MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c09c1cfdc80893c1a64a68ed969bd26c929c78fb125747ad01064c5b237ad7b. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5c09c1cfdc80893c1a64a68ed969bd26c929c78fb125747ad01064c5b237ad7b
SHA3-384 hash: 0aa2e486a1433c803d46cb8f3a3d77a37a9101395d69715593f5149ead921ec40ce84a99603c159e183ccd023fbdc434
SHA1 hash: fef5c52c3af36689f3c794ce586d83b0a458afa5
MD5 hash: b80414e3202a808673a8254aec607a12
humanhash: potato-louisiana-delta-delta
File name:2022-11-4 报价请求.PDF.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'153'536 bytes
First seen:2022-11-05 09:22:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:ZH14Ct7BwWTmQHsOzj4j85M1hUQDAxzJX4K4hGxosG:ZHGW7BwWtsOzj4jGM1aK4FX3
TLSH T1BF35F10B2BC60AE0D9E6F7B673F9455413F0E6DB0620E7671E0482E9DB132CA65063B7
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13097/50/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
173
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
2022-11-4 报价请求.PDF.exe
Verdict:
Malicious activity
Analysis date:
2022-11-05 09:23:15 UTC
Tags:
trojan rat remcos stealer keylogger
Link:
https://app.any.run/tasks/41cfc97f-9788-4a44-89d9-1c2f374255c0

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/329006/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Running batch commands
Launching a process
Creating a file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Enabling autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63662b77d998c15a09ab1c5f/reports/4e30370f-c362-491c-ab5c-64b10ec30426/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/61919780-b83d-4264-8f00-aed3e37cb442
Result
Threat name:
DarkTortilla, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1106072
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses an obfuscated file name to hide its real file extension (double extension)
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected DarkTortilla Crypter
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 738734 Sample: 2022-11-4 #U62a5#U4ef7#U8bf... Startdate: 05/11/2022 Architecture: WINDOWS Score: 100 48 valvesco.duckdns.org 2->48 50 geoplugin.net 2->50 60 Snort IDS alert for network traffic 2->60 62 Multi AV Scanner detection for domain / URL 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 12 other signatures 2->66 9 2022-11-4 #U62a5#U4ef7#U8bf7#U6c42.PDF.exe 15 3 2->9         started        signatures3 process4 dnsIp5 58 www.google.com 142.250.203.100, 443, 49695, 49696 GOOGLEUS United States 9->58 42 2022-11-4 #U62a5#U...7#U6c42.PDF.exe.log, ASCII 9->42 dropped 76 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->76 14 cmd.exe 3 9->14         started        18 cmd.exe 1 9->18         started        file6 signatures7 process8 file9 44 C:\Users\user\AppData\Roaming\mnvcbn .exe, PE32 14->44 dropped 46 C:\Users\user\...\mnvcbn .exe:Zone.Identifier, ASCII 14->46 dropped 78 Uses ping.exe to sleep 14->78 20 mnvcbn .exe 14 2 14->20         started        24 PING.EXE 1 14->24         started        26 conhost.exe 14->26         started        28 PING.EXE 1 14->28         started        80 Uses ping.exe to check the status of other devices and networks 18->80 30 reg.exe 1 1 18->30         started        32 PING.EXE 1 18->32         started        34 conhost.exe 18->34         started        signatures10 process11 dnsIp12 52 www.google.com 20->52 68 Writes to foreign memory regions 20->68 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->70 72 Injects a PE file into a foreign processes 20->72 36 AddInProcess32.exe 20->36         started        38 AddInProcess32.exe 20->38         started        40 AddInProcess32.exe 20->40         started        54 192.168.2.1 unknown unknown 24->54 74 Creates an undocumented autostart registry key 30->74 56 127.0.0.1 unknown unknown 32->56 signatures13 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5c09c1cfdc80893c1a64a68ed969bd26c929c78fb125747ad01064c5b237ad7b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-04 02:14:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
43
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lqe4dt64qcetygteu2hns2n5e3estr4pwesxi6wqcbsmlmrxvv5q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:new rem stub collection persistence rat
Link:
https://tria.ge/reports/221105-lcf2dshbfk/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Modifies WinLogon for persistence
Remcos
Malware Config
C2 Extraction:
valvesco.duckdns.org:5050
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b0396a25-889a-449a-b017-34ef2d26ab4b
Unpacked files
SH256 hash:
5c09c1cfdc80893c1a64a68ed969bd26c929c78fb125747ad01064c5b237ad7b
MD5 hash:
b80414e3202a808673a8254aec607a12
SHA1 hash:
fef5c52c3af36689f3c794ce586d83b0a458afa5
Link:
https://www.unpac.me/results/c8e86ff4-988e-48fd-88aa-64a1361e36bd/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5c09c1cfdc80/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/5c09c1cfdc80893c1a64a68ed969bd26c929c78fb125747ad01064c5b237ad7b

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.

Malspam

RemcosRAT

Executable exe 5c09c1cfdc80893c1a64a68ed969bd26c929c78fb125747ad01064c5b237ad7b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/329006/

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