MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b834aabcb8d11c7683b556b03aa07c16ee5e9f6fb1fffac56574f3b10edf7581. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b834aabcb8d11c7683b556b03aa07c16ee5e9f6fb1fffac56574f3b10edf7581
SHA3-384 hash: fd341bf8e0a689f8be046920a9d73124e7507d21205052eaa02d70fe703d82bf6dfaf4caa16c007d37a1cf6d83815cbf
SHA1 hash: 29563d3f14cb56c393329697d9f6aa64c445f62d
MD5 hash: 9948ba372743e89884559f3059f58282
humanhash: network-cardinal-delaware-lamp
File name:b834aabcb8d11c7683b556b03aa07c16ee5e9f6fb1fffac56574f3b10edf7581
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:993'792 bytes
First seen:2025-10-10 06:39:27 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 24576:dvLo5AId/gW/uiaSP/hE2jnNHWitMNKB5y6ymqZ:RL8AIdybg/hE2jnN2LAn8m
Threatray 1'556 similar samples on MalwareBazaar
TLSH T13025122D222EEB13D8B64FF00CB0D3B413B8AC996502D2574EE73DDFB4257916968693
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 :
67
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
b834aabcb8d11c7683b556b03aa07c16ee5e9f6fb1fffac56574f3b10edf7581
Verdict:
Malicious activity
Analysis date:
2025-10-10 08:59:42 UTC
Tags:
rat remcos auto-sch-xml
Link:
https://app.any.run/tasks/d925253d-af7a-466a-9708-ebe1c23d46a1

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/32110/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e8ab2c8b7b147cc4b68baf
Tags:
shell virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
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
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/68e8b35b4f3013c55e493fe7/reports/3ddff639-0492-4b35-96aa-fece1fffc232/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b834aabcb8d11c7683b556b03aa07c16ee5e9f6fb1fffac56574f3b10edf7581
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-16T04:09:00Z UTC
Last seen:
2025-10-11T08:21:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/b834aabcb8d11c7683b556b03aa07c16ee5e9f6fb1fffac56574f3b10edf7581/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5d1eed3c-f09c-43f9-af3a-83198cea2420
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b834aabcb8d11c7683b556b03aa07c16ee5e9f6fb1fffac56574f3b10edf7581
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b834aabcb8d11c7683b556b03aa07c16ee5e9f6fb1fffac56574f3b10edf7581/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2025-09-16 11:43:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xa2kvpfy2eohna5vk2ydvid4c3xf5h3pwh77vrlfotz3cdw7owaq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
unc_loader_078
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
3543cabb8f07c2ca336999986b1889540db647c250dcf26db025f5d1139ec5e4
RemcosRAT
3af27ba9b5341f23c78d7f67b51497b4ccc51adfdadf059d42182ca887298e17
RemcosRAT
63a69e11aa736dccc7f23c50bc99831cb96b5ae51c59b84a144b974a4002905a
RemcosRAT
bc5a89a640ea4d0d41d23356a6cf8d7758846804de44d9bb51ed72b24987115c
RemcosRAT
error
RemcosRAT
+ 1'546 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos discovery execution persistence rat
Link:
https://tria.ge/reports/251010-h396da1qy6/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
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
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
185.232.21.42:2473
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cffe17a0-a2f3-41a8-bf58-a50e77fe4d3f
Unpacked files
SH256 hash:
b834aabcb8d11c7683b556b03aa07c16ee5e9f6fb1fffac56574f3b10edf7581
MD5 hash:
9948ba372743e89884559f3059f58282
SHA1 hash:
29563d3f14cb56c393329697d9f6aa64c445f62d
Link:
https://www.unpac.me/results/b86e6d16-5aa4-473c-8738-2aee96018f40/
SH256 hash:
299f01620338c3e4dfb9781265e6b3a67d671c9d43f918de3b82e28b0833045e
MD5 hash:
b698eb6d42ac04e38d1210eed4c6fa74
SHA1 hash:
3c239df1d443d73d8cc3d9a4ddb26988e7493df4
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_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/b86e6d16-5aa4-473c-8738-2aee96018f40/
Parent samples :
32fdbbbe5e6434f234aa44de6eed9be6606842854e98b841d65b9bb36dcc0ba2
0e8a65014a105a1bde2ea8dae1807fdc3af1ea7eb4eb9d826f4324dea761c940
63a69e11aa736dccc7f23c50bc99831cb96b5ae51c59b84a144b974a4002905a
dc525ff2c6684650c58def96f89d3e372f3d7082e36e41fdf1acf6a530236d97
aa7130af56cb7b9d0cc21651e5032fd8a0a002222e1338f7c05a54437fa023b3
b834aabcb8d11c7683b556b03aa07c16ee5e9f6fb1fffac56574f3b10edf7581
ab3b3296f0c1362788a03e256a24c7e6a38661c484cca9d281bf929521dd7c68
SH256 hash:
b2ac00d97c373c7efe7b9a54ce8b9f8b317ef919f29c45e3cdcfac3545674800
MD5 hash:
3d4e92fe67d6c1780f213fd51c36df1f
SHA1 hash:
8285892de43aa6bf4fd6bb52d05c937095c7b1be
Link:
https://www.unpac.me/results/b86e6d16-5aa4-473c-8738-2aee96018f40/
SH256 hash:
4e3680ddaf8c6af6a96ba5d50fa4de1a850326b5ec060e6d4e49759adbb8b9c5
MD5 hash:
2557ceec378b5e1166e9b3ef8f95822a
SHA1 hash:
fc9f779581180132182437874e58fab67b3e31a6
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/b86e6d16-5aa4-473c-8738-2aee96018f40/
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/b834aabcb8d11c7683b556b03aa07c16ee5e9f6fb1fffac56574f3b10edf7581

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
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

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/32110/

Comments