MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aeb68306ca8e87ec5421349055053758fe1dcb293f75aac568b6b1752c1ab631. 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 13 File information Comments

SHA256 hash: aeb68306ca8e87ec5421349055053758fe1dcb293f75aac568b6b1752c1ab631
SHA3-384 hash: b389952621d0701aa1eaaefce2316b04c32d3dc180a2e1d9719808a574b484b5decb12802b60b9a447797d01f183e0fb
SHA1 hash: aa8b5aca725f9eacd795d5dc69dc58dcd15069ad
MD5 hash: 1115c83e377b8e81d2070ea553389325
humanhash: potato-video-ceiling-papa
File name:2022-11-2 报价请求.PDF.exe
Download: download sample
Signature RemcosRAT
File size:783'360 bytes
First seen:2022-11-05 06:17:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:Nt0UouHH1J+0nFTVIAsTfGXbbpI3rZ5yw93VUoEMjfBzN42X/mS/OUWi/rBvC3su:NMu1vFTaAsDUlI3rZ5ywlpEMtlX/mUOR
Threatray 7'182 similar samples on MalwareBazaar
TLSH T12CF423D216E6C924E9EDC2F10CD35058533FAC2EE537FBBC26006565262E76FC424BA6
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon d4d6d4d4d4d4f4d4 (7 x AgentTesla, 6 x SnakeKeylogger, 3 x Loki)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
173
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2022-11-2 报价请求.PDF.exe
Verdict:
No threats detected
Analysis date:
2022-11-05 06:20:41 UTC
Tags:
n/a

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

Behaviour
Creating a window
Launching a process
Forced system process termination
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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)
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: Remcos
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 738693 Sample: 2022-11-2 #U62a5#U4ef7#U8bf... Startdate: 05/11/2022 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic 2->44 46 Multi AV Scanner detection for domain / URL 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 12 other signatures 2->50 8 2022-11-2 #U62a5#U4ef7#U8bf7#U6c42.PDF.exe 3 2->8         started        process3 file4 30 2022-11-2 #U62a5#U...7#U6c42.PDF.exe.log, ASCII 8->30 dropped 52 Injects a PE file into a foreign processes 8->52 12 2022-11-2 #U62a5#U4ef7#U8bf7#U6c42.PDF.exe 2 17 8->12         started        signatures5 process6 dnsIp7 34 valvesco.duckdns.org 85.31.46.94, 49695, 49696, 5050 CLOUDCOMPUTINGDE Germany 12->34 36 geoplugin.net 178.237.33.50, 49697, 80 ATOM86-ASATOM86NL Netherlands 12->36 32 C:\ProgramData\remcos\logs.dat, data 12->32 dropped 54 Maps a DLL or memory area into another process 12->54 56 Installs a global keyboard hook 12->56 17 2022-11-2 #U62a5#U4ef7#U8bf7#U6c42.PDF.exe 1 12->17         started        20 2022-11-2 #U62a5#U4ef7#U8bf7#U6c42.PDF.exe 1 12->20         started        22 2022-11-2 #U62a5#U4ef7#U8bf7#U6c42.PDF.exe 1 12->22         started        24 30 other processes 12->24 file8 signatures9 process10 signatures11 38 Tries to steal Instant Messenger accounts or passwords 17->38 40 Tries to steal Mail credentials (via file / registry access) 17->40 42 Tries to harvest and steal browser information (history, passwords, etc) 24->42 26 WerFault.exe 24->26         started        28 WerFault.exe 24->28         started        process12
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-11-02 01:27:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
29 of 40 (72.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c289ec2f57b341220c33145c8b6474d1011d387ab39dacb7b17d69c359548448
MD5 hash:
bd2adeed00397e7545a539d761458af9
SHA1 hash:
b5a1cbca39c6923308f914accf611771996f7097
Detections:
Remcos win_remcos_auto
SH256 hash:
52325843e14150e9347eafb3e7289dbab58484506c93052624ef624c26be6f28
MD5 hash:
434028e5fd39039103693772a93408ae
SHA1 hash:
a055a625c7878a8f07d0d31371d85964ae19c153
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
8354a7ad0499febdd288542828ad0355dcb7054c0c518266208e571c5122b0c6
MD5 hash:
6bfc7ce9ec7891d9d8494454332099b5
SHA1 hash:
34fc8cebba035e2cc6d27d636f9655949080bf8e
SH256 hash:
f3d1ad2bf0661a9e2a8e51c2b79dd913e38505409cdf71bfbff862a8c6d34d76
MD5 hash:
3c9aa83435aa3e56005e84d12155e7f8
SHA1 hash:
222114755d4c9ea31223c097e7ccd7014a631dd6
SH256 hash:
aeb68306ca8e87ec5421349055053758fe1dcb293f75aac568b6b1752c1ab631
MD5 hash:
1115c83e377b8e81d2070ea553389325
SHA1 hash:
aa8b5aca725f9eacd795d5dc69dc58dcd15069ad
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:INDICATOR_EXE_Packed_MPress
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_imphash
Rule name:QbotStuff
Author:anonymous
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Rule name:win_remcos_auto
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 aeb68306ca8e87ec5421349055053758fe1dcb293f75aac568b6b1752c1ab631

(this sample)

  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment

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