MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2891eb92915f0fa16239cccee58f3c1ec0d15826d971c69008cd10efe9754430. 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



XWorm


Vendor detections: 15


Intelligence 15 IOCs YARA 9 File information Comments

SHA256 hash: 2891eb92915f0fa16239cccee58f3c1ec0d15826d971c69008cd10efe9754430
SHA3-384 hash: 4aae67d6a004c7cc49304939ab5fa38cc24499588a07af5cbcb3ffe594b133f16af48b55ca03fcb69dc046609ccc47ce
SHA1 hash: 3e4671a7f6dfa6edbed7b0387f21a8dd1d2c2b4e
MD5 hash: 1140994e2bc5e67c9f8c161891554f93
humanhash: nuts-bakerloo-monkey-spring
File name:setup.exe
Download: download sample
Signature XWorm
File size:120'320 bytes
First seen:2024-08-02 15:10:34 UTC
Last seen:2024-08-02 15:34:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'003 x AgentTesla, 19'911 x Formbook, 12'332 x SnakeKeylogger)
ssdeep 3072:c+xdoG1Pdw7jzs+xBWkDmZqzn+akTmY9oH:Nd7PwjIkIkiZqzn+akTmYC
TLSH T129C3419C726072EFC86BD472DEA81CA4FA5474BB931B4253902716ADDE0D897DF240F2
TrID 28.5% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4504/4/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter Chainskilabs
Tags:exe xworm

Intelligence


File Origin
# of uploads :
2
# of downloads :
365
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2024-08-02 15:12:51 UTC
Tags:
xworm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Execution Network Stealth Trojan Heur
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file
Launching a process
Creating a process with a hidden window
Creating a window
Connection attempt to an infection source
Creating a process from a recently created file
Query of malicious DNS domain
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed vbnet
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Sample uses string decryption to hide its real strings
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1486898 Sample: setup.exe Startdate: 02/08/2024 Architecture: WINDOWS Score: 100 53 follow-preferred.gl.at.ply.gg 2->53 55 fp2e7a.wpc.phicdn.net 2->55 57 2 other IPs or domains 2->57 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 12 other signatures 2->67 8 setup.exe 3 2->8         started        12 setup.exe 1 2->12         started        14 setup.exe 1 2->14         started        16 2 other processes 2->16 signatures3 process4 file5 49 C:\ProgramData\setup.exe, PE32 8->49 dropped 51 C:\Users\user\AppData\Local\...\setup.exe.log, CSV 8->51 dropped 69 Detected unpacking (changes PE section rights) 8->69 71 Uses schtasks.exe or at.exe to add and modify task schedules 8->71 73 Writes to foreign memory regions 8->73 75 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->75 18 MSBuild.exe 2 8->18         started        21 schtasks.exe 1 8->21         started        77 Multi AV Scanner detection for dropped file 12->77 79 Machine Learning detection for dropped file 12->79 81 Allocates memory in foreign processes 12->81 23 schtasks.exe 1 12->23         started        25 MSBuild.exe 1 12->25         started        83 Injects a PE file into a foreign processes 14->83 27 schtasks.exe 1 14->27         started        29 MSBuild.exe 14->29         started        31 schtasks.exe 16->31         started        33 schtasks.exe 16->33         started        35 2 other processes 16->35 signatures6 process7 dnsIp8 59 follow-preferred.gl.at.ply.gg 147.185.221.17, 49704, 49712, 49713 SALSGIVERUS United States 18->59 37 WerFault.exe 18->37         started        39 conhost.exe 21->39         started        41 conhost.exe 23->41         started        43 conhost.exe 27->43         started        45 conhost.exe 31->45         started        47 conhost.exe 33->47         started        process9
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-08-01 08:38:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:xworm discovery rat trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
follow-preferred.gl.at.ply.gg:60234
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
2891eb92915f0fa16239cccee58f3c1ec0d15826d971c69008cd10efe9754430
MD5 hash:
1140994e2bc5e67c9f8c161891554f93
SHA1 hash:
3e4671a7f6dfa6edbed7b0387f21a8dd1d2c2b4e
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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