MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a9a6384ca9858fd73b17063871825e60a989f230bf46bbe478c723e13f7cfad. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a9a6384ca9858fd73b17063871825e60a989f230bf46bbe478c723e13f7cfad
SHA3-384 hash: 9ce579dec2242ba2ca2a5beeb6c3735d88182467b92337fa03b74ca018f3e11a17547cae289cb637d0e38614f421418f
SHA1 hash: 1e611428e4a06772e761419ddd2f1000130a97cb
MD5 hash: f0a5fd395db2cf8671283b2dc43f6843
humanhash: ack-mississippi-alpha-alabama
File name:f0a5fd395db2cf8671283b2dc43f6843.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:34'608 bytes
First seen:2021-04-20 19:06:32 UTC
Last seen:2021-04-20 19:59:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:C4jXaNErniD6qIaQ2B/iaHI9UBBGNDu9nlkjHloKFvUsxEMcJ071Fhe:CyKNE+WAQW/5uUBBQDECFndUc4kfhe
Threatray 1'718 similar samples on MalwareBazaar
TLSH B7F23A594484B11AEAA70E362955EC343F78A7726840D54FE425414CCF83BBF74ECAEE
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
90
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/140148/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.8666.4721.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Adding an access-denied ACE
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Deleting a recently created file
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8a9a6384ca9858fd73b17063871825e60a989f230bf46bbe478c723e13f7cfad/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-04-20 19:19:27 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rknghbgktbmp245robryogbf4yfjrhzdbp2gxpshrrzd4e7xz6wq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
7ae5ac27e29e826ac3a5e407f1f760aa6d239e8de85280886adc7bc4113cace0
RemcosRAT
843326e8aabda8025975ae55e6d36fcd8bb79e2e1a5f25e86303b82f16c3bac5
RemcosRAT
86992692d34557946a1fd9a96b11789d1ba43b74eb41eeb99181c53ec8c0840c
RemcosRAT
918dede163276d652ee3fc92b2ec93733850b27a31339e6e972536d168990506
RemcosRAT
a21b11bd7b89c961a73c2184f95b9eb6981e8aa5e06c0199070afe48d7bdf050
RemcosRAT
b20763ef2da523cc3f4dba41af4d4248bae939b8834c5a746bbff398431989d0
RemcosRAT
c39bdd8f7c69c3140ef920e2b1d5965310058c5fa425b871f4d7751d8291d55e
RemcosRAT
c40f80c23d8ff7cf3f28c2959f7017ac88cc12f7df50669c341a9a5add4bf76a
RemcosRAT
d7c0ef5975ecda4d1804b3e82d7eb8634f4f3f0bd3406087fc2aaa972d2d8bd8
RemcosRAT
e0d4ce0316734fce0ea0d950f0ff1b4182f1364d581c549a199ac041cfe68ebb
RemcosRAT
+ 1'708 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210420-7pvb69nzve/
Behaviour
Delays execution with timeout.exe
Modifies Internet Explorer settings
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
sandshoe.myfirewall.org:2415
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Backdoor
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8a9a6384ca9858fd73b17063871825e60a989f230bf46bbe478c723e13f7cfad

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_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Web download

RemcosRAT

Executable exe 8a9a6384ca9858fd73b17063871825e60a989f230bf46bbe478c723e13f7cfad

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/140148/
  
URLhaus
https://urlhaus.abuse.ch/url/1143864/
  
Delivery method
Distributed via web download

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