MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 103f4d06040d2969d8bab013101432b632b6c472263c10b214a1c235d2c24901. 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: 103f4d06040d2969d8bab013101432b632b6c472263c10b214a1c235d2c24901
SHA3-384 hash: 840b98d94e2d522ee63db2bba2b2923432960356ec13cd45259efbed28eb1c45d5483af6d0bc0aa5064ed1141bbf2dfb
SHA1 hash: 260b7a3bf106ebfcde5c7b46049e3a6b58a7b72e
MD5 hash: 3be28ea663e24d76cce9645d1163c8e8
humanhash: crazy-failed-mike-bravo
File name:Payrol list.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'209'856 bytes
First seen:2024-07-29 08:54:14 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:UqDEvCTbMWu7rQYlBQcBiT6rprG8axbK+EmMUZIBmZ:UTvC/MTQYxsWR7axWf9
Threatray 2'715 similar samples on MalwareBazaar
TLSH T1F345CF0273C1C062FFAB92334B5AF6515BBC69260123E62F13A81D79BD705B1563E7A3
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 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 :
346
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payrol list.exe
Verdict:
No threats detected
Analysis date:
2024-07-29 10:23:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1ea8c3e5-7da4-4f0a-bf69-8a65494a00d0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a758f446f80f37dcaa9d04
Tags:
Network Stealth Autoit
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 shell32
Link:
https://www.filescan.io/uploads/66a758f34c5c17942a7f89ee/reports/85a7468c-b4bf-43f5-aa35-5801104e4790/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/103f4d06040d2969d8bab013101432b632b6c472263c10b214a1c235d2c24901
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/db526cbb-0a44-4c0b-9f01-2f494ea2f09f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1483900
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Creates HTML files with .exe extension (expired dropper behavior)
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 domain / URL
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)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1483900 Sample: Payrol list.exe Startdate: 29/07/2024 Architecture: WINDOWS Score: 100 29 www.adoby.xyz 2->29 31 www.wepayassessments.com 2->31 33 19 other IPs or domains 2->33 45 Multi AV Scanner detection for domain / URL 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 53 7 other signatures 2->53 10 Payrol list.exe 4 2->10         started        signatures3 51 Performs DNS queries to domains with low reputation 29->51 process4 signatures5 65 Binary is likely a compiled AutoIt script file 10->65 67 Maps a DLL or memory area into another process 10->67 13 svchost.exe 10->13         started        process6 signatures7 69 Maps a DLL or memory area into another process 13->69 16 KuZJpdvGVnulXiFiYmxLEbClvlyn.exe 13->16 injected process8 signatures9 43 Found direct / indirect Syscall (likely to bypass EDR) 16->43 19 PresentationHost.exe 15 16->19         started        process10 dnsIp11 35 107.173.58.75, 49753, 80 NEXEONUS United States 19->35 55 Creates HTML files with .exe extension (expired dropper behavior) 19->55 57 Tries to steal Mail credentials (via file / registry access) 19->57 59 Tries to harvest and steal browser information (history, passwords, etc) 19->59 61 4 other signatures 19->61 23 KuZJpdvGVnulXiFiYmxLEbClvlyn.exe 19->23 injected 27 firefox.exe 19->27         started        signatures12 process13 dnsIp14 37 www.adoby.xyz 162.0.213.72, 49749, 49750, 49751 ACPCA Canada 23->37 39 www.0araba.net 46.30.211.38, 49762, 49764, 49765 ONECOMDK Denmark 23->39 41 10 other IPs or domains 23->41 63 Found direct / indirect Syscall (likely to bypass EDR) 23->63 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/103f4d06040d2969d8bab013101432b632b6c472263c10b214a1c235d2c24901
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/103f4d06040d2969d8bab013101432b632b6c472263c10b214a1c235d2c24901/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-07-24 02:03:38 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ca7u2bqebuuwtwf2wajrafbswyzlnrdsey6bbmquuhbdluwcjeaq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
30f809d683f002853864a35cdcee48b223f474da1124827ea5c5202cc6b235cf
Formbook
53d3f8b9209a0635b6440b8a8f4bc5b027b979aa9ffcf3e9ca988f9398628169
Formbook
55cd7ea6d4209573a27733c6f747328657d5ffa14df52d0d01febe4b0a4260ed
Formbook
8fd32227ca310727137c28a5945497447ab479bd074d064ee11a6545d5eef5d6
Formbook
94e82736e48aa90cb26cc960e9c95ee4e416a6e3b2cbbbf14e135a7cd52579eb
Formbook
+ 2'705 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery stealer
Link:
https://tria.ge/reports/240729-kvf9fazhrr/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Credentials from Password Stores: Credentials from Web Browsers
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ac70c901-f84a-4e61-a2e9-36a43c6c9e80
Unpacked files
SH256 hash:
b2735e996ae9ee95c32615fe7def4705987a7f5091176ea053ef879150317a8c
MD5 hash:
1684e88c2345a119a5a700eefadd8828
SHA1 hash:
4df677b906f337c565f4a5b4331e8399516ca508
Detections:
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Link:
https://www.unpac.me/results/0c93255f-ea46-4669-9e92-d332272959d0/
Parent samples :
b1a485dad989a9f945ae6f4d98081e9e697fbfb65e25f511ea1a22d5ed647113
b96c94f2fb7072f885b94cbbf77e849b608df0b60b99819b4a0aeaf8761d3b47
6be3d2aba5d4ae48d24eb0fee3a63eca888be4a2b34648b83e78411984c9d1a6
103f4d06040d2969d8bab013101432b632b6c472263c10b214a1c235d2c24901
SH256 hash:
d6ef8c673e5954775b21db6ec92dd54ed41793bfbd86549a655fabca105759c4
MD5 hash:
8558510a90f6e38596f624fdd948650d
SHA1 hash:
b5e5d70ce21663a90d776bfe39866b6735ca3422
Link:
https://www.unpac.me/results/0c93255f-ea46-4669-9e92-d332272959d0/
SH256 hash:
0034f945ac8c0704bc312a5f5c474c2272d503c3deaee981e7592e45752607db
MD5 hash:
264b0a176637c823f6bce118766d1982
SHA1 hash:
e0c29c0ac9cb540441d6f750940222ab85e49c1d
Link:
https://www.unpac.me/results/0c93255f-ea46-4669-9e92-d332272959d0/
SH256 hash:
d8774a60a54dec53eb25b5a497b929fbdcaabe9722998877d760fb43fab1a504
MD5 hash:
ffcdc3d315084c346ba4a0819be60313
SHA1 hash:
df86876669a5c68829f53d809957cf90f293bf07
Link:
https://www.unpac.me/results/0c93255f-ea46-4669-9e92-d332272959d0/
SH256 hash:
b06223867a32ee025cb1508483d361946198307818aef9c9964f3a4e7adb6f18
MD5 hash:
b61ed81e7b77ff2c771a6e9f1ed70957
SHA1 hash:
d90459d1e70367b2ba274bf6c2029ac0ba91451b
Link:
https://www.unpac.me/results/0c93255f-ea46-4669-9e92-d332272959d0/
SH256 hash:
ee36b050a487e28c40c1cf8b723e9da3a8c41713aec7a35f8aeb59bc77a81694
MD5 hash:
8c10759337877fb1e6aee15dfd85ca15
SHA1 hash:
608e81d0bcff31a4ad14bb5f91bf7bdd2763bd18
Link:
https://www.unpac.me/results/0c93255f-ea46-4669-9e92-d332272959d0/
SH256 hash:
9cf2462823385f252c3166566d4ea7db30d6718cacec97eafdc62fc75e6ce235
MD5 hash:
551c06dfd508705e30dfc596af3d31cc
SHA1 hash:
55ac82b231dfebe205fc73b5611365bb974eafce
Link:
https://www.unpac.me/results/0c93255f-ea46-4669-9e92-d332272959d0/
SH256 hash:
5238c01f3ef08589861b07ac13ba0762465c7c77301b9c8462b678849d9d2b72
MD5 hash:
1e22ccb2c5defedd26ad1b9f64f70d41
SHA1 hash:
51bd7dcf4650ed0f8eb609c54fbb0cba26ee6d96
Link:
https://www.unpac.me/results/0c93255f-ea46-4669-9e92-d332272959d0/
SH256 hash:
103f4d06040d2969d8bab013101432b632b6c472263c10b214a1c235d2c24901
MD5 hash:
3be28ea663e24d76cce9645d1163c8e8
SHA1 hash:
260b7a3bf106ebfcde5c7b46049e3a6b58a7b72e
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/0c93255f-ea46-4669-9e92-d332272959d0/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/103f4d06040d/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/103f4d06040d2969d8bab013101432b632b6c472263c10b214a1c235d2c24901

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 103f4d06040d2969d8bab013101432b632b6c472263c10b214a1c235d2c24901

(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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