MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f89f38c1c2a3e42e7fe2d1c286816361fe77aa49d1d474de200df6eb2dbda81. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments 1

SHA256 hash: 7f89f38c1c2a3e42e7fe2d1c286816361fe77aa49d1d474de200df6eb2dbda81
SHA3-384 hash: 2c68bbbc38cfd81849adf3023ac3f8fb0a0d64bf7cca3f5e379646b5fba1c9ac3720abf62d9f0d22c9eb1b78a3007751
SHA1 hash: 31e684bee805eefb82bccad29d6597bf54e33212
MD5 hash: 7f032de24fb1278bf91ec8ae29b7d6c3
humanhash: seventeen-fix-paris-idaho
File name:7f032de24fb1278bf91ec8ae29b7d6c3
Download: download sample
Signature RemcosRAT
File size:1'024'512 bytes
First seen:2022-09-10 01:38:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:444443yaDTaa5SSxS4kSOKZ9HgsamY7nuNChOCYjp+qL4444:0jLxSQ2N7uNChTz
Threatray 2'178 similar samples on MalwareBazaar
TLSH T1732522FD675CCA26C89E5975D46360C70272AE22F423EB8BF5C07AFE78677610602493
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
362
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
7f032de24fb1278bf91ec8ae29b7d6c3
Verdict:
Malicious activity
Analysis date:
2022-09-10 01:39:16 UTC
Tags:
rat remcos

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
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
keylogger 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:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
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)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 700598 Sample: d2Tl8DKpKe.exe Startdate: 10/09/2022 Architecture: WINDOWS Score: 100 60 Multi AV Scanner detection for domain / URL 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus detection for dropped file 2->64 66 9 other signatures 2->66 10 d2Tl8DKpKe.exe 3 2->10         started        13 iys.exe 2 2->13         started        16 iys.exe 2 2->16         started        process3 file4 48 C:\Users\user\AppData\...\d2Tl8DKpKe.exe.log, ASCII 10->48 dropped 18 d2Tl8DKpKe.exe 4 4 10->18         started        21 d2Tl8DKpKe.exe 10->21         started        23 d2Tl8DKpKe.exe 10->23         started        70 Injects a PE file into a foreign processes 13->70 25 iys.exe 13->25         started        27 iys.exe 16->27         started        signatures5 process6 file7 42 C:\Users\user\AppData\Roaming\iys.exe, PE32 18->42 dropped 44 C:\Users\user\...\iys.exe:Zone.Identifier, ASCII 18->44 dropped 46 C:\Users\user\AppData\Local\...\install.vbs, data 18->46 dropped 29 wscript.exe 1 18->29         started        process8 process9 31 cmd.exe 1 29->31         started        process10 33 iys.exe 3 31->33         started        36 conhost.exe 31->36         started        signatures11 56 Multi AV Scanner detection for dropped file 33->56 58 Machine Learning detection for dropped file 33->58 38 iys.exe 2 14 33->38         started        process12 dnsIp13 50 maly22333.ddnsking.com 185.225.73.209, 3091, 49707 MAYAKBG Germany 38->50 52 geoplugin.net 178.237.33.50, 49708, 80 ATOM86-ASATOM86NL Netherlands 38->52 54 192.168.2.1 unknown unknown 38->54 68 Installs a global keyboard hook 38->68 signatures14
Threat name:
ByteCode-MSIL.Trojan.Remcos
Status:
Malicious
First seen:
2022-09-08 16:56:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:malymoney persistence rat
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
maly22333.ddnsking.com:3091
Unpacked files
SH256 hash:
a20c6c368871ccc3fc5578f43730d5d3a46e1db81e0b5eb5642cd7a537375615
MD5 hash:
df7ca44ea764f62c2645bbf7d7a51de6
SHA1 hash:
cad0652b418847b50445badf5e6c11153f286cff
SH256 hash:
fbe93d5ad7e71987cca3e13458042cbae044e84c1748e9f82b5506448bbff275
MD5 hash:
44a889ce18674ed68ac2e39b38af3016
SHA1 hash:
9d7af279d62707c61cb2a0e9ce43ee476c8ff40e
SH256 hash:
a302885015b798c958cd6a9ff22bcf2941d7ef816950b13f07bafd54d919063b
MD5 hash:
af7337313eed971389a56e1f6b8214c9
SHA1 hash:
451d6d1e37cda50d3f78dbcd39e8ce452a14549a
SH256 hash:
7f89f38c1c2a3e42e7fe2d1c286816361fe77aa49d1d474de200df6eb2dbda81
MD5 hash:
7f032de24fb1278bf91ec8ae29b7d6c3
SHA1 hash:
31e684bee805eefb82bccad29d6597bf54e33212
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:pe_imphash
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.

Web download

RemcosRAT

Executable exe 7f89f38c1c2a3e42e7fe2d1c286816361fe77aa49d1d474de200df6eb2dbda81

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-09-10 01:38:16 UTC

url : hxxp://81.161.229.156/MMB.exe