MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 415c6e1b1a10753be59eb88d1b2304d05b4f97e858724911ff82a86865ba3e86. 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 19 File information Comments

SHA256 hash:	415c6e1b1a10753be59eb88d1b2304d05b4f97e858724911ff82a86865ba3e86
SHA3-384 hash:	3b7a62141e12b3467471262593d169a1b33f214d7944ef80b78dfea9f55fe55e35ad1c28cf74234e7817a24495433806
SHA1 hash:	522822360d8ee2846ee17aa1cfdf53d903553562
MD5 hash:	d0a70465dc63407149ca91e51ddd2541
humanhash:	connecticut-ohio-bluebird-ten
File name:	PURCHASE ORDER 199202509..exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'061'888 bytes
First seen:	2025-02-05 05:56:29 UTC
Last seen:	2025-02-05 06:21:12 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	24576:FRklFRYpJmXB9r0xDOcsTSsGvIa3rjf9HA+pp9DQT:gUmUycsbE3rT9g+pjD
Threatray	18 similar samples on MalwareBazaar
TLSH	T12135023CF2E36F22DB480636DDDA9D1003B771A6A076F29D14D241ED9C0EFA95824B67
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
File icon (PE):
dhash icon	8018b49492b41880 (13 x Formbook, 4 x AgentTesla, 4 x MassLogger)
Reporter	threatcat_ch
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

607

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

PURCHASE ORDER 199202509..exe

Verdict:

No threats detected

Analysis date:

2025-02-05 05:59:11 UTC

Tags:

netreactor

Link:

https://app.any.run/tasks/3be603d4-b3b6-4658-a6ec-5773672bf2b3

Note:

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

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.11944.6943.UNOFFICIAL

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67a2ff6d51193558eb196c00

Tags:

agenttesla virus msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

masquerade net_reactor obfuscated obfuscated obfuscated packed packed packer_detected vbnet

Link:

https://www.filescan.io/uploads/67a2fdbea6ebd0c5abeaf4f8/reports/f12db677-dfa1-4a1c-af05-4cfebd80821d/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/415c6e1b1a10753be59eb88d1b2304d05b4f97e858724911ff82a86865ba3e86

Result

Verdict:

SUSPICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/8cfbdcb1-f793-40ab-8a11-d2c8ee80b0c8

Result

Threat name:

FormBook, PureLog Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1607131

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains potential unpacker

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

Found direct / indirect Syscall (likely to bypass EDR)

Initial sample is a PE file and has a suspicious name

Joe Sandbox ML detected suspicious sample

Machine Learning detection for 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

Queues an APC in another process (thread injection)

Suricata IDS alerts for network traffic

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 AntiVM3

Yara detected FormBook

Yara detected PureLog Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/415c6e1b1a10753be59eb88d1b2304d05b4f97e858724911ff82a86865ba3e86

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/415c6e1b1a10753be59eb88d1b2304d05b4f97e858724911ff82a86865ba3e86/

Threat name:

ByteCode-MSIL.Backdoor.njRAT

Status:

Malicious

First seen:

2025-02-05 05:57:14 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

21 of 38 (55.26%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ifog4gy2cb2txzm6xcgrwiye2bnu7f7ilbzesep7qkugqzn2h2da._file

Verdict:

malicious

Label(s):

formbook

unknown_loader_037

Formbook

3b1b0c6e463108f7a2f9d683fd69ebb175b10e5662b27cc7e8511fca4157f407

Formbook

44c3fc308875ed0c6fcf4a10068e2790eb3397bb441b38ede833361312f74997

Formbook

4c9850cad6a1efce3f23362ff3f68fe5fee556e3e344e867f16ac821701e90ad

Formbook

75db64719f3225f1e42a86bb7cca56871f757076f81c42802e22a83629ac4fbb

Formbook

7c7a37f2a806c0e0845d2605f3f39cd7d80637d8a59ff7d2fa6a9125dfb329ee

Formbook

98a11f5e0943f5a8e0475b4c7d87b5f67a1d39f7c44e564d86df4ebd687686f8

Formbook

error

Formbook

+ 8 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery

Link:

https://tria.ge/reports/250205-gnn4xsvjeq/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Verdict:

Unknown

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/251f0c21-e878-4ec6-95ce-5cb589f38af5

Unpacked files

SH256 hash:

415c6e1b1a10753be59eb88d1b2304d05b4f97e858724911ff82a86865ba3e86

MD5 hash:

d0a70465dc63407149ca91e51ddd2541

SHA1 hash:

522822360d8ee2846ee17aa1cfdf53d903553562

Link:

https://www.unpac.me/results/a7e28b26-f614-4220-b6ed-db638b4ab863/

SH256 hash:

66252652c2185f1650ea2b8a112d7f37dab905517864a37f1ad55910f99b5701

MD5 hash:

d9273728a5cd534e99d09d0a5b85ff4a

SHA1 hash:

4c1659287f525e55cd495bdf9f42f25b6d6f2db4

Link:

https://www.unpac.me/results/a7e28b26-f614-4220-b6ed-db638b4ab863/

SH256 hash:

6a9c22e6a30291d9625fdcdeb421f5cab15800699bce19b7a3885cfbd688dd78

MD5 hash:

9d8f2da247eead7b52122a8b296f67f1

SHA1 hash:

4fbffe02746e9630c093d35925f5e5d7bf988909

Link:

https://www.unpac.me/results/a7e28b26-f614-4220-b6ed-db638b4ab863/

SH256 hash:

3200fcad31dcb9f61f97db9beb7d7fdebad19d3c6653fa285b5493d815c7563d

MD5 hash:

fbca5fe59a8ab7eae43f6e9efc72f88f

SHA1 hash:

6524f32f2d53061505fa351772dbb898a8198a84

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/a7e28b26-f614-4220-b6ed-db638b4ab863/

SH256 hash:

e712bcd56fe64742c0f674f3acff83490f8103c260ea3389f56151b5066b7cd3

MD5 hash:

7bad4197d1ae020c9049a782eb9a71d2

SHA1 hash:

e1253047ea92beb7d161b106765ad8b03bc86b1e

Link:

https://www.unpac.me/results/a7e28b26-f614-4220-b6ed-db638b4ab863/

SH256 hash:

dce7ab11d9c70a43de3a801474b07fd1448d3cbb19e8e1c660280b9753cdfeef

MD5 hash:

af27f65a317e92c4128cefdaf40ed136

SHA1 hash:

4c814168907a8665c2124e21ae5d08b23eb9ca80

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/a7e28b26-f614-4220-b6ed-db638b4ab863/

Parent samples :

fd3164057ef5cfebb668b25b93a0638edf8d032f7a1e0c13249334bd913a1ad3
4f5485ab92f3a371c464a8e4d43fcbed828827f7d3cb4d96ba314dad62876bb6
44c3fc308875ed0c6fcf4a10068e2790eb3397bb441b38ede833361312f74997
75db64719f3225f1e42a86bb7cca56871f757076f81c42802e22a83629ac4fbb
4c9850cad6a1efce3f23362ff3f68fe5fee556e3e344e867f16ac821701e90ad
7c7a37f2a806c0e0845d2605f3f39cd7d80637d8a59ff7d2fa6a9125dfb329ee
415c6e1b1a10753be59eb88d1b2304d05b4f97e858724911ff82a86865ba3e86
be8bef17ae29e1e5c3fc07a4c27dd4a89ec744644aaa2900b0cd9cd9cc230f11

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/415c6e1b1a10/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/415c6e1b1a10753be59eb88d1b2304d05b4f97e858724911ff82a86865ba3e86

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__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:	DotNet_Reactor Create hunting rule
Author:	@bartblaze
Description:	Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.

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:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

Rule name:	PureCrypter Create hunting rule
Author:	@bartblaze
Description:	Identifies PureCrypter, .NET loader and obfuscator.
Reference:	https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter

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:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

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

exe 415c6e1b1a10753be59eb88d1b2304d05b4f97e858724911ff82a86865ba3e86

(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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (GUARD_CF)	high

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample