MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca6e99cb086dcbdeaa2e6dcefd08a5907eb2f6b0cee11da6aef68818bbdaa72b. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca6e99cb086dcbdeaa2e6dcefd08a5907eb2f6b0cee11da6aef68818bbdaa72b
SHA3-384 hash: 91502e7c56dbe13c9ecaf246d53b1a5d797d76ec3c1f68a1ddb4692c245cc190fbba324865895c43a9741d754dcc32b1
SHA1 hash: a59428a86cc0e1b04e05444a66a862dc872f24d1
MD5 hash: 85496e3bd4f547ed3ecb4bba94401773
humanhash: massachusetts-uniform-california-charlie
File name:RFQ.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'338'211 bytes
First seen:2024-11-07 16:28:36 UTC
Last seen:2024-11-08 09:00:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d3bf8a7746a8d1ee8f6e5960c3f69378 (247 x Formbook, 75 x AgentTesla, 64 x SnakeKeylogger)
ssdeep 24576:uRmJkcoQricOIQxiZY1iaCJvCojfsNEuw4RPayIbHSsA/9RXiJuS:7JZoQrbTFZY1iaCJVfCEv4RPNIrq/7Xi
TLSH T12955E122F5C68036C2B327B19E7EF766963979360336D19B37C82E215EA05416B39733
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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
2'541
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ.exe
Verdict:
Malicious activity
Analysis date:
2024-11-07 17:54:27 UTC
Tags:
autoit
Link:
https://app.any.run/tasks/84cc4be2-23b3-4e0f-b106-728304e60a19

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.FileRepMalware.29758.19919.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672cead649e92a05dde3ec2a
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit compiled-script fingerprint keylogger microsoft_visual_cc overlay packed packed packer_detected
Link:
https://www.filescan.io/uploads/672cead1a121acd672cbb439/reports/900a55d2-76a8-4eac-9328-df6b28628696/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/ca6e99cb086dcbdeaa2e6dcefd08a5907eb2f6b0cee11da6aef68818bbdaa72b
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/6b09366a-6de9-410a-947f-b78b175cd45b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1551421
Signature
AI detected suspicious 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
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)
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: 1551421 Sample: RFQ.exe Startdate: 07/11/2024 Architecture: WINDOWS Score: 100 28 www.wukong.college 2->28 30 www.vnxoso88.art 2->30 32 14 other IPs or domains 2->32 42 Antivirus detection for URL or domain 2->42 44 Yara detected FormBook 2->44 46 Machine Learning detection for sample 2->46 48 2 other signatures 2->48 10 RFQ.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 64 Switches to a custom stack to bypass stack traces 10->64 13 svchost.exe 10->13         started        process6 signatures7 66 Maps a DLL or memory area into another process 13->66 16 rNgGAKxrFRkFYx.exe 13->16 injected process8 signatures9 40 Found direct / indirect Syscall (likely to bypass EDR) 16->40 19 net.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 rNgGAKxrFRkFYx.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 www.pluribiz.life 209.74.64.58, 49854, 49855, 49856 MULTIBAND-NEWHOPEUS United States 22->34 36 www.evoo.website 128.65.195.180, 49862, 49863, 49864 INFOMANIAK-ASCH Switzerland 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/ca6e99cb086dcbdeaa2e6dcefd08a5907eb2f6b0cee11da6aef68818bbdaa72b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca6e99cb086dcbdeaa2e6dcefd08a5907eb2f6b0cee11da6aef68818bbdaa72b/
Threat name:
Win32.Trojan.ShellcodeCrypter
Create hunting rule
Status:
Malicious
First seen:
2024-11-07 19:30:31 UTC
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zjxjtsyinxf55kronxhp2cffsb7lf5vqz3qr3jvo62ebro62u4vq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_036
Create hunting rule
admintool_powerrun
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/241107-ty8brswblj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
AutoIT Executable
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/bc83fc76-a048-45fa-afbf-bfffaee8a784
Unpacked files
SH256 hash:
29754188230d3720835b057aed24e3c92cb94e818f6ce8bc4c2f7e6f6573c84a
MD5 hash:
fb26378f5d05151f5fd2c6e45b682285
SHA1 hash:
398613e165c3b48ff0bcb61b560f4d0da7377f0b
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/75fc9a79-fe6b-4186-9453-b08d9319f5ec/
Parent samples :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 hash:
6330395f4a38f01512cf834457f8b6adedabf418697dc56f7cdf88f6b92377e4
MD5 hash:
bf0fdf8ac2abdb96022fc548a69fafa5
SHA1 hash:
b5819bc239c0e6118a29650811a02d92f533af4b
Link:
https://www.unpac.me/results/75fc9a79-fe6b-4186-9453-b08d9319f5ec/
SH256 hash:
ca6e99cb086dcbdeaa2e6dcefd08a5907eb2f6b0cee11da6aef68818bbdaa72b
MD5 hash:
85496e3bd4f547ed3ecb4bba94401773
SHA1 hash:
a59428a86cc0e1b04e05444a66a862dc872f24d1
Link:
https://www.unpac.me/results/75fc9a79-fe6b-4186-9453-b08d9319f5ec/
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/ca6e99cb086dcbdeaa2e6dcefd08a5907eb2f6b0cee11da6aef68818bbdaa72b

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 ca6e99cb086dcbdeaa2e6dcefd08a5907eb2f6b0cee11da6aef68818bbdaa72b

(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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