MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1937bc0326abde4ce4a9f3cac4fac05de2926bfec9be2ea40200b9682bebe30. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d1937bc0326abde4ce4a9f3cac4fac05de2926bfec9be2ea40200b9682bebe30
SHA3-384 hash: 8cb7266378e5cdffacada270a54adf2ab9178d8b6674736de858e7fc54e658451283c9b5900eedc6be66b6279957da32
SHA1 hash: 6c15b308b41065a646bff69ce629efe8b673e6cc
MD5 hash: a2c8392f47662eb08f743b75912fe84a
humanhash: wisconsin-july-bakerloo-freddie
File name:a2c8392f47662eb08f743b75912fe84a.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:444'416 bytes
First seen:2023-02-07 07:59:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fe0b55a75647240d63e8d2d6140a4c09 (10 x RedLineStealer, 7 x Amadey, 5 x Smoke Loader)
ssdeep 12288:olUMX5Lyl/bvlQkJYJTN9Z+pcHFx5kjIKhP7:ohLq/bvlQkJYJBzYcHFxGd
Threatray 2'592 similar samples on MalwareBazaar
TLSH T13794013278D0D0B2C5A358345924D7A13ABEB6311E7CD647376D16BA6FB23E1123A31B
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon a5a68686a49bb098 (1 x RemcosRAT)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
a2c8392f47662eb08f743b75912fe84a.exe
Verdict:
Malicious activity
Analysis date:
2023-02-07 08:00:06 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/0d2e6ccf-fb55-4886-911b-a4347e38ba28

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/361250/
Detection(s):
SecuriteInfo.com.MSIL-44.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a process from a recently created file
Launching a process
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed remcos smokeloader
Link:
https://www.filescan.io/uploads/63e2050489bd67c10fdcf06c/reports/d85dc6bd-0d73-4c6e-8d95-52c264794786/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/d1937bc0326abde4ce4a9f3cac4fac05de2926bfec9be2ea40200b9682bebe30
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/16a18365-23a6-4973-8b61-f9c009389916
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1167430
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 800197 Sample: I0cw79iwmz.exe Startdate: 07/02/2023 Architecture: WINDOWS Score: 100 63 Malicious sample detected (through community Yara rule) 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 Yara detected UAC Bypass using CMSTP 2->67 69 3 other signatures 2->69 7 I0cw79iwmz.exe 1 4 2->7         started        11 _echosoftwarelic.exe 2->11         started        13 _echosoftwarelic.exe 2->13         started        16 _echosoftwarelic.exe 2->16         started        process3 dnsIp4 55 C:\Users\user\...\_echosoftwarelic.exe, PE32 7->55 dropped 57 C:\...\_echosoftwarelic.exe:Zone.Identifier, ASCII 7->57 dropped 75 Detected unpacking (changes PE section rights) 7->75 77 Detected unpacking (overwrites its own PE header) 7->77 18 _echosoftwarelic.exe 7->18         started        22 WerFault.exe 9 7->22         started        25 WerFault.exe 9 7->25         started        37 5 other processes 7->37 79 Multi AV Scanner detection for dropped file 11->79 81 Contains functionality to bypass UAC (CMSTPLUA) 11->81 83 Contains functionality to steal Chrome passwords or cookies 11->83 89 3 other signatures 11->89 27 WerFault.exe 10 11->27         started        29 WerFault.exe 11->29         started        31 WerFault.exe 11->31         started        61 solo.chessregister.rss-search.anondns.net 13->61 85 Writes to foreign memory regions 13->85 87 Maps a DLL or memory area into another process 13->87 33 WerFault.exe 16->33         started        35 WerFault.exe 16->35         started        file5 signatures6 process7 dnsIp8 59 solo.chessregister.rss-search.anondns.net 58.96.75.176, 49697, 49698, 8443 EXETEL-AS-APExetelPtyLtdAU Australia 18->59 71 Writes to foreign memory regions 18->71 73 Maps a DLL or memory area into another process 18->73 39 WerFault.exe 18->39         started        41 WerFault.exe 18->41         started        43 C:\ProgramData\Microsoft\...\Report.wer, Unicode 22->43 dropped 45 C:\ProgramData\Microsoft\...\Report.wer, Unicode 25->45 dropped 47 C:\ProgramData\Microsoft\...\Report.wer, Unicode 37->47 dropped 49 C:\ProgramData\Microsoft\...\Report.wer, Unicode 37->49 dropped 51 C:\ProgramData\Microsoft\...\Report.wer, Unicode 37->51 dropped 53 2 other malicious files 37->53 dropped file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d1937bc0326abde4ce4a9f3cac4fac05de2926bfec9be2ea40200b9682bebe30/
Threat name:
Win32.Trojan.Raccoon
Create hunting rule
Status:
Malicious
First seen:
2023-02-02 19:21:36 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
33 of 39 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2gjxxqbsnk66jtskt46kyt5maxpcsjv75sn6f2saeafznav6xyya._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
032f8672b774c3a0edd3b84b0f809e1901319a2b0a4a60704e75f92bdac4f7bb
RemcosRAT
23dd65161a7f297125c40f5c9e12d9c0bc9c314021a74de9d47ec8bc13146b18
RemcosRAT
62f4359aef9d0d604c03c099da375debd0d98f20cf4f673a5a32bd64989076ca
RemcosRAT
631e26376c6eec5070da9a40c576e0aa99fdc91cc53d0e0ee96d68b8cf3f97e6
RemcosRAT
808bb32f710ae23d2a4b53b873f766bf56d905dbe8e51810edd15ff79538cd94
RemcosRAT
a06b22bc855434e422e2361ed4e07e88c5958b5bebecc34020c3c011b0ce03b2
RemcosRAT
a4da37e92ca54c8851ad144fba875b61e2018f69bbe43b11926d8f8d831b56f0
RemcosRAT
d542654502d1d20bd12562b35902d69e78236e4fc1246617788bb8d0d695b86c
RemcosRAT
+ 2'582 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:r43-rel2 persistence rat
Link:
https://tria.ge/reports/230207-jvzkcaac84/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
solo.chessregister.rss-search.anondns.net:8443
Unpacked files
SH256 hash:
8bbd25c48cdf3855b8005d8a1ff43ea414a52e4c2d8af5b148f94887eb3c7a37
MD5 hash:
121dafb3abfac91bff81d0997a2f3a20
SHA1 hash:
d9fb267feb12390f7e35d6665a4ec3fc5593bd48
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/804d732e-b810-43c4-9eaf-5dd250c22562/
Parent samples :
d1937bc0326abde4ce4a9f3cac4fac05de2926bfec9be2ea40200b9682bebe30
ed61a0c490e5b16ba93721a48865fb3312c314d2b42df1c45c997e2347e0fbea
SH256 hash:
d1937bc0326abde4ce4a9f3cac4fac05de2926bfec9be2ea40200b9682bebe30
MD5 hash:
a2c8392f47662eb08f743b75912fe84a
SHA1 hash:
6c15b308b41065a646bff69ce629efe8b673e6cc
Link:
https://www.unpac.me/results/804d732e-b810-43c4-9eaf-5dd250c22562/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d1937bc0326a/report/overview.html
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/d1937bc0326abde4ce4a9f3cac4fac05de2926bfec9be2ea40200b9682bebe30

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB

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/361250/

Comments