MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 137ad8a9d3784ef9ae6429b6fcc3b1e7855a323c848e1d7532cae07c8b727179. 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
AsyncRAT
Vendor detections: 18
| SHA256 hash: | 137ad8a9d3784ef9ae6429b6fcc3b1e7855a323c848e1d7532cae07c8b727179 |
|---|---|
| SHA3-384 hash: | 13aabd0e74a973dafdcbf9d29097c324188c92f75b1aa1285e78ede5d2694c87f8f550a42d67e0152c17ef2ab0ec52b9 |
| SHA1 hash: | bdc8884cb10e4995058bcac8e02dc9582c8c33b4 |
| MD5 hash: | 3ce57ccd293dedf7218e4b34dd080bef |
| humanhash: | alpha-eighteen-princess-muppet |
| File name: | Soa Payment Advice 30.7.2025.PDF.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 903'680 bytes |
| First seen: | 2025-07-30 13:07:08 UTC |
| Last seen: | 2025-07-31 07:02:44 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:Fufu8wTqDfW504VVVUBl8J3PjcgQLPSiYEy7r:FuJdD+504VVVQe3PjcgQ+iXk |
| Threatray | 4'165 similar samples on MalwareBazaar |
| TLSH | T10E15F5E291A508A5D4B31D708822E8373256AC9AD82385598ED7FF5BF5F3ED30C23917 |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10522/11/4) 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) |
| Magika | pebin |
| dhash icon | 8e8f0f0f964d4d2c (4 x Formbook, 3 x AgentTesla, 3 x SnakeKeylogger) |
| Reporter |  James_inthe_box |
| Tags: | AsyncRAT exe |
Intelligence
File Origin
# of uploads :
4
# of downloads :
65
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Soa Payment Advice 30.7.2025.PDF.exe
Verdict:
Malicious activity
Analysis date:
2025-07-30 13:40:24 UTC
Tags:
pastebin remote xworm crypto-regex auto-sch-xml
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XWorm
Verdict:
Malicious
Score:
92.5%
Tags:
keylog micro spawn
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
DNS request
Connection attempt
Sending a custom TCP request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Malware family:
KeyBase
Verdict:
Malicious
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.23 Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.XWORM
Threat name:
Win32.Trojan.DarkCloud
Status:
Malicious
First seen:
2025-07-30 07:12:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
17 of 24 (70.83%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
unc_loader_037
xworm
Similar samples:
+ 4'155 additional samples on MalwareBazaar
Result
Malware family:
xworm
Score:
10/10
Tags:
family:xworm discovery execution persistence rat trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
137ad8a9d3784ef9ae6429b6fcc3b1e7855a323c848e1d7532cae07c8b727179
MD5 hash:
3ce57ccd293dedf7218e4b34dd080bef
SHA1 hash:
bdc8884cb10e4995058bcac8e02dc9582c8c33b4
SH256 hash:
4715c078345771f9402d313e36c2ed5da0aeeebf2fe49f16c1a9cccfdf853b42
MD5 hash:
7191b79d66f49b7aaf39bf139e716515
SHA1 hash:
4ad870322c9daf6f6c5886798856081f108c2808
Detections:
win_xworm_w0
win_xworm_bytestring
win_mal_XWorm
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
MALWARE_Win_AsyncRAT
MALWARE_Win_XWorm
SH256 hash:
278bcb3053256447c4039100b8c18a4170ba869dd7accdcde7ffffe7f6571315
MD5 hash:
11a316f1cd540617b55691c0159c956a
SHA1 hash:
676710df9591ef44a02185f0b07520413dd0f511
SH256 hash:
5b4baabc07fadb5ce36fb9eda41f5d0e056484be0131cf86c7a805a4ef962b37
MD5 hash:
60f4514f6eb76731e1343c4ee4acbce5
SHA1 hash:
78adc4e1117d9ae7ee3e500dffc8d916bab646a9
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
Malware family:
XWorm
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | BlackGuard_Rule |
|---|---|
| Author: | Jiho Kim |
| Description: | Yara rule for BlackGuarad Stealer v1.0 - v3.0 |
| Reference: | https://www.virustotal.com/gui/file/67843d45ba538eca29c63c3259d697f7e2ba84a3da941295b9207cdb01c85b71/detection |
| Rule name: | ByteCode_MSIL_Backdoor_AsyncRAT |
|---|---|
| Author: | ReversingLabs |
| Description: | Yara rule that detects AsyncRAT backdoor. |
| Rule name: | Detect_PowerShell_Obfuscation |
|---|---|
| Author: | daniyyell |
| Description: | Detects obfuscated PowerShell commands commonly used in malicious scripts. |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing bas64 encoded gzip files |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows executables referencing non-Windows User-Agents |
| Rule name: | MALWARE_Win_AsyncRAT |
|---|---|
| Author: | ditekSHen |
| Description: | Detects AsyncRAT |
| Rule name: | MALWARE_Win_XWorm |
|---|---|
| Author: | ditekSHen |
| Description: | Detects XWorm |
| Rule name: | Multifamily_RAT_Detection |
|---|---|
| Author: | Lucas Acha (http://www.lukeacha.com) |
| Description: | Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | Njrat |
|---|---|
| Author: | botherder https://github.com/botherder |
| Description: | Njrat |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | SUSP_DOTNET_PE_List_AV |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detecs .NET Binary that lists installed AVs |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
| Rule name: | Windows_Trojan_XWorm_b7d6eaa8 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_xworm_bytestring |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects bytestring present in unobfuscated xworm |
| Rule name: | win_xworm_w0 |
|---|---|
| Author: | jeFF0Falltrades |
| Description: | Detects win.xworm. |
| Rule name: | xworm |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | xworm_kingrat |
|---|---|
| Author: | jeFF0Falltrades |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
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 |
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