MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85cb002af1499d7818e4b95b8d130c7edad206f88e514c44e3a3a677cfdf41e3. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 85cb002af1499d7818e4b95b8d130c7edad206f88e514c44e3a3a677cfdf41e3
SHA3-384 hash: 699179f1e14404e5769b3d5793d5cb5388319d92a880134827456f60cf2db5df36f51397b48b1c335ef70f273be8af00
SHA1 hash: 84b3d2eace42230ba5aaf11492c3b5cc45bbbeea
MD5 hash: 9b16e2d4db3d9746b04f85a21a3f6b6f
humanhash: echo-west-carolina-cat
File name:DrAttach001.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:343'936 bytes
First seen:2021-07-16 01:15:10 UTC
Last seen:2021-07-16 01:41:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:+e7pcbtz1klQ/MyWwiy/yOt7oMad2d1vJ8dqMtyxMdQoK68quT:zt6xFWwIOt7oMrEdq4d9L6
Threatray 1'883 similar samples on MalwareBazaar
TLSH T15E740280D694C450C982427FE9E6E5002BB1FECB9032C59A356E7F563E337C36879A5B
Reporter Anonymous
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DrAttach001.exe
Verdict:
Malicious activity
Analysis date:
2021-07-16 01:19:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/32a94d46-0a7b-42e3-83c2-294996e0740d

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/172106/
Detection(s):
SecuriteInfo.com.Trojan005748241.14347.28499.UNOFFICIAL
Create hunting rule

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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/641e3e3e-4a13-4317-8dbb-d10bf3bb8e44
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/817272
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
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 an undocumented autostart registry key
Detected Remcos RAT
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 449683 Sample: DrAttach001.exe Startdate: 16/07/2021 Architecture: WINDOWS Score: 100 53 www.yahoo.com 2->53 55 new-fp-shed.wg1.b.yahoo.com 2->55 57 Multi AV Scanner detection for domain / URL 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 6 other signatures 2->63 8 DrAttach001.exe 1 8 2->8         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\DrAttach001.exe, PE32 8->33 dropped 35 C:\Users\...\DrAttach001.exe:Zone.Identifier, ASCII 8->35 dropped 37 C:\Users\user\AppData\...\DrAttach001.exe.log, ASCII 8->37 dropped 39 C:\Users\user\AppData\Roaming\...xel.exe, PE32 8->39 dropped 65 Creates an undocumented autostart registry key 8->65 67 Writes to foreign memory regions 8->67 69 Injects a PE file into a foreign processes 8->69 12 DrAttach001.exe 8->12         started        15 DrAttach001.exe 8->15         started        17 powershell.exe 19 8->17         started        20 4 other processes 8->20 signatures6 process7 dnsIp8 71 Contains functionality to detect virtual machines (IN, VMware) 12->71 73 Contains functionality to steal Chrome passwords or cookies 12->73 75 Contains functionality to capture and log keystrokes 12->75 77 2 other signatures 12->77 22 WerFault.exe 23 9 15->22         started        41 192.168.2.1 unknown unknown 17->41 43 www.yahoo.com 17->43 45 new-fp-shed.wg1.b.yahoo.com 17->45 25 conhost.exe 17->25         started        47 www.yahoo.com 20->47 49 www.yahoo.com 20->49 51 2 other IPs or domains 20->51 27 conhost.exe 20->27         started        29 conhost.exe 20->29         started        signatures9 process10 file11 31 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 22->31 dropped
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/85cb002af1499d7818e4b95b8d130c7edad206f88e514c44e3a3a677cfdf41e3/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2021-07-16 01:16:05 UTC
AV detection:
10 of 46 (21.74%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qxfqakxrjgoxqghexfny2eymp3nnebxyrziuyrhduothpt67ihrq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0b21cb47c8a19319e7a3ea04878670d09a51e7b377fdcb9e0009f1cb0700348b
RemcosRAT
1cbde001232b05773813dca161a55e63f8e082b7b53f900a4e235d2753bd1957
RemcosRAT
34540a51780e487ff9426db2ea9e2ed985e6c46130439de2e434b4a804446566
RemcosRAT
37a9969f1c0394c3899ffcd2fcebf9c9393bc712da4c80d4cdb2b19adec5334f
RemcosRAT
4c11b7fb217b3675e60d659ce0a2c3eee1bdbd3e3ddba1ad6d762878f62534d1
RemcosRAT
6654c75acd136f37aad63d828eea396361326bb422a91563998ff0302de2bd20
RemcosRAT
ce4962d3126223b4bd68704159cbdc7479fb2df4263fb9f3d57492e770b74a94
RemcosRAT
d45d40989488d330e82db097aa2d857ea5d620526171cd8fb145ef62cb4ea701
RemcosRAT
ed3a96630761ee25131c40b747f50fc55aa85d5e8f631f71bbfc901dd96bac13
RemcosRAT
f19b2e31a0bc55cb5d4ab540605cfeffca6dd241cbe4e96e065d403a7273534a
RemcosRAT
+ 1'873 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:host persistence rat
Link:
https://tria.ge/reports/210716-pgg8pskcex/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Modifies WinLogon for persistence
Remcos
Suspicious use of NtCreateProcessExOtherParentProcess
Malware Config
C2 Extraction:
mexch.ddnsking.com:2401
Unpacked files
SH256 hash:
231d7d37264f5935162b041628c5f92d90d9d67336d0afef28030453f19bb9b0
MD5 hash:
e9e3c54eb0b0b9bdbde321ec24413a88
SHA1 hash:
6dbf5a6e6c4e984892c213cf7d9d86c4807e133e
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/45e92af1-bdec-4037-96b4-750b1c0fe868/
SH256 hash:
93e362edb6c8fdcd91763e6d65760a14ec081fc66e1d56e7a195decf24ec2a94
MD5 hash:
9d6c547d708fe3c389d2169c2b67c17c
SHA1 hash:
1c8657c3752c312cf767b381995c1caeb7480b01
Link:
https://www.unpac.me/results/45e92af1-bdec-4037-96b4-750b1c0fe868/
SH256 hash:
2faf8772c76ce4fcb4e6dde212f11eb9c5e6de329b489b1033afa6fd85364752
MD5 hash:
7ceb28afe39711e321616acb434481f5
SHA1 hash:
0d565d4457ecb063265a78f17de7b268c1876f55
Link:
https://www.unpac.me/results/45e92af1-bdec-4037-96b4-750b1c0fe868/
SH256 hash:
85cb002af1499d7818e4b95b8d130c7edad206f88e514c44e3a3a677cfdf41e3
MD5 hash:
9b16e2d4db3d9746b04f85a21a3f6b6f
SHA1 hash:
84b3d2eace42230ba5aaf11492c3b5cc45bbbeea
Link:
https://www.unpac.me/results/45e92af1-bdec-4037-96b4-750b1c0fe868/
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/85cb002af1499d7818e4b95b8d130c7edad206f88e514c44e3a3a677cfdf41e3

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_KB_CERT_01342592a0010cb1109c11c0519cfd24
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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.

Cape
Cape
https://www.capesandbox.com/analysis/172106/

Comments