MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35b05c5647454432d0630fb6afd6425e6cae47a6b1d82e8cbb3d75718f691b85. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 35b05c5647454432d0630fb6afd6425e6cae47a6b1d82e8cbb3d75718f691b85
SHA3-384 hash: da9e43b26dba14d5271f1c31fa1816d9becf305725464bb5fa30eb2c9681fb4b2fc593e7b2916cc88f9aa422289a5590
SHA1 hash: 43b61123126ada1c5e8311442d74db530663255c
MD5 hash: 224aabf10ad390c2fb31a936b999d642
humanhash: xray-kansas-uranus-wyoming
File name:profoma invoice 06042024_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'204'224 bytes
First seen:2024-06-10 10:46:05 UTC
Last seen:2024-06-10 11:33:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:oAHnh+eWsN3skA4RV1Hom2KXMmHaPEJi+OL95IJ/gG/KwER5:vh+ZkldoPK8YaPwc05gU+
TLSH T19A45BE0273D1C036FFABA2739B6AF20556BD79254123852F13981DB9BD701B2227E763
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
359
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
35b05c5647454432d0630fb6afd6425e6cae47a6b1d82e8cbb3d75718f691b85.exe
Verdict:
Malicious activity
Analysis date:
2024-06-10 11:11:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f2339bba-685c-47ad-b10f-cb6a0f7158bd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.16905.6801.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=666707835c0e232c1ff0277dwin7simulatehigh_evasion
Tags:
Encryption Stealth Agent
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 masquerade microsoft_visual_cc packed shell32
Link:
https://www.filescan.io/uploads/6666d9aa49a1c83062666769/reports/8f589a2e-324c-4baf-bd49-8854f5eecedc/overview
Verdict:
Malicious
Labled as:
AIT:Trojan.Nymeria
Link:
https://www.hybrid-analysis.com/sample/35b05c5647454432d0630fb6afd6425e6cae47a6b1d82e8cbb3d75718f691b85
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/2a9b5358-ca00-4c34-a104-9150b1d9d36e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1454495
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Found direct / indirect Syscall (likely to bypass EDR)
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
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: 1454495 Sample: profoma invoice 06042024_pdf.exe Startdate: 10/06/2024 Architecture: WINDOWS Score: 100 28 www.stellardaysigning.com 2->28 30 www.skyinftech.com 2->30 32 19 other IPs or domains 2->32 42 Multi AV Scanner detection for domain / URL 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 7 other signatures 2->48 10 profoma invoice 06042024_pdf.exe 4 2->10         started        signatures3 process4 signatures5 60 Binary is likely a compiled AutoIt script file 10->60 62 Writes to foreign memory regions 10->62 64 Maps a DLL or memory area into another process 10->64 13 svchost.exe 10->13         started        process6 signatures7 66 Maps a DLL or memory area into another process 13->66 16 lcRXpsWBnpOqoPSJwpEY.exe 13->16 injected process8 signatures9 40 Found direct / indirect Syscall (likely to bypass EDR) 16->40 19 logman.exe 13 16->19         started        process10 signatures11 50 Tries to steal Mail credentials (via file / registry access) 19->50 52 Tries to harvest and steal browser information (history, passwords, etc) 19->52 54 Modifies the context of a thread in another process (thread injection) 19->54 56 3 other signatures 19->56 22 lcRXpsWBnpOqoPSJwpEY.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 www.wiltonz.top 203.161.55.124, 49710, 49711, 49712 VNPT-AS-VNVNPTCorpVN Malaysia 22->34 36 megaqq77.com 131.153.170.234, 49738, 49739, 49740 SS-ASHUS United States 22->36 38 11 other IPs or domains 22->38 58 Found direct / indirect Syscall (likely to bypass EDR) 22->58 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/35b05c5647454432d0630fb6afd6425e6cae47a6b1d82e8cbb3d75718f691b85
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/35b05c5647454432d0630fb6afd6425e6cae47a6b1d82e8cbb3d75718f691b85/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2024-06-05 00:50:54 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gwyfyvshivcdfuddb63k7vsclzwk4r5gwhmc5df3hv2xdd3jdocq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240610-m4es3sgd31/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/21ec2cd4-ad0a-4897-91e1-924a776c22aa
Unpacked files
SH256 hash:
328bab4b567ae041b2d6bf3b295296695d38eabf9286ad81db31e5ce300f8bb2
MD5 hash:
806e765b91a9714f49a198445713f870
SHA1 hash:
e1a973abe55cb75b2f97bceb4a48e0a82a53b8fe
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/29aebd7c-c111-4a8b-9dec-6c6c6a799e7d/
Parent samples :
947d460ae566ba36eaffe66b728f4d951c88df3ed89468ce1eacae2cefac9b15
35b05c5647454432d0630fb6afd6425e6cae47a6b1d82e8cbb3d75718f691b85
SH256 hash:
e513d41804611f5b7d131bf2ac3f322d9e0e5c884f6881e2acbc0a231b7ba0e0
MD5 hash:
93c4252c91a7fd075f3eb5fcc128c89f
SHA1 hash:
20881a8c151966c3d58ca522f13ce6721f098722
Link:
https://www.unpac.me/results/29aebd7c-c111-4a8b-9dec-6c6c6a799e7d/
SH256 hash:
c9a350d38e7f082aafdfd8363d4c560ba184824da1e201b51833035d17eb42c8
MD5 hash:
6252e1ddbf48eb0114481a55e5f4d787
SHA1 hash:
f18f483cb842d83d596bf851d42e670ab7994649
Link:
https://www.unpac.me/results/29aebd7c-c111-4a8b-9dec-6c6c6a799e7d/
SH256 hash:
b9ef61f086f560d51107580116a2c671b73718f362bd1c8c5526b6a43edda2ed
MD5 hash:
a8eeb164722c7e13a6ef56a04a0379f1
SHA1 hash:
8d77fb6ff75936f0637d9e11eed7b03aaceb4189
Link:
https://www.unpac.me/results/29aebd7c-c111-4a8b-9dec-6c6c6a799e7d/
SH256 hash:
ab4395845f45e525bb266ea795a51d7c28612d291387049676c0ed9939c6169f
MD5 hash:
d598373f1de924d9379c39a976b5304f
SHA1 hash:
62a4ce53c3a36d9631f2d3ba03f9de765ef5f12e
Link:
https://www.unpac.me/results/29aebd7c-c111-4a8b-9dec-6c6c6a799e7d/
SH256 hash:
92a3b847c1e549a3259c861ebde01956e5f1dbd53f84bae619a2cc44d55afdb9
MD5 hash:
9a6924665b1531eb1a9111a841313633
SHA1 hash:
363c6b468451f25ee33c0e505665af765190afbb
Link:
https://www.unpac.me/results/29aebd7c-c111-4a8b-9dec-6c6c6a799e7d/
SH256 hash:
5d4a0a7e9cdfc0f81c1827a4697261101f929a456d26f72f2daa269d82a66095
MD5 hash:
384820988da2e3467d3ca993d6b95746
SHA1 hash:
1797aee867747d927d9ad8da9fc89f283e713fd3
Link:
https://www.unpac.me/results/29aebd7c-c111-4a8b-9dec-6c6c6a799e7d/
SH256 hash:
df62ee926b0325b746f5f81352d2d13792a2cf7fd99d23b8decaa1301d6946a1
MD5 hash:
d79f5b439479a64dd2c4b0bd69d1317a
SHA1 hash:
14072596892b251ca8f9c4563a86fdc4cf506ff4
Link:
https://www.unpac.me/results/29aebd7c-c111-4a8b-9dec-6c6c6a799e7d/
SH256 hash:
35b05c5647454432d0630fb6afd6425e6cae47a6b1d82e8cbb3d75718f691b85
MD5 hash:
224aabf10ad390c2fb31a936b999d642
SHA1 hash:
43b61123126ada1c5e8311442d74db530663255c
Detections:
AutoIT_Compiled
Create hunting rule
SUSP_Imphash_Mar23_3
Create hunting rule
Link:
https://www.unpac.me/results/29aebd7c-c111-4a8b-9dec-6c6c6a799e7d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/35b05c564745/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: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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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 35b05c5647454432d0630fb6afd6425e6cae47a6b1d82e8cbb3d75718f691b85

(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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