MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08ce43a6cd4945d7c2d6031b465b27103ffb213bff99c5c83a31011b6c89bb13. 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: 13


Intelligence 13 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 08ce43a6cd4945d7c2d6031b465b27103ffb213bff99c5c83a31011b6c89bb13
SHA3-384 hash: d0e286fd0dffb459994bf70dd2e896b97388fb6a5f286b353a0a34ef5309396f34d4a7e94e3609eb917594394be8d042
SHA1 hash: baa25eb6df54810410bf935bc322a11a3ad74edc
MD5 hash: b75ed9ce94f7df5332099d7c299a6344
humanhash: double-chicken-quebec-helium
File name:b75ed9ce94f7df5332099d7c299a6344.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'394'688 bytes
First seen:2021-12-15 09:50:18 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:qrKS0bpDMiIyeuxMCeqV46F7aFPt3pGvi0OxymR7BwG+OB8BCe7:qrKS0bGi1xM9aJ2xtJ33mtB5
TLSH T19455235167F81374D96E83F846365084E33BB823E236DE0E4E9884DE1E93B520956FA7
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b75ed9ce94f7df5332099d7c299a6344.exe
Verdict:
Malicious activity
Analysis date:
2021-12-15 10:03:35 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/0a379c77-ea05-4e72-a294-6bbefe76095a

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/214285/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% directory
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
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61b9ba8981d232372002f3fb/reports/5b974fb1-d8c7-4800-b9ab-2abf29b90f45/overview
Result
Verdict:
UNKNOWN
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/6a36cbb2-f53d-4381-9f11-e398b0b3d184
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/907743
Signature
.NET source code contains potential unpacker
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected Remcos RAT
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Suspicious Svchost Process
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 540237 Sample: 075lycDVcB.exe Startdate: 15/12/2021 Architecture: WINDOWS Score: 100 62 Malicious sample detected (through community Yara rule) 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 Detected Remcos RAT 2->66 68 8 other signatures 2->68 11 075lycDVcB.exe 3 2->11         started        15 winn.exe 2 2->15         started        17 winn.exe 2 2->17         started        process3 file4 52 C:\Users\user\AppData\...\075lycDVcB.exe.log, ASCII 11->52 dropped 72 Contains functionality to steal Chrome passwords or cookies 11->72 74 Contains functionality to inject code into remote processes 11->74 76 Contains functionality to steal Firefox passwords or cookies 11->76 78 Delayed program exit found 11->78 19 075lycDVcB.exe 4 4 11->19         started        22 075lycDVcB.exe 11->22         started        80 Injects a PE file into a foreign processes 15->80 24 winn.exe 15->24         started        26 winn.exe 17->26         started        signatures5 process6 file7 46 C:\Users\user\AppData\Roaming\winn.exe, PE32 19->46 dropped 48 C:\Users\user\...\winn.exe:Zone.Identifier, ASCII 19->48 dropped 50 C:\Users\user\AppData\Local\...\install.vbs, data 19->50 dropped 28 wscript.exe 1 19->28         started        process8 dnsIp9 56 192.168.2.1 unknown unknown 28->56 31 cmd.exe 1 28->31         started        process10 process11 33 winn.exe 3 31->33         started        36 conhost.exe 31->36         started        signatures12 58 Multi AV Scanner detection for dropped file 33->58 60 Injects a PE file into a foreign processes 33->60 38 winn.exe 3 1 33->38         started        42 winn.exe 33->42         started        process13 dnsIp14 54 jamaru1444.myftp.biz 212.193.30.133, 2019, 49751 SPD-NETTR Russian Federation 38->54 70 Installs a global keyboard hook 38->70 44 svchost.exe 38->44         started        signatures15 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/08ce43a6cd4945d7c2d6031b465b27103ffb213bff99c5c83a31011b6c89bb13/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-15 06:10:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bdhehjwnjfc5pqwwamnumwzhca77wij376m4lsb2gearw3ejxmjq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:godsgrace_2022 brand:microsoft persistence phishing rat
Link:
https://tria.ge/reports/211215-lvgqmshcb3/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Detected potential entity reuse from brand microsoft.
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
jamaru1444.myftp.biz:2019
Unpacked files
SH256 hash:
18290f0691549e5bc3e5c6879c5813ecce52fd4beba2989c64850fd813ab4a3c
MD5 hash:
edf5a1aae353e5c13cd98211154c824f
SHA1 hash:
6a1b6be8b8d71540107d79cf05c455d2e713daa4
Link:
https://www.unpac.me/results/88c8eb20-716d-4555-92f4-a9e8853146a8/
SH256 hash:
5ec471fdd89d108f02713ca3c9cdc4d8993d6a01ef74c84e7007316e9337457d
MD5 hash:
db941e0dfacb41670af9d364327ca25b
SHA1 hash:
7b5e55762b4f69e98118e6bedb83e8f9b21f137f
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/88c8eb20-716d-4555-92f4-a9e8853146a8/
Parent samples :
e05a3ed46d18c39464fd1e47bcea0055e56bd2788eeda09cbd8f5d07fea0e236
cf0e8fb30fec443d523eb8c666a541a4695ad286030f5faa5dfc5760df98962d
08ce43a6cd4945d7c2d6031b465b27103ffb213bff99c5c83a31011b6c89bb13
ed57a7a3f8709be19e7451aa4fb7b7af9586df41f9d63aefc4b30b8b7a5de90a
4684a4b4906fcdcb11065f527c784d3fd34b319214d01453dc3867f00704a913
3e05e9f85beed0027d616a6932ec057f15c4c8499e8a6ee085f8199a61aedec3
SH256 hash:
76a4f8281a1137de26b8bfb82b7b5813806e2e547bff193d3646653c38605256
MD5 hash:
1d59ef94430f72d15d01ac64f0d7b3b9
SHA1 hash:
1e20ca773bf019175441b1d8887ae9fc8a62fa03
Link:
https://www.unpac.me/results/88c8eb20-716d-4555-92f4-a9e8853146a8/
SH256 hash:
08ce43a6cd4945d7c2d6031b465b27103ffb213bff99c5c83a31011b6c89bb13
MD5 hash:
b75ed9ce94f7df5332099d7c299a6344
SHA1 hash:
baa25eb6df54810410bf935bc322a11a3ad74edc
Link:
https://www.unpac.me/results/88c8eb20-716d-4555-92f4-a9e8853146a8/
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/08ce43a6cd4945d7c2d6031b465b27103ffb213bff99c5c83a31011b6c89bb13

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:ach_RemcosRAT
Create hunting rule
Author:abuse.ch
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:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
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.

Web download

RemcosRAT

Executable exe 08ce43a6cd4945d7c2d6031b465b27103ffb213bff99c5c83a31011b6c89bb13

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1882911/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/214285/

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