MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 09ae45bfdc397f7e2cdae3acf93e09d253162d417aa46de732feb4b9018edc4e. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 09ae45bfdc397f7e2cdae3acf93e09d253162d417aa46de732feb4b9018edc4e
SHA3-384 hash: e27dc3d510ab0fbd96820fc582e8bd12c64d2d9c0c2dc869e093b44d74f5a3acb5bc6fced0164951a13dabcef58ca144
SHA1 hash: f194b4f5c16324d64cf9b38d7172c281ffdb0a1f
MD5 hash: dba6b3d74d75ba18c04741c7ba6f856c
humanhash: river-orange-louisiana-tennis
File name:Shipping document PL and BL0070,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'165'824 bytes
First seen:2020-12-21 07:35:48 UTC
Last seen:2020-12-21 09:34:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:XlFevDYCo7vaMqsNwiyUNnYf5J5pPAJpN:XzaPo74YwmeLAJn
Threatray 1'967 similar samples on MalwareBazaar
TLSH B445CF243EEA541DF273AF755AE47596CAAFF7733B03E45E1080038A4A13A41DE9263D
Reporter abuse_ch
Tags:DHL exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: mail2.promptcheng.com
Sending IP: 164.90.152.139
From: DHL Express <delivery@dhl.com>
Subject: Your DHL Delivery exception -Friday, December 18, 2020
Attachment: Shipping document PL and BL0070,pdf.iso (contains "Shipping document PL and BL0070,pdf.exe")

RemcosRAT C2:
graceman2021.ddns.net

Intelligence

File Origin
# of uploads :
2
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipping document PL and BL0070,pdf.exe
Verdict:
Malicious activity
Analysis date:
2020-12-21 07:36:13 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/29572f61-2b59-4731-9498-2f5cdb8784c3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.tc.21895.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Running batch commands
Result
Gathering data
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/567195
Signature
.NET source code contains very large strings
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
Initial sample is a PE file and has a suspicious name
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 dropped file
Multi AV Scanner detection for submitted file
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
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 332679 Sample: Shipping document PL and BL... Startdate: 21/12/2020 Architecture: WINDOWS Score: 100 76 graceman2021.ddns.net 2->76 90 Malicious sample detected (through community Yara rule) 2->90 92 Multi AV Scanner detection for dropped file 2->92 94 Sigma detected: Scheduled temp file as task from temp location 2->94 96 17 other signatures 2->96 12 Shipping document PL and BL0070,pdf.exe 7 2->12         started        16 remcos.exe 4 2->16         started        18 remcos.exe 2->18         started        signatures3 process4 file5 68 C:\Users\user\AppData\Roaming\rwhQFw.exe, PE32 12->68 dropped 70 C:\Users\user\...\rwhQFw.exe:Zone.Identifier, ASCII 12->70 dropped 72 C:\Users\user\AppData\Local\...\tmp5284.tmp, XML 12->72 dropped 74 Shipping document ... BL0070,pdf.exe.log, ASCII 12->74 dropped 98 Injects a PE file into a foreign processes 12->98 20 Shipping document PL and BL0070,pdf.exe 4 5 12->20         started        23 schtasks.exe 1 12->23         started        25 Shipping document PL and BL0070,pdf.exe 12->25         started        27 schtasks.exe 16->27         started        29 remcos.exe 16->29         started        31 remcos.exe 16->31         started        33 remcos.exe 16->33         started        35 schtasks.exe 18->35         started        37 remcos.exe 18->37         started        signatures6 process7 file8 64 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 20->64 dropped 66 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 20->66 dropped 39 wscript.exe 1 20->39         started        41 conhost.exe 23->41         started        43 conhost.exe 27->43         started        45 conhost.exe 35->45         started        process9 process10 47 cmd.exe 1 39->47         started        process11 49 remcos.exe 5 47->49         started        53 conhost.exe 47->53         started        file12 62 C:\Users\user\AppData\...\remcos.exe.log, ASCII 49->62 dropped 82 Multi AV Scanner detection for dropped file 49->82 84 Machine Learning detection for dropped file 49->84 86 Contains functionality to steal Chrome passwords or cookies 49->86 88 3 other signatures 49->88 55 remcos.exe 49->55         started        58 schtasks.exe 49->58         started        signatures13 process14 dnsIp15 78 graceman2021.ddns.net 185.244.30.22, 1717, 49725, 49726 DAVID_CRAIGGG Netherlands 55->78 80 192.168.2.1 unknown unknown 55->80 60 conhost.exe 58->60         started        process16
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/09ae45bfdc397f7e2cdae3acf93e09d253162d417aa46de732feb4b9018edc4e/
Threat name:
ByteCode-MSIL.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2020-12-21 00:25:08 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bgxelp64hf7x4lg24owpspqj2jjrmlkbpksg3zzs722lsamo3rha._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
46200359aaf042b4f42a8ee7b23b1b573013d80e7335ac8fb5c870dfdd9f02d7
RemcosRAT
4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
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85eb2c7d5206686595f009a4e5a57a5743f736fa457454477377bea7368a2ab8
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aba81a1155ddb5054a5c433eab88203d7551fa52296a98c0f5e376b479da1795
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d34e588c8bef9cef39708c52f7f372bcd4b5fc39e4eaf0b9193aa586a10d7cc2
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dbca71e07993a71f255cbe929c39c43072e2d4e0929134e76385dd741169374d
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e26c95b32b64e3f7b5d72d52be2fd7cb52c7a2c1df25f5337a783a1735f806ad
RemcosRAT
+ 1'957 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/201221-qmwmhmg7tj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
graceman2021.ddns.net:1717
Unpacked files
SH256 hash:
1f92c342bcbe0271d320d0621f4a0598526adc3cde9b698312a6908590e72f58
MD5 hash:
4fa4bd243329fed027b1047cb3e60e67
SHA1 hash:
04a1c7912cf951ce0e62184351854fccdcd4c795
Link:
https://www.unpac.me/results/accc66c6-68d4-485d-bd25-7a5122228a30/
SH256 hash:
1594be79d273d7db09d1524b518779f8db27b0d6c612d6a3ae830f0ade998c0f
MD5 hash:
35f3b5cc201db2056dc0d77a023b7010
SHA1 hash:
3d92e45456b97e3c565dea28230596babbeff08b
Link:
https://www.unpac.me/results/accc66c6-68d4-485d-bd25-7a5122228a30/
SH256 hash:
ad5616e638fd76f42381042e9aa2835709b5e385fff6d07deb085515b799b95d
MD5 hash:
c3949c358ca512a930af0b40ada048d6
SHA1 hash:
403046c4e7b09efc57f621a9e4ac0f5078f39361
Link:
https://www.unpac.me/results/accc66c6-68d4-485d-bd25-7a5122228a30/
SH256 hash:
74b63853644767d52907d939975badf1aff7693adafa1ccf43059f1704ceacc7
MD5 hash:
89d0129b9a5f1b87c132e579905924be
SHA1 hash:
98e69990d7f706bfa0e4c49895da1b9258a9f7f6
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/accc66c6-68d4-485d-bd25-7a5122228a30/
Parent samples :
09ae45bfdc397f7e2cdae3acf93e09d253162d417aa46de732feb4b9018edc4e
aaacdc757d39cd544288dcc7d9fc635dfc4942ed360b63c7be0d79525697fe30
SH256 hash:
09ae45bfdc397f7e2cdae3acf93e09d253162d417aa46de732feb4b9018edc4e
MD5 hash:
dba6b3d74d75ba18c04741c7ba6f856c
SHA1 hash:
f194b4f5c16324d64cf9b38d7172c281ffdb0a1f
Link:
https://www.unpac.me/results/accc66c6-68d4-485d-bd25-7a5122228a30/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/09ae45bfdc397f7e2cdae3acf93e09d253162d417aa46de732feb4b9018edc4e

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:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
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

iso 14e15288c863fd7a11a8054c311714fe788640a695e6e97db824617799e1920e

RemcosRAT

Executable exe 09ae45bfdc397f7e2cdae3acf93e09d253162d417aa46de732feb4b9018edc4e

(this sample)

  
Dropped by
MD5 2cd83ef32c163d0581157b22dd8c46a8
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 14e15288c863fd7a11a8054c311714fe788640a695e6e97db824617799e1920e

Comments