MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89fd50a006af9537d9181a8d2dd4872cd29639150ef2ed96a93ed1c3ad1967a4. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 89fd50a006af9537d9181a8d2dd4872cd29639150ef2ed96a93ed1c3ad1967a4
SHA3-384 hash: 04731474575b9bb528a48de451b459ede9ae26999d74391b6b0ff345eca82f88099dde345d8d71fc7c270698293ec4cc
SHA1 hash: b04cd1f68b4bb9ecef160e0af2f1f2b997ece503
MD5 hash: 34e5ea61c2e68a2eadb85ce4d80402f7
humanhash: mobile-alpha-violet-west
File name:34e5ea61c2e68a2eadb85ce4d80402f7
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:21'504 bytes
First seen:2022-06-15 20:03:03 UTC
Last seen:2022-06-15 20:32:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 384:boQhWCbD0rvpgaqBeMsw4iknZm5s8sElO3N:cjCbuep9rwUs8sSOd
Threatray 2'777 similar samples on MalwareBazaar
TLSH T113A21A533795D17EC87D43729D72C2141AA1BC8AD8B35E1EB8C6B11A2E3376201CB72B
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 d0d8d0c4c4c4dcd4 (12 x RemcosRAT, 3 x NanoCore, 3 x AveMariaRAT)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
266
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/280368/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader44.64913.31050.28411.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Setting a keyboard event handler
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62aa3b73b0582adf05a9310d/reports/9624fd7f-198f-4a2d-9ffc-7f1b280345e8/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6a43754a-a2be-42f6-97e0-b629e8683574
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1014013
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 646505 Sample: jmhZcPRUSF Startdate: 15/06/2022 Architecture: WINDOWS Score: 100 82 Multi AV Scanner detection for domain / URL 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 Multi AV Scanner detection for submitted file 2->86 88 5 other signatures 2->88 7 jmhZcPRUSF.exe 16 7 2->7         started        11 Sxzoddxxv.exe 14 4 2->11         started        14 Sxzoddxxv.exe 2->14         started        process3 dnsIp4 64 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49773, 49862 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 7->64 66 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49772, 49861 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 7->66 72 4 other IPs or domains 7->72 54 C:\Users\user\AppData\...\Sxzoddxxv.exe, PE32 7->54 dropped 56 C:\Users\...\Sxzoddxxv.exe:Zone.Identifier, ASCII 7->56 dropped 58 C:\Users\user\AppData\...\jmhZcPRUSF.exe.log, ASCII 7->58 dropped 16 jmhZcPRUSF.exe 3 17 7->16         started        20 cmd.exe 1 7->20         started        22 powershell.exe 15 7->22         started        68 qnbuxg.db.files.1drv.com 11->68 74 2 other IPs or domains 11->74 90 Multi AV Scanner detection for dropped file 11->90 92 Injects a PE file into a foreign processes 11->92 24 cmd.exe 11->24         started        26 powershell.exe 14 11->26         started        28 Sxzoddxxv.exe 11->28         started        70 qnbuxg.db.files.1drv.com 14->70 76 2 other IPs or domains 14->76 30 cmd.exe 14->30         started        32 powershell.exe 14->32         started        34 Sxzoddxxv.exe 14->34         started        file5 signatures6 process7 dnsIp8 60 power22.myftp.org 45.134.173.237, 49781, 9492 CLOUDIE-AS-APCloudieLimitedHK Russian Federation 16->60 62 geoplugin.net 178.237.33.50, 49782, 80 ATOM86-ASATOM86NL Netherlands 16->62 78 Tries to harvest and steal browser information (history, passwords, etc) 16->78 80 Installs a global keyboard hook 16->80 36 conhost.exe 20->36         started        38 timeout.exe 1 20->38         started        40 conhost.exe 22->40         started        42 conhost.exe 24->42         started        44 timeout.exe 24->44         started        46 conhost.exe 26->46         started        48 conhost.exe 30->48         started        50 timeout.exe 30->50         started        52 conhost.exe 32->52         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/89fd50a006af9537d9181a8d2dd4872cd29639150ef2ed96a93ed1c3ad1967a4/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-06-15 10:11:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 26 (69.23%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rh6vbiagv6ktpwiydkgs3vehftjjmoivb3zo3fvjh3i4hlizm6sa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0639a34ed8b8a0702daec2d05da6afdd33c6c41dc2bb9cb2537c247825843adf
RemcosRAT
1e3d5369ea28851f7013099f82d535b12e3e88c72ae190fdf571fb9beb9e0ace
RemcosRAT
5a979874ae91da8eac2f9b25898b1836ee4b50781560d83168c8ca35a061d522
RemcosRAT
5f37b5f63e3badceb3ea40bb2a6cef92e466410bebbf6864d6d4b5100b6114eb
RemcosRAT
9ea26ea3cf4034580c0c02f1ce4627887fd5a68e069a2c4189c8f253b5919842
RemcosRAT
c208cb83639f1b0a5bac59a310c377fb31f7d7dae0084f557461b8d4312c81a6
RemcosRAT
+ 2'767 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/220615-ys84bsegf2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
89fd50a006af9537d9181a8d2dd4872cd29639150ef2ed96a93ed1c3ad1967a4
MD5 hash:
34e5ea61c2e68a2eadb85ce4d80402f7
SHA1 hash:
b04cd1f68b4bb9ecef160e0af2f1f2b997ece503
Link:
https://www.unpac.me/results/3dcf34d3-feac-481d-aa18-b5ecc8afb89b/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/89fd50a006af/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/89fd50a006af9537d9181a8d2dd4872cd29639150ef2ed96a93ed1c3ad1967a4

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.

Web download

RemcosRAT

Executable exe 89fd50a006af9537d9181a8d2dd4872cd29639150ef2ed96a93ed1c3ad1967a4

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2239530/
Cape
Cape
https://www.capesandbox.com/analysis/280368/

Comments


Avatar
zbet commented on 2022-06-15 20:03:17 UTC

url : hxxp://193.169.255.131/ego/Icluydyp.exe