MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd1e2959982beba4b7304b953d3190a852d8c3f730373bac988fb697a917d5af. 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 7 File information Comments

SHA256 hash: fd1e2959982beba4b7304b953d3190a852d8c3f730373bac988fb697a917d5af
SHA3-384 hash: 9cc3c86d9b3c9b1c37f569b18cbfbc42339589504a4ff3f7578277efd70aefc342b19d5be0a82752bc227045b8ca9379
SHA1 hash: 5f65561bee688399199d51096b552516d0145099
MD5 hash: e0fc8b654c9300e99c3e48977bd17fc7
humanhash: kansas-july-cup-west
File name:rEnv__odedocumento__rdendecompraMAT5465.exe
Download: download sample
Signature Formbook
File size:1'244'160 bytes
First seen:2025-05-19 23:00:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:ktb20pkaCqT5TBWgNQ7amUGhdeoLxoQjBYOSn2WG6A:NVg5tQ7amTfjLxoQjBYOt5
TLSH T10245DF1373DEC361C3B25273BA25B701AEBB7C2506A5F56B2FD4093DE920122525EA73
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter FXOLabs
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
569
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rEnv__odedocumento__rdendecompraMAT5465.exe
Verdict:
No threats detected
Analysis date:
2025-05-19 23:05:38 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Tags:
autoit emotet
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:
adaptive-context autoit compiled-script fingerprint keylogger microsoft_visual_cc packed packed packer_detected
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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
Joe Sandbox ML detected suspicious sample
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)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1694384 Sample: rEnv__odedocumento__rdendec... Startdate: 20/05/2025 Architecture: WINDOWS Score: 100 33 www.turngamefi.xyz 2->33 35 www.glowreach.xyz 2->35 37 19 other IPs or domains 2->37 47 Suricata IDS alerts for network traffic 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 Yara detected FormBook 2->51 55 3 other signatures 2->55 11 rEnv__odedocumento__rdendecompraMAT5465.exe 2 2->11         started        signatures3 53 Performs DNS queries to domains with low reputation 35->53 process4 signatures5 67 Binary is likely a compiled AutoIt script file 11->67 69 Writes to foreign memory regions 11->69 71 Maps a DLL or memory area into another process 11->71 73 Switches to a custom stack to bypass stack traces 11->73 14 svchost.exe 11->14         started        process6 signatures7 75 Maps a DLL or memory area into another process 14->75 17 wOPw0gwNiOpghKNKzWF5J.exe 14->17 injected process8 signatures9 45 Found direct / indirect Syscall (likely to bypass EDR) 17->45 20 PresentationHost.exe 13 17->20         started        process10 signatures11 57 Tries to steal Mail credentials (via file / registry access) 20->57 59 Tries to harvest and steal browser information (history, passwords, etc) 20->59 61 Modifies the context of a thread in another process (thread injection) 20->61 63 3 other signatures 20->63 23 wOPw0gwNiOpghKNKzWF5J.exe 20->23 injected 27 chrome.exe 20->27         started        29 firefox.exe 20->29         started        process12 dnsIp13 39 taxidongphu.net 103.195.236.39, 49751, 49752, 49753 CMCTELECOM-AS-VNCMCTelecomInfrastructureCompanyVN Viet Nam 23->39 41 slot4d.life 184.168.111.254, 49727, 49728, 49729 AS-26496-GO-DADDY-COM-LLCUS United States 23->41 43 7 other IPs or domains 23->43 65 Found direct / indirect Syscall (likely to bypass EDR) 23->65 31 WerFault.exe 4 27->31         started        signatures14 process15
Threat name:
Win32.Trojan.Kepavll
Status:
Malicious
First seen:
2025-05-19 15:49:22 UTC
AV detection:
17 of 37 (45.95%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
autoit unc_loader_036
Similar samples:
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
fd1e2959982beba4b7304b953d3190a852d8c3f730373bac988fb697a917d5af
MD5 hash:
e0fc8b654c9300e99c3e48977bd17fc7
SHA1 hash:
5f65561bee688399199d51096b552516d0145099
SH256 hash:
0823f2bbf151bc8f13ff90b3d3dcdc858de21b5d9db2e2f1c4b4c60dc5cec557
MD5 hash:
fc23fb330638af03463d039b573ec638
SHA1 hash:
f74cb9732f4fc3dd66af60eab4892e0c8c363a20
SH256 hash:
bf857baf7c06de9e268d402f0368240f5c717dde3f3d51eb52f379938e49bfc5
MD5 hash:
afa062d701ee8f96ef300b9ba9222ae5
SHA1 hash:
c5aedc7a54093126197ff497740a3f33b3656207
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
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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:YahLover
Author:Kevin Falcoz
Description:YahLover

File information


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

Malspam

Formbook

Executable exe fd1e2959982beba4b7304b953d3190a852d8c3f730373bac988fb697a917d5af

(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::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
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_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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