MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5fe9955259f76f4b03bd65fd5e146803690d8057d7ef474c3b1b8eec0b1b928. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c5fe9955259f76f4b03bd65fd5e146803690d8057d7ef474c3b1b8eec0b1b928
SHA3-384 hash: d1545667d3ae6f8e9fe397558a26ff794f969df32dd3b2651faf4be86e6190bce671d56f26f36bfaef59997543b09594
SHA1 hash: 460efea610f73540f118a9804e3f060b4d9fadd1
MD5 hash: f3f4d9bece2d0414a1157289f4c9bc47
humanhash: south-virginia-wisconsin-shade
File name:RFQ-001.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'169'408 bytes
First seen:2022-07-23 08:17:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:pTceo5JaGkqSFRI9bK9dfIQt5gezn3R3YPKJkE+oSMEKm1NmxqLurd:pTFAoqQ9dfIQeb0PU
Threatray 1'651 similar samples on MalwareBazaar
TLSH T13845121234908769EEBD1FF6A62B009023FA9CBBD514E21D6EC632DB0BF27954531B53
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)
File icon (PE):PE icon
dhash icon a2b0aca6a6bafe6a (4 x RemcosRAT, 2 x DarkComet, 2 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
315
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/293622/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.44349.11880.14868-222265.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed surtr
Link:
https://www.filescan.io/uploads/62dbaeccef2b0e63a8349b93/reports/6ffbb32c-8826-49c7-a354-dc6f6c52588c/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/ac70048e-c640-4559-a8ee-5cb9ab646305
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1039670
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c5fe9955259f76f4b03bd65fd5e146803690d8057d7ef474c3b1b8eec0b1b928/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-07-23 05:46:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yx7jsvjft53pjmb32zp5lykgqa3jbwafpv7pi5gdwg4o5qfrxeua._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
082525150d7aace7e21b3bfb469f86c2e7239593c50cebc143d7f8a66b898b83
RemcosRAT
0a7baae0933a14082beb95b1c5484dd958e333f7fc499f645c1d550d8ad124a1
RemcosRAT
21323faa5f74ccc103e64f30bc31b36e0cfc971a601b59502713151ad4f465db
RemcosRAT
346a4ca2e508923bcf0e4c0d73a2ee06d91bd436b8db4981ab9ecb16e6f5110d
RemcosRAT
5482c9775362ce202cf44b082ce747f7e69f522a903ccc031c975cc714c82a8c
RemcosRAT
91dfebe2d0d1f9ac3e495529066a6cd987ad302d33be7fb7fc744f5905daf832
RemcosRAT
b6d46263696ceeab50c8a9088bf3cedecad1bf4f8d8f452c1b1773f877d8e4a0
RemcosRAT
db8a8a4bf1e1e63ef1bd27f8131dfeb14bca74e9d68605cf71e9eac5126baa48
RemcosRAT
dfa6c38c1b3b33a94e1e884e47e0864808c8af196c260b6b8045cb4ed37d300e
RemcosRAT
+ 1'641 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220723-j69jpaddbn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Unpacked files
SH256 hash:
030f79679040fbb3d7a89795450ef4bc26e4aebab2d59dba0c21acb68c79f389
MD5 hash:
ed3f04f0bdebb52354b221be354be4fe
SHA1 hash:
8f18c3bda3e0909c527e513b5c79453568c7afc1
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/c4e705d0-bb65-4912-b33b-b6e2d959395d/
Parent samples :
b7deac676ee163bb88faedd6e4a460b1fd0a0154823a4dfcda9b4804e05a4ba8
42624f233b4710ff3fc425330fae107498102ce92fbe263c1cf5c011bd2c17fb
0a006a3d6a43bb926dfffe709735cbda30ec27412f2eb91c9cbcd5e40f6990d9
c5fe9955259f76f4b03bd65fd5e146803690d8057d7ef474c3b1b8eec0b1b928
7c380da3b5e58ba5bb581c1018dfc9856fbc0fa60808ae283eab7ee07ebad186
SH256 hash:
ef0acd40cf3864cbe94453ea00358422e922657dca5cb44fad122a55151aa870
MD5 hash:
ad2a0ee8c6b1ebef1696b251538d9050
SHA1 hash:
06dd76eb76242c6a636beb8d72d65d2bedecd52b
Link:
https://www.unpac.me/results/c4e705d0-bb65-4912-b33b-b6e2d959395d/
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/c4e705d0-bb65-4912-b33b-b6e2d959395d/
SH256 hash:
ca4e3745f87ae419e10fa9dd15e9814f66a7dca601ae70bd3ae3b0b0781e9491
MD5 hash:
6491ab64072f34a6124f4cdf1d9bdd43
SHA1 hash:
78008e0c188d1732ebb5bbfe6d15892ebe32b1f7
Link:
https://www.unpac.me/results/c4e705d0-bb65-4912-b33b-b6e2d959395d/
SH256 hash:
f519c23e82594c570572ecb952a3f8b3171acac76e7d7f6b89e99e1484d54296
MD5 hash:
2e972e5de3d351e48f390219b6186047
SHA1 hash:
58320d08219ea317a92343b28a46e437bb33085f
Link:
https://www.unpac.me/results/c4e705d0-bb65-4912-b33b-b6e2d959395d/
SH256 hash:
c5fe9955259f76f4b03bd65fd5e146803690d8057d7ef474c3b1b8eec0b1b928
MD5 hash:
f3f4d9bece2d0414a1157289f4c9bc47
SHA1 hash:
460efea610f73540f118a9804e3f060b4d9fadd1
Link:
https://www.unpac.me/results/c4e705d0-bb65-4912-b33b-b6e2d959395d/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c5fe9955259f/report/overview.html
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/c5fe9955259f76f4b03bd65fd5e146803690d8057d7ef474c3b1b8eec0b1b928

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_RawGitHub_URL
Create hunting rule
Author:ditekSHen
Description:Detects executables containing URLs to raw contents of a Github gist
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.

Malspam

RemcosRAT

Executable exe c5fe9955259f76f4b03bd65fd5e146803690d8057d7ef474c3b1b8eec0b1b928

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/293622/

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