MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c15dfa7f120ee9daf9a2172a5124abea950977570094597507ae7820cf4d9f2. 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: 15

Intelligence 15 IOCs YARA 16 File information Comments

SHA256 hash:	2c15dfa7f120ee9daf9a2172a5124abea950977570094597507ae7820cf4d9f2
SHA3-384 hash:	511773aa55fbeb5b96ff625e38e7f771a67cae4bbe242936e3fe6e6d5ce742c6686218dd94c5b4a4bad7a723b328e716
SHA1 hash:	88ffa4b9532d0710a225056d8bd48a2130c60827
MD5 hash:	d803c11cf4be567376b80cbf2820d88b
humanhash:	twenty-charlie-pizza-nineteen
File name:	PO 4500002483 Khalifa University_pdf.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'606'656 bytes
First seen:	2025-01-08 12:49:35 UTC
Last seen:	2025-02-07 14:05:12 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep	49152:aTvC/MTQYxsWR7a+/E3yJtB52+kbftcLZ7:qjTQYxsWRfJ7R816F
Threatray	5'574 similar samples on MalwareBazaar
TLSH	T1C275E10273D1C062FFAB92334B5AF65146BC6A660123E61F13981DB9FE701B1563E7A3
TrID	68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 12.5% (.EXE) Win64 Executable (generic) (10522/11/4) 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)
Magika	pebin
File icon (PE):
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	cocaman
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

449

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

PO 4500002483 Khalifa University_pdf.exe

Verdict:

Malicious activity

Analysis date:

2025-01-08 12:55:42 UTC

Tags:

autoit

Link:

https://app.any.run/tasks/5d6e01a0-dfb4-454f-b999-495c8fb50468

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL

Verdict:

Malicious

Score:

91.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=677e75aec029bd73f286d67c

Tags:

underscore 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 autoit compiled-script evasive findstr fingerprint keylogger lolbin masquerade microsoft_visual_cc mpcmdrun packed packed packer_detected phishing reg

Link:

https://www.filescan.io/uploads/677e747ff23745915e3d9d03/reports/cc38f880-2698-4421-bf0b-5cd44e1844d1/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_70%

Link:

https://www.hybrid-analysis.com/sample/2c15dfa7f120ee9daf9a2172a5124abea950977570094597507ae7820cf4d9f2

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/fbb25dc1-ea8a-4205-8dbe-adc95ffd2d60

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.evad

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/1585907

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

Initial sample is a PE file and has a suspicious name

Machine Learning detection for sample

Maps a DLL or memory area into another process

Multi AV Scanner detection for submitted file

Switches to a custom stack to bypass stack traces

Writes to foreign memory regions

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/2c15dfa7f120ee9daf9a2172a5124abea950977570094597507ae7820cf4d9f2

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2c15dfa7f120ee9daf9a2172a5124abea950977570094597507ae7820cf4d9f2/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-01-08 12:49:41 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

15 of 38 (39.47%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fqk57j7redxj3l42efzkkeskx2uvbf3voaeulf2qpltyedhu3hza._file

Verdict:

malicious

Label(s):

formbook

unknown_loader_036

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery

Link:

https://tria.ge/reports/250108-p2xl8asqdk/

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/91043f83-3ee4-4c49-b374-3e95b4c0542e

Unpacked files

SH256 hash:

fe70311d46442004049daa80ed87da8ae4e5105157d4af8c6d10550b414aca9d

MD5 hash:

490453a11854b9a067e4f42cb2cf05d7

SHA1 hash:

879d1b7aae5c5459130bdccda531bf1500f4286a

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/319155ec-610f-4fae-a091-db29c3554b1a/

Parent samples :

2c15dfa7f120ee9daf9a2172a5124abea950977570094597507ae7820cf4d9f2
3416983ea3ccb2569c35b4498d7f2fe2ac6171b75073a667bcd874e39a33f8ab
6936d43948bde2c85791f2441d2f8ab8e3aca4e230e7f3959977d7fb0d56c23b

SH256 hash:

74b185649b3a8e83177542954f0687ad8bd17633b8c5f84cebba0b4a8a1c3942

MD5 hash:

68964f9d8b9ed871b7541dcf06542ac5

SHA1 hash:

a2095b3bab37117843274406707ac278dbb69d7e

Link:

https://www.unpac.me/results/319155ec-610f-4fae-a091-db29c3554b1a/

SH256 hash:

2c15dfa7f120ee9daf9a2172a5124abea950977570094597507ae7820cf4d9f2

MD5 hash:

d803c11cf4be567376b80cbf2820d88b

SHA1 hash:

88ffa4b9532d0710a225056d8bd48a2130c60827

Link:

https://www.unpac.me/results/319155ec-610f-4fae-a091-db29c3554b1a/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/2c15dfa7f120/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/2c15dfa7f120ee9daf9a2172a5124abea950977570094597507ae7820cf4d9f2

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:	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_detect_tls_callbacks Create hunting rule

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:	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.

Malspam

Formbook

zip d2cf48923c36a0412215c7d5453a39139ad649d3499ed9608994168b01d332ac

Formbook

exe 2c15dfa7f120ee9daf9a2172a5124abea950977570094597507ae7820cf4d9f2

(this sample)

Delivery method

Other

Dropped by

SHA256 d2cf48923c36a0412215c7d5453a39139ad649d3499ed9608994168b01d332ac

Dropped by

MD5 ecf3095725618fc52ca51689adcd0e0c

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::AllocateAndInitializeSid ADVAPI32.dll::CopySid ADVAPI32.dll::FreeSid ADVAPI32.dll::GetLengthSid ADVAPI32.dll::GetTokenInformation ADVAPI32.dll::GetAce
COM_BASE_API	Can Download & Execute components	ole32.dll::CLSIDFromProgID ole32.dll::CoCreateInstance ole32.dll::CoCreateInstanceEx ole32.dll::CoInitializeSecurity ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::mciSendStringW WINMM.dll::timeGetTime WINMM.dll::waveOutSetVolume
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AddAce ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::CheckTokenMembership ADVAPI32.dll::DuplicateTokenEx ADVAPI32.dll::GetAclInformation ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteExW SHELL32.dll::ShellExecuteW SHELL32.dll::SHFileOperationW
WIN32_PROCESS_API	Can Create Process and Threads	ADVAPI32.dll::CreateProcessAsUserW KERNEL32.dll::CreateProcessW ADVAPI32.dll::CreateProcessWithLogonW KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken ADVAPI32.dll::OpenThreadToken
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::SetSystemPowerState KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileExW KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW IPHLPAPI.DLL::IcmpCreateFile KERNEL32.dll::CreateFileW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameW ADVAPI32.dll::GetUserNameW ADVAPI32.dll::LogonUserW ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_API	Supports Windows Networking	MPR.dll::WNetAddConnection2W MPR.dll::WNetUseConnectionW
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegConnectRegistryW ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW
WIN_USER_API	Performs GUI Actions	USER32.dll::BlockInput USER32.dll::CloseDesktop USER32.dll::CreateMenu USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::FindWindowW

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