MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52d5c762af537da5608ae0f3d41a2333b67ded34eec044ef1bf2fb55ef64a346. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 52d5c762af537da5608ae0f3d41a2333b67ded34eec044ef1bf2fb55ef64a346
SHA3-384 hash: 378f55415108cd69fd1b7784f2039687d45be1a14c17122b1baf71d29f5b103df92c1fbd277e3ca474691f946e01775c
SHA1 hash: cdaabcf9351af94a4583c4eca130192661e9de5a
MD5 hash: 3d1b31ac1374097820e509723b623dd8
humanhash: apart-coffee-nebraska-cold
File name:PO 1024.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'488'896 bytes
First seen:2024-07-29 08:54:16 UTC
Last seen:2024-08-05 13:00:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 24576:mqDEvCTbMWu7rQYlBQcBiT6rprG8axYlF/++W3ysIHKML/1:mTvC/MTQYxsWR7axYfNWpe
TLSH T183657A0363BDC0E2FE5EBD720A46A31146B86D560132E51FD25F3DE9E973163C2296E2
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 31b09c969698b033 (55 x AgentTesla, 27 x AveMariaRAT, 15 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
363
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO 1024.exe
Verdict:
No threats detected
Analysis date:
2024-07-29 10:18:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1cd49b35-8dde-4e1d-954d-42f0f1f1ca00

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a758f83ee5253b89e5dde4
Tags:
Shellcodecrypter
Result
Verdict:
Malware
Maliciousness:

Behaviour
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:
autoit epmicrosoft_visual_cc keylogger lolbin microsoft_visual_cc packed phishing shell32
Link:
https://www.filescan.io/uploads/66a758f655684023171663cd/reports/33df52d2-a560-4edc-b156-c6e932ab185a/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/52d5c762af537da5608ae0f3d41a2333b67ded34eec044ef1bf2fb55ef64a346
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7df7f870-d831-43c1-9dc2-6b190998fed2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1483898
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Found API chain indicative of sandbox detection
Found direct / indirect Syscall (likely to bypass EDR)
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
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: 1483898 Sample: PO 1024.exe Startdate: 29/07/2024 Architecture: WINDOWS Score: 100 28 www.webshopmotors.online 2->28 30 www.hongsuilai6.shop 2->30 32 12 other IPs or domains 2->32 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected FormBook 2->46 48 5 other signatures 2->48 10 PO 1024.exe 4 2->10         started        signatures3 process4 signatures5 60 Binary is likely a compiled AutoIt script file 10->60 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 XbtJcOLnYNkDC.exe 13->16 injected process8 signatures9 40 Found direct / indirect Syscall (likely to bypass EDR) 16->40 19 sdchange.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 XbtJcOLnYNkDC.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 hongsuilai6.shop 172.96.186.184, 54879, 54880, 54881 SINGLEHOP-LLCUS Canada 22->34 36 emme4.online 195.110.124.133, 54883, 54884, 54885 REGISTER-ASIT Italy 22->36 38 5 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/52d5c762af537da5608ae0f3d41a2333b67ded34eec044ef1bf2fb55ef64a346
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/52d5c762af537da5608ae0f3d41a2333b67ded34eec044ef1bf2fb55ef64a346/
Threat name:
Win32.Infostealer.Tinba
Create hunting rule
Status:
Malicious
First seen:
2024-07-29 03:54:17 UTC
File Type:
PE (Exe)
Extracted files:
29
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=klk4oyvpkn62kyek4dz5igrdgo3h33ju53aej3y36l5vl33eunda._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/240729-kvf9fa1ajj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/077389e3-289d-44af-8407-95f1be271d77
Unpacked files
SH256 hash:
319d82c9174f374060747104a9df9480375a6d12d11fec439143240e5d76dbde
MD5 hash:
9f76f1a91f013e068464f82588946e4e
SHA1 hash:
03dbd37be5543d4cf46bfc6609f5aa049ccac73e
Link:
https://www.unpac.me/results/18cf1149-158a-46dd-b8c6-50af13a83d33/
SH256 hash:
92a97c95613e3b273bf2e0a36e8e2cf547c4754c18e0fa85cb2d769acf6c9693
MD5 hash:
4a4ac4dd84274cef1e5a239557ff024a
SHA1 hash:
6906a7e46d30b3152da03349ac7bf77d2c305dfc
Detections:
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Link:
https://www.unpac.me/results/18cf1149-158a-46dd-b8c6-50af13a83d33/
Parent samples :
52d5c762af537da5608ae0f3d41a2333b67ded34eec044ef1bf2fb55ef64a346
916de120c4d2812634e1124697edf5bad6eebd8c863e55fec1603fdf5a3f8bf7
c90b07c5a8fc34bd981b78834dcf6822f48c81db37d3c4e078dbd77e64d6d03b
6e91e87caf50bb5082e3a47af60257d589180308263ec48f6d6d11d211b14565
de619620b09f8e87741e0b3976f0441e68223bce0fb5bf0484c433edb39dd362
a42b86a6e286e1f86fdfd5f60d42b7deac0eb1af0fb680950672ac1002ff1b97
572bac7bbc6f0698807db58bdd1004831a71bab2d53d0141cbe31dc853acae07
ec0abef5fb66cd68576c583e78297f1c1e270f66be5a04236b116d99b9ee5b0e
SH256 hash:
52d5c762af537da5608ae0f3d41a2333b67ded34eec044ef1bf2fb55ef64a346
MD5 hash:
3d1b31ac1374097820e509723b623dd8
SHA1 hash:
cdaabcf9351af94a4583c4eca130192661e9de5a
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/18cf1149-158a-46dd-b8c6-50af13a83d33/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/52d5c762af53/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/52d5c762af537da5608ae0f3d41a2333b67ded34eec044ef1bf2fb55ef64a346

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
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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:pe_detect_tls_callbacks
Create hunting rule

File information

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

Malspam

Formbook

Executable exe 52d5c762af537da5608ae0f3d41a2333b67ded34eec044ef1bf2fb55ef64a346

(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::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
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::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
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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