MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a28eae0a44e400475ec489d0c63c5f34399c800140af43109ce4af1f05ec9658. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a28eae0a44e400475ec489d0c63c5f34399c800140af43109ce4af1f05ec9658
SHA3-384 hash: fadb327e4a9b79464520f00f107ce6876d65c59c41f2a3e808d8e1629d322df8cf55bee3c98ab586b948adc7152d6586
SHA1 hash: 466773c31fe312ed5a63f25f074e42dc199968ea
MD5 hash: 83ee2413bea9f8b111928cd00343fd71
humanhash: kansas-gee-neptune-violet
File name:a28eae0a44e400475ec489d0c63c5f34399c800140af43109ce4af1f05ec9658
Download: download sample
Signature Formbook
Create hunting rule
File size:1'193'472 bytes
First seen:2025-04-08 08:47:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:xu6J33O0c+JY5UZ+XC0kGso6Fa61fjdnBJLnDiWWY:ju0c++OCvkGs9Fa61LdqY
Threatray 670 similar samples on MalwareBazaar
TLSH T1FE45CE2273DDC361CB669173BF69B7016EBF3C214630B85B2F980D7DA950162262D7A3
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
329
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a28eae0a44e400475ec489d0c63c5f34399c800140af43109ce4af1f05ec9658
Verdict:
No threats detected
Analysis date:
2025-04-08 15:35:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7471d9c5-82c0-4929-a482-cb63f94a3fdd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f4e4d9a695a0cd1facb434
Tags:
autoit emotet
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:
adaptive-context anti-debug autoit cmdkey compiled-script extrac32 fingerprint hacktool keylogger lolbin microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/67f4e2d240adfb5162bc06bc/reports/6bf12f3b-ae56-48bb-ae93-c21da4b81484/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a28eae0a44e400475ec489d0c63c5f34399c800140af43109ce4af1f05ec9658
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f546638b-e3d2-41e5-9aea-a7e0df8ff4e5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1659318
Signature
Binary is likely a compiled AutoIt script file
Found direct / indirect Syscall (likely to bypass EDR)
Joe Sandbox ML detected suspicious 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
Sigma detected: Uncommon Userinit Child Process
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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: 1659318 Sample: X87Pe1cCcR.exe Startdate: 08/04/2025 Architecture: WINDOWS Score: 100 31 www.emspodcast.xyz 2->31 33 yh7dr-1.qu966u1cgfir.homes 2->33 35 10 other IPs or domains 2->35 39 Suricata IDS alerts for network traffic 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected FormBook 2->43 47 3 other signatures 2->47 10 X87Pe1cCcR.exe 2 2->10         started        signatures3 45 Performs DNS queries to domains with low reputation 31->45 process4 signatures5 57 Binary is likely a compiled AutoIt script file 10->57 59 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->59 61 Writes to foreign memory regions 10->61 63 2 other signatures 10->63 13 svchost.exe 10->13         started        process6 signatures7 65 Maps a DLL or memory area into another process 13->65 16 FjTtJTIvfnDnmG32Jse.exe 13->16 injected process8 dnsIp9 25 www.pay18.shop 107.148.47.117, 80 PEGTECHINCUS United States 16->25 27 www.junkwe.online 162.0.225.218, 49724, 80 NAMECHEAP-NETUS Canada 16->27 29 3 other IPs or domains 16->29 37 Found direct / indirect Syscall (likely to bypass EDR) 16->37 20 userinit.exe 13 16->20         started        signatures10 process11 signatures12 49 Tries to steal Mail credentials (via file / registry access) 20->49 51 Tries to harvest and steal browser information (history, passwords, etc) 20->51 53 Modifies the context of a thread in another process (thread injection) 20->53 55 2 other signatures 20->55 23 firefox.exe 20->23         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a28eae0a44e400475ec489d0c63c5f34399c800140af43109ce4af1f05ec9658
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a28eae0a44e400475ec489d0c63c5f34399c800140af43109ce4af1f05ec9658/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-03-27 15:51:46 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ukhk4cse4qaeoxwerhimmpc7gq4zzaabicxugee44sxr6bpmszma._file
Verdict:
malicious
Label(s):
unc_loader_036
Create hunting rule
formbook
Create hunting rule
Similar samples:
1aa1866f0555892104a73d8187cbe413def3bfb2fb5b3442eba496ad13a967dd
Formbook
6f7544df4dfe84fbb3553c1408239e5ceca00d5f3eee8ef5200f53d97c150824
Formbook
716e89c67a16a27a06cc333e0fa142bea356f0e4ddabc8b0d1953396e0a3a142
Formbook
9db021ded5ccb35a785df72628f631a8ac6c1efad280ee9db66e23f1bcc8022d
Formbook
a28eae0a44e400475ec489d0c63c5f34399c800140af43109ce4af1f05ec9658
Formbook
a6a0b2a51dbee2c78e4ae0dc19f4cef988aaa73764efe03e65b5ab62a33d272d
Formbook
error
Formbook
+ 660 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250408-kqlclasms4/
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:
Malicious
Tags:
trojan
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/cb99573d-9ce0-47ee-83aa-56644e726dce
Unpacked files
SH256 hash:
c61948e80dd971c808e7220c036c33f663712a50ab3ecf9c9779fc51b7df5131
MD5 hash:
115e54e418afc4b92f09fd4138648219
SHA1 hash:
6ba76f23829f17177bfb189aedf0fbd852e4b65c
Link:
https://www.unpac.me/results/8b32849e-d694-47a4-8e8e-56786743a471/
SH256 hash:
38e74e2bc574795d6f0711c4fd07ab2ee33fef12c5174fd19699580f5f9b9b54
MD5 hash:
1cdec3e742b89dc7b8176d12c5ba82c4
SHA1 hash:
f7c8fe39f023b85be3d8cb8c6f2810a644aa5759
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/8b32849e-d694-47a4-8e8e-56786743a471/
Parent samples :
1aa1866f0555892104a73d8187cbe413def3bfb2fb5b3442eba496ad13a967dd
9db021ded5ccb35a785df72628f631a8ac6c1efad280ee9db66e23f1bcc8022d
6f7544df4dfe84fbb3553c1408239e5ceca00d5f3eee8ef5200f53d97c150824
a6a0b2a51dbee2c78e4ae0dc19f4cef988aaa73764efe03e65b5ab62a33d272d
0e675a12100636072f4f1bbb2b57438a71728ebbc9849b02b673ac628d150945
a28eae0a44e400475ec489d0c63c5f34399c800140af43109ce4af1f05ec9658
716e89c67a16a27a06cc333e0fa142bea356f0e4ddabc8b0d1953396e0a3a142
SH256 hash:
a28eae0a44e400475ec489d0c63c5f34399c800140af43109ce4af1f05ec9658
MD5 hash:
83ee2413bea9f8b111928cd00343fd71
SHA1 hash:
466773c31fe312ed5a63f25f074e42dc199968ea
Link:
https://www.unpac.me/results/8b32849e-d694-47a4-8e8e-56786743a471/
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_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:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
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
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::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
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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