MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 082525150d7aace7e21b3bfb469f86c2e7239593c50cebc143d7f8a66b898b83. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 082525150d7aace7e21b3bfb469f86c2e7239593c50cebc143d7f8a66b898b83
SHA3-384 hash: e8db0f09806edc74e298e4870222e279b7ecc91615071fad469a846bf0fac65439fab4e4c6301a1a227862874c7661b8
SHA1 hash: f18253d43fc533403e6dca02092b31a62552f099
MD5 hash: def748e8dac4746eeabda16dc0057d2d
humanhash: carolina-one-carolina-cardinal
File name:Signed PO.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:776'192 bytes
First seen:2022-06-30 14:18:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:p61aTsr7F7CZrwRbN/ljwUQP78SH0KN3r7Mc6ZF5i3laSVOBYghInHpwvM:p610sHF7AMRbNNMUI78KN3r7uZDiVLOb
Threatray 3'062 similar samples on MalwareBazaar
TLSH T1D9F42313AC5D82C3C1FD52728E87C3B57A2D8E7608D05796E5F1B626D4F036922A3E9C
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)
File icon (PE):PE icon
dhash icon c231f0c4ccccd470 (3 x DanaBot, 1 x RemcosRAT)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/284628/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader45.2238.20237.29413.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62bdb0d92753a70af6431fe6/reports/c72cfd6b-deed-42e5-8d8e-b25130bcd2df/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5dd784dc-76d4-43a6-abb1-c6e76b2c136e
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1022652
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Encrypted powershell cmdline option found
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
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 655147 Sample: Signed PO.exe Startdate: 30/06/2022 Architecture: WINDOWS Score: 100 65 Multi AV Scanner detection for domain / URL 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Antivirus detection for dropped file 2->69 71 12 other signatures 2->71 7 Signed PO.exe 1 6 2->7         started        11 engr.exe 4 2->11         started        13 engr.exe 2->13         started        process3 file4 47 C:\Users\user\AppData\Roaming\...\engr.exe, PE32 7->47 dropped 49 C:\Users\user\...\engr.exe:Zone.Identifier, ASCII 7->49 dropped 51 C:\Users\user\AppData\...\Signed PO.exe.log, ASCII 7->51 dropped 73 Encrypted powershell cmdline option found 7->73 75 Writes to foreign memory regions 7->75 77 Injects a PE file into a foreign processes 7->77 15 InstallUtil.exe 2 16 7->15         started        19 powershell.exe 14 7->19         started        21 powershell.exe 15 7->21         started        23 powershell.exe 11->23         started        25 powershell.exe 11->25         started        27 InstallUtil.exe 11->27         started        29 powershell.exe 13->29         started        31 powershell.exe 13->31         started        33 InstallUtil.exe 13->33         started        signatures5 process6 dnsIp7 53 blackwealth001.duckdns.org 192.3.152.173, 2356, 49756 AS-COLOCROSSINGUS United States 15->53 55 geoplugin.net 178.237.33.50, 49757, 80 ATOM86-ASATOM86NL Netherlands 15->55 57 Contains functionality to steal Chrome passwords or cookies 15->57 59 Contains functionality to inject code into remote processes 15->59 61 Contains functionality to steal Firefox passwords or cookies 15->61 63 2 other signatures 15->63 35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 29->43         started        45 conhost.exe 31->45         started        signatures8 process9
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/082525150d7aace7e21b3bfb469f86c2e7239593c50cebc143d7f8a66b898b83/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2022-06-30 13:03:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
17 of 25 (68.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=basskfinpkwopyq3hp5unh4gyltshfmtyugoxqkd274km24jrobq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
49bc50c3b1ff689c3cbcfcf1f7d42f29547f15f4ab990dafc27f5eb4b562d446
RemcosRAT
5f37b5f63e3badceb3ea40bb2a6cef92e466410bebbf6864d6d4b5100b6114eb
RemcosRAT
b07f08cbf908eb0d5c93679c8dca8438e4f185a70d675ad79184533dc6b4b262
RemcosRAT
c208cb83639f1b0a5bac59a310c377fb31f7d7dae0084f557461b8d4312c81a6
RemcosRAT
e04e4c474ded78364c1f802de5a653e2d495bc1a0ddb78325962778a221970e6
RemcosRAT
+ 3'052 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:engr heaven persistence rat
Link:
https://tria.ge/reports/220630-rl9b7abgbp/
Behaviour
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
Remcos
Malware Config
C2 Extraction:
blackwealth001.duckdns.org:2356
Unpacked files
SH256 hash:
ddd71ec18774ced3662f0c59d85f454f85ce8a411225318718ba80250b1c5fa5
MD5 hash:
1ccde71da2a7e2f8115d4105c6c1bbd9
SHA1 hash:
acf5b99308051a96f95d6baf94c3ecde6d86c66a
Link:
https://www.unpac.me/results/6ae4f323-4a21-4031-8f7e-02eb50db748f/
SH256 hash:
84d8f4d65e1660b478c31e9d400adfbac5c792d14dd999a9f38f35fd042f2e08
MD5 hash:
bd3a2258675dc70a44dd07c2101cbdcd
SHA1 hash:
85d63081c485068fe674e789be25b668acca7909
Link:
https://www.unpac.me/results/6ae4f323-4a21-4031-8f7e-02eb50db748f/
SH256 hash:
4be8c79f36c2686ae46ff6953ff61047fe20f6b6b485fad5231247eb40880750
MD5 hash:
72dc9ac315f6627a6edbda36a4ff43d3
SHA1 hash:
393cc567355ff27fe1475ca380b38d4d84fccd73
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/6ae4f323-4a21-4031-8f7e-02eb50db748f/
Parent samples :
082525150d7aace7e21b3bfb469f86c2e7239593c50cebc143d7f8a66b898b83
c0478b1a92b58fbec646563cfe5d6ce2aaccfdf3a486911b0b82f3878b54833b
SH256 hash:
082525150d7aace7e21b3bfb469f86c2e7239593c50cebc143d7f8a66b898b83
MD5 hash:
def748e8dac4746eeabda16dc0057d2d
SHA1 hash:
f18253d43fc533403e6dca02092b31a62552f099
Link:
https://www.unpac.me/results/6ae4f323-4a21-4031-8f7e-02eb50db748f/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/082525150d7a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/082525150d7aace7e21b3bfb469f86c2e7239593c50cebc143d7f8a66b898b83

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

RemcosRAT

Executable exe 082525150d7aace7e21b3bfb469f86c2e7239593c50cebc143d7f8a66b898b83

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/284628/

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