MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d99b0d328a7e19981cc4e1dcfbdeb336c84577a020bd4a84d72d28a7930282ea. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d99b0d328a7e19981cc4e1dcfbdeb336c84577a020bd4a84d72d28a7930282ea
SHA3-384 hash: e5521cf9d4ab3322d324add4961680917d35f2df416d7d2543dcd0216724f0f8859c8bf6e64a03598adc488f9bf1210f
SHA1 hash: dff9f26f6e7a1f5ac89e16d77fb9dc06aeebc335
MD5 hash: 89a87ed8092d8339f82348ed81e89e37
humanhash: arizona-finch-arkansas-mirror
File name:Inquiry - HKAS2200989.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'302'528 bytes
First seen:2022-10-16 13:17:45 UTC
Last seen:2022-10-16 13:50:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:nag2aA9imMt8WlH9HIuUHPtd6L3IFTLgcNseU5WL+tAtQy4A:ag2rhMtLouUHPtd6LknHGeU5WvX
Threatray 2'905 similar samples on MalwareBazaar
TLSH T10955ADBE16994607E8153270D883D2F32AFBAD606061D1CB5AD72F6FBC542BF9603346
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9aa298d4d4b8a29a (18 x SnakeKeylogger, 10 x Formbook, 5 x Loki)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
428
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/320662/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.44941.14740.19027.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/634c048b66721ebd9b2ea133/reports/79cb8614-41f5-439a-97d2-83d9130b7cbd/overview
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:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/eacc627d-5fd9-44f3-859a-971de34caae8
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1091389
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d99b0d328a7e19981cc4e1dcfbdeb336c84577a020bd4a84d72d28a7930282ea/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-10-11 04:36:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3gnq2mukpymzqhge4hopxxvtg3eek55aec6uvbgxfuukpeycqlva._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
04a15b34b627794caf34f7277c8663ea7a75d32576f6484dc85ba2bfcbe39bfd
RemcosRAT
0773f517b40992fd3e6291eb906558588f1de9e3887bb2433f95bb4ea9f5904a
RemcosRAT
2cf1525cdb58ec9e5d47e5c66619b9cf2966155ece68a66e9bf935369971ccdc
RemcosRAT
31edb5c9a0590d100f941cfcb0c142abf141fba4a90c6bddb6c7fc59b4475f28
RemcosRAT
3e0bcdfffded9aaede7644824841490767cf472e2dafebdc04b090870853d8ac
RemcosRAT
788a6a0d67e10a4235043d0f12cc5841ab77bac0518842aea964e720318f674d
RemcosRAT
a4f1f9124305cce82a6b8c70ccde9b4d646103f5b320bd766ad53fcd5a19ff08
RemcosRAT
c751eef24ba7492781e43c5034f1175ec098ebc72602e68822fd4c09cac0b9bb
RemcosRAT
da780e7f18a59bf4184769099656b951986ff9915e684a7d9c063f471f4f6876
RemcosRAT
+ 2'895 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:new rem stub rat
Link:
https://tria.ge/reports/221016-qjybgahedl/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
valvesco.duckdns.org:5050
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c301f662-1a11-4572-8c75-bf04ce692a2f
Unpacked files
SH256 hash:
07cbe2e201c9fe01962bfa000a6e891b747bf0ac2cd214c16fa4e88aa7c68784
MD5 hash:
430edd36f9538224d741fe3ef527e812
SHA1 hash:
ed3a2416f8164e8eca73813180aa5feea26c5d6b
Link:
https://www.unpac.me/results/dc349f1e-cc3b-4ba3-aa51-fd208edd60e6/
SH256 hash:
af7ac1171b44c9a949ad80bfaf05095048d0b74cfb527f66479e22f47d340110
MD5 hash:
f696dc0e00cb8f70799ac3fcaa5f9f6a
SHA1 hash:
cde2283de5b89639ea52f6388feef8f77efc63ce
Link:
https://www.unpac.me/results/dc349f1e-cc3b-4ba3-aa51-fd208edd60e6/
SH256 hash:
c289ec2f57b341220c33145c8b6474d1011d387ab39dacb7b17d69c359548448
MD5 hash:
bd2adeed00397e7545a539d761458af9
SHA1 hash:
b5a1cbca39c6923308f914accf611771996f7097
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/dc349f1e-cc3b-4ba3-aa51-fd208edd60e6/
Parent samples :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 hash:
70dfa4c873605ab0fcdcb62be2a970da110535280d8dc88261edbe1ed2865307
MD5 hash:
d5b0f8aff064b3e828421b48efccd312
SHA1 hash:
724f4bc7ab4e08c45562748b739c8f7496a5ad8f
Link:
https://www.unpac.me/results/dc349f1e-cc3b-4ba3-aa51-fd208edd60e6/
SH256 hash:
b1407be90cb358cee00dd2f01ba54900f0dbde494da2f3ed596ecfc0f768fcad
MD5 hash:
abe055f57709b273cab9d44f6a494145
SHA1 hash:
0878da2041188988551085b6a98b3597ef622d5d
Link:
https://www.unpac.me/results/dc349f1e-cc3b-4ba3-aa51-fd208edd60e6/
SH256 hash:
d99b0d328a7e19981cc4e1dcfbdeb336c84577a020bd4a84d72d28a7930282ea
MD5 hash:
89a87ed8092d8339f82348ed81e89e37
SHA1 hash:
dff9f26f6e7a1f5ac89e16d77fb9dc06aeebc335
Link:
https://www.unpac.me/results/dc349f1e-cc3b-4ba3-aa51-fd208edd60e6/
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/d99b0d328a7e19981cc4e1dcfbdeb336c84577a020bd4a84d72d28a7930282ea

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

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

Malspam

RemcosRAT

Executable exe d99b0d328a7e19981cc4e1dcfbdeb336c84577a020bd4a84d72d28a7930282ea

(this sample)

  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/320662/

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