MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 878e201d99e71462a088223e1a116e4921a2a40335c7895b4353eca70321246a. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 878e201d99e71462a088223e1a116e4921a2a40335c7895b4353eca70321246a
SHA3-384 hash: 15d24f93ff2b2de70f3a454681cf65ffd07076e5984c41f582215c8972438dfd8d122143354750c588ce4eb7d9abf98e
SHA1 hash: ef6ea085cf0417cc19cf8d052d28b26d46781f2d
MD5 hash: 4b57a74b6b8879fadfa7e6c93d732e06
humanhash: eighteen-blue-alpha-earth
File name:4b57a74b6b8879fadfa7e6c93d732e06.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'089'024 bytes
First seen:2022-02-28 08:39:11 UTC
Last seen:2022-02-28 11:03:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'453 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:FXbEgC2Xw5ChBR7CZr/CG/fuz5WWeBRS8gIwxa:FraIfhBRCZrKG/f+5WQ8gIwx
Threatray 2'104 similar samples on MalwareBazaar
TLSH T14135226CBBE85E37C56C3DBA40A225B047328103B893FBAE3B44AC6D56D3745454BB27
File icon (PE):PE icon
dhash icon f0cc8e9cf48cdce0 (11 x RemcosRAT, 4 x NanoCore, 3 x Formbook)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/245237/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.35065.13126.30823.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Searching for the window
Creating a window
Sending a custom TCP 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/621c8a67dfdfa8501c6a6b8e/reports/c5b3aeec-7d73-411e-8963-2582a54d8919/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.
Gathering data
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/947200
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
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: Suspicious Script Execution From Temp Folder
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 dnsIp2 2 Behavior Graph ID: 579679 Sample: rKIPEtlVaf.exe Startdate: 28/02/2022 Architecture: WINDOWS Score: 100 47 store-images.s-microsoft.com 2->47 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected AntiVM3 2->55 57 5 other signatures 2->57 11 rKIPEtlVaf.exe 3 2->11         started        15 UDP.exe 2 2->15         started        17 UDP.exe 2 2->17         started        signatures3 process4 file5 45 C:\Users\user\AppData\...\rKIPEtlVaf.exe.log, ASCII 11->45 dropped 61 Contains functionality to steal Chrome passwords or cookies 11->61 63 Contains functionality to inject code into remote processes 11->63 65 Contains functionality to steal Firefox passwords or cookies 11->65 67 Delayed program exit found 11->67 19 rKIPEtlVaf.exe 4 4 11->19         started        69 Injects a PE file into a foreign processes 15->69 22 UDP.exe 15->22         started        24 UDP.exe 15->24         started        signatures6 process7 file8 39 C:\Users\user\AppData\Roaming\UDP.exe, PE32 19->39 dropped 41 C:\Users\user\...\UDP.exe:Zone.Identifier, ASCII 19->41 dropped 43 C:\Users\user\AppData\Local\...\install.vbs, data 19->43 dropped 26 wscript.exe 1 19->26         started        process9 process10 28 cmd.exe 1 26->28         started        process11 30 UDP.exe 3 28->30         started        33 conhost.exe 28->33         started        signatures12 71 Multi AV Scanner detection for dropped file 30->71 73 Injects a PE file into a foreign processes 30->73 35 UDP.exe 2 1 30->35         started        process13 dnsIp14 49 davidwongwarzone.zapto.org 54.209.212.142, 2030, 49751 AMAZON-AESUS United States 35->49 59 Installs a global keyboard hook 35->59 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/878e201d99e71462a088223e1a116e4921a2a40335c7895b4353eca70321246a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-28 02:34:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q6hcahmz44kgfieiei7buelojeq2fjadgxdysw2dkpwkoazberva._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
09b75cdc3edcad3cc8b1729683a1132506e851c9d7a1d864fc842284822d1ba5
RemcosRAT
38c2822b3929fe567273c89ddbdc3fb49a750199cd795f36ad6dc29bb614e4c6
RemcosRAT
6a4b5aab71a352d6ae6140f99a28b0c38df78a8985b3383f1bc424ca74e046fe
RemcosRAT
7b5f70276fe64b0ec64ff186af6706b1dbbf2e2dc69e4b1546745b293121116f
RemcosRAT
b0ac37aec0eef942e0ff9c35828584b8d887f951ec13afbd80cdc4ce23595ae4
RemcosRAT
b53db8cda884be522adeb2f293a41fa80fa2522b3c2eedb1ed20841c5a41d716
RemcosRAT
c530ab34e439bbcaf995290504072a5f77ec085e2ef485e4ef324b7a957f5738
RemcosRAT
ebf21217cedcf7f1809418985cb120b150b12d2ec955119c73f7c3170b5f2232
RemcosRAT
+ 2'094 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:gee2022 persistence rat
Link:
https://tria.ge/reports/220228-kkww5sdge3/
Behaviour
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
davidwongwarzone.zapto.org:2030
Unpacked files
SH256 hash:
1fff78bb6f65486f55bf9da44d9f1c2eccb036cf146c38db2a503da702588a5a
MD5 hash:
93294429a59340e35f77f12e3b1ef67c
SHA1 hash:
01ea4497cf8154356bd3be5155fc65b84a681e5e
Link:
https://www.unpac.me/results/7acd4e7e-ec26-48b7-8572-cdb90e4aa1f6/
SH256 hash:
7202b9284fb75c68746fb9e243ded251635e35453c2632918206c5e1cf698d7e
MD5 hash:
cd1fd5716cfdd5ba644138caca34c912
SHA1 hash:
ed247fb95e1a10c5f13db8c431ea9ca2e6fc7308
Link:
https://www.unpac.me/results/7acd4e7e-ec26-48b7-8572-cdb90e4aa1f6/
SH256 hash:
1410a7e8e075a2d019de7e093cb24db9b640369b7f6da9d139c0264cee9ec8ee
MD5 hash:
52802151f5e32173de5235644d7b621a
SHA1 hash:
c1b6f7dc9e49e669252fd739384d6481f7c706f2
Link:
https://www.unpac.me/results/7acd4e7e-ec26-48b7-8572-cdb90e4aa1f6/
SH256 hash:
115586f56eeb0fcb04bca343a390de9e7bed615013e8f42d7905e8046280397c
MD5 hash:
01f4a5383e4b949f7fd4f335bec906a4
SHA1 hash:
a9d95dea94e4a5f286cdcc2c103ebbafd513ac87
Link:
https://www.unpac.me/results/7acd4e7e-ec26-48b7-8572-cdb90e4aa1f6/
SH256 hash:
878e201d99e71462a088223e1a116e4921a2a40335c7895b4353eca70321246a
MD5 hash:
4b57a74b6b8879fadfa7e6c93d732e06
SHA1 hash:
ef6ea085cf0417cc19cf8d052d28b26d46781f2d
Link:
https://www.unpac.me/results/7acd4e7e-ec26-48b7-8572-cdb90e4aa1f6/
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/878e201d99e71462a088223e1a116e4921a2a40335c7895b4353eca70321246a

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: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.

Web download

RemcosRAT

Executable exe 878e201d99e71462a088223e1a116e4921a2a40335c7895b4353eca70321246a

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/245237/
  
URLhaus
https://urlhaus.abuse.ch/url/2059382/
  
Delivery method
Distributed via web download

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