MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 daff6ed76092cbee2ba195c52fe0d91888910706a5a43629973dc5aa19cccf86. 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
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SHA256 hash: daff6ed76092cbee2ba195c52fe0d91888910706a5a43629973dc5aa19cccf86
SHA3-384 hash: 7ae9bef1e9e1970498bcbd31be14e5e4cd3edecbb5c27ba6f1afbff826aeaf0c690c2a36c62467531453c2e7956e325c
SHA1 hash: 9d4c80d719a4c1c7f2b12659c80c70c926aaefb6
MD5 hash: 4b5a014828c47f207836df686e57f820
humanhash: football-steak-apart-happy
File name:TDQ00090.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'577'984 bytes
First seen:2024-01-08 17:42:52 UTC
Last seen:2024-01-09 04:39:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 49152:ATvC/MTQYxsWR7aYoZ2J4TApMnJLrQ1r:ojTQYxsWRMi4T+MJYt
Threatray 1'748 similar samples on MalwareBazaar
TLSH T11775C01333809056FFAB99734E9AF61147F869678123E52F13A83E7AB970572022F753
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
dhash icon f2a6a4a4a0a0a0d8 (1 x RemcosRAT)
Reporter Anonymous
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
385
Origin country :
CH CH
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/469907/
Detection(s):
SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit bladabindi control darkkomet greyware keylogger lolbin packed remcos shell32 threat
Link:
https://www.filescan.io/uploads/659c34288369fab94de7e459/reports/22da63f5-d8d4-4003-94b0-a5e445a52984/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/daff6ed76092cbee2ba195c52fe0d91888910706a5a43629973dc5aa19cccf86
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:
LockBit Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a1331804-ee60-4f46-be8e-99cd67c42e0c
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1371395
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 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
Creates autostart registry keys with suspicious names
Delayed program exit found
Downloads suspicious files via Chrome
Drops VBS files to the startup folder
Found API chain indicative of sandbox detection
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
Sigma detected: Remcos
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1371395 Sample: TDQ00090.exe Startdate: 08/01/2024 Architecture: WINDOWS Score: 100 92 www.msn.com 2->92 94 sni1gl.wpc.nucdn.net 2->94 96 8 other IPs or domains 2->96 112 Snort IDS alert for network traffic 2->112 114 Multi AV Scanner detection for domain / URL 2->114 116 Found malware configuration 2->116 118 14 other signatures 2->118 15 TDQ00090.exe 6 2->15         started        19 remcos.exe 2->19         started        21 msedge.exe 15 345 2->21         started        24 3 other processes 2->24 signatures3 process4 dnsIp5 76 C:\Users\user\AppData\Local\...\extrorsal.exe, PE32 15->76 dropped 108 Binary is likely a compiled AutoIt script file 15->108 26 extrorsal.exe 2 6 15->26         started        30 remcos.exe 19->30         started        98 239.255.255.250 unknown Reserved 21->98 78 C:\Users\user\AppData\...\content_new.js, Unicode 21->78 dropped 80 C:\Users\user\AppData\Local\...\content.js, Unicode 21->80 dropped 82 C:\Users\user\...\page_embed_script.js, ASCII 21->82 dropped 84 C:\Users\user\...\eventpage_bin_prod.js, ASCII 21->84 dropped 32 msedge.exe 21->32         started        35 msedge.exe 21->35         started        110 Windows Scripting host queries suspicious COM object (likely to drop second stage) 24->110 37 extrorsal.exe 24->37         started        file6 signatures7 process8 dnsIp9 70 C:\ProgramData\Remcos\remcos.exe, PE32 26->70 dropped 72 C:\Users\user\AppData\...\extrorsal.vbs, data 26->72 dropped 132 Contains functionality to bypass UAC (CMSTPLUA) 26->132 134 Binary is likely a compiled AutoIt script file 26->134 136 Contains functionalty to change the wallpaper 26->136 138 7 other signatures 26->138 39 remcos.exe 2 3 26->39         started        42 remcos.exe 30->42         started        86 13.107.22.239, 443, 49770, 49771 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 32->86 88 googlehosted.l.googleusercontent.com 142.250.190.33, 443, 49728 GOOGLEUS United States 32->88 90 7 other IPs or domains 32->90 file10 signatures11 process12 dnsIp13 120 Antivirus detection for dropped file 39->120 122 Machine Learning detection for dropped file 39->122 124 Found API chain indicative of sandbox detection 39->124 126 Writes to foreign memory regions 39->126 46 iexplore.exe 2 39->46         started        100 107.175.229.139, 49760, 49761, 8087 AS-COLOCROSSINGUS United States 42->100 102 geoplugin.net 178.237.33.50, 49762, 80 ATOM86-ASATOM86NL Netherlands 42->102 74 C:\ProgramData\Remcos\logs.dat, data 42->74 dropped 128 Binary is likely a compiled AutoIt script file 42->128 130 Maps a DLL or memory area into another process 42->130 49 remcos.exe 42->49         started        51 remcos.exe 42->51         started        53 remcos.exe 42->53         started        file14 signatures15 process16 signatures17 55 iexplore.exe 46->55         started        140 Binary is likely a compiled AutoIt script file 49->140 142 Tries to steal Instant Messenger accounts or passwords 49->142 144 Tries to steal Mail credentials (via file / registry access) 49->144 146 Tries to harvest and steal browser information (history, passwords, etc) 51->146 process18 process19 57 iexplore.exe 69 99 55->57         started        process20 59 iexplore.exe 6 48 57->59         started        dnsIp21 104 sb.scorecardresearch.com 18.160.200.6, 443, 49740, 49741 MIT-GATEWAYSUS United States 59->104 106 code.jquery.com 151.101.194.137, 443, 49746, 49747 FASTLYUS United States 59->106 62 ie_to_edge_stub.exe 1 59->62         started        64 ssvagent.exe 501 59->64         started        process22 process23 66 msedge.exe 10 62->66         started        process24 68 msedge.exe 66->68         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/daff6ed76092cbee2ba195c52fe0d91888910706a5a43629973dc5aa19cccf86
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/daff6ed76092cbee2ba195c52fe0d91888910706a5a43629973dc5aa19cccf86/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-01-08 06:13:02 UTC
File Type:
PE (Exe)
Extracted files:
25
AV detection:
12 of 37 (32.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3l7w5v3aslf64k5bsxcs7ygzdcejcbyguwsdmkmxhxc2ugomz6da._file
Verdict:
unknown
Similar samples:
1201bf878caa54aca39c6973c193210786509f098f5b9da23a03258cc278f5e3
RemcosRAT
1f351c6e17a289120d35fe4a1f0bbcdabd289d91fb249162fae7c50f3e3f4618
RemcosRAT
4b8896554332d025010afb7c2d634ae9ff5294433f534652aa1cf0cf2a0b1ac1
RemcosRAT
54375a390c52d783d96492938d05920567a0232c2c22436161e83f21745b7711
RemcosRAT
b9f69c03f5d2f0190f98375d442160b4bf00071f5f4845a1152299c0430f8744
RemcosRAT
c70ba8369d587d514b1b6a783708af9fd8b9f3fd08f4db7dd21d1e81f2136516
RemcosRAT
fc68214ae21bb693cb4dd555bc8eb14fec2d9086da96edbcf8e13bf825c41bce
RemcosRAT
+ 1'738 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240108-waka5seefj/
Behaviour
Suspicious use of WriteProcessMemory
AutoIT Executable
Drops startup file
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
95dfdb588c7018babd55642c48f6bed1c281cecccbd522dd40b8bea663686f30
MD5 hash:
8d3c6a404a9b6526d082de3e0370e10e
SHA1 hash:
bef3f3c4d9b076a60bdb047f5b8439662691b1d3
Detections:
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/f25762f2-71bc-4cbf-8e2d-1b0f57998421/
Parent samples :
8a52d87aa80812e9d072f7f197f320f8a7d253ddc1a6070b014cb35189d3fddd
123c4f2b6906e48abd2d541d78d10500e458804bfd9f83650d1a748511a7857f
77d2129f3e711b02b280dc1ebbd724abd4091818b49c40a2c984835be121b993
daff6ed76092cbee2ba195c52fe0d91888910706a5a43629973dc5aa19cccf86
cc3a1b5d38511917728521771d1c0137aa5851b35796ed74faf3d30124144277
fdf9b8a9bb4b5c3c05290c2687a22b05c3f3ce41800194ffc0a9485fdad307bc
6dc70b0f41774c0a54daf73b2250f57cab43490b8e760d1f5d9416dc3a911679
c7f390ce3d021724c94adc4ac29807f4ecf8e3c1eb5b17e3b38808904a53c01f
9056f6f0607b94a11f0e53f7c54c605e66479d0219ffb9e7a45f1c439da2dce6
941bc5007548c0cb686ab3be24682bb564375c950423459a159d262d037361ff
SH256 hash:
daff6ed76092cbee2ba195c52fe0d91888910706a5a43629973dc5aa19cccf86
MD5 hash:
4b5a014828c47f207836df686e57f820
SHA1 hash:
9d4c80d719a4c1c7f2b12659c80c70c926aaefb6
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/f25762f2-71bc-4cbf-8e2d-1b0f57998421/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/daff6ed76092cbee2ba195c52fe0d91888910706a5a43629973dc5aa19cccf86

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
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)

File information

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

Malspam

RemcosRAT

Executable exe daff6ed76092cbee2ba195c52fe0d91888910706a5a43629973dc5aa19cccf86

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/469907/

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