MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4a63175a5b34883794756ad7ef57eaa35ff98c919575349bf392a4707a27bfd. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e4a63175a5b34883794756ad7ef57eaa35ff98c919575349bf392a4707a27bfd
SHA3-384 hash: 4c96377983bf00ebc77069e423b502965f03f01f605027a8ea0aaaf1735b00f0a2dccf5295b6a0b5ccce82221ccc26b9
SHA1 hash: bcddbcba0f66b9f51aa206af756bf6ebe53b8765
MD5 hash: c7850de9c38bcab0a4212fd1a1277fd2
humanhash: tennessee-nevada-south-six
File name:PO# 18738.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:711'680 bytes
First seen:2023-04-26 08:23:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'751 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:HqVd60DEOyc2Beh1nSwxyP8LvfzK2iCkPCuvWFavvCAEkRgR3rWT:noES2BWoyLvbK9WwCABQb4
Threatray 1'859 similar samples on MalwareBazaar
TLSH T188E4AC3C99EE49E7D135F1B2CEB98865F1A3C66372918D3969DB02454643EC326C02BF
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
274
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
PO# 18738.exe
Verdict:
Malicious activity
Analysis date:
2023-04-26 08:32:28 UTC
Tags:
remcos
Link:
https://app.any.run/tasks/2cf18a7d-8035-4cac-86d5-a2f85cccd413

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/385019/
Detection(s):
SecuriteInfo.com.Trojan.Olock.1.12771.28440.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Setting a keyboard event handler
Sending a custom TCP request
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo jigsaw packed
Link:
https://www.filescan.io/uploads/6448dfa4b9bd3bd21cc0f22b/reports/1f42de71-9ae7-41c5-aa73-8be5f0798c8a/overview
Verdict:
Malicious
Labled as:
Trojan.Olock.Generic
Link:
https://www.hybrid-analysis.com/sample/e4a63175a5b34883794756ad7ef57eaa35ff98c919575349bf392a4707a27bfd
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/066ee661-43c2-4033-92aa-5e352e64bff1
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1221649
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 854600 Sample: PO#_18738.exe Startdate: 26/04/2023 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 10 other signatures 2->43 7 SIUmpiWdPbhpC.exe 5 2->7         started        10 PO#_18738.exe 6 2->10         started        process3 file4 47 Antivirus detection for dropped file 7->47 49 Multi AV Scanner detection for dropped file 7->49 51 Machine Learning detection for dropped file 7->51 57 4 other signatures 7->57 13 schtasks.exe 1 7->13         started        15 SIUmpiWdPbhpC.exe 7->15         started        27 C:\Users\user\AppData\...\SIUmpiWdPbhpC.exe, PE32 10->27 dropped 29 C:\Users\user\AppData\Local\...\tmp14AB.tmp, XML 10->29 dropped 31 C:\Users\user\AppData\...\PO#_18738.exe.log, ASCII 10->31 dropped 53 Uses schtasks.exe or at.exe to add and modify task schedules 10->53 55 Injects a PE file into a foreign processes 10->55 17 PO#_18738.exe 2 14 10->17         started        21 schtasks.exe 1 10->21         started        signatures5 process6 dnsIp7 23 conhost.exe 13->23         started        33 gdyhjjdhbvxgsfe.gotdns.ch 37.139.129.71, 2718, 49696 LVLT-10753US Germany 17->33 35 geoplugin.net 178.237.33.50, 49697, 80 ATOM86-ASATOM86NL Netherlands 17->35 45 Installs a global keyboard hook 17->45 25 conhost.exe 21->25         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e4a63175a5b34883794756ad7ef57eaa35ff98c919575349bf392a4707a27bfd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-04-26 03:14:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4stdc5nfwneig6khk2wx55l6vi277ggjdflvgsn7heveob5cpp6q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
07050af33c4d45af03caa34bbf61a832ec4cfb84535aaae85097176e0defcf11
RemcosRAT
18a39f6193c69dae7ea38aa9dd25fddabdb651c4276e242d0b585bd13c49c3a9
RemcosRAT
3bb3809def3682ee9d4f1dee904c6e09ebf574a48f2c0edba910313ee2e4d9dc
RemcosRAT
490f282d4fd00248b4f2c3ee4b5586d7af9b8cef6702f035abfee65482289d99
RemcosRAT
6760ae6bf21620a631a5fd3c6d56a01080be0fa127db8322ec2eb87ce17728e7
RemcosRAT
7a2d285fe35b5030edfc71be23f97d3dc8ace48f6a7183135bd59c14d8dfd33f
RemcosRAT
8b6a0f607c8aa32a95838d10b496bdbd68b86a457ef49f8043badb21f5b12b2a
RemcosRAT
e359436a84893d01ef907930d534a4e7688da9e02efcf42875bd69410dfff89c
RemcosRAT
fe13c562eb51184678071a87b4a1383fd1103b867c45510895d9cc9a817b155b
RemcosRAT
+ 1'849 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/230426-kap1vaga98/
Behaviour
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
gdyhjjdhbvxgsfe.gotdns.ch:2718
Unpacked files
SH256 hash:
6128b5a57d743219848745f674f64d4883d9d814b2d62de75270f45ae820ec54
MD5 hash:
f0d235228893ee40d3795e01735b098e
SHA1 hash:
da5a626788cdb88a3861030b32615b34901d9347
Link:
https://www.unpac.me/results/c4cd0b7f-7a69-423d-982c-ad807030b494/
SH256 hash:
ea8d4c91ec5bba5e1db6c17730d7ba5cdbb5ff3c1a777f70c90e91ce599d9b5d
MD5 hash:
27f5124bf8f451bca8d8a15c73c4f521
SHA1 hash:
5fd557e109b8fd1c3b362b64f0ba9f1600c07211
Link:
https://www.unpac.me/results/c4cd0b7f-7a69-423d-982c-ad807030b494/
SH256 hash:
94a4e5c7a3524175c0306c5748c719a940a7bfbe778c5a16627193a684fa10f0
MD5 hash:
23fd189553e4730f972c2f5110820080
SHA1 hash:
15b7a27f00cde9d7a5044ced7578a574fde0bc7b
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/c4cd0b7f-7a69-423d-982c-ad807030b494/
Parent samples :
94a4e5c7a3524175c0306c5748c719a940a7bfbe778c5a16627193a684fa10f0
e4a63175a5b34883794756ad7ef57eaa35ff98c919575349bf392a4707a27bfd
7a1bb4fe0f62425fdd2e163ea17d84465323c4f2df8aabb8a50b1433e7d42a9f
SH256 hash:
e4a63175a5b34883794756ad7ef57eaa35ff98c919575349bf392a4707a27bfd
MD5 hash:
c7850de9c38bcab0a4212fd1a1277fd2
SHA1 hash:
bcddbcba0f66b9f51aa206af756bf6ebe53b8765
Link:
https://www.unpac.me/results/c4cd0b7f-7a69-423d-982c-ad807030b494/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e4a63175a5b3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

RemcosRAT

Executable exe e4a63175a5b34883794756ad7ef57eaa35ff98c919575349bf392a4707a27bfd

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/385019/

Comments