MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a09b27f0e56a772894ce2213d62e8411f163f98d9da988f2b8e0e57e591889c8. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a09b27f0e56a772894ce2213d62e8411f163f98d9da988f2b8e0e57e591889c8
SHA3-384 hash: 8736540952ebcdea9747a8814722981739c02c7fb770b9943bb1806ac2b16e59619db80cab6a9d2758ef80cfcc0b95fa
SHA1 hash: ae9d58a4a61b265dab7c1c46d10918e87c470f8b
MD5 hash: 1ccfc28638d9168f95887219c40c166e
humanhash: eighteen-apart-oscar-seventeen
File name:1ccfc28638d9168f95887219c40c166e
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'396'224 bytes
First seen:2021-08-02 11:28:01 UTC
Last seen:2021-08-02 13:16:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:7/wIOCGCE81LzU2ai6D3h0kaHHMgxHYeKrBRQbUDpy1gdBJ3zAKTmSAu:srCGCBai6Dban7HBoyWnRABu
Threatray 671 similar samples on MalwareBazaar
TLSH T1DF55DF2B37E657AAD0084D36C2251594EBF0826B6632F6DB74CE03F48F01B1F561F5AA
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1ccfc28638d9168f95887219c40c166e
Verdict:
Malicious activity
Analysis date:
2021-08-02 11:29:46 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/cce73cb5-8459-4afd-9ff7-ffe88d63c346

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/175786/
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Running batch commands
Sending a UDP request
Launching a process
Creating a file in the %temp% directory
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Setting a keyboard event handler
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8a83a56a-857c-4779-9f0e-26b7dcda9b4a
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/825469
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Creates an undocumented autostart registry key
Detected Remcos RAT
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 dropped file
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: 457881 Sample: 1niECmfIcE Startdate: 02/08/2021 Architecture: WINDOWS Score: 100 66 Malicious sample detected (through community Yara rule) 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 Detected Remcos RAT 2->70 72 3 other signatures 2->72 8 1niECmfIcE.exe 15 7 2->8         started        process3 dnsIp4 58 www.google.com 172.217.168.68, 443, 49707 GOOGLEUS United States 8->58 46 C:\Users\user\AppData\Roaming\MainProc.exe, PE32 8->46 dropped 48 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 8->48 dropped 50 C:\Users\...\MainProc.exe:Zone.Identifier, ASCII 8->50 dropped 52 C:\Users\user\AppData\...\1niECmfIcE.exe.log, ASCII 8->52 dropped 82 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->82 13 MainProc.exe 14 5 8->13         started        18 cmd.exe 1 8->18         started        file5 signatures6 process7 dnsIp8 60 142.250.180.164, 443, 49727 GOOGLEUS United States 13->60 62 192.168.2.1 unknown unknown 13->62 64 www.google.com 13->64 54 C:\Users\user\AppData\Local\Temp\crss.exe, PE32 13->54 dropped 84 Multi AV Scanner detection for dropped file 13->84 86 Machine Learning detection for dropped file 13->86 88 Writes to foreign memory regions 13->88 90 3 other signatures 13->90 20 AddInProcess32.exe 2 163 13->20         started        24 crss.exe 13->24         started        26 crss.exe 13->26         started        32 4 other processes 13->32 28 reg.exe 1 1 18->28         started        30 conhost.exe 18->30         started        file9 signatures10 process11 dnsIp12 56 ostriuyer.myddns.me 194.5.97.94, 49745, 49747, 49748 DANILENKODE Netherlands 20->56 74 Detected Remcos RAT 20->74 76 Installs a global keyboard hook 20->76 34 iexplore.exe 20->34         started        78 Multi AV Scanner detection for dropped file 24->78 36 crss.exe 24->36         started        38 crss.exe 26->38         started        80 Creates an undocumented autostart registry key 28->80 40 crss.exe 32->40         started        42 crss.exe 32->42         started        44 crss.exe 32->44         started        signatures13 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a09b27f0e56a772894ce2213d62e8411f163f98d9da988f2b8e0e57e591889c8/
Threat name:
Win32.Packed.GenericML
Create hunting rule
Status:
Malicious
First seen:
2021-07-31 11:08:52 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  1/5
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0ecfbf08398e1d0470c2f4d40a490808bd1b177cb60d674c5459d85f242952ab
RemcosRAT
239d05f508f2055daa1e4bf62f465f3ccbe7104fcb3c98504630d40d37466e02
RemcosRAT
32c3d29676757629b7ceeafd699c33c14147a79fc07a54889e6f66cd5118b123
RemcosRAT
8f2fb0c54f7b6c6ccc3bc70cfa83165a4b8905b89744dd98a01ad7f632c82f95
RemcosRAT
9f2ac60f8370f645f50a08dc1c87c0c6964013c586138942bf457682f1d6eaef
RemcosRAT
a86f792a5a3d424b756508cb462d3ca9b454f2513a5471df5d41da33649748e9
RemcosRAT
ec744aeae689c95f44a24eb398e65c3a722595de5504db84b2e41488f30a7510
RemcosRAT
f138fb2bb1b74757f02ed6159d3766cd5bbae760e04907ea7520bc09dd968783
RemcosRAT
f77ee1da37991ac453867f3ec63c1e0d18f139d6585c5158fc92b78aa4f07b02
RemcosRAT
+ 661 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost agilenet persistence rat
Link:
https://tria.ge/reports/210802-cezm39my1e/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
Modifies WinLogon for persistence
Remcos
Malware Config
C2 Extraction:
ostriuyer.myddns.me:7116
Unpacked files
SH256 hash:
a09b27f0e56a772894ce2213d62e8411f163f98d9da988f2b8e0e57e591889c8
MD5 hash:
1ccfc28638d9168f95887219c40c166e
SHA1 hash:
ae9d58a4a61b265dab7c1c46d10918e87c470f8b
Link:
https://www.unpac.me/results/ad9e1d3f-f5db-41bf-ad98-9022567a657c/
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/a09b27f0e56a772894ce2213d62e8411f163f98d9da988f2b8e0e57e591889c8

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: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.

Web download

RemcosRAT

Executable exe a09b27f0e56a772894ce2213d62e8411f163f98d9da988f2b8e0e57e591889c8

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1499649/
Cape
Cape
https://www.capesandbox.com/analysis/175786/

Comments


Avatar
zbet commented on 2021-08-02 11:28:02 UTC

url : hxxps://vteke.xyz/hao/scan027.exe