MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fe4c784dfb841053360622561788dacfc8e4b81567bc461e4cd33e61d2d1e64. 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 3 File information Comments

SHA256 hash:	3fe4c784dfb841053360622561788dacfc8e4b81567bc461e4cd33e61d2d1e64
SHA3-384 hash:	94f31a3eef1890696136be420b8cb4af090aba254d399b904d1c9d8996301a67a8f4059af7dd15aec558bc1d9827a281
SHA1 hash:	d23e9b5eb48d192a8494b225472478d820e7083d
MD5 hash:	c798a0526218a02b39a5789aac0f8802
humanhash:	robin-connecticut-december-queen
File name:	AUG 2024 SOA.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	729'088 bytes
First seen:	2024-09-04 10:39:25 UTC
Last seen:	2024-09-07 15:35:48 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep	12288:sYV6MorX7qzuC3QHO9FQVHPF51jgc6B+gwiK3fw3uZhWOkVdRcTkXfmCspC1YHdm:LBXu9HGaVHaJK3I3uZoHuTofJr1Y/YGW
Threatray	3 similar samples on MalwareBazaar
TLSH	T173F423856BD0DE7AC4B433BAC13AAD245621B875DED0376A43A5F92EBC30B83D01715B
TrID	31.3% (.EXE) UPX compressed Win32 Executable (27066/9/6) 30.7% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4) 12.1% (.EXE) Win64 Executable (generic) (10523/12/4) 7.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
File icon (PE):
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	threatcat_ch
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

405

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

AUG 2024 SOA.exe

Verdict:

No threats detected

Analysis date:

2024-09-04 10:42:33 UTC

Tags:

upx

Link:

https://app.any.run/tasks/81adfce8-ea18-49c7-a7e5-7c68bc88fa22

Note:

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

Detection(s):

SecuriteInfo.com.Win32.Malware-gen.9974.10421.UNOFFICIAL

Verdict:

Malicious

Score:

90.2%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66d839068e12b8124ac93114

Tags:

Inject

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Creating a file in the %temp% directory

Launching a process

Сreating synchronization primitives

Unauthorized injection to a system process

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

autoit lolbin microsoft_visual_cc packed packed packed shell32 upx

Link:

https://www.filescan.io/uploads/66d839045c586f64e5f56a5d/reports/ccea4f19-728a-43ce-91c5-e703c5bbdde2/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/3fe4c784dfb841053360622561788dacfc8e4b81567bc461e4cd33e61d2d1e64

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/6ec6e217-70e1-4c03-9bf0-ffae51b823b2

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1504021

Signature

AI detected suspicious sample

Binary is likely a compiled AutoIt script file

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 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)

Writes to foreign memory regions

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/3fe4c784dfb841053360622561788dacfc8e4b81567bc461e4cd33e61d2d1e64

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/3fe4c784dfb841053360622561788dacfc8e4b81567bc461e4cd33e61d2d1e64/

Threat name:

Win32.Trojan.Formbooks

Status:

Malicious

First seen:

2024-09-03 23:59:03 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

14 of 24 (58.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=h7smpbg7xbaqkm3amiswc6envt6i4s4bkz54iypezuz6mhjndzsa._file

Verdict:

malicious

Formbook

d662f78e5e0c62cdc866836476cc59a0f26edd95d9e14fd2f246792c39f44096

Formbook

Result

Malware family:

n/a

Score:

7/10

Tags:

discovery upx

Link:

https://tria.ge/reports/240904-mqjj4sybjn/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

AutoIT Executable

Suspicious use of SetThreadContext

UPX packed file

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/9285b988-c07d-4f64-97e4-de8bae55ce62

Unpacked files

SH256 hash:

a733c718bc86efb4dd0bc2f6003442637844451bbcf516ba0347300751ca672e

MD5 hash:

c7a95d6083a747e77534fe4d3a834e43

SHA1 hash:

ec7c51b46c3e2e3cfe8d5caaf5f5169c4cdca4a2

Detections:

win_formbook_g0

win_formbook_w0

Link:

https://www.unpac.me/results/7da97bf0-b65c-408d-848e-21742723cf6a/

Parent samples :

593d4af1922cf7edf2908ba830fc3ba4cdcf51fc0233fe72783cd836243fbecf
2b2814cc30915dd6022bf80353b6e37bdabd379c351fd2e201cd3ee53621b147
3666991ba9b1b0ab338f41c37c0bfe3a8ae0fbfbde9820679a76362a610a0b23
d662f78e5e0c62cdc866836476cc59a0f26edd95d9e14fd2f246792c39f44096
17a478564c4eb41b217ae131ab1b433278bb60bd0d4b0f876f602d71336abae3
3fe4c784dfb841053360622561788dacfc8e4b81567bc461e4cd33e61d2d1e64
e38d7e764bae9be6ef464c001dc3784c28d165bff06c390ef600d785ec1871c1

SH256 hash:

b56ca9d855c924787ee2fc975458503b38c2cdc2990386bc1aba61372ba4a5f0

MD5 hash:

70b61828deeb6bc00745fe9f4d283437

SHA1 hash:

f2fb66e2c0311841603dbf3220a11ea4b84a8ea1

Link:

https://www.unpac.me/results/7da97bf0-b65c-408d-848e-21742723cf6a/

SH256 hash:

772a9a02716f0257faf7a8781c7e0ce243d8a209bdbf6ec83a88b7e226134b78

MD5 hash:

e1aadffc4b23450d5d9bf78a6a998bdf

SHA1 hash:

91e91173cb544fc16af89647001cef9e7b113b40

Detections:

AutoIT_Compiled

Link:

https://www.unpac.me/results/7da97bf0-b65c-408d-848e-21742723cf6a/

SH256 hash:

3fe4c784dfb841053360622561788dacfc8e4b81567bc461e4cd33e61d2d1e64

MD5 hash:

c798a0526218a02b39a5789aac0f8802

SHA1 hash:

d23e9b5eb48d192a8494b225472478d820e7083d

Detections:

SUSP_Imphash_Mar23_3

Link:

https://www.unpac.me/results/7da97bf0-b65c-408d-848e-21742723cf6a/

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/3fe4c784dfb841053360622561788dacfc8e4b81567bc461e4cd33e61d2d1e64

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:	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:	UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser Create hunting rule
Author:	malware-lu

Rule name:	upx_largefile Create hunting rule
Author:	k3nr9

File information

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

Malspam

Formbook

zip cb876a5446bf425c57a52dedab603c09fa53a6d9929f83c47eebd84b7ff9025e

Formbook

exe 3fe4c784dfb841053360622561788dacfc8e4b81567bc461e4cd33e61d2d1e64

(this sample)

Delivery method

Distributed via e-mail attachment

Dropped by

SHA256 cb876a5446bf425c57a52dedab603c09fa53a6d9929f83c47eebd84b7ff9025e

Dropped by

MD5 809419ba9213a8ea737dc357998df8b0

Dropped by

SHA256 972e5479865da7ae1de3cf2b865db23090e8ac1d882eb7ea2f61ba56c15115d6

Dropped by

MD5 0d218b4057f242226ab97af92b57da0d

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::GetAce
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::timeGetTime
WIN_BASE_API	Uses Win Base API	KERNEL32.DLL::LoadLibraryA
WIN_NETWORK_API	Supports Windows Networking	MPR.dll::WNetUseConnectionW

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