MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a57defebe6f605e5c8ec0233fc81166f9a53abfc2465be6a738072d3e44fa414. 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
| SHA256 hash: | a57defebe6f605e5c8ec0233fc81166f9a53abfc2465be6a738072d3e44fa414 |
|---|---|
| SHA3-384 hash: | 7b417084e180893728d605dfe3828f51b3ad2019fc25a5f131062abad7d4b9a2f71557fed48650a49d48e3d4012baf38 |
| SHA1 hash: | 6b2cb56eef2d747e5f68a688e0cb1f5d6a8d587a |
| MD5 hash: | 72272f92ab113c161fb94932d478dd1b |
| humanhash: | connecticut-bakerloo-asparagus-floor |
| File name: | 72272f92ab113c161fb94932d478dd1b |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'797'632 bytes |
| First seen: | 2021-08-12 15:20:23 UTC |
| Last seen: | 2021-08-12 17:42:27 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 24576:aVHXdjBCInPMSS1ttRYLSDab65NCANZZS5R0:aVHXdkIn+PnUKCAN3B |
| Threatray | 13 similar samples on MalwareBazaar |
| TLSH | T13E859F3D19B92637C1A5C6758AE18817F0409CAF31D1A9BC94D27F66C3F2A5335832EE |
| dhash icon | 0c3269d44569300c (17 x AgentTesla, 8 x Formbook, 7 x SnakeKeylogger) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe RemcosRAT |
Intelligence
File Origin
# of uploads :
3
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
JUNE -- JULY SOA---- Worldwide Partner--WWP SC+SHA.xlsx
Verdict:
Malicious activity
Analysis date:
2021-08-12 13:48:58 UTC
Tags:
encrypted exploit CVE-2017-11882 rat remcos
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Connection attempt
Sending a custom TCP request
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
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
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 dropped file
Multi AV Scanner detection for submitted file
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-08-12 13:58:56 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
+ 3 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
45.137.22.101:5888
Unpacked files
SH256 hash:
33ac6b8012ce739e72022086b5d39b7fc030c20fa72988f76957685509d5c041
MD5 hash:
83f8ae95a7e6f016f6b00482588086e6
SHA1 hash:
70392939d6d60a913b51084ec1d98eaae8ca4868
SH256 hash:
9d5f53ff661746b97e3f4294d50ede95dcba29f34f5eff3b26b174373a648ad7
MD5 hash:
680990d62466275da95c547fcb92b131
SHA1 hash:
89c6f670f23ca550dd4ff678bc37f704f913f032
SH256 hash:
b99da2391cfa71d44b94b3fad454ba2b538d38ce7d12f37f7f2f604a5ef8067a
MD5 hash:
cb4207e174c78f000889dc9f3aa93d0c
SHA1 hash:
8cb802e4cb5df80c4ce13e732732c88576075918
Detections:
win_remcos_g0
SH256 hash:
a57defebe6f605e5c8ec0233fc81166f9a53abfc2465be6a738072d3e44fa414
MD5 hash:
72272f92ab113c161fb94932d478dd1b
SHA1 hash:
6b2cb56eef2d747e5f68a688e0cb1f5d6a8d587a
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| Author: | abuse.ch |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer |
|---|---|
| Author: | ditekSHen |
| Description: | detects Windows exceutables potentially bypassing UAC using eventvwr.exe |
| Rule name: | pe_imphash |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | remcos_rat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.url : hxxp://198.23.251.109/global/vbc.exe