MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a721d6ad75d5a0f8f2599c661aaca62508771f4bba84e93f8401d39470c0432. 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


Intelligence 17 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1a721d6ad75d5a0f8f2599c661aaca62508771f4bba84e93f8401d39470c0432
SHA3-384 hash: 430de9050381bffa059619670e18d7a56503681e4879a6991c353ad9eb09d1aee1768e256979c3278686ffcbdb0982dd
SHA1 hash: b7ef9449b71a1f9a8e0375bea72db4b711aa65ba
MD5 hash: b495d4e3aaee4e4b486bd0b4e2699558
humanhash: saturn-music-nineteen-triple
File name:1a721d6ad75d5a0f8f2599c661aaca62508771f4bba84e93f8401d39470c0432
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'355'264 bytes
First seen:2025-09-05 13:30:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:5IgPyC/bD/CnRveYepqMKDmfC4KOSSn2k6N+:51Dz+RveYkqM3fC41p2t
TLSH T131555B9963D5B914C03F3B7177A8B06483F2E9DBAA61C20F0DC465DF77626412B836B2
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 adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
87
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1a721d6ad75d5a0f8f2599c661aaca62508771f4bba84e93f8401d39470c0432
Verdict:
Malicious activity
Analysis date:
2025-09-05 23:06:34 UTC
Tags:
httpdebugger tool auto-reg
Link:
https://app.any.run/tasks/fcabe4a5-770e-42e5-ab5f-c6f461e7ae1a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/25767/
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68bae66feb163e0ec1848adf
Tags:
virus msil remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Restart of the analyzed sample
Creating a file
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
keylogger obfuscated obfuscated obfuscated snake vbnet
Link:
https://www.filescan.io/uploads/68bafad820d0ee406d96d37e/reports/282f07dc-edb1-459e-9788-3e7a653ec94e/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8
Link:
https://www.hybrid-analysis.com/sample/1a721d6ad75d5a0f8f2599c661aaca62508771f4bba84e93f8401d39470c0432
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.
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-27T08:30:00Z UTC
Last seen:
2025-08-27T08:30:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/1a721d6ad75d5a0f8f2599c661aaca62508771f4bba84e93f8401d39470c0432/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/37cebac7-4a6c-4b6e-9993-624c6ab3eaae
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1a721d6ad75d5a0f8f2599c661aaca62508771f4bba84e93f8401d39470c0432
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1a721d6ad75d5a0f8f2599c661aaca62508771f4bba84e93f8401d39470c0432/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Suspicious
First seen:
2025-08-31 17:29:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
50
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=djzb22wxlvna7dzfthdgdkwkmjiio4puxoue5e7yiaotsrymaqza._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:darktortilla family:remcos botnet:c b r crypter discovery loader persistence rat
Link:
https://tria.ge/reports/250905-sanf1scl9s/
Behaviour
Modifies registry class
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
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Darktortilla
Darktortilla family
Detects Darktortilla crypter.
Remcos
Remcos family
Malware Config
C2 Extraction:
cbzr-98pq1.ydns.eu:2404
wqo9.firewall-gateway.de:4045
code1.ydns.eu:9302
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e33066a9-0054-456d-bc7d-1dd602fb1a9b
Unpacked files
SH256 hash:
1a721d6ad75d5a0f8f2599c661aaca62508771f4bba84e93f8401d39470c0432
MD5 hash:
b495d4e3aaee4e4b486bd0b4e2699558
SHA1 hash:
b7ef9449b71a1f9a8e0375bea72db4b711aa65ba
Link:
https://www.unpac.me/results/d2242267-6353-4e74-a527-145a89cdf709/
SH256 hash:
003ddf8ddfc7afbc21df8ab9dd223df737b6ec66d1ff65ffc8d1f54a43ae7a2c
MD5 hash:
d344219cdf67ca2902224dfaa2e98224
SHA1 hash:
10a96c279c505812124da69fee75b18cceb9e64d
Link:
https://www.unpac.me/results/d2242267-6353-4e74-a527-145a89cdf709/
SH256 hash:
415e0c65ed2c39e1d831cf8b07c07bde44bff073b72b05a8fe4a1141850e6947
MD5 hash:
48053311ab5e0d44d4f056dcc0799695
SHA1 hash:
7a27e76625f53e4a422c589a40ee5003bc36cb21
Detections:
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
Remcos
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Link:
https://www.unpac.me/results/d2242267-6353-4e74-a527-145a89cdf709/
Parent samples :
4a9f2f65791e8bd5f4ba4cac2484577ae8eeb093fd143c1a9e9db88de7b09d7f
89be0060e88e37f5b5c3736fff092b5cd6e89eea26c6b4438e8932e7925a4837
1a721d6ad75d5a0f8f2599c661aaca62508771f4bba84e93f8401d39470c0432
64c2eb337d6f52f74f77b541d8a915a90ae5bd2cbda6a9497d7a2f026a64f152
SH256 hash:
da4cb91d96214c7134a9e8799fdf241bd6b8103eecd4efb1b8c228ca3c8e7e91
MD5 hash:
9a06e083cd0531927dcd616b9b601ffa
SHA1 hash:
9584f7e1c8ab7be5900762abcaedf20cb92e4ae7
Link:
https://www.unpac.me/results/d2242267-6353-4e74-a527-145a89cdf709/
SH256 hash:
2cb5b8fbcd0994c8371837858c1f6dfe8e0de017e86437c7aee38d710209f10a
MD5 hash:
4f5880d558000b383fbb6efb21100997
SHA1 hash:
d2ceb9140d797b0f4db46a0a02c274e4fe89f349
Link:
https://www.unpac.me/results/d2242267-6353-4e74-a527-145a89cdf709/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1a721d6ad75d5a0f8f2599c661aaca62508771f4bba84e93f8401d39470c0432

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:NET
Create hunting rule
Author:malware-lu
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
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/25767/

Comments