MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0057db49e4ec9c7538a5f49de24b6cdea3af5cf98357266d0a398fc8a7f804d7. 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 2 File information Comments
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SHA256 hash: 0057db49e4ec9c7538a5f49de24b6cdea3af5cf98357266d0a398fc8a7f804d7
SHA3-384 hash: 12cbf5ccd7f0ae44cc7bcf2b1806e7f15938bdfdea6783c1fff6f39313fa6e02d9544ee6a3c1219fdbfd74e612f44748
SHA1 hash: b73b170dab13d258014eab08e0fb9200bb2070cb
MD5 hash: 1aaee53e13445182295a40ff33f7ffb9
humanhash: ceiling-violet-early-wisconsin
File name:POLV0900287.exe
Download: download sample
Signature RemcosRAT
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File size:1'107'456 bytes
First seen:2022-09-30 06:30:14 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:h7yJHHAVFDd1wHsOzj4j85M1hUQDAxzJX44EZbG+:huqVL+sOzj4jGM1aK4FXCJ
TLSH T1F835011B2AD341E1C4E8DA70B7FD56A953F9939B0604E7E7264803F9DA0134BB9129F3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon c89c98acacacbcac (31 x Loki, 23 x AgentTesla, 22 x AveMariaRAT)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
282
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/315056/
Detection(s):
Win.Dropper.Smdd-6956905-0
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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:
Suspicious
Threat level:
  5/10
Confidence:
83%
Tags:
packed remcos
Link:
https://www.filescan.io/uploads/63368d2778d4acb349f381c3/reports/f6fc85fc-e3a9-4de3-8f7d-c1c5d16d7d47/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7b206927-f8b9-482d-b429-9ff6b0010421
Result
Threat name:
DarkTortilla, Remcos
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1080673
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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 dropped file
Multi AV Scanner detection for submitted file
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 signatures2 2 Behavior Graph ID: 713230 Sample: POLV0900287.exe Startdate: 30/09/2022 Architecture: WINDOWS Score: 100 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 Antivirus / Scanner detection for submitted sample 2->57 59 6 other signatures 2->59 8 POLV0900287.exe 15 3 2->8         started        process3 dnsIp4 51 www.google.com 142.250.203.100, 443, 49698, 49700 GOOGLEUS United States 8->51 39 C:\Users\user\AppData\...\POLV0900287.exe.log, ASCII 8->39 dropped 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->71 13 cmd.exe 3 8->13         started        17 cmd.exe 1 8->17         started        file5 signatures6 process7 file8 41 C:\Users\user\AppData\Roaming\handdicks.exe, PE32 13->41 dropped 43 C:\Users\...\handdicks.exe:Zone.Identifier, ASCII 13->43 dropped 73 Uses ping.exe to sleep 13->73 19 handdicks.exe 14 2 13->19         started        23 conhost.exe 13->23         started        25 PING.EXE 1 13->25         started        27 PING.EXE 1 13->27         started        75 Uses ping.exe to check the status of other devices and networks 17->75 29 reg.exe 1 1 17->29         started        31 PING.EXE 1 17->31         started        33 conhost.exe 17->33         started        signatures9 process10 dnsIp11 45 www.google.com 19->45 61 Antivirus detection for dropped file 19->61 63 Multi AV Scanner detection for dropped file 19->63 65 Machine Learning detection for dropped file 19->65 69 3 other signatures 19->69 35 AddInProcess32.exe 19->35         started        37 AddInProcess32.exe 19->37         started        67 Creates an undocumented autostart registry key 29->67 47 127.0.0.1 unknown unknown 31->47 49 192.168.2.1 unknown unknown 31->49 signatures12 process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0057db49e4ec9c7538a5f49de24b6cdea3af5cf98357266d0a398fc8a7f804d7/
Threat name:
Win32.Backdoor.Remcos
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Status:
Malicious
First seen:
2022-09-21 03:40:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
43
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=abl5wspe5sohkoff6so6es3m32r26xhzqnlsm3ikhgh4rj7yatlq._file
Verdict:
malicious
Label(s):
asyncrat
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remcos
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Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/220930-g92xxacgb3/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Modifies WinLogon for persistence
Remcos
Malware Config
C2 Extraction:
harjahwool.ddnsfree.com:8372
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8d07e0ff-6b45-4ebb-93f7-fbe517d89bd7
Unpacked files
SH256 hash:
0057db49e4ec9c7538a5f49de24b6cdea3af5cf98357266d0a398fc8a7f804d7
MD5 hash:
1aaee53e13445182295a40ff33f7ffb9
SHA1 hash:
b73b170dab13d258014eab08e0fb9200bb2070cb
Link:
https://www.unpac.me/results/ac5ab5f2-5c10-4e18-b14b-e79f1a2fe8eb/
Malware family:
Remcos
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0057db49e4ec/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/0057db49e4ec9c7538a5f49de24b6cdea3af5cf98357266d0a398fc8a7f804d7

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
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Rule name:Skystars_Malware_Imphash
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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 0057db49e4ec9c7538a5f49de24b6cdea3af5cf98357266d0a398fc8a7f804d7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/315056/

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