MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac8734f52d12c32450bd49a97fc803c730e4f03b89698bb49e9db473c7730400. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
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SHA256 hash: ac8734f52d12c32450bd49a97fc803c730e4f03b89698bb49e9db473c7730400
SHA3-384 hash: 3c48655df4592f8fc1e8321bd62117a2c6cbcaaca67a689fbaefde31f4a550a8e389979736e7c45eb9cb268ce6fda243
SHA1 hash: 9faa34aff1e704b593b308ca516777343b497369
MD5 hash: 68cb20861106daca8c5a347b8b4fac1b
humanhash: delta-low-saturn-lactose
File name:SecuriteInfo.com.Trojan.MulDrop20.16243.24393.7295
Download: download sample
Signature Formbook
Create hunting rule
File size:205'312 bytes
First seen:2024-07-06 10:18:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 3072:uO2MN1EALtYwx4XqLqejJ3uW4biLseLQGfFJgcmodkUkJp9nK2jJWe96YTgWa:uIN1EAr4SeBid/eedEKMJWe96Yz
TLSH T154141361B3F593A7C94B4FB20491BF560367E604807CA6EB20701929BE63DD8A5FF721
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
418
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ac8734f52d12c32450bd49a97fc803c730e4f03b89698bb49e9db473c7730400.exe
Verdict:
Malicious activity
Analysis date:
2024-07-06 10:19:32 UTC
Tags:
evasion xworm
Link:
https://app.any.run/tasks/464fdddb-bf9c-426b-ac22-b04ddba52bb7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.MulDrop20.16243.24393.7295.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66891b523b2ddaaafa4987bfwin10vpnfull_triage
Tags:
Execution Network Stealth Trojan Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a file in the Windows subdirectories
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a process with a hidden window
Creating a window
Creating a file in the system32 subdirectories
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Enabling autorun by creating a file
Using obfuscated Powershell scripts
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed vbnet
Link:
https://www.filescan.io/uploads/66891a196be3b3c7c2354cbe/reports/ab78ab8a-7bb9-4b8e-8a09-55f6718836f9/overview
Verdict:
Malicious
Labled as:
MSIL.Packy.Generic
Link:
https://www.hybrid-analysis.com/sample/ac8734f52d12c32450bd49a97fc803c730e4f03b89698bb49e9db473c7730400
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.
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/61cf9f27-f7aa-4f75-abf3-1954e22c2364
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1468514
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains process injector
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Connects to many ports of the same IP (likely port scanning)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to compare user and computer (likely to detect sandboxes)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Hooks files or directories query functions (used to hide files and directories)
Hooks processes query functions (used to hide processes)
Hooks registry keys query functions (used to hide registry keys)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Installs new ROOT certificates
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Protects its processes via BreakOnTermination flag
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Potential WinAPI Calls Via CommandLine
Sigma detected: Schedule system process
Snort IDS alert for network traffic
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Very long command line found
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1468514 Sample: SecuriteInfo.com.Trojan.Mul... Startdate: 06/07/2024 Architecture: WINDOWS Score: 100 52 ip-api.com 2->52 54 edition-eat.gl.at.ply.gg 2->54 70 Snort IDS alert for network traffic 2->70 72 Multi AV Scanner detection for domain / URL 2->72 74 Found malware configuration 2->74 76 25 other signatures 2->76 9 SecuriteInfo.com.Trojan.MulDrop20.16243.24393.7295.exe 4 2->9         started        13 powershell.exe 2 15 2->13         started        15 x4svchost.exe 1 2->15         started        17 x4svchost.exe 2->17         started        signatures3 process4 file5 46 C:\Users\user\AppData\Local\Temp\x4r.exe, PE32 9->46 dropped 48 C:\Users\user\AppData\...\x4Shellcode.exe, PE32 9->48 dropped 50 SecuriteInfo.com.T....24393.7295.exe.log, CSV 9->50 dropped 96 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->96 19 x4r.exe 15 5 9->19         started        24 x4Shellcode.exe 1 9->24         started        98 Writes to foreign memory regions 13->98 100 Modifies the context of a thread in another process (thread injection) 13->100 102 Found suspicious powershell code related to unpacking or dynamic code loading 13->102 104 Injects a PE file into a foreign processes 13->104 26 dllhost.exe 1 13->26         started        28 conhost.exe 13->28         started        106 Antivirus detection for dropped file 15->106 108 Multi AV Scanner detection for dropped file 15->108 110 Machine Learning detection for dropped file 15->110 signatures6 process7 dnsIp8 56 ip-api.com 208.95.112.1, 49730, 80 TUT-ASUS United States 19->56 58 edition-eat.gl.at.ply.gg 147.185.221.19, 13576, 49731, 49739 SALSGIVERUS United States 19->58 60 127.0.0.1 unknown unknown 19->60 44 C:\Users\user\AppData\Roaming\x4svchost.exe, PE32 19->44 dropped 78 Antivirus detection for dropped file 19->78 80 Multi AV Scanner detection for dropped file 19->80 82 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 19->82 92 4 other signatures 19->92 30 schtasks.exe 1 19->30         started        84 Machine Learning detection for dropped file 24->84 86 Injects code into the Windows Explorer (explorer.exe) 26->86 88 Contains functionality to inject code into remote processes 26->88 90 Writes to foreign memory regions 26->90 94 3 other signatures 26->94 32 lsass.exe 26->32 injected 35 svchost.exe 26->35 injected 37 svchost.exe 26->37 injected 40 29 other processes 26->40 file9 signatures10 process11 dnsIp12 42 conhost.exe 30->42         started        64 Installs new ROOT certificates 32->64 66 Writes to foreign memory regions 32->66 68 System process connects to network (likely due to code injection or exploit) 35->68 62 edition-eat.gl.at.ply.gg 37->62 signatures13 process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ac8734f52d12c32450bd49a97fc803c730e4f03b89698bb49e9db473c7730400
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ac8734f52d12c32450bd49a97fc803c730e4f03b89698bb49e9db473c7730400/
Threat name:
ByteCode-MSIL.Trojan.XWormRAT
Create hunting rule
Status:
Malicious
First seen:
2024-06-18 00:26:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vsdtj5jnclbsiuf5jgux7sady4yoj4b3rfuyxne6tw2hhr3taqaa._file
Verdict:
malicious
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm evasion persistence rat trojan
Link:
https://tria.ge/reports/240706-mchewswbkm/
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
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
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks BIOS information in registry
Checks computer location settings
Drops startup file
Executes dropped EXE
Detect Xworm Payload
Modifies security service
Suspicious use of NtCreateUserProcessOtherParentProcess
Xworm
Malware Config
C2 Extraction:
127.0.0.1:13576
edition-eat.gl.at.ply.gg:13576
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a94a0514-c8f2-4726-8122-d443f2a051cb
Unpacked files
SH256 hash:
c8139f7fcde9c68cd331bcd438dfea7f02c463c6372dc477ab305da518483db8
MD5 hash:
8a7bee2c8cec6ac50bc42fe03d3231e6
SHA1 hash:
ebc599a15f061a70f6b3ee74b9acfa4e3b4d299d
Link:
https://www.unpac.me/results/c0fbc2aa-d33b-4a33-a1cb-48dd97acc3a7/
SH256 hash:
c70f8a2f09f1cfe10e0b92c215529c6fb0c0e123e5f0a2bfbb921d7f616e729a
MD5 hash:
031e11cc8a01d180b5dc4762ab6e7cc4
SHA1 hash:
a27c80f75cb1ff64c46d54f3992d4add1e51b5e7
Link:
https://www.unpac.me/results/c0fbc2aa-d33b-4a33-a1cb-48dd97acc3a7/
SH256 hash:
51570ef327c9d06ae61fec6cb9bb8c9f528d03ad8178225be24d4acfe1e2636e
MD5 hash:
882d564c52ee7cdf4df5085bfb9bcab3
SHA1 hash:
6048a73b293dd04b94a4c99f85deec3b1f67bc2b
Detections:
MALWARE_Win_XWorm
Create hunting rule
win_mal_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/c0fbc2aa-d33b-4a33-a1cb-48dd97acc3a7/
SH256 hash:
ac8734f52d12c32450bd49a97fc803c730e4f03b89698bb49e9db473c7730400
MD5 hash:
68cb20861106daca8c5a347b8b4fac1b
SHA1 hash:
9faa34aff1e704b593b308ca516777343b497369
Link:
https://www.unpac.me/results/c0fbc2aa-d33b-4a33-a1cb-48dd97acc3a7/
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/ac8734f52d12c32450bd49a97fc803c730e4f03b89698bb49e9db473c7730400

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