MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6977b9a40a17a0adc85487b7c8095d295257c6a74ec335d22b76a70884d0cac. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f6977b9a40a17a0adc85487b7c8095d295257c6a74ec335d22b76a70884d0cac
SHA3-384 hash: 2f8fe1224b84f6194b09366d7d13010bba2f2bccd3886cb9863923c80acbcbaea24c74fe8366e141617b7aae02a1895d
SHA1 hash: 4eca4c05cc07c914bb9262827bc346b785820f23
MD5 hash: 79a277b0c7b01c5ea894595a7047da3a
humanhash: bakerloo-speaker-friend-vegan
File name:Nueva orden de confirmación #PO76008,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:918'528 bytes
First seen:2020-10-23 11:52:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'598 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:4c4jejy8Ek8Jih07RqGiWymkG56iE8oq:4xjejy8Ek8JQDH
Threatray 963 similar samples on MalwareBazaar
TLSH AE15CF4263988B54F8BE53385935C43057F6BC56A23AD26CBDC138EF3DB3B818A15627
Reporter abuse_ch
Tags:ESP exe geo RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: mail.nipponcarsrl.com.ar
Sending IP: 200.114.86.103
From: Ivan Bohman C.A. <info4@bohman.com.ec>
Subject: SOLICITUD DE LISTA DE PRECIOS AL POR MAYOR
Attachment: Nueva orden de confirmación #PO76008,pdf.iso (contains "Nueva orden de confirmación #PO76008,pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/75043/
Detection(s):
SecuriteInfo.com.Artemis79A277B0C7B0.12104.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Enabling autorun by creating a file
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/508093
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Binary contains a suspicious time stamp
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
Detected Remcos RAT
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 303167 Sample: Nueva orden de confirmaci#U... Startdate: 23/10/2020 Architecture: WINDOWS Score: 100 32 Multi AV Scanner detection for domain / URL 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->36 38 12 other signatures 2->38 7 Nueva orden de confirmaci#U00f3n #PO76008,pdf.exe 7 2->7         started        process3 file4 20 C:\Users\user\AppData\...\bNomwadLzI.exe, PE32 7->20 dropped 22 C:\Users\...\bNomwadLzI.exe:Zone.Identifier, ASCII 7->22 dropped 24 C:\Users\user\AppData\Local\...\tmpEB1E.tmp, XML 7->24 dropped 26 Nueva orden de con...PO76008,pdf.exe.log, ASCII 7->26 dropped 40 Writes to foreign memory regions 7->40 42 Allocates memory in foreign processes 7->42 44 Injects a PE file into a foreign processes 7->44 11 vbc.exe 2 3 7->11         started        16 schtasks.exe 1 7->16         started        signatures5 process6 dnsIp7 30 zubbymoney4life.ddns.net 79.134.225.69, 1765, 49725 FINK-TELECOM-SERVICESCH Switzerland 11->30 28 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 11->28 dropped 46 Contains functionality to steal Chrome passwords or cookies 11->46 48 Contains functionality to capture and log keystrokes 11->48 50 Contains functionality to inject code into remote processes 11->50 52 Contains functionality to steal Firefox passwords or cookies 11->52 18 conhost.exe 16->18         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f6977b9a40a17a0adc85487b7c8095d295257c6a74ec335d22b76a70884d0cac/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-23 11:24:40 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=62lxxgsauf5avxefjb5xzaev2kksk7dkotwdgxjcw5vhbccnbswa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
2fe26662d53b976914fd7bd9fbb589f5bd4114f47753c9437593b29fcd04c236
RemcosRAT
564d8ca154a08dbbe3af33d3ec5b5345c31fa8a56d536f9b22063c99db8455d7
RemcosRAT
6bc296fc9ae6bdb27ca23398f69bfb7b44d69734ff0e03a3322fdf688117e2f5
RemcosRAT
911f22d0fdceeec6e8e6426b0111c1632e6b70f21940584aa05345ac470c4c4f
RemcosRAT
9e184fecd3e0be67e11c78d407fe8e1f5f75573b32801bf00055745ef3c86225
RemcosRAT
c3c62460fce1e7c6964339da00bc229e02872c21de66a35c3aba8592ef7a8872
RemcosRAT
cc15e8a9e04355389815d8a7be4c34746c87a2a9d672e426c01b00ad0a583069
RemcosRAT
d8e49c2f12a39f106cc3449ec923265bb5cd10d8b67cc58f45719c9ed4b666f1
RemcosRAT
d9503dc6cff1393c176eb25789982c93cd5055f27934c43e57154c642d2ea5d4
RemcosRAT
f535414d7bdcacff5db6ba209be888ebcd7996b1602a3b78a574b72d03cca147
RemcosRAT
+ 953 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
rat family:remcos
Link:
https://tria.ge/reports/201023-rl4t1tm7wx/
Behaviour
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
zubbymoney4life.ddns.net:1765
Unpacked files
SH256 hash:
40b3f9bc3483364868506d9574a283f9c9dd104ad6686172f8f697baaf30d090
MD5 hash:
3ea16a46092f1c8846d3a17a66a0a42b
SHA1 hash:
2c15359713f60c727a464983d57e96f0a0d28fae
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/7ebee123-00bc-405b-8d09-6f53e5ff873b/
SH256 hash:
6bfbcfa5e10fb8662c7b6d6f8191998497d4dbf0a313e6344ce3ae8a4b88f66f
MD5 hash:
1a32d8b5cb0b84dc0dbc678faded56a0
SHA1 hash:
3eed41764c955c291641385647e23321133b554f
Link:
https://www.unpac.me/results/7ebee123-00bc-405b-8d09-6f53e5ff873b/
SH256 hash:
1a4b0b52b3daa48b2943302eaecb40e4458301abf20b2110ff857d602eb6b722
MD5 hash:
a8d17b9c289cfbefbe742546a6b7c3e0
SHA1 hash:
4ecfd26b7d4574993d6539f7974b1ab666aa9445
Link:
https://www.unpac.me/results/7ebee123-00bc-405b-8d09-6f53e5ff873b/
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
Link:
https://www.unpac.me/results/7ebee123-00bc-405b-8d09-6f53e5ff873b/
SH256 hash:
f6977b9a40a17a0adc85487b7c8095d295257c6a74ec335d22b76a70884d0cac
MD5 hash:
79a277b0c7b01c5ea894595a7047da3a
SHA1 hash:
4eca4c05cc07c914bb9262827bc346b785820f23
Link:
https://www.unpac.me/results/7ebee123-00bc-405b-8d09-6f53e5ff873b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f6977b9a40a17a0adc85487b7c8095d295257c6a74ec335d22b76a70884d0cac

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:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
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:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

9baa184266fd8b36243cb965030b7902

RemcosRAT

Executable exe f6977b9a40a17a0adc85487b7c8095d295257c6a74ec335d22b76a70884d0cac

(this sample)

  
Dropped by
MD5 9baa184266fd8b36243cb965030b7902
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/75043/

Comments