MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0831a0cc863d2c4d118216b9b915a785f2ea52f6fde777a40138ffe771f1c8c2. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0831a0cc863d2c4d118216b9b915a785f2ea52f6fde777a40138ffe771f1c8c2
SHA3-384 hash: 43f65511b683c08d202a6136c5cf554f50edbc624e9dbae9a2fb322e97f5b41e94d4f5a5112bd2ea483d20b1d770e8dd
SHA1 hash: f2f6c7c5a07d5783835d7516e34506b5c845a241
MD5 hash: d8e0e1c69f6428c9088df868b798d0b1
humanhash: mobile-potato-lake-papa
File name:OC CVE6535 _TVOP-MIO 08(C) 2021,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:708'608 bytes
First seen:2021-08-06 09:05:16 UTC
Last seen:2021-08-06 10:23:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a09d64195bff556eb90ba4781b170ac7 (4 x RemcosRAT, 2 x Formbook)
ssdeep 12288:NlyPhGe3nf8jHmf/3AwhgFn33DdzQwcApa56Q0uGPQNfXA:NAPbaHLwh2nBZ6oulA
Threatray 2'269 similar samples on MalwareBazaar
TLSH T1AAE47E66F2A05933C2536E3CCC4B976DA9277F112A28B5412FF93D489F39342356A18F
dhash icon 616110152b2b5130 (12 x RemcosRAT, 5 x Formbook, 4 x BitRAT)
Reporter TeamDreier
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
OC CVE6535 _TVOP-MIO 08(C) 2021,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-06 09:06:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/03f50bb4-b68a-4d07-b954-0383fae0a9ef

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/176949/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware2.28283.30240.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching the default Windows debugger (dwwin.exe)
Sending a UDP request
Result
Verdict:
UNKNOWN
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/740705ff-76f5-4937-8d43-37e9eda8c65f
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/828190
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
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)
Detected Remcos RAT
Found malware configuration
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 domain / URL
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 460621 Sample: OC CVE6535 _TVOP-MIO 08(C) ... Startdate: 06/08/2021 Architecture: WINDOWS Score: 100 30 typejimbo.ddns.net 2->30 54 Multi AV Scanner detection for domain / URL 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 6 other signatures 2->60 7 OC CVE6535 _TVOP-MIO 08(C) 2021,pdf.exe 1 19 2->7         started        12 Lravohg.exe 16 2->12         started        14 Lravohg.exe 16 2->14         started        signatures3 process4 dnsIp5 32 onedrive.live.com 7->32 34 fclb4g.dm.files.1drv.com 7->34 36 dm-files.fe.1drv.com 7->36 24 C:\Users\Public\Libraries\...\Lravohg.exe, PE32 7->24 dropped 62 Writes to foreign memory regions 7->62 64 Allocates memory in foreign processes 7->64 66 Creates a thread in another existing process (thread injection) 7->66 16 secinit.exe 2 7->16         started        38 onedrive.live.com 12->38 42 2 other IPs or domains 12->42 68 Machine Learning detection for dropped file 12->68 70 Injects a PE file into a foreign processes 12->70 20 DpiScaling.exe 12->20         started        40 onedrive.live.com 14->40 44 2 other IPs or domains 14->44 22 DpiScaling.exe 14->22         started        file6 signatures7 process8 dnsIp9 26 typejimbo.ddns.net 79.134.225.76, 49739, 49747, 49753 FINK-TELECOM-SERVICESCH Switzerland 16->26 28 192.168.2.1 unknown unknown 16->28 46 Contains functionality to steal Chrome passwords or cookies 16->46 48 Contains functionality to capture and log keystrokes 16->48 50 Contains functionality to inject code into remote processes 16->50 52 Contains functionality to steal Firefox passwords or cookies 20->52 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0831a0cc863d2c4d118216b9b915a785f2ea52f6fde777a40138ffe771f1c8c2/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-08-06 09:06:05 UTC
AV detection:
13 of 27 (48.15%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bay2bteghuwe2emcc243sfnhqxzouuxw7xtxpjabhd76o4przdba._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
17c742f29afb5c4352f3fb0079fbb0b2d72da1e65cfc59695f9a7259088b4615
RemcosRAT
512f42f440c86ec0b776da00cb7be1aac494914af73a8d47ada5b6a4b5f208eb
RemcosRAT
52fa8487efeb8b203fb1f37501c366088b71de4ded620695ba2e34e8c0f446a2
RemcosRAT
6eee5d1c67a8e34e6d03d64fca1195bf26ceac2a68f454cc37e743ace0483a9f
RemcosRAT
75b6c107ad6001f2588229fbfdb96dc998fe9f3e44f8df69c98096aceea9aa73
RemcosRAT
a73c8a9fec76b4eac9dadd045f36da263c7c21cf427f4c93f03ecd963a1d69ed
RemcosRAT
d1f06a9a99968fd2cc395b4e3d2f8d1aa515189ce3aae3bf67bf9808380a6316
RemcosRAT
de207ca43d42f8ec2066469bb68012d54652bd20369880c239aca6fb7f5ca0dd
RemcosRAT
e035c0475a5447371bbe31537fb8410273c51d86d16e47d631538f5ce5b0d87d
RemcosRAT
e65bff9943ab7ccc3713619a8d908f6caf5392c0c47defe3b66ca9009d2177ed
RemcosRAT
+ 2'259 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:august persistence rat
Link:
https://tria.ge/reports/210806-ps74a32ana/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
typejimbo.ddns.net:8898
Unpacked files
SH256 hash:
795b2b5d6668147d7924ac96f90741ddc2a2b5003f455fb842b613a286fbf8fc
MD5 hash:
53011b69a7231aea23d66805a681144b
SHA1 hash:
e3d0d157e763c865e79ccc5bedc2fd5fd90413f7
Link:
https://www.unpac.me/results/e8a5f816-0418-404f-9325-78b38a40dab9/
SH256 hash:
0831a0cc863d2c4d118216b9b915a785f2ea52f6fde777a40138ffe771f1c8c2
MD5 hash:
d8e0e1c69f6428c9088df868b798d0b1
SHA1 hash:
f2f6c7c5a07d5783835d7516e34506b5c845a241
Link:
https://www.unpac.me/results/e8a5f816-0418-404f-9325-78b38a40dab9/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/0831a0cc863d/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/0831a0cc863d2c4d118216b9b915a785f2ea52f6fde777a40138ffe771f1c8c2

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_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
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.

Cape
Cape
https://www.capesandbox.com/analysis/176949/

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