MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de97f8f7c987f236ffc128a0cce9a455f29192596032a0754eb62ec21481bfa8. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: de97f8f7c987f236ffc128a0cce9a455f29192596032a0754eb62ec21481bfa8
SHA3-384 hash: 6e8072744bf9a0af6be6f85b43e72e35fdd35b4d3a0f247beac2ac5f193a34bc09b257288dbaaba0363433c5d56b28f6
SHA1 hash: 8a50453af87ba778807ff3cb4cdde9bb8e91c2ef
MD5 hash: 79a4567676ce0b60ce12a6ab3e6698bf
humanhash: social-illinois-dakota-music
File name:79a4567676ce0b60ce12a6ab3e6698bf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'850'144 bytes
First seen:2022-10-06 11:34:59 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 12288:OnjohpE3Oz5RNG1zEuHf02evN24nWZQzjFeM6DJOjB9sTTHykDEYqzT5e1O+3tOa:d4zm2evTnYQb6VO6ET50sDjSE3O
TLSH T1B4857CF490AB08E6E80B6EC05D7C7DE6467175F3CDD80920237DFA048FABD695A0C95A
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
232
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/317281/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Creating a window
DNS request
Creating a file in the %temp% subdirectories
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed packed
Link:
https://www.filescan.io/uploads/633ebd6b78d4acb349f4e543/reports/935e6d61-85d0-45d8-a3f3-1f4a40a684d9/overview
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d44032c9-7a22-4df3-b651-8bde66d26dcc
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1084879
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Hides threads from debuggers
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Very long command line found
Writes many files with high entropy
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 717433 Sample: kJoDqmpElg.exe Startdate: 06/10/2022 Architecture: WINDOWS Score: 100 59 xmr.2miners.com 2->59 61 cdn.discordapp.com 2->61 75 Malicious sample detected (through community Yara rule) 2->75 77 Antivirus detection for dropped file 2->77 79 Multi AV Scanner detection for dropped file 2->79 81 9 other signatures 2->81 10 kJoDqmpElg.exe 1 2->10         started        14 unzip.exe 1 2->14         started        16 unzip.exe 1 2->16         started        18 2 other processes 2->18 signatures3 process4 file5 55 C:\Users\user\AppData\...\kJoDqmpElg.exe.log, ASCII 10->55 dropped 87 Writes to foreign memory regions 10->87 89 Injects a PE file into a foreign processes 10->89 20 InstallUtil.exe 2 68 10->20         started        91 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 14->91 25 conhost.exe 14->25         started        57 C:\ProgramDatabehaviorgraphooglebehaviorgraphoogleUpdate.exe, PE32 16->57 dropped 27 conhost.exe 16->27         started        29 conhost.exe 18->29         started        31 conhost.exe 18->31         started        signatures6 process7 dnsIp8 63 minecraftrpgserver.com 185.252.178.88, 49702, 49703, 80 LVLT-10753US Germany 20->63 65 geoplugin.net 178.237.33.50, 49704, 80 ATOM86-ASATOM86NL Netherlands 20->65 47 C:\Users\user\AppData\...\InstallUtil.exe, PE32 20->47 dropped 49 C:\Users\user\...\time_20221012_094405.dat, data 20->49 dropped 51 C:\Users\user\...\time_20221012_084405.dat, data 20->51 dropped 53 139 other malicious files 20->53 dropped 83 Writes many files with high entropy 20->83 85 Installs a global keyboard hook 20->85 33 InstallUtil.exe 6 20->33         started        file9 signatures10 process11 file12 43 C:\ProgramDatabehaviorgraphoogle\unzip.exe, PE32 33->43 dropped 45 C:\ProgramDatabehaviorgraphoogle\InstallUtil.exe, PE32+ 33->45 dropped 67 Antivirus detection for dropped file 33->67 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 33->69 71 Query firmware table information (likely to detect VMs) 33->71 73 3 other signatures 33->73 37 cmd.exe 1 33->37         started        signatures13 process14 process15 39 choice.exe 1 37->39         started        41 conhost.exe 37->41         started       
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/de97f8f7c987f236ffc128a0cce9a455f29192596032a0754eb62ec21481bfa8/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-10-05 22:57:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
18 of 40 (45.00%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=32l7r56jq7zdn76bfcqmz2nekxzjdeszmazka5kowyxmefebx6ua._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:remcos family:xmrig botnet:220928 miner rat upx
Link:
https://tria.ge/reports/221006-np187shdgq/
Behaviour
Creates scheduled task(s)
Kills process with taskkill
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
UPX packed file
XMRig Miner payload
Remcos
Suspicious use of NtCreateUserProcessOtherParentProcess
xmrig
Malware Config
C2 Extraction:
minecraftrpgserver.com:80
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/adb1b0ea-6a1f-4b26-8bf1-2b74f73258a2
Unpacked files
SH256 hash:
9992557a21003b49b97fc56e18b5223a4b61006b15a5a6a4a2c97673a9e49efc
MD5 hash:
219dc9b3599b7541d7ae5b89ee02cf47
SHA1 hash:
c099e250e8369502514fc94d7bc6d11a8fa33467
Link:
https://www.unpac.me/results/a09febca-cfa5-4c80-a5c0-1014d76a6250/
SH256 hash:
d24221d85b8cb663ac8f67bd825e8c4ba3415589926ab2f435982c30dedf6c85
MD5 hash:
ccbfdde1f7d95daf48fe9ddd99fa48b8
SHA1 hash:
7971e58731a73ede2a406df4ccc33c9c6249cec3
Link:
https://www.unpac.me/results/a09febca-cfa5-4c80-a5c0-1014d76a6250/
SH256 hash:
5533ae83a1783618075884febd0d4eb6e3782bfbb47d8d376012ad41091ae703
MD5 hash:
06023dcae77296b3c86fb25e7c6a97ee
SHA1 hash:
776a04bf9bd169590d61137ec10cbee460e4a543
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/a09febca-cfa5-4c80-a5c0-1014d76a6250/
Parent samples :
de97f8f7c987f236ffc128a0cce9a455f29192596032a0754eb62ec21481bfa8
787c4d531c961df4851c6ad6410cd9aaa4d7de8f40e7a288b95878bb807ef7d8
efd4213633c65b490245864feb69279cbdb09add9b70e22e18c183bb0f477cc1
873d0e41e7f6ea921fb007a0a00426cc119ab68ce5f75d1d84cea08381d00163
SH256 hash:
de97f8f7c987f236ffc128a0cce9a455f29192596032a0754eb62ec21481bfa8
MD5 hash:
79a4567676ce0b60ce12a6ab3e6698bf
SHA1 hash:
8a50453af87ba778807ff3cb4cdde9bb8e91c2ef
Link:
https://www.unpac.me/results/a09febca-cfa5-4c80-a5c0-1014d76a6250/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/de97f8f7c987/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/de97f8f7c987f236ffc128a0cce9a455f29192596032a0754eb62ec21481bfa8

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

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

Web download

RemcosRAT

Executable exe de97f8f7c987f236ffc128a0cce9a455f29192596032a0754eb62ec21481bfa8

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/317281/
  
URLhaus
https://urlhaus.abuse.ch/url/2276802/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2276782/

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