MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d0dde0ce53f187ed39096c8f44d89ad1afabe101156e03ce4a92f0021e74007a. 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: 12


Intelligence 12 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d0dde0ce53f187ed39096c8f44d89ad1afabe101156e03ce4a92f0021e74007a
SHA3-384 hash: c95c07021c3722be2ba0059935a92d34e933970d63d37077d1227e6691c29b1ea7f25e3bdcfe0120b7f79e843a64ec3d
SHA1 hash: 8540cb6c0edd6f63d177e06e67f14a5e89cc8aba
MD5 hash: 8400ac59c05641bb26fd40e2236a20df
humanhash: venus-alpha-gee-edward
File name:d88e07467ddcf9e3b19fa972b9f000d1.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:627'712 bytes
First seen:2021-02-19 11:00:03 UTC
Last seen:2021-02-19 12:59:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Hv6GE26ZFEQgy6U4pslkXkkE+oApCJWX0iSxevT:P6GReF2yZssgXp8WX0FxK
Threatray 1'548 similar samples on MalwareBazaar
TLSH FFD4BD0172A88F1AE03A47F95421A61453F5BB99783ED78D8DE2B4EF3B72F808D01653
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: slot0.groveressentials.xyz
Sending IP: 203.159.80.67
From: Sales16 - PCMT <order@groveressentials.xyz>
Subject: Inquiry/2021/FEB-019/QUOTATION 20210219 PURCHASE ORDER (НОВЫЙ ЗАКАЗ)
Attachment: d88e07467ddcf9e3b19fa972b9f000d1.gz (contains "d88e07467ddcf9e3b19fa972b9f000d1.exe")

RemcosRAT C2:
sandshoe.myfirewall.org

Intelligence

File Origin
# of uploads :
2
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/117993/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.42850.21809.14809.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Deleting a recently created file
Running batch commands
Launching a process
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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.
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/612613
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
Detected Remcos RAT
Detected unpacking (creates a PE file in dynamic memory)
Drops PE files with benign system names
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 dropped file
Sigma detected: Remcos
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 355319 Sample: d88e07467ddcf9e3b19fa972b9f... Startdate: 19/02/2021 Architecture: WINDOWS Score: 100 62 sandshoe.myfirewall.org 2->62 76 Multi AV Scanner detection for domain / URL 2->76 78 Found malware configuration 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 7 other signatures 2->82 14 d88e07467ddcf9e3b19fa972b9f000d1.exe 3 2->14         started        18 svchost.exe 2 2->18         started        20 svchost.exe 2->20         started        23 5 other processes 2->23 signatures3 process4 dnsIp5 60 d88e07467ddcf9e3b19fa972b9f000d1.exe.log, ASCII 14->60 dropped 100 Contains functionality to steal Chrome passwords or cookies 14->100 102 Contains functionality to capture and log keystrokes 14->102 104 Contains functionality to inject code into remote processes 14->104 108 2 other signatures 14->108 25 d88e07467ddcf9e3b19fa972b9f000d1.exe 4 5 14->25         started        28 d88e07467ddcf9e3b19fa972b9f000d1.exe 14->28         started        106 Injects a PE file into a foreign processes 18->106 30 svchost.exe 18->30         started        68 sandshoe.myfirewall.org 20->68 70 127.0.0.1 unknown unknown 23->70 32 svchost.exe 23->32         started        file6 signatures7 process8 file9 56 C:\Users\user\AppData\Roaming\...\svchost.exe, PE32 25->56 dropped 58 C:\Users\user\...\svchost.exe:Zone.Identifier, ASCII 25->58 dropped 34 wscript.exe 1 25->34         started        process10 process11 36 cmd.exe 1 34->36         started        process12 38 svchost.exe 3 36->38         started        41 conhost.exe 36->41         started        signatures13 84 Multi AV Scanner detection for dropped file 38->84 86 Detected unpacking (creates a PE file in dynamic memory) 38->86 88 Machine Learning detection for dropped file 38->88 90 Injects a PE file into a foreign processes 38->90 43 svchost.exe 4 3 38->43         started        process14 dnsIp15 72 sandshoe.myfirewall.org 79.134.225.105, 2404, 49731, 49732 FINK-TELECOM-SERVICESCH Switzerland 43->72 74 192.168.2.1 unknown unknown 43->74 92 System process connects to network (likely due to code injection or exploit) 43->92 94 Writes to foreign memory regions 43->94 96 Allocates memory in foreign processes 43->96 98 Injects a PE file into a foreign processes 43->98 47 svchost.exe 12 43->47         started        signatures16 process17 process18 49 iexplore.exe 47->49         started        process19 51 iexplore.exe 49->51         started        54 iexplore.exe 49->54         started        dnsIp20 64 github.com 140.82.121.3, 443, 49743, 49744 GITHUBUS United States 51->64 66 avatars.githubusercontent.com 185.199.108.133, 443, 49747, 49748 FASTLYUS Netherlands 51->66
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d0dde0ce53f187ed39096c8f44d89ad1afabe101156e03ce4a92f0021e74007a/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-02-19 11:00:09 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2do6btst6gd62oijnshujwe22gx2xyibcvxahtskslyaehtuab5a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
3b1b352f3c4d0fe235b45d9db418e1e4155ab31265ee368ed646ac38071a2eda
RemcosRAT
4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
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4b8335250b1cfcb5fac9790261dd43f5efcbc187c68961ee5afd34662d0599ed
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5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
RemcosRAT
64c73b41940ad0345b978a0118d9811e5dff411c1c7fd21425eda73066a5bbe1
RemcosRAT
82027bdaf86e2d0da1c45ede5efd820a1cbaace1b1b8f7675b8115d82db75f26
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abb4163c6b54005775d4b62e00a5a8fd403c4fa474380935ac4d311058341e51
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d34e588c8bef9cef39708c52f7f372bcd4b5fc39e4eaf0b9193aa586a10d7cc2
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dfd3c33bf7be405cea03a045f3df2d9ff35f04c7da918eb916b6f224a58eea1f
RemcosRAT
e26c95b32b64e3f7b5d72d52be2fd7cb52c7a2c1df25f5337a783a1735f806ad
RemcosRAT
+ 1'538 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210219-9dgadbjgf6/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
sandshoe.myfirewall.org:2404
Unpacked files
SH256 hash:
f763673837a3c425198e873d82498a24aafda884b09788f11f2b157f9e63d5d0
MD5 hash:
4b9bbbf463abe4b2adf501d287a67c96
SHA1 hash:
6d4be1ecd4c3c8710a68211cfba3bcd3f898a75e
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/7bedaf11-6eef-4690-a5af-83a4c532fcee/
Parent samples :
d0dde0ce53f187ed39096c8f44d89ad1afabe101156e03ce4a92f0021e74007a
0d087c258adf5b64cdfeb72b7f8d06a34f6b0ec4179938b34b3ac3009c946a0a
647bdf2171bb254e9d42588d2f58c26d7057daf80da8cd1ec70bb89d71b4d47a
8737cdfdcf2aa430ccfa6b2c1834a3c0768c201f4a77e3e5315e2bdbc3134a68
SH256 hash:
aa3eff9094d7494fceb8a34765a2fa726feab82cc8c3846516d37f2739b6fd86
MD5 hash:
bd0db5a01be210fdbf6636dd3dd0d028
SHA1 hash:
18cce6b3869eae7138ef3c7d15771378b493a910
Link:
https://www.unpac.me/results/7bedaf11-6eef-4690-a5af-83a4c532fcee/
SH256 hash:
f0a09c48af16c079c37ad0914f18897976357981fe5ee6f556ab9f9f70b9a671
MD5 hash:
f984a71581f6da5732110be2a569a392
SHA1 hash:
10de05b6b35fc5dbc00c42d59a4b850bcaae01e6
Link:
https://www.unpac.me/results/7bedaf11-6eef-4690-a5af-83a4c532fcee/
SH256 hash:
d0dde0ce53f187ed39096c8f44d89ad1afabe101156e03ce4a92f0021e74007a
MD5 hash:
8400ac59c05641bb26fd40e2236a20df
SHA1 hash:
8540cb6c0edd6f63d177e06e67f14a5e89cc8aba
Link:
https://www.unpac.me/results/7bedaf11-6eef-4690-a5af-83a4c532fcee/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Backdoor
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d0dde0ce53f187ed39096c8f44d89ad1afabe101156e03ce4a92f0021e74007a

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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: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: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.

Malspam

RemcosRAT

tar 6a6a6a9b2aacf2d9160c9fbf3d4addcb93f7d7b9d13a7d7bcecbd33777ffc153

RemcosRAT

Executable exe d0dde0ce53f187ed39096c8f44d89ad1afabe101156e03ce4a92f0021e74007a

(this sample)

  
Dropped by
MD5 6dd305d7b517434d31ed75b706c061fd
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/117993/
  
Dropped by
SHA256 6a6a6a9b2aacf2d9160c9fbf3d4addcb93f7d7b9d13a7d7bcecbd33777ffc153

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