MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d1d21fefaccdde89b759234f18ed79ea0a8a631c15be4f93fe3106f7fe6abe6. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments
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SHA256 hash: 2d1d21fefaccdde89b759234f18ed79ea0a8a631c15be4f93fe3106f7fe6abe6
SHA3-384 hash: 2d12d57e139ffb1a0d1af7a2271048062e041c5f0282c1ca6c1e659e772d76578e83fd3b818dceea4615c4232e67ae58
SHA1 hash: 64d435e7ca1c98ea6e1b5818d6cc8d0dad22db7d
MD5 hash: 8128f92e759ef0399a73d001b78bf37e
humanhash: vermont-low-blue-lemon
File name:Document.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'090'929 bytes
First seen:2024-10-28 13:23:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash aaaa8913c89c8aa4a5d93f06853894da (246 x Formbook, 82 x AgentTesla, 74 x RedLineStealer)
ssdeep 24576:ffmMv6Ckr7Mny5QL2OTYtNaqimUy7RRtst35de:f3v+7/5QL2mTARReR5de
Threatray 2'422 similar samples on MalwareBazaar
TLSH T1F735D152B3D680B6D9A33975293BE327EB3575194333C48BA7E02F768F211409B36762
TrID 84.9% (.EXE) AutoIt3 compiled script executable (510622/80/67)
9.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
1.7% (.EXE) Win64 Executable (generic) (10522/11/4)
1.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon b150b26869b2d471 (468 x Formbook, 101 x RedLineStealer, 94 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
390
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quarantined Messages.zip
Verdict:
Suspicious activity
Analysis date:
2024-10-28 12:50:28 UTC
Tags:
attachments attc-unc arch-exec
Link:
https://app.any.run/tasks/5cc6d4d6-35ab-47b6-b0b2-dcc34b2def33

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

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=671f903c5928ee28d55e87e8
Tags:
Phishing Autoit Emotet
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
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm autoit compiled-script fingerprint keylogger lolbin microsoft_visual_cc monero overlay packed packed packer_detected shell32
Link:
https://www.filescan.io/uploads/671f90432734cb737d8f4aba/reports/a598bc11-c6fd-4848-8ede-25de43e2451a/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/2d1d21fefaccdde89b759234f18ed79ea0a8a631c15be4f93fe3106f7fe6abe6
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8dac08e3-867a-4458-99ef-455765c137f8
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1543822
Signature
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Tries to resolve many domain names, but no domain seems valid
Uses netstat to query active network connections and open ports
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1543822 Sample: Document.exe Startdate: 28/10/2024 Architecture: WINDOWS Score: 100 27 www.sk-frby.xyz 2->27 29 www.okavuxentid.xyz 2->29 31 11 other IPs or domains 2->31 35 Suricata IDS alerts for network traffic 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 43 7 other signatures 2->43 11 Document.exe 1 2->11         started        signatures3 41 Performs DNS queries to domains with low reputation 29->41 process4 signatures5 53 Writes to foreign memory regions 11->53 55 Maps a DLL or memory area into another process 11->55 57 Switches to a custom stack to bypass stack traces 11->57 59 Contains functionality to detect sleep reduction / modifications 11->59 14 svchost.exe 11->14         started        process6 signatures7 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Sample uses process hollowing technique 14->65 67 3 other signatures 14->67 17 explorer.exe 91 1 14->17 injected process8 signatures9 33 Uses netstat to query active network connections and open ports 17->33 20 NETSTAT.EXE 17->20         started        process10 signatures11 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 51 Switches to a custom stack to bypass stack traces 20->51 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2d1d21fefaccdde89b759234f18ed79ea0a8a631c15be4f93fe3106f7fe6abe6
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/2d1d21fefaccdde89b759234f18ed79ea0a8a631c15be4f93fe3106f7fe6abe6/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-10-28 13:22:40 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fuosd7x2zto6rg3vsi2pddwxt2qkrjrryfn6j6j74mig677gvpta._file
Verdict:
malicious
Label(s):
formbook
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unknown_loader_036
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admintool_powerrun
Create hunting rule
Similar samples:
06043959e79bbeccaa6370466d3b9745b684ddaede9d2b4e6b652c926fbebe74
Formbook
069a4c2c42050c9037f6a11f9083b312c8bc3159fbe2b73f1e84760da762e6a8
Formbook
1c8de42bff76a20cdaee2bed7629f8f0dfcf4ab5c7b5ee637d147f6f45311015
Formbook
d6254ba7494dc16f4b33c879f44fda381215ce53c01319e45f97a2b661e11cc2
Formbook
error
Formbook
f9264179af743b510f7158e518141c28d4e0132591f3dfb360a2b1277180dc7e
Formbook
ff410475bb80926bc3933e68f5e84a7185292bb2b78294abe528cb647c78f637
Formbook
+ 2'412 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:n04s discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/241028-qmsv6axrez/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b279b1b7-d50b-4c93-97fd-e3b6ab6c5d69
Unpacked files
SH256 hash:
d102376931e9a365bee64c080f4dc7f530baf8a89222c7a6d2adaf24c8704671
MD5 hash:
102c6ad55990d28832002fed29d55524
SHA1 hash:
aac17f459974944b03d623cc54898f4d97324f7c
Detections:
FormBook
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_w0
Create hunting rule
Formbook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Link:
https://www.unpac.me/results/a388d729-7b03-4829-96c6-f36eb51dcd10/
SH256 hash:
2d1d21fefaccdde89b759234f18ed79ea0a8a631c15be4f93fe3106f7fe6abe6
MD5 hash:
8128f92e759ef0399a73d001b78bf37e
SHA1 hash:
64d435e7ca1c98ea6e1b5818d6cc8d0dad22db7d
Link:
https://www.unpac.me/results/a388d729-7b03-4829-96c6-f36eb51dcd10/
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/2d1d21fefaccdde89b759234f18ed79ea0a8a631c15be4f93fe3106f7fe6abe6

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
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Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
Rule name:AutoIT_Compiled
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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 2d1d21fefaccdde89b759234f18ed79ea0a8a631c15be4f93fe3106f7fe6abe6

(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::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileW
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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