MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 99816cd2de501f26cb3227491cf3bf407fba47ed12f8b925a993d7c822b031ae. 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
RemcosRAT
Vendor detections: 17
| SHA256 hash: | 99816cd2de501f26cb3227491cf3bf407fba47ed12f8b925a993d7c822b031ae |
|---|---|
| SHA3-384 hash: | 611b22d1a68d2de89833fda1673419d720429e7db3bffac8364346fa6290c1ec34e95ef84647ef7e84ed786f0708a33f |
| SHA1 hash: | 5a626e2c3df90014ff37764bfe2e5a51cad205b3 |
| MD5 hash: | 3baf9ad525f5caa5d07dcb14c563abb4 |
| humanhash: | bakerloo-may-bluebird-cola |
| File name: | Shipping-Document -Pdf.bat |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 945'152 bytes |
| First seen: | 2025-06-30 16:51:13 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 24576:XPjuby9UtLFY8x1yBn35mbbWgynqAR0445WtjbK2:XPKby9UtLi8Y3fyVWtb |
| Threatray | 1'136 similar samples on MalwareBazaar |
| TLSH | T14C151326B61AE403E46A1BF90E51D17483794DCEE921E3978FD97CEB30E27112B81B47 |
| 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 |
| Reporter |  threatcat_ch |
| Tags: | exe RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
538
Origin country :
CHVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
Shipping-Document -Pdf.bat
Verdict:
Malicious activity
Analysis date:
2025-06-30 16:55:53 UTC
Tags:
remcos rat auto-sch-xml netreactor auto-reg remote stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Verdict:
Malicious
Score:
96.5%
Tags:
shell virus sage
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating 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
Restart of the analyzed sample
Creating a file
Launching cmd.exe command interpreter
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Blocking the User Account Control
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
packed packed packer_detected vbnet
Verdict:
Malicious
Labled as:
Genie.8DN.Generic
Verdict:
Unknown
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable PE (Portable Executable) Win 32 Exe x86
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2025-06-30 08:16:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 36 (52.78%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
unc_loader_037
remcos
Similar samples:
+ 1'126 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost collection defense_evasion discovery execution persistence rat trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Modifies registry key
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Program Files directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
UAC bypass
Malware Config
C2 Extraction:
45.88.186.30:2404
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
99816cd2de501f26cb3227491cf3bf407fba47ed12f8b925a993d7c822b031ae
MD5 hash:
3baf9ad525f5caa5d07dcb14c563abb4
SHA1 hash:
5a626e2c3df90014ff37764bfe2e5a51cad205b3
SH256 hash:
19bb7984811af5c7b837a18a3bbd096724c47a0e2885eadb9ff1a8933757718a
MD5 hash:
b60bff775d77b9e9af6f9a7ae5947d98
SHA1 hash:
11c716371d54786c1d4ab5688ab69a71cc5201ca
SH256 hash:
8c32d8c52abf0222f922e914a679af80fa57aa169474db445c0b5ef5bfe87625
MD5 hash:
d407a776c8e87c9c289f34dc4c0a5e23
SHA1 hash:
1a85a23894bdce7e08aea39bd1db21e4a8dfc089
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
dff568003cd80fee590b5c37627bf5bc1ffb1909bd153f42049b2083b042253c
MD5 hash:
3e8e6aa32f74a0e4ff2f40a79b0d1d61
SHA1 hash:
df1aad6a6f20d416d664576baf9cfe5b041ac3f6
Detections:
win_remcos_w0
win_remcos_auto
Remcos
malware_windows_remcos_rat
win_remcos_rat_unpacked
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Malware family:
Remcos
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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 (HIGH_ENTROPY_VA) | high |
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