MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ef15bcd04575aab9e73848081c3926925a3e7ff7c1e9d8b441bee076c9d81578. 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
AgentTesla
Vendor detections: 14
| SHA256 hash: | ef15bcd04575aab9e73848081c3926925a3e7ff7c1e9d8b441bee076c9d81578 |
|---|---|
| SHA3-384 hash: | ce5833b0d0c25ac9e645572e736eb316ce4fea67d6b2a5ef0000ec33f19511cdb7dc9d79013a7b38cc8d1fac3f699aee |
| SHA1 hash: | 6bcd9a0c584d57d78beffba7a62a01db290cd6e2 |
| MD5 hash: | ebf8a4b75aff674689aee8ab5c6c259a |
| humanhash: | quebec-autumn-oscar-beryllium |
| File name: | RankupServicecleaner.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 2'028'032 bytes |
| First seen: | 2026-01-19 21:03:16 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 88f70fb82598484a7ce88eef6418418b (27 x AsyncRAT, 13 x AgentTesla, 4 x XWorm) |
| ssdeep | 24576:6Hf84r7YFz75ELy9vS9/aOHR+SfEstbokJMxqavDzWLyvt487diDxHp+0:E8a7anKy1S9/aOHRnMUod1vDSLyh7 |
| Threatray | 171 similar samples on MalwareBazaar |
| TLSH | T1DD95C07BB122CB6CD0CAC5B824E396F21D307E141AB6524616CE1B5F2EB3D502D5E98F |
| TrID | 59.6% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9) 15.0% (.EXE) Win64 Executable (generic) (10522/11/4) 7.2% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.4% (.EXE) Win32 Executable (generic) (4504/4/1) 2.9% (.ICL) Windows Icons Library (generic) (2059/9) |
| Magika | pebin |
| Reporter |  burger |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
103
Origin country :
USVendor Threat Intelligence
Malware configuration found for:
PEPacker
Details
Malware family:
n/a
ID:
1
File name:
RankupServiceFreeCleaner.lnk
Verdict:
Malicious activity
Analysis date:
2026-01-19 21:01:04 UTC
Tags:
susp-lnk devtunnel rmm-tool loader anti-evasion
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.9%
Tags:
vmdetect emotet
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm anti-vm bitsadmin dllhost evasive fingerprint lolbin obfuscated packed packed regsvr32 replace
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Verdict:
Clean
File Type:
exe x64
First seen:
2026-01-18T08:23:00Z UTC
Last seen:
2026-01-19T22:55:00Z UTC
Hits:
~10
Malware family:
Lenovo
Verdict:
Unknown
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
96 / 100
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Found direct / indirect Syscall (likely to bypass EDR)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queries sensitive service information (via WMI, WIN32_SERVICE, often done to detect sandboxes)
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
7 match(es)
Tags:
.Net Executable PE (Portable Executable) PE Memory-Mapped (Dump)
Verdict:
Malicious
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 161 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
9/10
Tags:
defense_evasion
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Looks for VMWare Tools registry key
Looks for VMWare services registry key.
Enumerates VirtualBox registry keys
Looks for VirtualBox Guest Additions in registry
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
ef15bcd04575aab9e73848081c3926925a3e7ff7c1e9d8b441bee076c9d81578
MD5 hash:
ebf8a4b75aff674689aee8ab5c6c259a
SHA1 hash:
6bcd9a0c584d57d78beffba7a62a01db290cd6e2
SH256 hash:
48c659c4f9f4309baae1f396c8138ea27e3034a51f06b4434f0eae9d70e3fbbe
MD5 hash:
93ed463d710e91cd7124fe51a102d095
SHA1 hash:
95aaf345290c6a6187104eebad72e653345047ae
SH256 hash:
95349cbb0ce9bd2bb939c04e611750eca5d1ac1b8baa53641c28c147a59dc725
MD5 hash:
95b2c0f892fe4c15ac1d4929bcb54df1
SHA1 hash:
b13abc14da4b7f1c0a8f5aacd98f0c6fb18873fd
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: | Check_VBox_Guest_Additions |
|---|
| Rule name: | Check_VmTools |
|---|
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| 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: | detect_powershell |
|---|---|
| Author: | daniyyell |
| Description: | Detects suspicious PowerShell activity related to malware execution |
| Rule name: | Detect_PowerShell_Obfuscation |
|---|---|
| Author: | daniyyell |
| Description: | Detects obfuscated PowerShell commands commonly used in malicious scripts. |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | INDICATOR_EXE_Packed_Enigma |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with Enigma |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_detect_tls_callbacks |
|---|
| 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: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | TH_Generic_MassHunt_Win_Malware_2025_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Generic Windows malware mass-hunt rule - 2025 |
| Reference: | https://cyfare.net/ |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
lnk 
Delivery method
Distributed via web download
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