MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88fb97582559f24a7c42655a80e7131a57f23efbb5f04157d0f528b67332bff5. 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

Stealc

Vendor detections: 16

Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash:	88fb97582559f24a7c42655a80e7131a57f23efbb5f04157d0f528b67332bff5
SHA3-384 hash:	7291a1f87c62ebe237aaca4ae59701e4b0f2d39f4170f1e6d0c34d5b51a9688486e472afc008d4d546e4385b8e7cbcca
SHA1 hash:	6346719db3557a3f5aac50c3baf4273fb3c04aab
MD5 hash:	85f9f11868fcc4d26da1a69ddd0e4584
humanhash:	leopard-kansas-diet-pizza
File name:	ScreenUpdateSync.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	338'432 bytes
First seen:	2024-10-05 13:27:50 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	814691d689504a7b47ef0975d6b8ac56 (1 x Stealc)
ssdeep	6144:lDKLfehk402hDdMr3NwGZx9iRBuIEHR9edN:lebeSl2g+kPw3Ex9edN
TLSH	T1A674BF116AF1F3C7F3B7CA315AB19DA8DAFBFCE26A70509F11C4662F2831581A905712
TrID	46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 8.5% (.EXE) Win64 Executable (generic) (10523/12/4) 5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
File icon (PE):
dhash icon	0092944181c57000 (1 x Stealc)
Reporter	aachum
Tags:	exe Stealc

iamaachum

62.204.41.159/ScreenUpdateSync.exe

StealC C2: http://62.204.41.159/edd20096ecef326d.php

Intelligence

File Origin

# of uploads :

# of downloads :

416

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

ScreenUpdateSync.exe

Verdict:

Malicious activity

Analysis date:

2024-10-05 13:29:17 UTC

Tags:

stealc stealer

Link:

https://app.any.run/tasks/a4c9fe7d-c8d8-4827-b340-6b8c2a724ade

Note:

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

Verdict:

Malicious

Score:

98.2%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67013ee5ebeac9e68050babc

Tags:

Exploit Cobalt Hype Onli

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed stealc

Link:

https://www.filescan.io/uploads/67013ee6cb753e01de470664/reports/6ce2500a-36c9-425e-95d8-549133c165d5/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/88fb97582559f24a7c42655a80e7131a57f23efbb5f04157d0f528b67332bff5

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:

Stealc

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/3ac4230e-42f8-487f-b9ab-ab8e5882b737

Result

Threat name:

Stealc, Vidar

Detection:

malicious

Classification:

phis.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1526399

Signature

AI detected suspicious sample

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Found evasive API chain (may stop execution after checking locale)

Found malware configuration

Found many strings related to Crypto-Wallets (likely being stolen)

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Overwrites Mozilla Firefox settings

Searches for specific processes (likely to inject)

Suricata IDS alerts for network traffic

Tries to harvest and steal Bitcoin Wallet information

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal ftp login credentials

Tries to steal Crypto Currency Wallets

Yara detected Powershell download and execute

Yara detected Stealc

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/88fb97582559f24a7c42655a80e7131a57f23efbb5f04157d0f528b67332bff5

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/88fb97582559f24a7c42655a80e7131a57f23efbb5f04157d0f528b67332bff5/

Threat name:

Win32.Trojan.Stealc

Status:

Malicious

First seen:

2024-10-05 13:28:06 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=rd5zowbflhzeu7ccmvnibzytdjl7epx3wxyecv6q6uulm4zsx72q._file

Verdict:

malicious

Label(s):

stealc

shellcode_loader_002

Similar samples:

error

Stealc

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:default5_cap discovery stealer

Link:

https://tria.ge/reports/241005-qqm43stflr/

Behaviour

Program crash

System Location Discovery: System Language Discovery

Stealc

Malware Config

C2 Extraction:

http://62.204.41.159

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/63d507db-0cd7-45cc-a879-b96bd66b6d82

Unpacked files

SH256 hash:

4395f2b199c010a2f39302ce555468fb205bdcbb2820e35f0f388199fd063f7a

MD5 hash:

cf4e4860f2fd926494b96ae168fee45d

SHA1 hash:

2610abf4676ebfb7291a747cdac45b33f4988366

Detections:

stealc

Link:

https://www.unpac.me/results/028dbbaf-ca2a-49aa-92f6-5da3cd428336/

Parent samples :

88fb97582559f24a7c42655a80e7131a57f23efbb5f04157d0f528b67332bff5
789f491231ab3aaed99e16d0c62facb8cbdf6d101b3d8135a58c1657bc9ea994

SH256 hash:

29e7e1c1e1a7e5f26f6961d8036cdd04ee4557dec0a7dcadcd8e7651f5e53f43

MD5 hash:

2ec23e83e2f63ab27c25741b1f4d7f49

SHA1 hash:

bb231b274bd66393fa830a44e6d4447d4399eeb9

Link:

https://www.unpac.me/results/028dbbaf-ca2a-49aa-92f6-5da3cd428336/

SH256 hash:

88fb97582559f24a7c42655a80e7131a57f23efbb5f04157d0f528b67332bff5

MD5 hash:

85f9f11868fcc4d26da1a69ddd0e4584

SHA1 hash:

6346719db3557a3f5aac50c3baf4273fb3c04aab

Link:

https://www.unpac.me/results/028dbbaf-ca2a-49aa-92f6-5da3cd428336/

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/88fb97582559f24a7c42655a80e7131a57f23efbb5f04157d0f528b67332bff5

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:	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.

Web download

Stealc

exe 88fb97582559f24a7c42655a80e7131a57f23efbb5f04157d0f528b67332bff5

(this sample)

Link

https://tria.ge/241005-qk6n8stepn

Dropped by

PrivateLoader

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3176981/

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_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::DeleteVolumeMountPointW KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetVolumeInformationA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleOutputAttribute KERNEL32.dll::ReadConsoleW KERNEL32.dll::ReadConsoleOutputA KERNEL32.dll::SetConsoleMode KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleAliasesLengthW KERNEL32.dll::GetConsoleAliasExesLengthA
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileW KERNEL32.dll::MoveFileA KERNEL32.dll::GetFileAttributesA KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameW KERNEL32.dll::QueryDosDeviceA

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