MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e7a3522e5f2bea8656f4a586387628402e469f461e23463459c69dc3274c39ae. 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 8 File information Comments 1
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SHA256 hash: e7a3522e5f2bea8656f4a586387628402e469f461e23463459c69dc3274c39ae
SHA3-384 hash: 0c48d13c5946328315e077b9cd6ea5771b0aa264b10fb22ca48e3563a8b389db2da77286e48b7b905a50092523073185
SHA1 hash: 31ee60745d4d5acf6bf2d1d9947e7692db831013
MD5 hash: f543e0f7da1b42fdbaacf6817fa57db6
humanhash: cardinal-oregon-zebra-eleven
File name:f543e0f7da1b42fdbaacf6817fa57db6
Download: download sample
Signature RemcosRAT
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File size:177'152 bytes
First seen:2022-08-03 23:28:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 768:V7cvsFLy7OXrd/OlfbsSNrueOXyzfKtdBJPZkDDbj7IQ60paGP:5UceMxy/6Ksd+P
Threatray 1'543 similar samples on MalwareBazaar
TLSH T1740486E0B2964A52D6C07239AFE2D3F11361CF9C16168B6529F17E2F7DFEB635840260
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 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
341
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
f543e0f7da1b42fdbaacf6817fa57db6
Verdict:
Malicious activity
Analysis date:
2022-08-03 23:31:18 UTC
Tags:
remcos
Link:
https://app.any.run/tasks/cec339e9-869e-4ca7-9b75-b5cb55ac07c4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/296316/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.61160567.1843.20582.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Creating a file
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62eb04fcd40ca366615bbd68/reports/7d21309c-5979-4455-a15f-c4fe3ea651ee/overview
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6ed878c8-392e-4cdf-89d9-006da47f3b97
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1045967
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 678461 Sample: jS5JIigZIs Startdate: 04/08/2022 Architecture: WINDOWS Score: 100 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 Antivirus / Scanner detection for submitted sample 2->60 62 5 other signatures 2->62 7 jS5JIigZIs.exe 16 7 2->7         started        12 Dopio.exe 14 4 2->12         started        14 Dopio.exe 3 2->14         started        process3 dnsIp4 46 20.48.118.182, 49750, 49760, 49772 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 7->46 36 C:\Users\user\AppData\Roaming\...\Dopio.exe, PE32 7->36 dropped 38 C:\Users\user\...\Dopio.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\...\jS5JIigZIs.exe.log, ASCII 7->40 dropped 64 Encrypted powershell cmdline option found 7->64 66 Writes to foreign memory regions 7->66 68 Injects a PE file into a foreign processes 7->68 16 InstallUtil.exe 2 13 7->16         started        20 powershell.exe 17 7->20         started        70 Antivirus detection for dropped file 12->70 72 Machine Learning detection for dropped file 12->72 22 powershell.exe 12->22         started        24 InstallUtil.exe 12->24         started        26 powershell.exe 14->26         started        28 InstallUtil.exe 14->28         started        file5 signatures6 process7 dnsIp8 42 172.94.88.13, 49758, 5888 SOFTLAYERUS United States 16->42 44 geoplugin.net 178.237.33.50, 49759, 80 ATOM86-ASATOM86NL Netherlands 16->44 48 Contains functionalty to change the wallpaper 16->48 50 Contains functionality to steal Chrome passwords or cookies 16->50 52 Contains functionality to steal Firefox passwords or cookies 16->52 54 Delayed program exit found 16->54 30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        34 conhost.exe 26->34         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e7a3522e5f2bea8656f4a586387628402e469f461e23463459c69dc3274c39ae/
Threat name:
ByteCode-MSIL.Backdoor.Androm
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Status:
Malicious
First seen:
2022-08-03 23:29:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
23 of 39 (58.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=46rvels7fpvimvxuuwddq5riiaxenh2gdyrumnczy2o4gj2mhgxa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0f04d67901cbdd7f63f9aaf7c5e8493e8d5f4347df701f214232c761d489aeba
RemcosRAT
3e19a176f456db3316b84a9a5bedaeae9323a65d035d285c486b518829aaa5d4
RemcosRAT
6e32755e959eedb7b200382f137bf89e6319644ffab4b52322c70f1d0e4f11e7
RemcosRAT
7d237aef354c63c3618c8c8df4718e2c5056edd90702bc77a233944e2c42de9b
RemcosRAT
910d9b435b172c50ad6cde23d820b4e1f07197e82ecdece15a74fbe750584378
RemcosRAT
a6abf72d95dac9ba6e6e4b53d9cbcd013846660a18ac5b9eeacb6cd87c783a2c
RemcosRAT
dff9dfa64f1a603197abded9f5942b83efab0c71520a4fe028ba8fb79cfe7b11
RemcosRAT
e0a8b8380ed35be0a267e659c87dc6f909981f9100f679515de3d8e550f5da61
RemcosRAT
e93e5b0f594a010610642083421a9609b380eed335cba10a1138ca31e44c4166
RemcosRAT
+ 1'533 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/220803-3gj3aahefm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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:
172.94.88.13:5888
Unpacked files
SH256 hash:
e7a3522e5f2bea8656f4a586387628402e469f461e23463459c69dc3274c39ae
MD5 hash:
f543e0f7da1b42fdbaacf6817fa57db6
SHA1 hash:
31ee60745d4d5acf6bf2d1d9947e7692db831013
Link:
https://www.unpac.me/results/344adab7-b2c9-4e25-9ec9-790a05f5a582/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e7a3522e5f2b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/e7a3522e5f2bea8656f4a586387628402e469f461e23463459c69dc3274c39ae

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_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:RemcosRat
Create hunting rule
Author:Mohamed Ashraf
Description:Detects Remcos Rat
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_remcos_auto
Create hunting rule
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 e7a3522e5f2bea8656f4a586387628402e469f461e23463459c69dc3274c39ae

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2264538/
Cape
Cape
https://www.capesandbox.com/analysis/296316/

Comments


Avatar
zbet commented on 2022-08-03 23:29:00 UTC

url : hxxp://23.95.106.60/220/vbc.exe