MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8de4526e450e002bac649a1c6c8f0923ecc64b9813b7abeff0f754a5ee6db0ae. 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: 11


Intelligence 11 IOCs 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8de4526e450e002bac649a1c6c8f0923ecc64b9813b7abeff0f754a5ee6db0ae
SHA3-384 hash: a9ff0732f936ffd24c85bf86fe6d926e4d1c53283a365b9f3b5b77050c39a4c2990de0d6a1b2d7e3900d95e8cdc9d1b9
SHA1 hash: 00d5ebeb29b8c1d42c7dcc61db80c0eec286608d
MD5 hash: 54c99defb9015b4b39ba2a617279c1bb
humanhash: double-may-bluebird-johnny
File name:Notificare privind documentul de expediere,pd.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'039'872 bytes
First seen:2021-09-28 06:51:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7485e319df85e87afca01bdc77d12961 (9 x RemcosRAT, 3 x Formbook, 2 x Loki)
ssdeep 24576:P9YZ9g5ALDrveIhbaZ9KaHxA7VhLRYFk:PfESZ9KaRyzKFk
Threatray 308 similar samples on MalwareBazaar
TLSH T13E25CF23A3E00C79E91F253C8CBB127D7519FD015E26B5069F8D1E489E2B6543928EEB
File icon (PE):PE icon
dhash icon 88c7ce3cbddc2f31 (24 x RemcosRAT, 12 x Formbook, 8 x Loki)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
45.133.1.47:3648

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
45.133.1.47:3648 https://threatfox.abuse.ch/ioc/227214/

Intelligence

File Origin
# of uploads :
1
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Notificare privind documentul de expediere,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-09-28 06:30:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/87506735-4896-4da3-9b29-5e409eb61d43

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/192413/
Detection(s):
Win.Trojan.Remcos-9897068-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/45f3a7ea-e5b0-4f36-b616-0a607128cf52
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/859563
Signature
Allocates memory in foreign processes
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
Creates a thread in another existing process (thread injection)
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 491995 Sample: Notificare privind document... Startdate: 28/09/2021 Architecture: WINDOWS Score: 100 59 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->59 61 Multi AV Scanner detection for domain / URL 2->61 63 Found malware configuration 2->63 65 6 other signatures 2->65 8 Notificare privind documentul de expediere,pd.exe 1 22 2->8         started        13 Lucirrt.exe 17 2->13         started        15 Lucirrt.exe 16 2->15         started        process3 dnsIp4 45 sn-files.fe.1drv.com 8->45 53 2 other IPs or domains 8->53 41 C:\Users\Public\Libraries\...\Lucirrt.exe, PE32 8->41 dropped 75 Writes to foreign memory regions 8->75 77 Creates a thread in another existing process (thread injection) 8->77 79 Injects a PE file into a foreign processes 8->79 17 secinit.exe 2 2 8->17         started        21 cmd.exe 1 8->21         started        23 cmd.exe 1 8->23         started        47 sn-files.fe.1drv.com 13->47 55 2 other IPs or domains 13->55 81 Multi AV Scanner detection for dropped file 13->81 25 secinit.exe 13->25         started        49 192.168.2.1 unknown unknown 15->49 51 sn-files.fe.1drv.com 15->51 57 2 other IPs or domains 15->57 83 Allocates memory in foreign processes 15->83 27 secinit.exe 15->27         started        file5 signatures6 process7 dnsIp8 43 fmunity247.ddns.net 45.133.1.47, 3648, 49749 DEDIPATH-LLCUS Netherlands 17->43 67 Contains functionality to steal Chrome passwords or cookies 17->67 69 Contains functionality to inject code into remote processes 17->69 71 Contains functionality to steal Firefox passwords or cookies 17->71 73 Delayed program exit found 17->73 29 reg.exe 1 21->29         started        31 conhost.exe 21->31         started        33 cmd.exe 1 23->33         started        35 conhost.exe 23->35         started        signatures9 process10 process11 37 conhost.exe 29->37         started        39 conhost.exe 33->39         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8de4526e450e002bac649a1c6c8f0923ecc64b9813b7abeff0f754a5ee6db0ae/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-09-28 06:52:10 UTC
AV detection:
8 of 45 (17.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rxsfe3sfbyacxldetiogzdyjepwmms4yco32x37q65kkl3tnwcxa._file
Verdict:
malicious
Similar samples:
144fc8c1a922dbb8162d72a94780f8559bbd9e6b1faa9e037fd33e809126b080
RemcosRAT
2930d6b6e7f5446fa4d48a60c0cbf9ee6f0141ae26c44fcf1002eeb190904dcb
RemcosRAT
37cc8d06cb1500b90001e9307464c2f7a2d603c54ef604db7b840b635900d365
RemcosRAT
3f032c4e18eced05282ae0a19f738dfef527c2281ce7bebaa28ca028941903f4
RemcosRAT
8bc32885f532e286073afa7781733d97338f3bab7b22f55680b38fe1926d103b
RemcosRAT
b17c3b52340b1f33f4c2e5ce9eb6de617bd28c9525d12b56de031f5367bf7f9a
RemcosRAT
b8b54b232ca4f2ee4362d0d66218e77fbd950922221ab00676d43877904e249b
RemcosRAT
c31467e8064155268806cbf3361acfa3667eb9bee6dabca19f7ed58c373c586a
RemcosRAT
d4bd7d642e2ddcab2e7e6990d7e41b50826bb0354531b42926ba989cb3109880
RemcosRAT
fef6e3ff56be7768e4ca6b2e83b1c33a0f99cc653c3ced640f4eb22ffdd6f77f
RemcosRAT
+ 298 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotefm persistence rat suricata
Link:
https://tria.ge/reports/210928-hm4cwsahgl/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Remcos
suricata: ET MALWARE Remocs 3.x Unencrypted Checkin
suricata: ET MALWARE Remocs 3.x Unencrypted Server Response
Malware Config
C2 Extraction:
fmunity247.ddns.net:3648
Unpacked files
SH256 hash:
18d5f2bb4c00c8e6fb62f43bc3878c615b600ec26bc25b98204cc2e945cd175a
MD5 hash:
b0d9d156b07f2199b3334fc6564c133d
SHA1 hash:
0c39614273b857121740e0142d1d9809de8bc41b
Link:
https://www.unpac.me/results/d6493746-76f2-43b0-9986-d5ef244267d4/
Parent samples :
b400601e35e72a20ca4a0fb19af7a93ddeddcd568674232cabb6c1e05ce4fd07
a643235802bd118331000b4a251952815382078dd0aaaded76e4a8890bbac5f6
33b01cf0eb422d872201670e34b732f76c980ae7ccb016068438272ed426a50b
fe6bd626fd98e3c0e4a2c350e5d927398e22e7731e7c2e1f31bc02181735c4e0
a97b00620e1e8ef9ef5c5f922f5b40ecf698504402d3e14979701c330bef7b56
90e1eac40edda005fffadbb1d16c652d16e685f8f4cf7375eb6ac928222c3a1c
1e54beecbd654f17bab2c6f883ea089943d68ae3e49aaea079182173dc203297
a0703367806de16bac9c75c016780c0bf3b1d8c21cf7f51b6a47b6a1aba74999
1ed62fd139d5efe1cb2650f52cf405d615dc19dae62744df9fb364cd1970a4bc
ffb6236e6dd03ba2599326f3d83d2ffabf8ab18902f1865aa0a68f1881e31978
99cdf3421923232c160c5075af3bf8620df65bd59cf99cc341f17a58e1eeb4f2
8f1eefd14608fae865576d9f7a24be116eb9d8dcebf89c954e2e645b06174c4e
f86258665b68d70e83397ac4ef17598c552b994dd13f26b8208c4d40b8e94816
ed78db064dfb4ae791498b2d08410a69bdad684ff709319d179c2383dd8e2f1c
3490cb5fd9a372722f95ed69c41e23d5cd274ce6b3c024ec1731962a380409d6
d86532a631143032da8dd4e4fd86cbaed87777ef2ede4a60377d534cb9ea7271
298d542746dfa4922dd5fbc8fab572be58447c9dbd1481c55bd2254bb275684f
ffb0bd5cf5a1716fa50f01a4b4fd98d396842c7c263d3ce03623748430b30a93
a2067e35b12b83ddae55145931870302de477b5ccce82a5e86ea7bf8e057d8d7
a2539269c2b9200d7baed9f0dfc25b59fd4713a641d79fd9bd13272c7e1296ca
0aff281c192e919ce8a4e2091a058aa3c8fab2379dd50d7dd7ac7217af4dc838
cc8b096d71a4734e17e6f1bcf10d9730e5a2b3ab15b7e89852a4cdd204563d29
1e24e03e9ffdbe39ca8d357d0130aff5c50f2ddd7b2f613ab9dc01f02d0527d3
f60b6dfcaf466a9cf6b7831fcd74abc70efc16aec11d3b38fdbc7562003ba61b
67c445ff181fcaa6b46a1d1af78a9df1ac413593f29561e4fa43059c7ed85ace
SH256 hash:
8de4526e450e002bac649a1c6c8f0923ecc64b9813b7abeff0f754a5ee6db0ae
MD5 hash:
54c99defb9015b4b39ba2a617279c1bb
SHA1 hash:
00d5ebeb29b8c1d42c7dcc61db80c0eec286608d
Link:
https://www.unpac.me/results/d6493746-76f2-43b0-9986-d5ef244267d4/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8de4526e450e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/8de4526e450e002bac649a1c6c8f0923ecc64b9813b7abeff0f754a5ee6db0ae

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:ach_RemcosRAT
Create hunting rule
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EnvVarScheduledTasks
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC (ab)using Environment Variables in Scheduled Tasks
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
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/192413/

Comments