MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ee956c86cd6e470dc79533205689b9819b93ac3805eeb241266c2ef04e6a455a. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ee956c86cd6e470dc79533205689b9819b93ac3805eeb241266c2ef04e6a455a
SHA3-384 hash: 5f0c0e8fa491bb49ab3712a8f01cdfade9b799d6b7f5914ae51edb6e579ce346d76d7f7cb1b60b1f551af823af6ea057
SHA1 hash: 9b3ef585df211d179dc3d6a4939f37414164f8ca
MD5 hash: 07f3fecc8efda505d942151363bfc5d7
humanhash: leopard-oranges-mars-pip
File name:2022-06-06__44013797664899000_doc_000565643652736863.PDF.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:732'057 bytes
First seen:2022-06-06 08:19:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 55f3dfd13c0557d3e32bcbc604441dd3 (124 x Formbook, 18 x Loki, 13 x AgentTesla)
ssdeep 12288:3fsTQFaEzskAG1//BDAkSgqDQBTpQXpLnjbPQ1wh+1mj0An6:3fsTgJHTnBkkSgqD+lQXpQW+a6
Threatray 13'302 similar samples on MalwareBazaar
TLSH T1C0F412023DC5DC6ADA5A8C360AB2E72C7BF8F0111AE252977F8685DD5D101FDA91EF80
TrID 92.9% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon cce8f8b4ead0d0a4 (1 x RemcosRAT)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
303
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
2022-06-06__44013797664899000_doc_000565643652736863.PDF.exe
Verdict:
Malicious activity
Analysis date:
2022-06-06 08:22:55 UTC
Tags:
installer remcos
Link:
https://app.any.run/tasks/90eafe1a-0561-4987-8606-1ee37e4a69fd

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/276918/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.10544.UNOFFICIAL
Create hunting rule

Win.Dropper.Nanocore-9876123-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe formbook nanocore overlay packed remcos shell32.dll wacatac
Link:
https://www.filescan.io/uploads/629db8ef6aa17a21fc26a6ef/reports/1977a0c2-134d-4cb4-9fed-6830fe76f734/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/d3e8bfe8-c3f4-453a-92ba-a82bdb739a86
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1007170
Signature
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
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 639666 Sample: 2022-06-06__440137976648990... Startdate: 06/06/2022 Architecture: WINDOWS Score: 100 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 5 other signatures 2->56 7 2022-06-06__44013797664899000_doc_000565643652736863.PDF.exe 19 2->7         started        10 lbgpntgdy.exe 1 2->10         started        13 lbgpntgdy.exe 1 2->13         started        process3 file4 34 C:\Users\user\AppData\...\bqiwzvpatl.exe, PE32 7->34 dropped 15 bqiwzvpatl.exe 1 3 7->15         started        58 Antivirus detection for dropped file 10->58 60 Multi AV Scanner detection for dropped file 10->60 19 WerFault.exe 3 10 10->19         started        21 conhost.exe 10->21         started        23 WerFault.exe 10->23         started        25 WerFault.exe 10 13->25         started        27 conhost.exe 13->27         started        signatures5 process6 file7 36 C:\Users\user\AppData\...\lbgpntgdy.exe, PE32 15->36 dropped 42 Antivirus detection for dropped file 15->42 44 Multi AV Scanner detection for dropped file 15->44 46 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->46 48 5 other signatures 15->48 29 bqiwzvpatl.exe 2 13 15->29         started        32 conhost.exe 15->32         started        signatures8 process9 dnsIp10 38 172.94.127.61, 49740, 5888 AMANAHA-NEWCA United States 29->38 40 geoplugin.net 178.237.33.50, 49741, 80 ATOM86-ASATOM86NL Netherlands 29->40
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ee956c86cd6e470dc79533205689b9819b93ac3805eeb241266c2ef04e6a455a/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-06-06 07:12:50 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=52kwzbwnnzdq3r4vgmqfncnzqgnzhlbyaxxleqjgnqxpattkivna._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
01f5e461193a3adce502959e029cf52b8e9bf0a9cd1bf06c9088edddb4f643ab
RemcosRAT
56400d285883e72264ab693e17d3f94bb35df61618891768c8959932b5d9f140
RemcosRAT
576183a33f5247a852bc65a4dc4cbca5762bfbad1291a82572681f7075dc6123
RemcosRAT
6debeb4cbf5037ee3b4d23e3a005dc58ebb0f26ac5f5266e910187a66760a4a0
RemcosRAT
7a099c2a919928941a4357553300018cd8847760df7b17c2e7bde1daef328305
RemcosRAT
900274d5916f078ac30bedfc6b3bf5812c09de4cc1bdddd4e25d5efa1e3bb1c3
RemcosRAT
b6cbbd914e6466a18364e387503ecb099cb0b497807a85a1f5a8fb5e2df13213
RemcosRAT
e1f130eaed82441c051ac3c8869fa7c76b3d60810a2b641b3bfb70cfdbdf9b1b
RemcosRAT
+ 13'292 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/220606-j8e3vsbbdj/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
172.94.127.61:5888
Unpacked files
SH256 hash:
9a2d8e24ece60b8c9e1da0a1a15eaccfe92212ee6817fdf3215773d5be8c0ee5
MD5 hash:
1570ed523abc16453dbad8404e7fafd3
SHA1 hash:
7546085b9dcd95132a047bce9f9b9246f0986b9d
Link:
https://www.unpac.me/results/0a2dae5d-eb69-4a42-9e95-ced0f8e0f80e/
SH256 hash:
ee956c86cd6e470dc79533205689b9819b93ac3805eeb241266c2ef04e6a455a
MD5 hash:
07f3fecc8efda505d942151363bfc5d7
SHA1 hash:
9b3ef585df211d179dc3d6a4939f37414164f8ca
Link:
https://www.unpac.me/results/0a2dae5d-eb69-4a42-9e95-ced0f8e0f80e/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ee956c86cd6e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.58
Link:
https://yomi.yoroi.company/submissions/ee956c86cd6e470dc79533205689b9819b93ac3805eeb241266c2ef04e6a455a

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_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
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.

Malspam

RemcosRAT

Executable exe ee956c86cd6e470dc79533205689b9819b93ac3805eeb241266c2ef04e6a455a

(this sample)

  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/276918/

Comments