MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 95b3f7188841699215c7044eadc8ac6beaa37b03aa08eef6bd6ae9e2af19481d. 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 7 File information Comments

SHA256 hash: 95b3f7188841699215c7044eadc8ac6beaa37b03aa08eef6bd6ae9e2af19481d
SHA3-384 hash: 3b785719a1997d47ef4bd520911b20b969021288cfe792682bd6de553430174d224746fcb83a0f8acd2147490694b9dd
SHA1 hash: 7562dfc84014b6f2b22f3f2dc6591c036fb9fe35
MD5 hash: aba382a7f9d71fd38c45d66ec07714c7
humanhash: xray-edward-minnesota-enemy
File name:aba382a7f9d71fd38c45d66ec07714c7.exe
Download: download sample
Signature RemcosRAT
File size:2'169'160 bytes
First seen:2022-08-29 07:52:20 UTC
Last seen:2022-08-29 08:49:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 49152:IYyLWRv988NO1a0WVIZpeBw9aVHDiQ6HECdg24L1X+rE:uLW19b70C2QV+Q6HpO24L1X+
Threatray 201 similar samples on MalwareBazaar
TLSH T1CFA5D02A22402C71E46F4A12A70E63C545DA6786536BB0D934E94A0D4BFB3334E7F5BF
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
302
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
aba382a7f9d71fd38c45d66ec07714c7.exe
Verdict:
Suspicious activity
Analysis date:
2022-08-29 07:53:47 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
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay 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:
AsyncRAT, PrivateLoader, Remcos, Xmrig
Detection:
malicious
Classification:
rans.troj.spyw.evad.mine
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to many ports of the same IP (likely port scanning)
Detected Stratum mining protocol
Found hidden mapped module (file has been removed from disk)
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Modifies power options to not sleep / hibernate
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses powercfg.exe to modify the power settings
Writes many files with high entropy
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected PrivateLoader
Yara detected Remcos RAT
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 692216 Sample: cifI80XiC4.exe Startdate: 29/08/2022 Architecture: WINDOWS Score: 100 79 Snort IDS alert for network traffic 2->79 81 Multi AV Scanner detection for domain / URL 2->81 83 Malicious sample detected (through community Yara rule) 2->83 85 17 other signatures 2->85 9 cifI80XiC4.exe 3 2->9         started        13 svchost.exe 2->13         started        15 svchost.exe 1 2->15         started        17 7 other processes 2->17 process3 dnsIp4 55 C:\Users\user\AppData\...\cifI80XiC4.exe.log, ASCII 9->55 dropped 91 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->91 93 Writes to foreign memory regions 9->93 95 Injects a PE file into a foreign processes 9->95 20 InstallUtil.exe 2 65 9->20         started        97 Changes security center settings (notifications, updates, antivirus, firewall) 13->97 25 MpCmdRun.exe 1 13->25         started        99 System process connects to network (likely due to code injection or exploit) 15->99 61 127.0.0.1 unknown unknown 17->61 file5 signatures6 process7 dnsIp8 63 cothdesigns.com 37.139.129.221, 3456, 443, 49721 LVLT-10753US Germany 20->63 65 geoplugin.net 178.237.33.50, 49723, 80 ATOM86-ASATOM86NL Netherlands 20->65 47 C:\Users\user\AppData\Local\...\jjxpiezf.exe, PE32+ 20->47 dropped 49 C:\Users\user\...\time_20220831_094501.dat, data 20->49 dropped 51 C:\Users\user\...\time_20220831_084500.dat, data 20->51 dropped 53 45 other malicious files 20->53 dropped 87 Writes many files with high entropy 20->87 89 Installs a global keyboard hook 20->89 27 jjxpiezf.exe 7 20->27         started        31 conhost.exe 25->31         started        file9 signatures10 process11 file12 57 C:\Users\user\AppData\Roaming\...\WR64.sys, PE32+ 27->57 dropped 59 C:\Users\user\AppData\Roaming\B31F.tmp, PE32+ 27->59 dropped 101 Antivirus detection for dropped file 27->101 103 Machine Learning detection for dropped file 27->103 105 Writes to foreign memory regions 27->105 107 4 other signatures 27->107 33 cmd.exe 1 27->33         started        36 svchost.exe 27->36         started        signatures13 process14 dnsIp15 71 Uses powercfg.exe to modify the power settings 33->71 73 Modifies power options to not sleep / hibernate 33->73 39 conhost.exe 33->39         started        41 powercfg.exe 1 33->41         started        43 powercfg.exe 1 33->43         started        45 2 other processes 33->45 67 xmr.2miners.com 51.89.96.41, 2222, 49743 OVHFR France 36->67 69 cothdesigns.com 36->69 75 Query firmware table information (likely to detect VMs) 36->75 signatures16 77 Detected Stratum mining protocol 67->77 process17
Threat name:
ByteCode-MSIL.Downloader.Seraph
Status:
Malicious
First seen:
2022-08-28 17:43:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
17 of 41 (41.46%)
Threat level:
  3/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:220827 rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
cothdesigns.com:3456
Unpacked files
SH256 hash:
5da94504102b7f25448f520bf9d263e3ab575fb0dfa1a27fbc802494ccc01960
MD5 hash:
0de74c258f8d4c7bea8b24edbdf9b5b5
SHA1 hash:
d6576606dc928ef2e8c6010d9273689670acb565
SH256 hash:
95b3f7188841699215c7044eadc8ac6beaa37b03aa08eef6bd6ae9e2af19481d
MD5 hash:
aba382a7f9d71fd38c45d66ec07714c7
SHA1 hash:
7562dfc84014b6f2b22f3f2dc6591c036fb9fe35
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_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
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: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.

Web download

RemcosRAT

Executable exe 95b3f7188841699215c7044eadc8ac6beaa37b03aa08eef6bd6ae9e2af19481d

(this sample)

  
Delivery method
Distributed via web download

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