MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3c280a30bfcb13a09179451fc8a2885ea9a95258ee5b52bfd24a1caf7896e54. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f3c280a30bfcb13a09179451fc8a2885ea9a95258ee5b52bfd24a1caf7896e54
SHA3-384 hash: 841666f58fc2b898e96845a312e7a1f3c6a6392f05c668a05332f6a6693609c702db9017cf072ed726c03c95378bdbee
SHA1 hash: 1d4707360041d977f52a3d5c20b9c5b6d9040e4f
MD5 hash: d759962c3a20c3552551519467370d78
humanhash: jupiter-ack-double-winner
File name:RFQ-064845 2023.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'115'136 bytes
First seen:2023-03-22 13:42:39 UTC
Last seen:2023-03-27 05:28:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'598 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:PvKTjt/DH/P74HcMA1d521GsmB7mUY48kv06pO7/2F5:PvK9fP74JAzFmRc06A/2
Threatray 1'716 similar samples on MalwareBazaar
TLSH T1FA35220272E5DF35D41C6EF9D4E28E2053B2B34B2633F7512D8810EA5B5ABE89F01B91
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b8b4dcecf2b4c6c8 (13 x AgentTesla, 4 x SnakeKeylogger, 3 x Formbook)
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
RFQ-064845 2023.exe
Verdict:
Malicious activity
Analysis date:
2023-03-22 13:44:55 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/20996fc7-1737-4503-b92c-381f3839883e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/376471/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/641b05e73b01ade53e7060b4/reports/2bdaddc2-26c5-4ee1-aa56-b4f396535acc/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/f3c280a30bfcb13a09179451fc8a2885ea9a95258ee5b52bfd24a1caf7896e54
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/7438126d-a30d-49bd-8966-a76884201b7b
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1199393
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
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: Remcos
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 832296 Sample: RFQ-064845_2023.exe Startdate: 22/03/2023 Architecture: WINDOWS Score: 100 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus detection for URL or domain 2->79 81 Sigma detected: Scheduled temp file as task from temp location 2->81 83 7 other signatures 2->83 9 RFQ-064845_2023.exe 7 2->9         started        13 cVVsKeGRDmRZkj.exe 5 2->13         started        15 remcos.exe 2->15         started        17 2 other processes 2->17 process3 file4 67 C:\Users\user\AppData\...\cVVsKeGRDmRZkj.exe, PE32 9->67 dropped 69 C:\Users\user\AppData\Local\...\tmp53D0.tmp, XML 9->69 dropped 71 C:\Users\user\...\RFQ-064845_2023.exe.log, ASCII 9->71 dropped 91 Uses schtasks.exe or at.exe to add and modify task schedules 9->91 93 Adds a directory exclusion to Windows Defender 9->93 19 RFQ-064845_2023.exe 2 4 9->19         started        22 powershell.exe 21 9->22         started        24 schtasks.exe 1 9->24         started        95 Multi AV Scanner detection for dropped file 13->95 26 schtasks.exe 13->26         started        28 cVVsKeGRDmRZkj.exe 13->28         started        30 schtasks.exe 15->30         started        32 remcos.exe 15->32         started        34 schtasks.exe 17->34         started        36 remcos.exe 17->36         started        signatures5 process6 file7 63 C:\ProgramData\Remcos\remcos.exe, PE32 19->63 dropped 65 C:\ProgramData\...\remcos.exe:Zone.Identifier, ASCII 19->65 dropped 38 remcos.exe 5 19->38         started        41 conhost.exe 22->41         started        43 conhost.exe 24->43         started        45 conhost.exe 26->45         started        47 conhost.exe 30->47         started        49 conhost.exe 34->49         started        process8 signatures9 87 Multi AV Scanner detection for dropped file 38->87 89 Adds a directory exclusion to Windows Defender 38->89 51 remcos.exe 38->51         started        55 powershell.exe 38->55         started        57 schtasks.exe 38->57         started        process10 dnsIp11 73 212.193.30.230, 2286, 49701, 49705 SPD-NETTR Russian Federation 51->73 75 45.139.105.174, 2210, 49700, 49704 CMCSUS Italy 51->75 85 Installs a global keyboard hook 51->85 59 conhost.exe 55->59         started        61 conhost.exe 57->61         started        signatures12 process13
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f3c280a30bfcb13a09179451fc8a2885ea9a95258ee5b52bfd24a1caf7896e54/
Threat name:
Win32.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2023-03-22 13:41:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6pbibiyl7sytucixsri7zcriqxvjvfjfr3s3kk75esq4v54jnzka._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0f27e5f647e28a535aa0ab9dde5c707150431f10c62d12f1e192ea02d698b3e4
RemcosRAT
221784974f49f2b54c90c63ce6cf9550d94b15c3442c29c959300dbbf5b91f61
RemcosRAT
4bfea5eeb97d0ca4f3f2edd8114048e9a14f43f89187c55f29f2142cdef8da9a
RemcosRAT
52062e748f2857bf6bc3161cdfade85ec042d45093673514ca1787f7216a70f3
RemcosRAT
844d71676420926ac69a998eecb47e4873ba8ed146ae2385770a530a2fffcf36
RemcosRAT
9172e039e1e9412067ba121f93ec85c4883992eefe71438b6b02e0635152732d
RemcosRAT
96c3eda0f05d27702d5af7f5e0c626da24c93013804fd3ebc35241164eafdbdf
RemcosRAT
c29ac11a91f5f0d9af18e4c5845abb6e024fe682e1287e76ccd6efc218240269
RemcosRAT
c8092ae8e5c2fcb2f4ed5be1dac0723ef951a8b445c45aa68376d093fa3a5623
RemcosRAT
df98e5b50efcf7aedf479030e51ca5b9990fad9f0d20d729bb106198ddee923e
RemcosRAT
+ 1'706 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/230322-qz83xaba4y/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
45.139.105.174:2210
212.193.30.230:6320
212.193.30.230:2286
Unpacked files
SH256 hash:
7612750060c9e2ce96a498a615fc6d27a5af0a390bee66737867e39b697889cf
MD5 hash:
1f291c89a99369ad9186af2e6df7a583
SHA1 hash:
f3e211e734577ca9e84919dc9491c6abd62678ed
Link:
https://www.unpac.me/results/f7445fdd-d9af-4697-a90b-a936711fe2c6/
SH256 hash:
bd8c87ddd26f5ff99cded062f23e3852e2d5a30792f8b2fbf0ec6f8b935ebae5
MD5 hash:
928dd212c6fca5b33738900c8375a264
SHA1 hash:
ec02464681ce4371982fb5415cb169bbcb4e8969
Link:
https://www.unpac.me/results/f7445fdd-d9af-4697-a90b-a936711fe2c6/
SH256 hash:
3725b12b68ae464bc354381701e0911f75558d1aeae06987299c582d3e06d41d
MD5 hash:
9dc1586fe61ea365719f6c6de4122007
SHA1 hash:
a9ff4a0cf0e8ba583084cb6962d416b35e799b60
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/f7445fdd-d9af-4697-a90b-a936711fe2c6/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/f7445fdd-d9af-4697-a90b-a936711fe2c6/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
f27d590cb6167fa1231e278c47ab1b3b74218b71debc56bc89197e1d427ba1ef
MD5 hash:
b4e1f620292d88061141a9ba48a1ecbb
SHA1 hash:
5732a2c713af05b6cb7e2c8b28c27c79f1a0ec9e
Link:
https://www.unpac.me/results/f7445fdd-d9af-4697-a90b-a936711fe2c6/
SH256 hash:
f3c280a30bfcb13a09179451fc8a2885ea9a95258ee5b52bfd24a1caf7896e54
MD5 hash:
d759962c3a20c3552551519467370d78
SHA1 hash:
1d4707360041d977f52a3d5c20b9c5b6d9040e4f
Link:
https://www.unpac.me/results/f7445fdd-d9af-4697-a90b-a936711fe2c6/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f3c280a30bfc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/376471/

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