57 59 Writes to foreign memory regions 10->59 61 Maps a DLL or memory area into another process 10->61 13 svchost.exe 10->13         started        process6 signatures7 63 Maps a DLL or memory area into another process 13->63 16 hZLVLBnckRFXE.exe 13->16 injected process8 dnsIp9 25 www.vynix.xyz 203.161.42.73, 49746, 49747, 49748 VNPT-AS-VNVNPTCorpVN Malaysia 16->25 27 www.minami-aoyama.net 157.112.152.12, 49754, 49755, 49756 SAKURA-CSAKURAInternetIncJP Japan 16->27 29 9 other IPs or domains 16->29 37 Found direct / indirect Syscall (likely to bypass EDR) 16->37 20 unlodctr.exe 13 16->20         started        signatures10 process11 signatures12 49 Tries to steal Mail credentials (via file / registry access) 20->49 51 Tries to harvest and steal browser information (history, passwords, etc) 20->51 53 Modifies the context of a thread in another process (thread injection) 20->53 55 2 other signatures 20->55 23 firefox.exe 20->23         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cb529af9288b307954054e5ac087e9232da05d70b379b628ce149f25e75b7c3d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cb529af9288b307954054e5ac087e9232da05d70b379b628ce149f25e75b7c3d/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-08-27 02:51:24 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=znjjv6jirmyhsvafjznmbb7jemw2axlqwn43mkgocspslz23pq6q._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/240827-ha6x9aygmp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e4fde285-6605-4547-a855-55c5004a7186
Unpacked files
SH256 hash:
11cbe78cc5323679cd7a44286c41fdac47c600c905d459d245bba8440826299e
MD5 hash:
eb6cab9516db2b10da317461d8cc2deb
SHA1 hash:
ff5ae990d3ac4be7062574683db95d39489557a1
Link:
https://www.unpac.me/results/90165a4c-2886-42c9-ad18-0a59728c2424/
SH256 hash:
8ee9bef9328fb692fc490bcfd2d6a8216fec2cbb16b91530e7df25f30713bc8f
MD5 hash:
27e77bcdc948fc545c5bc58d44c6ac0d
SHA1 hash:
f73da9eb4789f44d23cce8e8753b71a116b418d0
Link:
https://www.unpac.me/results/90165a4c-2886-42c9-ad18-0a59728c2424/
SH256 hash:
cb529af9288b307954054e5ac087e9232da05d70b379b628ce149f25e75b7c3d
MD5 hash:
6d9acea39668038b752b1c91b55124c4
SHA1 hash:
96744fb094ac15aafee6c4dd8da1c999f89557e2
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/90165a4c-2886-42c9-ad18-0a59728c2424/
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/cb529af9288b307954054e5ac087e9232da05d70b379b628ce149f25e75b7c3d

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:pe_detect_tls_callbacks
Create hunting rule

File information

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

Malspam

Formbook

r09 487474d74c4aa310691bfa30ff702930a97c20f43b92ce3ff11e8e8891a59298

Formbook

Executable exe cb529af9288b307954054e5ac087e9232da05d70b379b628ce149f25e75b7c3d

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 487474d74c4aa310691bfa30ff702930a97c20f43b92ce3ff11e8e8891a59298
  
Dropped by
MD5 e4a8b176e884773f048a141ea2c3dda4

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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