MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20a6b7999fb3ff90688026a1c27ba38b36a2b164f949fc340373832388abf727. 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 3 File information Comments 1

SHA256 hash: 20a6b7999fb3ff90688026a1c27ba38b36a2b164f949fc340373832388abf727
SHA3-384 hash: 73de8033e769e7328a166e1eeb29cfa875ac4e6e39a83ea2c1625a2f7499347aef519f99ab6ffda10c1817fef3cb07c5
SHA1 hash: 33fcb9720d1995b44b04851ef407e6ad0e50a268
MD5 hash: a4b8aa74ad2cbd0637fde253fe274e83
humanhash: venus-zebra-echo-cat
File name:a4b8aa74ad2cbd0637fde253fe274e83
Download: download sample
Signature RemcosRAT
File size:1'412'608 bytes
First seen:2024-01-26 14:56:01 UTC
Last seen:2024-01-26 16:30:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:BAHnh+eWsN3skA4RV1Hom2KXMmHadTm8wSntzVmaziyUqtkRzUhUzLqtkg5:Yh+ZkldoPK8YadHw812BjRzUhwLqtT
TLSH T14265AE0263F19036FEEE92735B65B2C346BD6D650123851F13983D69A9703B13EED2E2
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10523/12/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 85e0d4ccccd4e886 (1 x RemcosRAT, 1 x RedLineStealer)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
323
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4f0d23f14800f69008bb2c8be79d35b003614326e423946bb54ac4b5efc8dad7.doc
Verdict:
Malicious activity
Analysis date:
2024-01-26 13:37:08 UTC
Tags:
exploit cve-2017-11882 loader

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

Behaviour
Creating a window
Creating a file in the %temp% directory
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit fingerprint keylogger lolbin packed shell32
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.
Result
Threat name:
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Drops VBS files to the startup folder
Found malware configuration
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 submitted file
Sigma detected: Drops script at startup location
Snort IDS alert for network traffic
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)
Tries to steal Mail credentials (via file registry)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1381733 Sample: a5af5mVOHG.exe Startdate: 26/01/2024 Architecture: WINDOWS Score: 100 34 geoplugin.net 2->34 48 Snort IDS alert for network traffic 2->48 50 Multi AV Scanner detection for domain / URL 2->50 52 Found malware configuration 2->52 54 10 other signatures 2->54 8 a5af5mVOHG.exe 6 2->8         started        12 wscript.exe 1 2->12         started        signatures3 process4 file5 28 C:\Users\user\AppData\Local\...\name.exe, PE32 8->28 dropped 64 Binary is likely a compiled AutoIt script file 8->64 14 name.exe 3 19 8->14         started        66 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->66 19 name.exe 2 12->19         started        signatures6 process7 dnsIp8 36 107.175.229.139, 49714, 49715, 8087 AS-COLOCROSSINGUS United States 14->36 38 geoplugin.net 178.237.33.50, 49716, 80 ATOM86-ASATOM86NL Netherlands 14->38 30 C:\Users\user\AppData\Roaming\aka\yes.png, data 14->30 dropped 32 C:\Users\user\AppData\Roaming\...\name.vbs, data 14->32 dropped 40 Contains functionality to bypass UAC (CMSTPLUA) 14->40 42 Tries to steal Mail credentials (via file registry) 14->42 44 Binary is likely a compiled AutoIt script file 14->44 46 9 other signatures 14->46 21 name.exe 1 14->21         started        24 name.exe 1 14->24         started        26 name.exe 2 14->26         started        file9 signatures10 process11 signatures12 56 Binary is likely a compiled AutoIt script file 21->56 58 Tries to steal Instant Messenger accounts or passwords 21->58 60 Tries to harvest and steal browser information (history, passwords, etc) 21->60 62 Tries to steal Mail credentials (via file / registry access) 24->62
Threat name:
Win32.Trojan.Remcos
Status:
Malicious
First seen:
2024-01-26 14:57:05 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Unpacked files
SH256 hash:
6edc7cb5271655eb893ef15120eff10cc6cc139512a0c242f91b90fba27076af
MD5 hash:
fb706c71306d377d489c6f7f4e4e3232
SHA1 hash:
52864807a001f968c7d7ce929d70793bf86bc6aa
Detections:
Remcos win_remcos_w0 win_remcos_auto malware_windows_remcos_rat INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
SH256 hash:
20a6b7999fb3ff90688026a1c27ba38b36a2b164f949fc340373832388abf727
MD5 hash:
a4b8aa74ad2cbd0637fde253fe274e83
SHA1 hash:
33fcb9720d1995b44b04851ef407e6ad0e50a268
Detections:
AutoIT_Compiled SUSP_Imphash_Mar23_3
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SUSP_Imphash_Mar23_3
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research

File information


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

Web download

RemcosRAT

Executable exe 20a6b7999fb3ff90688026a1c27ba38b36a2b164f949fc340373832388abf727

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-01-26 14:56:02 UTC

url : hxxp://sinopecllc.top/_errorpages/POSALESTRE09.exe