MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73e2064d3989b863781bff3c15319c8baa58aa68997eb28417ffc7354d1a77e6. 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 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 73e2064d3989b863781bff3c15319c8baa58aa68997eb28417ffc7354d1a77e6
SHA3-384 hash: 1b93eb0b8a404f7ea7ed77c2f83a1400672d9f18c81df414658344c5b2727394e42b50f91ead44faebace8bd6e8a7f62
SHA1 hash: 3fa59c641ef180f8bf81a12deb8dfce0ff3e3998
MD5 hash: bf63c1ed66b0f9bdc3c491aa219932a6
humanhash: pluto-moon-triple-tennis
File name:AWB_NO_907853880911.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'256'960 bytes
First seen:2024-04-03 13:34:20 UTC
Last seen:2024-04-04 05:19:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 24576:dqDEvCTbMWu7rQYlBQcBiT6rprG8am2dJdAp8OdTz2aHl:dTvC/MTQYxsWR7am2dJepndTzz
TLSH T10245C00273C1D062FFAB96334B5AF6115BBC69260123E62F13981D7ABD701B1563E7A3
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 malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
303
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
73e2064d3989b863781bff3c15319c8baa58aa68997eb28417ffc7354d1a77e6.exe
Verdict:
Suspicious activity
Analysis date:
2024-04-03 14:39:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/569f9e9c-c0f4-4f31-8500-cb6be0815826

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
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit fingerprint keylogger lolbin packed shell32
Link:
https://www.filescan.io/uploads/660d5b0b391c61c4791482de/reports/4fecb1f2-8c8a-462f-b23f-6005190c4fe9/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/73e2064d3989b863781bff3c15319c8baa58aa68997eb28417ffc7354d1a77e6
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a084d22f-4d0e-402a-892d-a5b33927f553
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1419492
Signature
Binary is likely a compiled AutoIt script file
Found API chain indicative of sandbox detection
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
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/73e2064d3989b863781bff3c15319c8baa58aa68997eb28417ffc7354d1a77e6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/73e2064d3989b863781bff3c15319c8baa58aa68997eb28417ffc7354d1a77e6/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-04-03 03:42:28 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=opramtjzrg4gg6a3746bkmm4rovfrktitf7lfbax77dtkti2o7ta._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/240403-qvnleadh2v/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
450d64aa0d17d97bb432d8cc9db9edd1a0a240f7e0ba787cfc1454fec662f0e5
MD5 hash:
8f48c397da90e0d887a04d42502cd7f1
SHA1 hash:
63822b38d38ea36c2fec51e9cca37bd2de869692
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/7e5bd851-49b2-4ead-9065-88a648224515/
Parent samples :
73e2064d3989b863781bff3c15319c8baa58aa68997eb28417ffc7354d1a77e6
2f126ec0408040b102ea8df4cd28074942bc40ce94f68f75353b38e7564ac7b9
ccc2d47913200e1b73cc2195fd00798181dc8ef052aae7ae6b6df00ae45e6ea7
c10f72e90f08921781cab13aa7d3a9d21c961cf97f46590eed4c1cbc6ebc1d66
95313342cd139b86ba566222db379fa3bd3b21cec6aeeb05b5ae9f1b125f9d9a
SH256 hash:
b3f2bcb08ae6ed77b51186dc73ac27afc31c9e3b175914fbc7e932a053024057
MD5 hash:
8edcf081ada9f28a2722afb40ac6e099
SHA1 hash:
9a1d6568a6063fccac7eef51a12cbdaa81b82262
Link:
https://www.unpac.me/results/7e5bd851-49b2-4ead-9065-88a648224515/
SH256 hash:
caf84a7cfd57cba1ab62c68cabf8747d70143324cbd891bec07d5083a83a2cc2
MD5 hash:
fc82d90f69adf8ad53fc10a6ed4d1f6c
SHA1 hash:
fe6ee45246e59b463cb671d7807b698dea4456d4
Link:
https://www.unpac.me/results/7e5bd851-49b2-4ead-9065-88a648224515/
SH256 hash:
411eab8e4257e2b1b9a42df527ebe536cff0da24e58f4c3668e4168ba9ab62b4
MD5 hash:
dbedc7538214add7dc73e21c43f9d5f5
SHA1 hash:
f3fed7f83de93c46aee83cc00c76154e4f37bc3e
Link:
https://www.unpac.me/results/7e5bd851-49b2-4ead-9065-88a648224515/
SH256 hash:
f7c350a26a557985216cc4ce0d46991413f764ab5284a2497b000033185bb9db
MD5 hash:
32839b9d4849bb8ca61dd112e823a21a
SHA1 hash:
b5f2de4a8d69db342d66fb7c06be46fdeb719fc3
Link:
https://www.unpac.me/results/7e5bd851-49b2-4ead-9065-88a648224515/
SH256 hash:
2262c6ab3aec069e4ef4b62be7f7c769605fadb67614e1fa52afeaf4a6df5f33
MD5 hash:
a1849f9b8afe49caead42528919c4fcb
SHA1 hash:
b05472a472ead1520ee1329119113a5da8d39e59
Link:
https://www.unpac.me/results/7e5bd851-49b2-4ead-9065-88a648224515/
SH256 hash:
68adde55c350a63064025a747f7df770cb4f564cb8141d943de08e88eb9c74ab
MD5 hash:
bc93a17d5520746069360667e4ed3e91
SHA1 hash:
5f319a285a62dbf7c68b19b505aec15306c43733
Link:
https://www.unpac.me/results/7e5bd851-49b2-4ead-9065-88a648224515/
SH256 hash:
9f4fb54b962dbd0c02543fb9b37c747112474e0a4ab9de1c1e40b3740b60bbfd
MD5 hash:
0a8cd377180df2f6ef5226b71fec396e
SHA1 hash:
369dee6a471cf6816e38715502ac95d66a94fee5
Link:
https://www.unpac.me/results/7e5bd851-49b2-4ead-9065-88a648224515/
SH256 hash:
73e2064d3989b863781bff3c15319c8baa58aa68997eb28417ffc7354d1a77e6
MD5 hash:
bf63c1ed66b0f9bdc3c491aa219932a6
SHA1 hash:
3fa59c641ef180f8bf81a12deb8dfce0ff3e3998
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/7e5bd851-49b2-4ead-9065-88a648224515/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/73e2064d3989/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/73e2064d3989b863781bff3c15319c8baa58aa68997eb28417ffc7354d1a77e6

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: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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

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

Comments