MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef225a5e21f8fe0a5d8c269084c55afb314800ec24c40acd1d0afb6d6031933f. 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: ef225a5e21f8fe0a5d8c269084c55afb314800ec24c40acd1d0afb6d6031933f
SHA3-384 hash: 2832b8d540fbcacec47d8086ef2d114f727d4a40c58bf72eebcc2ecdfd349825344d98e57258ec0683c94f6b04e2da9c
SHA1 hash: eaa38306463b60f26b32e0bee1af00787b076529
MD5 hash: 1989adf98b5319dd9b911103982c490f
humanhash: two-may-potato-london
File name:00451.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'333'248 bytes
First seen:2024-08-08 12:53:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 24576:9qDEvCTbMWu7rQYlBQcBiT6rprG8aVbvYiRrhndkw9o1P:9TvC/MTQYxsWR7aVzdW1
Threatray 2'785 similar samples on MalwareBazaar
TLSH T12D55BE02738180E2FF9B91320B56E61156F869363133AD5F13581979BDFF1A11E3EEA2
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 b464c4d0f0e8dcc4 (54 x AgentTesla, 8 x Formbook, 3 x Stealc)
Reporter ngokoptmp
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
370
Origin country :
ID ID
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
00451.exe
Verdict:
No threats detected
Analysis date:
2024-08-08 12:55:22 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/248fe083-4617-4b4c-ac6b-f24a99c362ba

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Malware.Silentall-10034109-0
Create hunting rule

SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66b4bfedb35234d5cc65b4fd
Tags:
Heur
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 fingerprint keylogger lolbin microsoft_visual_cc packed shell32
Link:
https://www.filescan.io/uploads/66b4bff04cea245ec5b1391d/reports/54322211-e676-45c3-adff-b3cd60938abb/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/ef225a5e21f8fe0a5d8c269084c55afb314800ec24c40acd1d0afb6d6031933f
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/afa0fd7b-0b83-42fd-af4a-64c05dbde416
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1489978
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted 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)
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: 1489978 Sample: 00451.exe Startdate: 08/08/2024 Architecture: WINDOWS Score: 100 28 www.wholesalesquad.online 2->28 30 www.themix.tech 2->30 32 9 other IPs or domains 2->32 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Yara detected FormBook 2->46 48 3 other signatures 2->48 10 00451.exe 4 2->10         started        signatures3 process4 signatures5 60 Binary is likely a compiled AutoIt script file 10->60 62 Found API chain indicative of sandbox detection 10->62 64 Writes to foreign memory regions 10->64 66 2 other signatures 10->66 13 svchost.exe 10->13         started        process6 signatures7 68 Maps a DLL or memory area into another process 13->68 16 hLmaWDCuruUc.exe 13->16 injected process8 signatures9 40 Found direct / indirect Syscall (likely to bypass EDR) 16->40 19 regini.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 hLmaWDCuruUc.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 themix.tech 15.197.204.56, 49722, 49723, 49725 TANDEMUS United States 22->34 36 maggimilano.fun 195.110.124.133, 49727, 49728, 49730 REGISTER-ASIT Italy 22->36 38 3 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/ef225a5e21f8fe0a5d8c269084c55afb314800ec24c40acd1d0afb6d6031933f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef225a5e21f8fe0a5d8c269084c55afb314800ec24c40acd1d0afb6d6031933f/
Threat name:
Win32.Trojan.Strab
Create hunting rule
Status:
Malicious
First seen:
2024-08-08 12:54:07 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=54rfuxrb7d7auxmme2iijrk27myuqahmetcavti5bl5w2ybrsm7q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
063e09c22883b025e2e8bb6ec41cbf295c199bdcf243e2656dc6dbfd4fc5a00c
Formbook
19d32b052f1bd0acea48d155c946166c6ed7f426d1bc2ed373b880a28e0e4fd7
Formbook
295dd40a464d76333b41a0cd64ff51c2b2efd9544fcdb1c5d01e1be17dfbc3ea
Formbook
34ef233e777b23a565463af851cf6fe96cdbe3783eefe34fc32d7339f70bfe88
Formbook
73c43276a112f5446ab22153b11ce0df6a6232709233ee12402402acb2584d56
Formbook
78b3f8f461aaa1a44a997c5a6b7dbac7b183461c53632449562c18ccb1683e3d
Formbook
9a3e01c0866b7052796e2baf554cf507efcd0f773a68ab5dfa78be73e5f25f69
Formbook
bc7552a14462b18607de035f754f15abe5c0d141a20bcb8353d85bae3d810c00
Formbook
c7fb83779d206d559af06767bbda550fa5d8f8efc330c4485154fd1ab485908c
Formbook
+ 2'775 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/240809-k41pfasfmf/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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/8ae6837a-0636-4c44-9b50-4735eb2ac331
Unpacked files
SH256 hash:
f4f97dbd8b863697b20cf33dc45dc982bedfac163a7f660772b5f7f353d604a1
MD5 hash:
dcb87c2187542bbe3bc4f46f07651765
SHA1 hash:
955424ff9f727acd231808500a36314f8e7e8533
Detections:
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Link:
https://www.unpac.me/results/4c8c46a2-f3ea-445b-9b76-1df2dc2219ed/
Parent samples :
ef225a5e21f8fe0a5d8c269084c55afb314800ec24c40acd1d0afb6d6031933f
50cfa268e3578a8c9bad95ede03fbe72ef823fdea309a54616ff8fcd39ef67e1
196a03669f7bfd4f75ae13428fd5e4924bb7edbf714cf5a2e7e75aa33fdbe9c9
84b2ff40ad4d730d159263cbd17c600c76955c74ef082dba4f47d0de9fd33a2a
SH256 hash:
727eb965b1ae9e6b0d9a8d0506342492fa3c67c61debb578616a0504e2d15bc1
MD5 hash:
4242e29fdce0492d842f45597f84c4bd
SHA1 hash:
8a95798afe99a8c5f6748de49fcaa7d88f073ef9
Link:
https://www.unpac.me/results/4c8c46a2-f3ea-445b-9b76-1df2dc2219ed/
SH256 hash:
d4783ed4421cfcfb2f92bef974653e7d71281cd96de2ecef52b71a7293be9c54
MD5 hash:
e6be66a582c46bf3b1846f9031ffd5a1
SHA1 hash:
ee5f27685560ded3efd8309207529b7c4257ae79
Link:
https://www.unpac.me/results/4c8c46a2-f3ea-445b-9b76-1df2dc2219ed/
SH256 hash:
ef225a5e21f8fe0a5d8c269084c55afb314800ec24c40acd1d0afb6d6031933f
MD5 hash:
1989adf98b5319dd9b911103982c490f
SHA1 hash:
eaa38306463b60f26b32e0bee1af00787b076529
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/4c8c46a2-f3ea-445b-9b76-1df2dc2219ed/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ef225a5e21f8/report/overview.html
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/ef225a5e21f8fe0a5d8c269084c55afb314800ec24c40acd1d0afb6d6031933f

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 ef225a5e21f8fe0a5d8c269084c55afb314800ec24c40acd1d0afb6d6031933f

(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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