MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 70367e0bfb4de8097ebef88d2a33d035db64f84cc202e44e46c006eb87b937e0. 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: 13


Intelligence 13 IOCs YARA 13 File information Comments

SHA256 hash: 70367e0bfb4de8097ebef88d2a33d035db64f84cc202e44e46c006eb87b937e0
SHA3-384 hash: eeda6ae3a3ec0a489c878f315de247fcd88834eca8288e4e2b9fc6c62fee77158a24b49a440ff16920c4f2bfdddc03f7
SHA1 hash: 7553310e59311ea2f7af36df7379ce513a42a33a
MD5 hash: a3bef6ea366086e97cc6d5c57c211869
humanhash: indigo-floor-idaho-mango
File name:Hesap_Hareketleri_20-07-2024.exe
Download: download sample
Signature Formbook
File size:2'222'592 bytes
First seen:2024-07-22 08:34:16 UTC
Last seen:2024-07-23 09:50:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash bdd12e28ad568dc64eacd7cb42d8e2d5 (2 x RedLineStealer, 2 x Formbook, 1 x Smoke Loader)
ssdeep 49152:h2u/BMdg532rpsjCMqigjns2+a95PlpiH9MzMrcgt4h7NeiBAzD52:+rpEZIdBAnY
TLSH T177A5CF15A3E801A8D577DA34CA659332D6717C460730E58F0698FA5A3F73EA1AF3B312
TrID 72.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
13.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.5% (.EXE) OS/2 Executable (generic) (2029/13)
2.5% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 61c88c8c9498c0e0 (2 x AsyncRAT, 1 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
329
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
93.3%
Tags:
Execution Network Static Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint hacktool lolbin microsoft_visual_cc packed regedit remote shell32
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
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)
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)
Uses regedit.exe to modify the Windows registry
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1478170 Sample: Hesap_Hareketleri_20-07-2024.exe Startdate: 22/07/2024 Architecture: WINDOWS Score: 100 62 www.cm123453.xyz 2->62 64 www.xaj1699l08ws8.shop 2->64 66 19 other IPs or domains 2->66 90 Malicious sample detected (through community Yara rule) 2->90 92 Multi AV Scanner detection for submitted file 2->92 94 Yara detected FormBook 2->94 96 AI detected suspicious sample 2->96 10 Hesap_Hareketleri_20-07-2024.exe 1 2->10         started        13 iexplore.exe 2->13         started        15 iexplore.exe 2->15         started        signatures3 98 Performs DNS queries to domains with low reputation 62->98 process4 signatures5 102 Uses regedit.exe to modify the Windows registry 10->102 104 Writes to foreign memory regions 10->104 106 Allocates memory in foreign processes 10->106 108 Injects a PE file into a foreign processes 10->108 17 iexplore.exe 10->17         started        20 conhost.exe 10->20         started        22 notepad.exe 10->22         started        28 2 other processes 10->28 24 iexplore.exe 69 109 13->24         started        26 iexplore.exe 15->26         started        process6 signatures7 88 Maps a DLL or memory area into another process 17->88 30 exOIHetDFlhps.exe 17->30 injected 33 ie_to_edge_stub.exe 1 24->33         started        35 iexplore.exe 30 103 24->35         started        38 iexplore.exe 24->38         started        40 2 other processes 24->40 process8 dnsIp9 118 Found direct / indirect Syscall (likely to bypass EDR) 30->118 42 MRINFO.EXE 1 13 30->42         started        45 msedge.exe 24 341 33->45         started        68 code.jquery.com 151.101.194.137, 443, 49750, 49751 FASTLYUS United States 35->68 70 sb.scorecardresearch.com 18.244.18.27, 443, 49743, 49744 AMAZON-02US United States 35->70 48 ie_to_edge_stub.exe 35->48         started        50 ssvagent.exe 35->50         started        72 prod.appnexus.map.fastly.net 151.101.193.108, 443, 49779, 49780 FASTLYUS United States 38->72 signatures10 process11 dnsIp12 110 Tries to steal Mail credentials (via file / registry access) 42->110 112 Tries to harvest and steal browser information (history, passwords, etc) 42->112 114 Modifies the context of a thread in another process (thread injection) 42->114 116 3 other signatures 42->116 52 exOIHetDFlhps.exe 42->52 injected 56 firefox.exe 42->56         started        86 239.255.255.250 unknown Reserved 45->86 58 msedge.exe 45->58         started        60 msedge.exe 45->60         started        signatures13 process14 dnsIp15 74 xaj1699l08ws8.shop 142.171.29.133, 49722, 80 MTS-ASNCA Canada 52->74 76 www.dynamologistics.net 35.212.86.52, 49807, 49808, 49809 GOOGLE-2US United States 52->76 82 2 other IPs or domains 52->82 100 Found direct / indirect Syscall (likely to bypass EDR) 52->100 78 clients2.googleusercontent.com 58->78 80 googlehosted.l.googleusercontent.com 142.250.186.161, 443, 49719 GOOGLEUS United States 58->80 84 5 other IPs or domains 58->84 signatures16
Threat name:
Win64.Backdoor.FormBook
Status:
Malicious
First seen:
2024-07-18 19:35:36 UTC
File Type:
PE+ (Exe)
Extracted files:
12
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
70367e0bfb4de8097ebef88d2a33d035db64f84cc202e44e46c006eb87b937e0
MD5 hash:
a3bef6ea366086e97cc6d5c57c211869
SHA1 hash:
7553310e59311ea2f7af36df7379ce513a42a33a
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:Jupyter_infostealer
Author:CD_R0M_
Description:Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022
Rule name:NET
Author:malware-lu
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Malspam

Formbook

Executable exe 70367e0bfb4de8097ebef88d2a33d035db64f84cc202e44e46c006eb87b937e0

(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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::CreateWellKnownSid
ADVAPI32.dll::RevertToSelf
ADVAPI32.dll::GetSecurityDescriptorLength
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetWindowsAccountDomainSid
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
ADVAPI32.dll::SetThreadToken
KERNEL32.dll::VirtualAllocExNuma
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::DeleteVolumeMountPointW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::FreeConsole
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleWindow
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::ReplaceFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptDecrypt
bcrypt.dll::BCryptDestroyKey
bcrypt.dll::BCryptEncrypt
bcrypt.dll::BCryptGenRandom
bcrypt.dll::BCryptImportKey
bcrypt.dll::BCryptOpenAlgorithmProvider
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyExW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExA
ADVAPI32.dll::RegSetValueExW

Comments