MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 491650dce2fa1ab13321e4fd1356dbf740614fb3f30a1f10f9a0059cfbdb3b64. 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: 12


Intelligence 12 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 491650dce2fa1ab13321e4fd1356dbf740614fb3f30a1f10f9a0059cfbdb3b64
SHA3-384 hash: 5c8f8a230fc570afa83e4e183559c13a1b05fc77dbffaf93fa860b89cf4f5fa3bca2e0812175f402ec3246934c72d63b
SHA1 hash: 22f31ea8de570966063cebb4334cece610dc21fd
MD5 hash: 648604a9417a78c83da106c0f55e54da
humanhash: hydrogen-illinois-comet-salami
File name:AWB_5771388044 Documente de expediere.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'349'291 bytes
First seen:2025-01-27 16:18:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d3bf8a7746a8d1ee8f6e5960c3f69378 (247 x Formbook, 75 x AgentTesla, 64 x SnakeKeylogger)
ssdeep 24576:uRmJkcoQricOIQxiZY1iaCjbag674qi848QgQugZAl5yk1df:7JZoQrbTFZY1iaCj2g671lgucAl5ykHf
TLSH T1CB55E122F5C68076C1F327B19E7EF76A963D69360336D29723C82D215EA05416B3A733
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
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 NDA0E
Tags:exe FormBook geo ROU

Intelligence

File Origin
# of uploads :
1
# of downloads :
50
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
aafe027d-d693-e2fb-5efb-272a59080500.eml
Verdict:
No threats detected
Analysis date:
2025-01-25 13:17:50 UTC
Tags:
attachments attc-unc
Link:
https://app.any.run/tasks/d40afc2c-b1c7-4dde-9101-5740f77abaca

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
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 cmd compiled-script evasive fingerprint keylogger lolbin microsoft_visual_cc overlay packed packer_detected pcalua reg
Link:
https://www.filescan.io/uploads/6797b1fa85aac483f3891b8a/reports/d8617e19-b408-494e-951d-922628793088/overview
Verdict:
Malicious
Labled as:
AIT:Trojan.Nymeria
Link:
https://www.hybrid-analysis.com/sample/491650dce2fa1ab13321e4fd1356dbf740614fb3f30a1f10f9a0059cfbdb3b64
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/184d37da-44f2-4b79-8efa-f8cc1633ca39
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1600537
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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
Machine Learning detection for 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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1600537 Sample: AWB_5771388044 Documente de... Startdate: 27/01/2025 Architecture: WINDOWS Score: 100 28 www.asianoilporn.xyz 2->28 30 www.furrcali.xyz 2->30 32 13 other IPs or domains 2->32 42 Suricata IDS alerts for network traffic 2->42 44 Antivirus detection for URL or domain 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 50 6 other signatures 2->50 10 AWB_5771388044 Documente de expediere.exe 1 2->10         started        signatures3 48 Performs DNS queries to domains with low reputation 30->48 process4 signatures5 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 taeJ4KS1wKljNvXNLVMoH.exe 13->16 injected process8 signatures9 40 Found direct / indirect Syscall (likely to bypass EDR) 16->40 19 odbcconf.exe 13 16->19         started        process10 signatures11 52 Tries to steal Mail credentials (via file / registry access) 19->52 54 Tries to harvest and steal browser information (history, passwords, etc) 19->54 56 Modifies the context of a thread in another process (thread injection) 19->56 58 3 other signatures 19->58 22 taeJ4KS1wKljNvXNLVMoH.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 www.asianoilporn.xyz 109.206.161.15, 49744, 49745, 49746 SERVEREL-ASNL Netherlands 22->34 36 www.jiegea.top 160.124.202.240, 49736, 49737, 49738 POWERLINE-AS-APPOWERLINEDATACENTERHK South Africa 22->36 38 8 other IPs or domains 22->38 60 Found direct / indirect Syscall (likely to bypass EDR) 22->60 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/491650dce2fa1ab13321e4fd1356dbf740614fb3f30a1f10f9a0059cfbdb3b64
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/491650dce2fa1ab13321e4fd1356dbf740614fb3f30a1f10f9a0059cfbdb3b64/
Threat name:
Win32.Trojan.Nymeria
Create hunting rule
Status:
Malicious
First seen:
2025-01-23 04:32:49 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jelfbxhc7inlcmzb4t6rgvw365agct5t6mfb6ehzuaczz663hnsa._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250127-tsg8dswrez/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/426aaf44-630c-4040-8241-2a1021661ca5
Unpacked files
SH256 hash:
ca983ec08a1051563e36d30c4010843600e00d15eacac71b0539661355a1e219
MD5 hash:
83b5026183198befbdd10dd7c5860591
SHA1 hash:
1925061ece672fc56af43d6369c3f76a72893c93
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/8bd3ac57-5505-42fd-8d50-72324f28a60e/
Parent samples :
e351017be534e3db0bf0fb2604178e00d1e8898eb57d327f5112c8cb2a3ece43
2ab7e9a9f67e14de628121933a39fd8eb9218f55ab898b89be9193a5c8ae157e
491650dce2fa1ab13321e4fd1356dbf740614fb3f30a1f10f9a0059cfbdb3b64
970c198184b5090b8f735b70c675e9d9c7609d956900c13c8214f2d91589d888
6026ecb76ab5ce576f4d602791bd5a6c6aab28a53b7159ebd46fa5a2117dc58a
SH256 hash:
985bffce820baa6c561f3e6a3692f7bd208f192080b299ab704405935305d681
MD5 hash:
985eae31e724b3cf5555905eb65ffbd1
SHA1 hash:
40f9f5843fa20b7dbec36f6b1cac1d4e16036b77
Link:
https://www.unpac.me/results/8bd3ac57-5505-42fd-8d50-72324f28a60e/
SH256 hash:
491650dce2fa1ab13321e4fd1356dbf740614fb3f30a1f10f9a0059cfbdb3b64
MD5 hash:
648604a9417a78c83da106c0f55e54da
SHA1 hash:
22f31ea8de570966063cebb4334cece610dc21fd
Link:
https://www.unpac.me/results/8bd3ac57-5505-42fd-8d50-72324f28a60e/
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
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: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:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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: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
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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
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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