MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ae7dd99d6214b35fe4d225dd782ca41714ffd0b637d8db40fbb887e00807d288. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ae7dd99d6214b35fe4d225dd782ca41714ffd0b637d8db40fbb887e00807d288
SHA3-384 hash: c1c2e7e284ea5837a3307b838baa651308cc6a75e1ab5b7ea96626e4347c5fbfe25ee36ab9da8fb04fb8f64cd83e5eb3
SHA1 hash: bc2fe98a03d2196d02038c5c016f6e7a71529e9f
MD5 hash: b80d47598764ee94143290bb57428724
humanhash: august-cold-wolfram-kilo
File name:QUOTATION #46789RFQ_SUPLMS_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'404'928 bytes
First seen:2024-11-18 12:03:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:FX+izx1yUYSr7tqMO/7KgyfE75BP/+mgWdm/bTFcLKV:9Jzx9r7g1r2mgxvF
Threatray 47 similar samples on MalwareBazaar
TLSH T17B55BECA2FD78061E50AF8718F3B2E0417358E571A56DBE00ED715F09C7AA0E9A611EF
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 74ecccccdcd4c4c8 (5 x RemcosRAT, 2 x SnakeKeylogger, 2 x GuLoader)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
380
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUOTATION #46789RFQ_SUPLMS_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe
Verdict:
Suspicious activity
Analysis date:
2024-11-18 12:16:30 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/dfc60798-3732-4421-a51e-528b9bf19d16

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Autoruns.GenericKD.164.4609.5933.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=673b2efa5107a56eacc76c54
Tags:
autorun remcos gumen
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Running batch commands
Launching a process
Creating a file
Creating a file in the %AppData% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin masquerade obfuscated tracker vbnet
Link:
https://www.filescan.io/uploads/673b2d623d0d9f2bf1d894c1/reports/251f0c65-32ce-4211-8dc2-56c4527f3be0/overview
Verdict:
Malicious
Labled as:
Trojan.Autoruns.Generic
Link:
https://www.hybrid-analysis.com/sample/ae7dd99d6214b35fe4d225dd782ca41714ffd0b637d8db40fbb887e00807d288
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e691d6b6-88e2-4a41-b96d-44ef8caf16ec
Result
Threat name:
Remcos, DarkTortilla
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1557573
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected Remcos RAT
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Tries to delay execution (extensive OutputDebugStringW loop)
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1557573 Sample: QUOTATION #46789RFQ_SUPLMS_... Startdate: 18/11/2024 Architecture: WINDOWS Score: 100 50 windowslavesclient.duckdns.org 2->50 54 Suricata IDS alerts for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 62 14 other signatures 2->62 9 QUOTATION #46789RFQ_SUPLMS_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2 2->9         started        12 Photoes.exe 2 2->12         started        signatures3 60 Uses dynamic DNS services 50->60 process4 signatures5 72 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->72 14 cmd.exe 3 9->14         started        18 cmd.exe 1 9->18         started        74 Antivirus detection for dropped file 12->74 76 Multi AV Scanner detection for dropped file 12->76 78 Machine Learning detection for dropped file 12->78 80 3 other signatures 12->80 20 AddInProcess32.exe 3 12->20         started        process6 dnsIp7 44 C:\Users\user\AppData\Roaming\Photoes.exe, PE32 14->44 dropped 46 C:\Users\user\...\Photoes.exe:Zone.Identifier, ASCII 14->46 dropped 82 Uses ping.exe to sleep 14->82 23 Photoes.exe 2 14->23         started        26 conhost.exe 14->26         started        28 PING.EXE 1 14->28         started        30 PING.EXE 1 14->30         started        84 Uses ping.exe to check the status of other devices and networks 18->84 32 PING.EXE 1 18->32         started        35 conhost.exe 18->35         started        37 reg.exe 1 1 18->37         started        52 windowslavesclient.duckdns.org 192.169.69.26, 1604, 49876, 49887 WOWUS United States 20->52 86 Detected Remcos RAT 20->86 file8 signatures9 process10 dnsIp11 64 Writes to foreign memory regions 23->64 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->66 68 Injects a PE file into a foreign processes 23->68 39 AddInProcess32.exe 23->39         started        42 AddInProcess32.exe 23->42         started        48 127.0.0.1 unknown unknown 32->48 signatures12 process13 signatures14 70 Detected Remcos RAT 39->70
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ae7dd99d6214b35fe4d225dd782ca41714ffd0b637d8db40fbb887e00807d288
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ae7dd99d6214b35fe4d225dd782ca41714ffd0b637d8db40fbb887e00807d288/
Threat name:
Win32.Worm.AutoRun
Create hunting rule
Status:
Malicious
First seen:
2024-11-14 00:45:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
62
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vz65thlccszv7zgsexoxqlfec4kp7ufwg7mnwqh3xcd6acah2kea._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
064deb3a049649824ba5fe40a83eb6331bd4178cb5b847c08940794106fc3870
RemcosRAT
0d4bf4e1a47fa2cfdb5cdc23d8a2b1552c1d82c307e1eec95297e62a478d2f2d
RemcosRAT
39fe045b17ab2fcdb512758a431845409c29ca9341090ac81878658423c39129
RemcosRAT
8038ff6a41673eb151cdb7f03872c741dc762834c856d70030cd54af744e36a4
RemcosRAT
ae7dd99d6214b35fe4d225dd782ca41714ffd0b637d8db40fbb887e00807d288
RemcosRAT
dcbcfe00290d92cfea7ff37d322cf80991016d6379888cdaf27451c6543a894c
RemcosRAT
error
RemcosRAT
+ 37 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:host discovery persistence rat
Link:
https://tria.ge/reports/241118-n8mvxswcka/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Remcos
Remcos family
Malware Config
C2 Extraction:
windowslavesclient.duckdns.org:1604
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6b35d857-c121-4a36-b3d7-46436ef91976
Unpacked files
SH256 hash:
4210def5e1780e87bf9ad653bf8b0c56fc12d5e14cef110cef777a71459edcd9
MD5 hash:
81fbb473be38df030ff85eb1b61b87c3
SHA1 hash:
d144420b9c7f0a240d07ea274bf59afe29602451
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
Link:
https://www.unpac.me/results/c7a8207d-42ff-41a1-a6b8-49c6a10a7556/
SH256 hash:
cba0ebe8f2bcbd1647a8dcc5fffdfdb1cfd67da77628254dd79017dbc30ba4d4
MD5 hash:
e152e7c9d2892661e9e9688894dba4f4
SHA1 hash:
3906d59fcf24989b89592a484d088e45a3e3f7ee
Link:
https://www.unpac.me/results/c7a8207d-42ff-41a1-a6b8-49c6a10a7556/
SH256 hash:
ae7dd99d6214b35fe4d225dd782ca41714ffd0b637d8db40fbb887e00807d288
MD5 hash:
b80d47598764ee94143290bb57428724
SHA1 hash:
bc2fe98a03d2196d02038c5c016f6e7a71529e9f
Link:
https://www.unpac.me/results/c7a8207d-42ff-41a1-a6b8-49c6a10a7556/
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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

Malspam

RemcosRAT

Executable exe ae7dd99d6214b35fe4d225dd782ca41714ffd0b637d8db40fbb887e00807d288

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments