MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18e00d21907a737eec59f97a9729076836b34a26adb9a66f0e5b80a0cd2d7176. 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 7 File information Comments

SHA256 hash: 18e00d21907a737eec59f97a9729076836b34a26adb9a66f0e5b80a0cd2d7176
SHA3-384 hash: 220c4f064df4f080709cd0cdb2cdce7e5c185ba5aad3b275687527e07cc40c377fd2ebf1c0bcad834678e6b79fd3e2fc
SHA1 hash: ebe16eb5fcdf5a681acdff6c3ff14fe37b72998a
MD5 hash: 3e127879438db3d41868672aeb95ed7e
humanhash: diet-uniform-don-montana
File name:SecuriteInfo.com.Trojan.Siggen17.22061.21253.748
Download: download sample
Signature RemcosRAT
File size:1'330'688 bytes
First seen:2022-03-09 20:52:07 UTC
Last seen:2022-03-09 22:50:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:+8NAAlWJhOdBKTEncajBr1eNrZ1pkbZPi14JE9u:CAuOiQca9r1eT1p+ZP/O9
Threatray 6'753 similar samples on MalwareBazaar
TLSH T11D55CF6633D66A44D07FAB38A57804C047F47A0BEB10D79E3CC641DCAF72E8667526A3
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Creating a file in the %temp% directory
Launching a process
Creating a file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed remcos update.exe
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:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Detected Remcos RAT
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 586167 Sample: SecuriteInfo.com.Trojan.Sig... Startdate: 09/03/2022 Architecture: WINDOWS Score: 100 42 kamilaczap.myddns.me 2->42 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 5 other signatures 2->60 8 SecuriteInfo.com.Trojan.Siggen17.22061.21253.exe 4 2->8         started        signatures3 process4 file5 34 SecuriteInfo.com.T...22061.21253.exe.log, ASCII 8->34 dropped 36 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 8->36 dropped 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->62 12 cmd.exe 3 8->12         started        16 cmd.exe 1 8->16         started        signatures6 process7 file8 38 C:\Users\user\AppData\Roaming\cmssf.exe, PE32 12->38 dropped 40 C:\Users\user\...\cmssf.exe:Zone.Identifier, ASCII 12->40 dropped 64 Uses ping.exe to sleep 12->64 18 cmssf.exe 2 12->18         started        21 PING.EXE 1 12->21         started        24 conhost.exe 12->24         started        26 PING.EXE 1 12->26         started        66 Uses ping.exe to check the status of other devices and networks 16->66 28 reg.exe 1 1 16->28         started        30 PING.EXE 1 16->30         started        32 conhost.exe 16->32         started        signatures9 process10 dnsIp11 48 Multi AV Scanner detection for dropped file 18->48 50 Machine Learning detection for dropped file 18->50 44 192.168.2.1 unknown unknown 21->44 52 Creates an undocumented autostart registry key 28->52 46 127.0.0.1 unknown unknown 30->46 signatures12
Threat name:
ByteCode-MSIL.Trojan.Rescoms
Status:
Malicious
First seen:
2022-03-09 17:41:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
223
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Modifies WinLogon for persistence
Remcos
Malware Config
C2 Extraction:
kamilaczap.myddns.me:8382
Unpacked files
SH256 hash:
7d170109f352f251d7ac012882e005b059b0db5ecce7520acf7be2ba8f13792a
MD5 hash:
72403055ee098f50bcc8a238fdbef878
SHA1 hash:
eb5ed9b38f5a23bb00b221acf3f7233aa2e9299d
SH256 hash:
a3b7c7e13faf4eb1d33abcc0c2c378e0412f2241e9f9de661fdd1a5bd6c0164d
MD5 hash:
6edd6a1e7fe469ac59a21fa2f90065bb
SHA1 hash:
a45bfbfb7e26757205b0da50d67aacef7ded013b
SH256 hash:
fc4b5f53362334630b1f94201178275ecfb79ef4f4610c2211d146d791b29c27
MD5 hash:
4ec66a90617192d4ec943da97c64c622
SHA1 hash:
6c8de23a2b4b5cfdd04f5b8a02d6e9c74ae1f39a
SH256 hash:
2d0dc6216f613ac7551a7e70a798c22aee8eb9819428b1357e2b8c73bef905ad
MD5 hash:
0e362e7005823d0bec3719b902ed6d62
SHA1 hash:
590d860b909804349e0cdc2f1662b37bd62f7463
SH256 hash:
a4ad262051ed2de2d106d703645a4a5a67d039881e6367e842f32f4a19d74f86
MD5 hash:
05fcbc9d79fd6f5e3147e636f9b413c2
SHA1 hash:
58cfe2bf03ec5d28a3dae3344ae3ea8c17a64593
SH256 hash:
18e00d21907a737eec59f97a9729076836b34a26adb9a66f0e5b80a0cd2d7176
MD5 hash:
3e127879438db3d41868672aeb95ed7e
SHA1 hash:
ebe16eb5fcdf5a681acdff6c3ff14fe37b72998a
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:ach_RemcosRAT
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments