MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa6a12febef7559e930436965c1df266091fd66c3b918f220a67c96b60c37d03. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aa6a12febef7559e930436965c1df266091fd66c3b918f220a67c96b60c37d03
SHA3-384 hash: 25e721c37309992492cb37f1076f837442d996723b96e458700a071660c31e9736b71bc1b783f41ce22114ab32bb9f73
SHA1 hash: 4824e765107f49efe99034cac6183b468ba92402
MD5 hash: 413b28efdc12e8c30f1d4d5a5e168415
humanhash: pennsylvania-twelve-papa-batman
File name:image0010_CamScanner.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:38'000'000 bytes
First seen:2023-01-13 10:09:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 261ec70eab00e77b4a1539125ca9c2c7 (4 x RemcosRAT, 1 x ModiLoader, 1 x Formbook)
ssdeep 12288:QJwpjlZUpP4dtZp1EgkuI1EXfVFxLBoOQ9iyMD78phts2O16a:QopZ9tT1wuI1EtLLxMiya78phm
TLSH T14D879E32FEA04837C95A2DFA4C4F879528157E202D34A9CE6EE43D9DDF7B9D13824192
TrID 26.2% (.SCR) Windows screen saver (13097/50/3)
21.1% (.EXE) Win64 Executable (generic) (10523/12/4)
13.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.0% (.EXE) Win32 Executable (generic) (4505/5/1)
dhash icon 60e09086c4a4a0c4 (6 x DBatLoader, 5 x RemcosRAT, 1 x ModiLoader)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
208
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
image0010_CamScanner.exe
Verdict:
Malicious activity
Analysis date:
2023-01-13 10:12:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8a87dcc9-d267-47bd-aa23-89ab46dbe11c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/59993/overview
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware keylogger overlay
Link:
https://www.filescan.io/uploads/63c12dfd6597316531fc1c18/reports/83156ebc-dc4b-4f95-919b-68e116c140b3/overview
Result
Verdict:
MALICIOUS
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1150975
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Creates a thread in another existing process (thread injection)
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
DLL side loading technique detected
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with a suspicious file extension
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: Remcos
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
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 DBatLoader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 783707 Sample: image0010_CamScanner.exe Startdate: 13/01/2023 Architecture: WINDOWS Score: 100 90 Multi AV Scanner detection for domain / URL 2->90 92 Malicious sample detected (through community Yara rule) 2->92 94 Antivirus / Scanner detection for submitted sample 2->94 96 10 other signatures 2->96 10 Pxpirsst.exe 1 2->10         started        14 image0010_CamScanner.exe 1 22 2->14         started        17 Pxpirsst.exe 2->17         started        process3 dnsIp4 62 C:\Users\Public\Libraries\tssripxP.pif, PE32 10->62 dropped 114 Antivirus detection for dropped file 10->114 116 Multi AV Scanner detection for dropped file 10->116 118 Drops PE files with a suspicious file extension 10->118 19 tssripxP.pif 10->19         started        80 googlehosted.l.googleusercontent.com 142.250.184.33, 443, 49697 GOOGLEUS United States 14->80 82 drive.google.com 142.250.184.46, 443, 49696 GOOGLEUS United States 14->82 84 doc-0g-9k-docs.googleusercontent.com 14->84 64 C:\Users\Public\Libraries\netutils.dll, PE32+ 14->64 dropped 66 C:\Users\Public\Libraries\easinvoker.exe, PE32+ 14->66 dropped 68 C:\Users\Public\Libraries\Pxpirsst.exe, PE32 14->68 dropped 70 C:\Users\...\Pxpirsst.exe:Zone.Identifier, ASCII 14->70 dropped 120 Writes to foreign memory regions 14->120 122 Allocates memory in foreign processes 14->122 124 Creates a thread in another existing process (thread injection) 14->124 23 cmd.exe 3 14->23         started        25 tssripxP.pif 14->25         started        126 Injects a PE file into a foreign processes 17->126 27 tssripxP.pif 17->27         started        file5 signatures6 process7 dnsIp8 72 pentester01.duckdns.org 151.80.223.229, 49701, 49702, 53079 OVHFR Italy 19->72 74 geoplugin.net 178.237.33.50, 49703, 80 ATOM86-ASATOM86NL Netherlands 19->74 100 Detected unpacking (changes PE section rights) 19->100 102 Detected unpacking (creates a PE file in dynamic memory) 19->102 104 Maps a DLL or memory area into another process 19->104 106 Sample uses process hollowing technique 19->106 29 tssripxP.pif 19->29         started        32 tssripxP.pif 19->32         started        34 tssripxP.pif 19->34         started        44 24 other processes 19->44 108 Uses ping.exe to sleep 23->108 110 Drops executables to the windows directory (C:\Windows) and starts them 23->110 112 Uses ping.exe to check the status of other devices and networks 23->112 36 easinvoker.exe 23->36         started        38 PING.EXE 1 23->38         started        41 xcopy.exe 2 23->41         started        46 6 other processes 23->46 signatures9 process10 dnsIp11 128 Tries to steal Instant Messenger accounts or passwords 29->128 130 Tries to steal Mail credentials (via file / registry access) 29->130 48 cmd.exe 1 36->48         started        76 127.0.0.1 unknown unknown 38->76 58 C:\Windows \System32\easinvoker.exe, PE32+ 41->58 dropped 78 192.168.2.1 unknown unknown 44->78 132 Tries to harvest and steal browser information (history, passwords, etc) 44->132 60 C:\Windows \System32\netutils.dll, PE32+ 46->60 dropped file12 signatures13 process14 signatures15 86 Suspicious powershell command line found 48->86 88 Adds a directory exclusion to Windows Defender 48->88 51 powershell.exe 23 48->51         started        54 conhost.exe 48->54         started        process16 signatures17 98 DLL side loading technique detected 51->98 56 conhost.exe 51->56         started        process18
Gathering data
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-01-13 10:10:19 UTC
File Type:
PE (Exe)
Extracted files:
45
AV detection:
18 of 41 (43.90%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vjvbf7v665kz5eyeg2lfyhpsmyer7vtmhoiy6iqkm7ewwygdpubq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:jan-pvc-2023 collection persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/230113-l7djragb33/
Behaviour
Enumerates system info in registry
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
ModiLoader Second Stage
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
pentester01.duckdns.org:53079
pentester0.accesscam.org:56796
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/aa6a12febef7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.41
Link:
https://yomi.yoroi.company/submissions/aa6a12febef7559e930436965c1df266091fd66c3b918f220a67c96b60c37d03

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:yara_template
Create hunting rule

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Executable exe aa6a12febef7559e930436965c1df266091fd66c3b918f220a67c96b60c37d03

(this sample)

  
Delivery method
Distributed via e-mail attachment

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