MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75b6c107ad6001f2588229fbfdb96dc998fe9f3e44f8df69c98096aceea9aa73. 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 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 75b6c107ad6001f2588229fbfdb96dc998fe9f3e44f8df69c98096aceea9aa73
SHA3-384 hash: 19d9723f4ac20096833c74ba683f29d78e8393e3e1b6c1055e6497def7134e73463dda8a19cf3808fea911682bb9244a
SHA1 hash: 7d56fb1757965377236d265de04b3fec810cfe98
MD5 hash: 736f3c1b37dc7f871643e576a85580d6
humanhash: eight-uranus-sodium-victor
File name:PEDIDO DE COMPRA ASHCROFT - 41901E-001,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:875'520 bytes
First seen:2021-07-27 07:44:04 UTC
Last seen:2021-07-27 08:46:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c76515f33c28ab06b1b9a160bab156ad (3 x RemcosRAT, 1 x Formbook)
ssdeep 12288:pobJq+JP+EWEdlI8BmReMgKToOi7Z8mRfqw4cmGmrXMiE4YCFGQPN+BRKa3:AU2+EXdvwReMgtOQxRfqYmGy9ECDP
Threatray 1'883 similar samples on MalwareBazaar
TLSH T1E2158C7272815832C22636789C0B93A6A93AFD443914B7C77BE9EE3D9F75241353438B
dhash icon c4dcd8c6d4d4ccd4 (3 x RemcosRAT, 2 x Formbook, 1 x AveMariaRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PEDIDO DE COMPRA ASHCROFT - 41901E-001,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-07-27 07:46:54 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5f8c6093-f843-432b-8204-bcafa0ea06bf

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/174256/
Detection(s):
SecuriteInfo.com.Variant.Zusy.395374.4482.7141.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching the default Windows debugger (dwwin.exe)
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:
Dbatloader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1a79f373-bbd5-48e8-ad71-eb1e74cce078
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/822168
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 454579 Sample: PEDIDO DE COMPRA ASHCROFT -... Startdate: 27/07/2021 Architecture: WINDOWS Score: 100 28 goddywin.freedynamicdns.net 2->28 52 Multi AV Scanner detection for domain / URL 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 5 other signatures 2->58 7 PEDIDO DE COMPRA ASHCROFT - 41901E-001,pdf.exe 1 17 2->7         started        12 Jrcviip.exe 15 2->12         started        14 Jrcviip.exe 15 2->14         started        signatures3 process4 dnsIp5 30 goddywin.freedynamicdns.net 7->30 32 onedrive.live.com 7->32 38 2 other IPs or domains 7->38 24 C:\Users\Public\Libraries\...\Jrcviip.exe, PE32 7->24 dropped 60 Writes to foreign memory regions 7->60 62 Allocates memory in foreign processes 7->62 64 Creates a thread in another existing process (thread injection) 7->64 16 mshta.exe 2 7->16         started        34 onedrive.live.com 12->34 40 2 other IPs or domains 12->40 66 Antivirus detection for dropped file 12->66 68 Multi AV Scanner detection for dropped file 12->68 70 Injects a PE file into a foreign processes 12->70 20 mobsync.exe 12->20         started        36 onedrive.live.com 14->36 42 2 other IPs or domains 14->42 22 mobsync.exe 14->22         started        file6 signatures7 process8 dnsIp9 26 goddywin.freedynamicdns.net 185.140.53.11, 49706, 49707, 49708 DAVID_CRAIGGG Sweden 16->26 44 Contains functionality to steal Chrome passwords or cookies 16->44 46 Contains functionality to capture and log keystrokes 16->46 48 Contains functionality to inject code into remote processes 16->48 50 Contains functionality to steal Firefox passwords or cookies 20->50 signatures10
Gathering data
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-07-26 22:06:58 UTC
AV detection:
11 of 28 (39.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ow3mcb5nmaa7ewecfh573olnzgmp5hz6it4n62ojqclkz3vjvjzq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
17c742f29afb5c4352f3fb0079fbb0b2d72da1e65cfc59695f9a7259088b4615
RemcosRAT
512f42f440c86ec0b776da00cb7be1aac494914af73a8d47ada5b6a4b5f208eb
RemcosRAT
52fa8487efeb8b203fb1f37501c366088b71de4ded620695ba2e34e8c0f446a2
RemcosRAT
6eee5d1c67a8e34e6d03d64fca1195bf26ceac2a68f454cc37e743ace0483a9f
RemcosRAT
a73c8a9fec76b4eac9dadd045f36da263c7c21cf427f4c93f03ecd963a1d69ed
RemcosRAT
d1f06a9a99968fd2cc395b4e3d2f8d1aa515189ce3aae3bf67bf9808380a6316
RemcosRAT
d79a8f491c0112c3f26572350336fe7d22674f5550f37894643eba980ae5bd32
RemcosRAT
de207ca43d42f8ec2066469bb68012d54652bd20369880c239aca6fb7f5ca0dd
RemcosRAT
e035c0475a5447371bbe31537fb8410273c51d86d16e47d631538f5ce5b0d87d
RemcosRAT
e65bff9943ab7ccc3713619a8d908f6caf5392c0c47defe3b66ca9009d2177ed
RemcosRAT
+ 1'873 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:good persistence rat
Link:
https://tria.ge/reports/210727-jev5hhwhyx/
Behaviour
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
goddywin.freedynamicdns.net:7310
Unpacked files
SH256 hash:
d174ea83359cec0b0a35da88fa2a1791a1308e35a5e36e83f51a2723e48582a6
MD5 hash:
5c63077607b089e7045eb5e93d8324d9
SHA1 hash:
9ca12c4d6e4a97269d26fe6755aae441276bff42
Link:
https://www.unpac.me/results/bc3a4e81-8dd2-476b-a52d-0f106bbaff45/
SH256 hash:
75b6c107ad6001f2588229fbfdb96dc998fe9f3e44f8df69c98096aceea9aa73
MD5 hash:
736f3c1b37dc7f871643e576a85580d6
SHA1 hash:
7d56fb1757965377236d265de04b3fec810cfe98
Link:
https://www.unpac.me/results/bc3a4e81-8dd2-476b-a52d-0f106bbaff45/
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/75b6c107ad6001f2588229fbfdb96dc998fe9f3e44f8df69c98096aceea9aa73

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.

Malspam

RemcosRAT

Executable exe 75b6c107ad6001f2588229fbfdb96dc998fe9f3e44f8df69c98096aceea9aa73

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/174256/

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