MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c43c4fb39ad14b2de1dfa864eda67bddb6536b709e86650b55009c2ff1c48d5. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7c43c4fb39ad14b2de1dfa864eda67bddb6536b709e86650b55009c2ff1c48d5
SHA3-384 hash: 80ef3c4a7819d4d1af9daaf489cdb2ec97b84bb97ed532966e63f2fd10296e70762f18783fccad26497e59b57cabcd1a
SHA1 hash: b619d4d9ffb5ce1a5baed19a463ea792127bc5ec
MD5 hash: 8f28011c24818124770ba3d2af3591b1
humanhash: delta-washington-uranus-friend
File name:NVOICE FOR THE MONTH OF AUG-24.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'361'303 bytes
First seen:2024-09-26 13:08:17 UTC
Last seen:2024-09-27 15:20:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d3bf8a7746a8d1ee8f6e5960c3f69378 (247 x Formbook, 75 x AgentTesla, 64 x SnakeKeylogger)
ssdeep 24576:uRmJkcoQricOIQxiZY1iaCWHaD+74Bd2e8mbfPc8bB+od8SeCWPhI6KIbE2Tiz:7JZoQrbTFZY1iaCW6Dtz2BmXBJeCMKS0
Threatray 1'013 similar samples on MalwareBazaar
TLSH T1FF55F222F5D68036C2F322B19E7EF76A963D79360326D1D727C82D251E601816F3A772
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon b150b26869b2d471 (468 x Formbook, 101 x RedLineStealer, 94 x AgentTesla)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
366
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NVOICE FOR THE MONTH OF AUG-24.exe
Verdict:
No threats detected
Analysis date:
2024-09-26 13:29:30 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2142b53c-6c00-41f2-8034-40ddcf11ca7d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Script.SNH-gen.17177.31703.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f55cf4c5ef4567b6c9c9b8
Tags:
Encryption Swotter Shellcode Emotet Autoit Packer
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
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/7c43c4fb39ad14b2de1dfa864eda67bddb6536b709e86650b55009c2ff1c48d5
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/589df0a9-bfe8-45bb-beb9-97ff41ebb578
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1519458
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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
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: 1519458 Sample: NVOICE FOR THE MONTH OF AUG... Startdate: 26/09/2024 Architecture: WINDOWS Score: 100 28 www.whats-in-the-box.org 2->28 30 www.weatherbook.live 2->30 32 21 other IPs or domains 2->32 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 4 other signatures 2->48 10 NVOICE FOR THE MONTH OF AUG-24.exe 1 2->10         started        signatures3 process4 signatures5 60 Writes to foreign memory regions 10->60 62 Maps a DLL or memory area into another process 10->62 13 svchost.exe 10->13         started        process6 signatures7 64 Maps a DLL or memory area into another process 13->64 16 tStjsTMXwkdtbv.exe 13->16 injected process8 signatures9 40 Found direct / indirect Syscall (likely to bypass EDR) 16->40 19 TapiUnattend.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 tStjsTMXwkdtbv.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 zhs.zohosites.com 136.143.186.12, 49760, 49761, 49762 ZOHO-ASUS United States 22->34 36 www.shanhaiguan.net 156.242.132.82, 49756, 49757, 49758 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 22->36 38 6 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/7c43c4fb39ad14b2de1dfa864eda67bddb6536b709e86650b55009c2ff1c48d5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7c43c4fb39ad14b2de1dfa864eda67bddb6536b709e86650b55009c2ff1c48d5/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-09-25 02:46:02 UTC
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=prb4j6zzvuklfxq57kde5wthxxnwknvxbhugmufvkae4f7y4jdkq._file
Verdict:
malicious
Label(s):
admintool_powerrun
Create hunting rule
Similar samples:
0cb136f7f3c52b2031884ac4fd0480b8a3b45b4abeafb0ff9b48fb2bb845aed3
Formbook
11d9c56cf62a70c2fa83766662485e8ce2c02a692db8e5274e49dbd17bfc2e65
Formbook
89b1ea20621f800e5d831135d317cacc37600d317b17f1e49683b2a02806d218
Formbook
982c3260b68600ee0aff04207c411c5bd348cd6929c378b3d6845b64b338da47
Formbook
f0ecdc825d77eb812fc3eb89df18fc430e75b6f03c25bece0d43ab4ed49f76db
Formbook
+ 1'003 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/240926-qdsh2aydmn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7d2b2c0c-e0e8-43d6-8a05-c2c195be4e64
Unpacked files
SH256 hash:
d8488f2a0865938072a5c2ba416862a6af2628d6aca143ee9d1765d82479d238
MD5 hash:
5b807468b0c1ab87e6981923be985a45
SHA1 hash:
2dd78794acd8a94aa430b191f5c48945c6e7d13d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Link:
https://www.unpac.me/results/f985a326-9b11-4286-8c35-33cd8a13cbe2/
Parent samples :
50298005475ae317206625562212774d14ecad26a7fd979251618b53f5c65d22
ce9c1b9af59f8c865bac45a1772d8900f49b42f0b15a6ab0eacf9df4fb621604
d6d7e8cca44c6b070efdc11749dbad10a503402b6548a01062435524bcca3f25
7c43c4fb39ad14b2de1dfa864eda67bddb6536b709e86650b55009c2ff1c48d5
d0f647708a79f44ff8e227cc0c3e6b533b5862c3aea2d0445b85062f99be62c4
fbd389043bea1510a916cf9c318760e5968dacc5dda2bfccc47064b74657c3ce
119f435b8535b2daceeefac46d1917cbaf2e4142ea50ddf3583ed0972e55298c
602fa6569f4057050211f21a1e474b70cc0d970fe9a297b9e7d2b758cd9922a5
SH256 hash:
e5e43c4b5517acc3f3fddd0955c4f820557cf723f40b7d3ecfa2dba9e93dfc03
MD5 hash:
5d488dbe8700cdfb3494edfb97f44e99
SHA1 hash:
c0ecc4d94c6465852d48eb19bb358992587e5067
Link:
https://www.unpac.me/results/f985a326-9b11-4286-8c35-33cd8a13cbe2/
SH256 hash:
7c43c4fb39ad14b2de1dfa864eda67bddb6536b709e86650b55009c2ff1c48d5
MD5 hash:
8f28011c24818124770ba3d2af3591b1
SHA1 hash:
b619d4d9ffb5ce1a5baed19a463ea792127bc5ec
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/f985a326-9b11-4286-8c35-33cd8a13cbe2/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7c43c4fb39ad/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/7c43c4fb39ad14b2de1dfa864eda67bddb6536b709e86650b55009c2ff1c48d5

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
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants

File information

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

Malspam

Formbook

Executable exe 7c43c4fb39ad14b2de1dfa864eda67bddb6536b709e86650b55009c2ff1c48d5

(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
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::CopySid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetAce
USER32.dll::GetUserObjectSecurity
ADVAPI32.dll::InitializeAcl
ADVAPI32.dll::InitializeSecurityDescriptor
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::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
ADVAPI32.dll::GetTokenInformation
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::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
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_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::UnlockServiceDatabase
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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