MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd5f1820af33d2e6f034ca088a5fd83592835c722aca63d9f4912ea2e7996d00. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cd5f1820af33d2e6f034ca088a5fd83592835c722aca63d9f4912ea2e7996d00
SHA3-384 hash: d13c2b1bb256e2beed1921a2559308c55c1b2261fac1c4c37a11f58d6f8d5e1aff05ddeb2762a31af254f19b9abe7c93
SHA1 hash: 41f00acfcd2a25fbef6bf42520bb21f9cf94ffb5
MD5 hash: cfec3531b1a8b3a2286da188787ffe01
humanhash: alanine-emma-ink-wyoming
File name:SecuriteInfo.com.W32.AIDetectNet.01.11160.13747
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:21'504 bytes
First seen:2022-08-18 09:40:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 384:ioT4X9QDhkPetyXDHK3HmFL9Qg8qZrXSCyS9y:ioEXiD2eoXDHK4B8KXuS0
Threatray 5'200 similar samples on MalwareBazaar
TLSH T1BEA2E74BD74C9961D36A8E3EF487F6B402A0AB51D86E8F2B307537536A73BC6C501D0A
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 9b1979616969612b (42 x RemcosRAT, 6 x AgentTesla, 5 x Formbook)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
322
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.11160.13747
Verdict:
Suspicious activity
Analysis date:
2022-08-18 09:43:22 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3b5c68c7-7e7d-4e39-a214-a3bed676e8f5

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/299560/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.11160.13747.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62fe09a86df203c16a8ddd1d/reports/93414868-b1dc-4fca-a4ff-91ee771f9d22/overview
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7f2eeb3f-8c9b-4e87-9291-253b791292c9
Result
Threat name:
AsyncRAT, FormBook, Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1053724
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
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)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
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)
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)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected FormBook
Yara detected Generic Downloader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 686241 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 18/08/2022 Architecture: WINDOWS Score: 100 82 Multi AV Scanner detection for domain / URL 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 Antivirus detection for URL or domain 2->86 88 11 other signatures 2->88 9 SecuriteInfo.com.W32.AIDetectNet.01.11160.exe 16 7 2->9         started        14 Mhcfc.exe 2->14         started        16 Mhcfc.exe 2->16         started        process3 dnsIp4 76 transfer.sh 144.76.136.153, 443, 49709, 49725 HETZNER-ASDE Germany 9->76 60 C:\Users\user\AppData\Roaming\...\Mhcfc.exe, PE32 9->60 dropped 62 C:\Users\user\...\Mhcfc.exe:Zone.Identifier, ASCII 9->62 dropped 64 SecuriteInfo.com.W...et.01.11160.exe.log, ASCII 9->64 dropped 106 Encrypted powershell cmdline option found 9->106 108 Writes to foreign memory regions 9->108 110 Allocates memory in foreign processes 9->110 18 aspnet_compiler.exe 2 18 9->18         started        23 powershell.exe 18 9->23         started        112 Multi AV Scanner detection for dropped file 14->112 114 Machine Learning detection for dropped file 14->114 116 Injects a PE file into a foreign processes 14->116 25 powershell.exe 14->25         started        27 aspnet_compiler.exe 14->27         started        29 powershell.exe 16->29         started        31 aspnet_compiler.exe 16->31         started        file5 signatures6 process7 dnsIp8 70 obologs.work.gd 194.5.98.244, 4044, 49721, 49722 DANILENKODE Netherlands 18->70 72 geoplugin.net 178.237.33.50, 49724, 80 ATOM86-ASATOM86NL Netherlands 18->72 74 transfer.sh 18->74 56 C:\Users\user\AppData\Local\Temp\dwn.exe, PE32 18->56 dropped 58 C:\Users\user\AppData\Local\...\Fxzrxa[1].exe, PE32 18->58 dropped 104 Maps a DLL or memory area into another process 18->104 33 dwn.exe 4 18->33         started        37 aspnet_compiler.exe 1 18->37         started        39 aspnet_compiler.exe 18->39         started        47 21 other processes 18->47 41 conhost.exe 23->41         started        43 conhost.exe 25->43         started        45 conhost.exe 29->45         started        file9 signatures10 process11 dnsIp12 66 transfer.sh 33->66 90 Machine Learning detection for dropped file 33->90 92 Encrypted powershell cmdline option found 33->92 94 Writes to foreign memory regions 33->94 102 2 other signatures 33->102 49 aspnet_compiler.exe 33->49         started        52 powershell.exe 33->52         started        96 Tries to steal Instant Messenger accounts or passwords 37->96 98 Tries to steal Mail credentials (via file / registry access) 37->98 68 192.168.2.1 unknown unknown 47->68 100 Tries to harvest and steal browser information (history, passwords, etc) 47->100 signatures13 process14 signatures15 78 Modifies the context of a thread in another process (thread injection) 49->78 80 Maps a DLL or memory area into another process 49->80 54 conhost.exe 52->54         started        process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cd5f1820af33d2e6f034ca088a5fd83592835c722aca63d9f4912ea2e7996d00/
Threat name:
ByteCode-MSIL.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-08-18 09:32:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zvprqifpgpjon4buzieiux6ygwjigxdsflfghwpusexkfz4znuaa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
remcos
Create hunting rule
masslogger
Create hunting rule
Similar samples:
0c3d385c94560cc9fa56c7cab2a5401c37397820956adaa20e5b4fa6422ceb3d
RemcosRAT
1e9d4a5258e0fd5efe78f173d5d80a991337c8d890697320242218f94254f1de
RemcosRAT
22f9a7a8f42d3d3c49c8868d8013d56e54fcdcde9c020fb03bad42903f77279c
RemcosRAT
24bb842bb98ba84cbd9db57c226cbf30bd30d240007b18c3c9a734fd4f8e63a7
RemcosRAT
6c3193fce2bc8edb1884269cc6c43445db0c8a7ca04d89605d588a72510b3ca1
RemcosRAT
7b6d0544e8a91acc2ccfc8578a849e0726df02700c5909e8fed955199ac2a945
RemcosRAT
a6abf72d95dac9ba6e6e4b53d9cbcd013846660a18ac5b9eeacb6cd87c783a2c
RemcosRAT
b2cfbcebd445e279de69ffa4169f678dda459b3ef194070a7ea3fd1ecf82f40e
RemcosRAT
ceb6fcadd0f96521026c478596bbc3ba3dfdd3ecdbb2d9e4e8f5bb4a422e446d
RemcosRAT
ec0a3b7d3636b52ae025418ec21669e06c30f58930f11303571a2af6993ef365
RemcosRAT
+ 5'190 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection persistence rat
Link:
https://tria.ge/reports/220818-lnrl9scfaq/
Behaviour
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Downloads MZ/PE file
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
obologs.work.gd:4044
Unpacked files
SH256 hash:
cd5f1820af33d2e6f034ca088a5fd83592835c722aca63d9f4912ea2e7996d00
MD5 hash:
cfec3531b1a8b3a2286da188787ffe01
SHA1 hash:
41f00acfcd2a25fbef6bf42520bb21f9cf94ffb5
Link:
https://www.unpac.me/results/8c1ceba5-5673-4a56-8ac3-4e8386ee54bf/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cd5f1820af33/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/cd5f1820af33d2e6f034ca088a5fd83592835c722aca63d9f4912ea2e7996d00

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.

Cape
Cape
https://www.capesandbox.com/analysis/299560/

Comments