MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 53bcd055cbd5e6095af4dd15128a0a065d1ecd09e2f5882a240fc243ac04a2fe. 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: 9
| SHA256 hash: | 53bcd055cbd5e6095af4dd15128a0a065d1ecd09e2f5882a240fc243ac04a2fe |
|---|---|
| SHA3-384 hash: | 9e5e4ea65966bf1b368044d152fa887cfda2aba3768bafa8719d368a139e9d91789cf767091afeb25e9c8a17b4e76f70 |
| SHA1 hash: | afd0b950c46b8c5ba0ff04ea0a73b792d55760e2 |
| MD5 hash: | d93c492a8f0bfb91d28a196b1f6b2f5d |
| humanhash: | nine-west-delta-hot |
| File name: | Olzcqxcxnf9.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'284'096 bytes |
| First seen: | 2020-11-15 12:14:47 UTC |
| Last seen: | 2020-11-15 13:39:24 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger) |
| ssdeep | 12288:adnqcZ1KOI87bsfpLtsynlncxVhgsbXjt1S9MagYLN+LvZWI:aD |
| Threatray | 1'160 similar samples on MalwareBazaar |
| TLSH | EA558B3D6D882573D177E673A0B906CAFEA46186B2790C4F11C32A4D7D8AF023E9635D |
| Reporter |  GovCERT_CH |
| Tags: | RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Setting a global event handler for the keyboard
Enabling autorun by creating a file
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
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
Creates an undocumented autostart registry key
Detected Remcos RAT
Drops executable to a common third party application directory
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2020-11-13 19:43:59 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'150 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos rat
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
latua.nsupdate.info:7722
fanta.nsupdate.info:7722
coke.nsupdate.info:7722
fanta.nsupdate.info:7722
coke.nsupdate.info:7722
Unpacked files
SH256 hash:
53bcd055cbd5e6095af4dd15128a0a065d1ecd09e2f5882a240fc243ac04a2fe
MD5 hash:
d93c492a8f0bfb91d28a196b1f6b2f5d
SHA1 hash:
afd0b950c46b8c5ba0ff04ea0a73b792d55760e2
SH256 hash:
6d0a00a22c5a1f5540d3de118c6ac6da0e516c9e13d94391f482af59d90d75f5
MD5 hash:
b540a8561e0845f811f0665533bb5d61
SHA1 hash:
2478b884ab43081e5a04cb0c895afd3a4dfda98f
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
SH256 hash:
bdc61f9f0416e86948aa9dc423755161af69fdfae97f687fcf1a6ff528efa2ab
MD5 hash:
676024c6b64024457b58c10a380e10ed
SHA1 hash:
3b5561694e29b0d2583e8df93c694bfa74236363
Detections:
win_remcos_g0
win_remcos_auto
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: | ach_RemcosRAT |
|---|---|
| Author: | abuse.ch |
| Rule name: | Chrome_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Chrome in files like avemaria |
| Rule name: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| Rule name: | Parallax |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies Parallax RAT. |
| Rule name: | Remcos |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Remcos in memory |
| Rule name: | remcos_rat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | win_remcos_auto |
|---|---|
| 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.
b6e4900c93bce07fe1289dd4dbbb0b8c9e87884cca251dd1592a25e02ae5b438
Dropped by
MD5 35d804f8642fe6ae789704e5b29abc3d
Dropped by
SHA256 b6e4900c93bce07fe1289dd4dbbb0b8c9e87884cca251dd1592a25e02ae5b438
Dropped by
RemcosRAT
Delivery method
Distributed via e-mail attachment
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