MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0. 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: 17

Intelligence 17 IOCs YARA 14 File information Comments

SHA256 hash:	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0
SHA3-384 hash:	e0cae5d201d213730c32d83e4ceb19ce2d104f6f20d4cfc9b5c337134366cfe192d963380edbff7b835bfd9a7e419ee0
SHA1 hash:	28aac545fcd0c9b11d2546110966b812d1c6d920
MD5 hash:	f6e047942236cefdcd6559bca66a7b3e
humanhash:	hydrogen-dakota-table-pennsylvania
File name:	fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0
Download:	download sample
Signature	FormBook Create hunting rule
File size:	1'627'744 bytes
First seen:	2024-10-09 10:31:06 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	22a65106d3d84ea74d966fa0424a5a0c (8 x Formbook, 2 x AsyncRAT, 1 x AgentTesla)
ssdeep	49152:WAodtaG9kS2U84B+FLan9k5TRM9zlCVjkvr:K/B1Jz
Threatray	3'588 similar samples on MalwareBazaar
TLSH	T1D375BF19E3A811FCD52BC634CA55A233E6B174560B21A4CF1B99C7452FB3EE26B7B301
TrID	47.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 35.2% (.EXE) InstallShield setup (43053/19/16) 8.6% (.EXE) Win64 Executable (generic) (10523/12/4) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1) 1.6% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
Reporter	adrian__luca
Tags:	exe FormBook signed

Code Signing Certificate

Organisation:	Microsoft Code Signing PCA 2011
Issuer:	Microsoft Code Signing PCA 2011
Algorithm:	sha256WithRSAEncryption
Valid from:	2024-09-24T06:07:22Z
Valid to:	2025-09-24T06:07:22Z
Serial number:	7e3f87eb2fc12cdcddcce4a1ae9d2dca
Thumbprint Algorithm:	SHA256
Thumbprint:	600744d0ff24705e75c13bb64d916b2a929e430747c684d8854ad8e6ccda519b
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

387

Origin country :

Vendor Threat Intelligence

Malware family:

formbook

ID:

File name:

fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0

Verdict:

Malicious activity

Analysis date:

2024-10-09 10:28:02 UTC

Tags:

formbook xloader

Link:

https://app.any.run/tasks/07429a11-57d5-4ef8-aa6c-5cdd46a1cc47

Note:

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

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67065ba7f936b5621b0bc0a4

Tags:

Powershell Exploit Trojan Sage

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

fingerprint hacktool lolbin microsoft_visual_cc overlay packed regedit shell32 signed

Link:

https://www.filescan.io/uploads/67065ba34f53598f1493911a/reports/4627f168-3e76-41e2-9674-c54af42bf222/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0

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:

Suspicious

Link:

https://analyze.intezer.com/analyses/ba4f4786-1591-443f-afa1-81885b2743ed

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1529801

Signature

AI detected suspicious sample

Allocates memory in foreign processes

C2 URLs / IPs found in malware configuration

Found malware configuration

Injects a PE file into a foreign processes

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)

Sample uses process hollowing technique

Suricata IDS alerts for network traffic

Switches to a custom stack to bypass stack traces

System process connects to network (likely due to code injection or exploit)

Tries to detect virtualization through RDTSC time measurements

Writes to foreign memory regions

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0

Detection:

formbook

Link:

https://mwdb.cert.pl/sample/fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0/

Threat name:

Win64.Backdoor.FormBook

Status:

Malicious

First seen:

2024-09-29 01:05:00 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7wbiyu2lbzwosrqzemi53h5nvwmoql6msh7b6o633rssztb7ypia._file

Verdict:

malicious

Label(s):

formbook

FormBook

2d9e008828a19f6329b2ca4abcfdefa9b124e1eb5eb3270be8b6f1f77476b3d1

FormBook

32a211990a974cc2acdd1b3814a2f0ace854025a41f56c6fae00c75d334fbec9

FormBook

6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83

FormBook

eaffc7cc6da06f5894642bb88fff4a0186cf61100558af3cb552145f86d8e041

FormBook

error

FormBook

fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4

FormBook

+ 3'578 additional samples on MalwareBazaar

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:md02 discovery persistence rat spyware stealer trojan

Link:

https://tria.ge/reports/241009-mkyf3svaqd/

Behaviour

Modifies Internet Explorer settings

Runs regedit.exe

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Adds Run key to start application

Reads user/profile data of web browsers

Uses the VBS compiler for execution

Adds policy Run key to start application

Formbook payload

Formbook

Verdict:

Malicious

Tags:

formbook

YARA:

n/a

Link:

https://app.threat.zone/submission/2910117a-0408-45f3-9a32-97ed3996fa52

Unpacked files

SH256 hash:

fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0

MD5 hash:

f6e047942236cefdcd6559bca66a7b3e

SHA1 hash:

28aac545fcd0c9b11d2546110966b812d1c6d920

Link:

https://www.unpac.me/results/6d4bb5f4-5d02-430e-ab45-b75938b3a5cd/

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/fd828c534b0e/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/fd828c534b0e6ce946192311dd9fadad98e82fcc91fe1f3bdbdc652ccc3fc3d0

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:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerCheck__MemoryWorkingSet Create hunting rule
Author:	Fernando Mercês
Description:	Anti-debug process memory working set size check
Reference:	http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/

Rule name:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

Rule name:	Jupyter_infostealer Create hunting rule
Author:	CD_R0M_
Description:	Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	PE_Potentially_Signed_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	SEH__vectored Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

No further information available

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_DLL_CHARACTERISTICS	Missing dll Security Characteristics (GUARD_CF)	high

Reviews

ID	Capabilities	Evidence
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AdjustTokenPrivileges
WIN32_PROCESS_API	Can Create Process and Threads	ADVAPI32.dll::OpenProcessToken KERNEL32.dll::OpenProcess KERNEL32.dll::VirtualAllocExNuma KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThreadpoolIo KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::AllocConsole KERNEL32.dll::FreeConsole KERNEL32.dll::GetConsoleWindow KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW
WIN_BASE_USER_API	Retrieves Account Information	ADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_API	Can Encrypt Files	bcrypt.dll::BCryptDestroyKey bcrypt.dll::BCryptGenerateSymmetricKey bcrypt.dll::BCryptGenRandom bcrypt.dll::BCryptOpenAlgorithmProvider bcrypt.dll::BCryptCloseAlgorithmProvider
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW

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