MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d96b554a08cd2f503d6a1ffe5303b34f8bd6f91b369bd95e9d16642b4fece2cb. 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: d96b554a08cd2f503d6a1ffe5303b34f8bd6f91b369bd95e9d16642b4fece2cb
SHA3-384 hash: b8275ab7fa0ba20a696e4f7714cc296e7141301e87dd1b178ae30c7bc72690262849fe0da85101696d5ee14cd3f53e8b
SHA1 hash: 875f3cddb1ea1db27814ee357b15c3b466ab9659
MD5 hash: 7ed4efcb4170373be76de57b794a8ac2
humanhash: blossom-bravo-muppet-foxtrot
File name:PO00876TL.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'034'240 bytes
First seen:2021-02-04 17:12:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:/e9ZxrjcAq4yAJMA55XIsDxqsHFE/dLZHZpRgJVCQ+:/gZxrjsTAPIsGLZHZpuJVCQ
Threatray 463 similar samples on MalwareBazaar
TLSH 9225DF9C366471EFC957D8728AA86C68FA6574BA471F4207D4231AEC9E0CC8BDF504F2
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: vps.helitactica.xyz
Sending IP: 203.159.80.22
From: Ullah Ashraf <office@helitactica.xyz>
Reply-To: Ullah Ashraf <sdmarine861000@gmail.com>
Subject: Re: PO00876TL
Attachment: PO00876TL.zip (contains "PO00876TL.exe")

RemcosRAT C2:
greenfieldsde.duckdns.org:6553 (45.153.242.186)

Intelligence

File Origin
# of uploads :
1
# of downloads :
173
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/115659/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.fc.14250.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
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:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/599598
Signature
Contains functionality to capture and log keystrokes
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected Remcos RAT
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)
PE file contains section with special chars
PE file has nameless sections
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Uses dynamic DNS services
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 348828 Sample: PO00876TL.exe Startdate: 04/02/2021 Architecture: WINDOWS Score: 100 62 Malicious sample detected (through community Yara rule) 2->62 64 Detected Remcos RAT 2->64 66 Yara detected AntiVM_3 2->66 68 7 other signatures 2->68 11 PO00876TL.exe 3 2->11         started        15 remcos.exe 2 2->15         started        17 remcos.exe 2 2->17         started        process3 file4 54 C:\Users\user\AppData\...\PO00876TL.exe.log, ASCII 11->54 dropped 78 Contains functionality to steal Chrome passwords or cookies 11->78 80 Contains functionality to capture and log keystrokes 11->80 82 Contains functionality to inject code into remote processes 11->82 86 2 other signatures 11->86 19 PO00876TL.exe 4 5 11->19         started        84 Injects a PE file into a foreign processes 15->84 22 remcos.exe 15->22         started        24 remcos.exe 17->24         started        signatures5 process6 file7 50 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 19->50 dropped 52 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 19->52 dropped 26 wscript.exe 1 19->26         started        process8 process9 28 cmd.exe 1 26->28         started        process10 30 remcos.exe 3 28->30         started        34 conhost.exe 28->34         started        file11 56 C:\Users\user\AppData\...\remcos.exe.log, ASCII 30->56 dropped 88 Machine Learning detection for dropped file 30->88 90 Contains functionality to steal Chrome passwords or cookies 30->90 92 Contains functionality to capture and log keystrokes 30->92 94 4 other signatures 30->94 36 remcos.exe 2 3 30->36         started        signatures12 process13 dnsIp14 58 greenfieldsde.duckdns.org 45.153.242.186, 49721, 49722, 49735 COMBAHTONcombahtonGmbHDE Germany 36->58 70 Injects a PE file into a foreign processes 36->70 40 remcos.exe 36->40         started        43 remcos.exe 36->43         started        45 remcos.exe 36->45         started        47 7 other processes 36->47 signatures15 process16 dnsIp17 72 Tries to steal Instant Messenger accounts or passwords 40->72 74 Tries to steal Mail credentials (via file access) 40->74 60 192.168.2.1 unknown unknown 47->60 76 Tries to harvest and steal browser information (history, passwords, etc) 47->76 signatures18
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d96b554a08cd2f503d6a1ffe5303b34f8bd6f91b369bd95e9d16642b4fece2cb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-04 17:13:05 UTC
AV detection:
35 of 48 (72.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3fvvksqizuxvaplkd77fga5tj6f5n6i3g2n5sxu5czscwt7m4lfq._file
Verdict:
malicious
Similar samples:
035cba8ea6bbe0336a0221e86b571e530764939150df17f636fd23ad30db3f27
RemcosRAT
0aae2bace47fd4233b42b2ee714d5f46a05fc2970928131c28573d9fbd876552
RemcosRAT
2f85c41ee13d69e68454d97153252e8ba9a3a0e85573427eac0600d41fa6824d
RemcosRAT
33b25ae8a09b3249f6f5a9971d563933e88d20dca6f2b761c308783e164de492
RemcosRAT
6cef436fd5577158e43bd7cc85ea84cdac90044d8e9f93c254ee7ed119fa7aed
RemcosRAT
719bb30fb8ff3d79fd0216bdbc9f9d1b377c1456a20c8d9a26f1a19e283352ba
RemcosRAT
a8889ff384c38b97b5a48ef4e9586df7c281f40e2719fe248b0d252832969521
RemcosRAT
cacfd3f384737f85e02f8c4dfad0689a71b228c8b930995c24da43582f688a64
RemcosRAT
e759db35e2aa047d055ca4d5d089da667aaa39d443a35601784090382f0d1e2a
RemcosRAT
f5b21be44a7076a4414adf52f6bae43d0dfbcd460bc35921e5ea81549ea16f4a
RemcosRAT
+ 453 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence ransomware rat spyware
Link:
https://tria.ge/reports/210204-23s69m1p6e/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
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
Reads user/profile data of web browsers
Executes dropped EXE
NirSoft WebBrowserPassView
Nirsoft
Remcos
Unpacked files
SH256 hash:
3c9a01f892579774ce368a9a2c80166f49fd704c28b36ebbbefeeda837697e89
MD5 hash:
0711c0c7b642c42d209aefe99c4860ff
SHA1 hash:
ff5a790a2f9d133802a521ba942316e83f4adbe0
Link:
https://www.unpac.me/results/4c372ae2-bb0c-42f7-a4d8-31c49baf1645/
SH256 hash:
899e9dc8d5764ee0f92706cb7292b002ba058b55cb00361faafee89396be3945
MD5 hash:
181aeb604de5fff332144ee9d500b2ed
SHA1 hash:
af4ff77fdfe62d01e7ba12ae4a54b67890ee2662
Link:
https://www.unpac.me/results/4c372ae2-bb0c-42f7-a4d8-31c49baf1645/
SH256 hash:
9eb0f9db258c1d196f35bee9a851d1af390a2f901a88c099ebd82e0c6d9cb8e7
MD5 hash:
9ef9ea10c2fbab920d4d68b91373c482
SHA1 hash:
304875528305c4d0cb5aeeb647246a7a8b943909
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/4c372ae2-bb0c-42f7-a4d8-31c49baf1645/
SH256 hash:
d96b554a08cd2f503d6a1ffe5303b34f8bd6f91b369bd95e9d16642b4fece2cb
MD5 hash:
7ed4efcb4170373be76de57b794a8ac2
SHA1 hash:
875f3cddb1ea1db27814ee357b15c3b466ab9659
Link:
https://www.unpac.me/results/4c372ae2-bb0c-42f7-a4d8-31c49baf1645/
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/d96b554a08cd2f503d6a1ffe5303b34f8bd6f91b369bd95e9d16642b4fece2cb

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_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule

File information

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

Malspam

RemcosRAT

zip f47722bf0c5d8e548004e4106ac2d7de6086acd1e77d3e14bc9021343fdad686

RemcosRAT

Executable exe d96b554a08cd2f503d6a1ffe5303b34f8bd6f91b369bd95e9d16642b4fece2cb

(this sample)

  
Dropped by
MD5 936f677c0578bd985f74d566eface839
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/115659/
  
Dropped by
SHA256 f47722bf0c5d8e548004e4106ac2d7de6086acd1e77d3e14bc9021343fdad686

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