MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0c4488b50fdd493a8652f2b5a89b7afaf0f7ea09021719d257aeeb0ed53e1e2. 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

CHStealer

Vendor detections: 15

Intelligence 15 IOCs YARA 19 File information Comments

SHA256 hash:	a0c4488b50fdd493a8652f2b5a89b7afaf0f7ea09021719d257aeeb0ed53e1e2
SHA3-384 hash:	ca9ed6d2d2122a5ebe62bc382d9ace08d1da21dc46233f252d4984adb301696dab663601078b7e56ea4873d3a2b721cb
SHA1 hash:	2a02afecfaf1b77dc8f7327104c867ab2c9fd123
MD5 hash:	9a0cd6042769c51fc007f30c5da6d407
humanhash:	fourteen-alanine-cat-romeo
File name:	Woba.exe
Download:	download sample
Signature	CHStealer Create hunting rule
File size:	2'162'176 bytes
First seen:	2026-03-25 14:51:01 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'242 x AgentTesla, 20'499 x Formbook, 12'374 x SnakeKeylogger)
ssdeep	24576:BodDPErawRZElcwjsFZRAQ0h7QXoFCbdqBgC:CP+pRZElcwjsFZRA2oFCbdqB
TLSH	T1C5A5A3C603F892D4C1B1837EAFDC6070AB655DDA0686B51CFC4A7700BA76CD3875AAE1
TrID	70.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.2% (.EXE) Win64 Executable (generic) (6522/11/2) 4.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
dhash icon	f0e896969696e8f0 (3 x AgentTesla, 2 x RedLineStealer, 2 x LummaStealer)
Reporter	aachum
Tags:	208-64-33-110 bestwirelessus-com CHstealer dropped-by-LummaStealer exe

iamaachum

https://bestwirelessus.com/wp-includes/pomo/Woba.exe (dropped by LummaStealer executable downloaded from a torrent)

CHStealer C2: 208.64.33.110:3237

Intelligence

File Origin

# of uploads :

# of downloads :

145

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

Woba.exe

Verdict:

Malicious activity

Analysis date:

2026-03-16 14:26:30 UTC

Tags:

stealer chstealer

Link:

https://app.any.run/tasks/affc0e44-03a0-4fe3-9a11-23ed5109682e

Note:

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

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/59267/

Detection(s):

SecuriteInfo.com.Trojan.Inject6.27310.10139.26321.UNOFFICIAL

Verdict:

Malicious

Score:

90.2%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69b8131e93b644ca466a9f97

Tags:

virus spawn msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Launching a process

Creating a file

DNS request

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

base64 explorer installer-heuristic lolbin msbuild obfuscated packed soft-404 venomrat

Link:

https://www.filescan.io/uploads/69c3f6685229aae88c865aad/reports/d84f18f9-c436-476b-924e-9d999a099e53/overview

Verdict:

Malicious

Labled as:

IL:Trojan.MSILZilla

Link:

https://www.hybrid-analysis.com/sample/a0c4488b50fdd493a8652f2b5a89b7afaf0f7ea09021719d257aeeb0ed53e1e2

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-03-15T07:40:00Z UTC

Last seen:

2026-03-21T23:20:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/a0c4488b50fdd493a8652f2b5a89b7afaf0f7ea09021719d257aeeb0ed53e1e2/results?tab=lookup

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/3a8d8e5c-ad08-4318-84e7-8ad9b6cd9728

Result

Threat name:

CHStealer

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1888952

Signature

.NET source code contains potential unpacker

.NET source code contains process injector

.NET source code contains very large array initializations

.NET source code references suspicious native API functions

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

Injects a PE file into a foreign processes

Joe Sandbox ML detected suspicious sample

Multi AV Scanner detection for submitted file

Suricata IDS alerts for network traffic

Writes to foreign memory regions

Yara detected AntiVM3

Yara detected CHStealer

Yara detected Generic Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

90%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a0c4488b50fdd493a8652f2b5a89b7afaf0f7ea09021719d257aeeb0ed53e1e2

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a0c4488b50fdd493a8652f2b5a89b7afaf0f7ea09021719d257aeeb0ed53e1e2/

Verdict:

Malicious

Threat:

Family.CHSTEALER

Link:

https://tip.neiki.dev/file/a0c4488b50fdd493a8652f2b5a89b7afaf0f7ea09021719d257aeeb0ed53e1e2

Threat name:

Win32.Trojan.Egairtigado

Status:

Malicious

First seen:

2026-03-14 15:25:15 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

26 of 36 (72.22%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=udcerc2q7xkjhkdff4vvvcnxv6xq67vasaqxdhjfplxlb3kt4hra._file

Result

Malware family:

chstealer

Score:

10/10

Tags:

family:chstealer discovery stealer

Link:

https://tria.ge/reports/260325-r8bz7sht5k/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Looks up external IP address via web service

Checks computer location settings

CHStealer

Chstealer family

Detects CHStealer payload

Unpacked files

SH256 hash:

a0c4488b50fdd493a8652f2b5a89b7afaf0f7ea09021719d257aeeb0ed53e1e2

MD5 hash:

9a0cd6042769c51fc007f30c5da6d407

SHA1 hash:

2a02afecfaf1b77dc8f7327104c867ab2c9fd123

Link:

https://www.unpac.me/results/76aa558f-74c7-48d0-964c-f847fa83d50a/

SH256 hash:

738cb8fd1a1f8058711185c2502a0583c0ecdeb947673535e4d866889da29f39

MD5 hash:

3c99dd9f8a8f8e218ffc8125b5f946ae

SHA1 hash:

eb4df83a07903d151a277409f6397f86386615a2

Detections:

INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs

Link:

https://www.unpac.me/results/76aa558f-74c7-48d0-964c-f847fa83d50a/

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/a0c4488b50fdd493a8652f2b5a89b7afaf0f7ea09021719d257aeeb0ed53e1e2

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:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

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

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

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:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

Rule name:	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs Create hunting rule
Author:	ditekSHen
Description:	Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

Rule name:	Macos_Infostealer_Wallets_8e469ea0 Create hunting rule
Author:	Elastic Security

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

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

Rule name:	pe_imphash Create hunting rule

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

Rule name:	telebot_framework Create hunting rule
Author:	vietdx.mb

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

Rule name:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

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

08be2310cc958111f576e54459aeb8bf5f39bba020d74de6f766295e01c75b09

CHStealer

exe a0c4488b50fdd493a8652f2b5a89b7afaf0f7ea09021719d257aeeb0ed53e1e2

(this sample)

Link

https://tria.ge/260325-ryrmxabw8x/behavioral2

Dropped by

LummaStealer

Dropped by

SHA256 08be2310cc958111f576e54459aeb8bf5f39bba020d74de6f766295e01c75b09

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/59267/

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