MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28bf3db254e4ebed783a29d7b825f96ed5dc61ce29d9ee5cf4d14db0756b7b02. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28bf3db254e4ebed783a29d7b825f96ed5dc61ce29d9ee5cf4d14db0756b7b02
SHA3-384 hash: f47a208862fac0e047751186751a02369d3e388a0dd0d903510c1c2f7f1b6ce57036f83f54afb8e121a9f6563661a5e3
SHA1 hash: a69a7ae1d0600c41f1e03631fe02076b32ced6fa
MD5 hash: 4b312ae24be76b86bc52ae6c44a39d72
humanhash: pennsylvania-queen-two-salami
File name:SecuriteInfo.com.Win32.CrypterX-gen.12935.15615
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:11'776 bytes
First seen:2022-11-18 08:56:47 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 192:ggawNI8q/tILMykY/IYMX4OpSNY/cZVhzn:ggotILMykOWMY4VZ
Threatray 3'406 similar samples on MalwareBazaar
TLSH T14F32748BD3895971CD3A873EA452C2B70164B341DCBE4E2E34B4B917B8333C60662D5B
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 :
224
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.CrypterX-gen.12935.15615
Verdict:
No threats detected
Analysis date:
2022-11-18 08:59:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3d1dd685-213b-4375-a1eb-f8bb462bdb66

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/335702/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.12935.15615.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637748e26fda73cab64e50f5/reports/1effc8b5-f6a3-4f30-9bdc-a75a437c9234/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b178c159-27b1-44e4-baed-ff235e687ff6
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1116405
Signature
.NET source code contains potential unpacker
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
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 aPLib compressed binary
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 749117 Sample: SecuriteInfo.com.Win32.Cryp... Startdate: 18/11/2022 Architecture: WINDOWS Score: 100 57 Multi AV Scanner detection for domain / URL 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 9 other signatures 2->63 7 SecuriteInfo.com.Win32.CrypterX-gen.12935.15615.exe 16 7 2->7         started        12 Gthvk.exe 2->12         started        14 Gthvk.exe 2->14         started        process3 dnsIp4 53 transfer.sh 144.76.136.153, 443, 49695, 49700 HETZNER-ASDE Germany 7->53 39 C:\Users\user\AppData\Roaming\...behaviorgraphthvk.exe, PE32 7->39 dropped 41 C:\Users\user\...behaviorgraphthvk.exe:Zone.Identifier, ASCII 7->41 dropped 43 SecuriteInfo.com.W...12935.15615.exe.log, ASCII 7->43 dropped 75 Encrypted powershell cmdline option found 7->75 77 Writes to foreign memory regions 7->77 79 Injects a PE file into a foreign processes 7->79 16 aspnet_compiler.exe 2 16 7->16         started        21 powershell.exe 16 7->21         started        55 192.168.2.1 unknown unknown 12->55 81 Multi AV Scanner detection for dropped file 12->81 83 Machine Learning detection for dropped file 12->83 file5 signatures6 process7 dnsIp8 45 obologs.work.gd 194.55.186.82, 4044, 49696, 49697 MOD-EUNL Germany 16->45 47 geoplugin.net 178.237.33.50, 49699, 80 ATOM86-ASATOM86NL Netherlands 16->47 49 transfer.sh 16->49 35 C:\Users\user\AppData\Local\Temp\dwn.exe, PE32 16->35 dropped 37 C:\Users\user\AppData\...\Jutskdht[1].exe, PE32 16->37 dropped 65 Maps a DLL or memory area into another process 16->65 23 aspnet_compiler.exe 1 16->23         started        26 aspnet_compiler.exe 16->26         started        28 aspnet_compiler.exe 16->28         started        32 31 other processes 16->32 30 conhost.exe 21->30         started        file9 signatures10 process11 dnsIp12 67 Tries to steal Instant Messenger accounts or passwords 23->67 69 Tries to steal Mail credentials (via file / registry access) 23->69 51 transfer.sh 32->51 71 Machine Learning detection for dropped file 32->71 73 Tries to harvest and steal browser information (history, passwords, etc) 32->73 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28bf3db254e4ebed783a29d7b825f96ed5dc61ce29d9ee5cf4d14db0756b7b02/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-18 06:11:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fc7t3msu4tv626b2fhl3qjpzn3k5yyoofhm64xhu2fg3a5llpmba._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
masslogger
Create hunting rule
Similar samples:
4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f
RemcosRAT
4c26268e01117b5cf41d2f14689452912d708e64af0040ed75a40c94b0a943ea
RemcosRAT
592f15fec50eda79baadcb6bc5c4cb79de60e5bb285f20fb8e8927477495f065
RemcosRAT
7f89f38c1c2a3e42e7fe2d1c286816361fe77aa49d1d474de200df6eb2dbda81
RemcosRAT
9d724226a2a3c8676d4a58b64b636d9dcc178c1d40fcf321309afa14505cf285
RemcosRAT
ad87f3ad6fb14d2b79d7b7aac1b38bc04fd20757460da0f02cac139408df9969
RemcosRAT
e1eb708f47303b831f6eb0ddc846e21782e8f727dcb0088fcb997c3bf0d4dbd3
RemcosRAT
e68ebc948356b0560fee06f52939504005fd848a93ccc41b4840c1db318a5409
RemcosRAT
+ 3'396 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:lokibot family:remcos botnet:remotehost collection persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/221118-kwk9saha47/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Accesses Microsoft Outlook accounts
Accesses Microsoft Outlook profiles
Checks computer location settings
Downloads MZ/PE file
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Lokibot
Remcos
Malware Config
C2 Extraction:
obologs.work.gd:4044
http://23.239.31.197/?page=25137
http://kbfvzoboss.bid/alien/fre.php
http://alphastand.trade/alien/fre.php
http://alphastand.win/alien/fre.php
http://alphastand.top/alien/fre.php
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/bf567b2b-6faf-4c59-9737-4faec3312a3c
Unpacked files
SH256 hash:
28bf3db254e4ebed783a29d7b825f96ed5dc61ce29d9ee5cf4d14db0756b7b02
MD5 hash:
4b312ae24be76b86bc52ae6c44a39d72
SHA1 hash:
a69a7ae1d0600c41f1e03631fe02076b32ced6fa
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/957a5d00-50bc-4ce9-abe2-8450df74ae31/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/28bf3db254e4/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.

Cape
Cape
https://www.capesandbox.com/analysis/335702/

Comments