MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f9757e655b46d179dfadee752d8d147d1ef2add907a8712755dffc158667b1e4. 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
| SHA256 hash: | f9757e655b46d179dfadee752d8d147d1ef2add907a8712755dffc158667b1e4 |
|---|---|
| SHA3-384 hash: | b4d4f4bae82616aa48d5ae25579be9a71b813c5d90a29f2fc7adc845354e14dcb9d5913e0f6be1525541adb838224241 |
| SHA1 hash: | 8624c280514a5d01551e54e2a635022a076cf73d |
| MD5 hash: | 5d571d0af301aea2a2f2df9ac80aa3b0 |
| humanhash: | carpet-cardinal-idaho-sweet |
| File name: | bOsb.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 238'080 bytes |
| First seen: | 2023-07-17 09:08:00 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | bc4f8e98d1041d53dd63bfb91ed10d0a (52 x RemcosRAT) |
| ssdeep | 6144:4vGSN9gWuLpcBKnVBYAsmrzpyDfOXXVYBX:4vbGWulcBKV3uOXO |
| TLSH | T1AE3412986B2ED859E194C6FC9524D5F222E95C7E0D2665CE17C8FE2FFD27200ECD10A2 |
| TrID | 54.9% (.EXE) UPX compressed Win32 Executable (27066/9/6) 13.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 10.2% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.1% (.EXE) Win32 Executable (generic) (4505/5/1) 4.1% (.EXE) OS/2 Executable (generic) (2029/13) |
| File icon (PE): |  |
| dhash icon | c4d48eaa8ad4d4f8 (1'212 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm) |
| Reporter |  pmelson |
| Tags: | exe remcos RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
346
Origin country :
USVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
bOsb.exe
Verdict:
Malicious activity
Analysis date:
2023-07-17 09:09:48 UTC
Tags:
remcos rat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Creating a file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
greyware lolbin packed shell32
Verdict:
Malicious
Labled as:
Dacic.A9349469.A.Generic
Malware family:
REMCOS
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Uses dynamic DNS services
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2023-07-17 09:09:05 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
21 of 23 (91.30%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:btc rat upx
Behaviour
Suspicious use of SetWindowsHookEx
UPX packed file
Remcos
Malware Config
C2 Extraction:
zoonm.ddns.net:9001
Unpacked files
SH256 hash:
85b0c3afcb2056496ce422ec61180c94a0ecba65001ed07a8880b6bb932172df
MD5 hash:
79c7d2b97f4633aa899941cb5a6734d5
SHA1 hash:
a823b6b70dafc042d3fe013fc1cf782170e9882f
Detections:
Remcos
win_remcos_auto
SH256 hash:
f9757e655b46d179dfadee752d8d147d1ef2add907a8712755dffc158667b1e4
MD5 hash:
5d571d0af301aea2a2f2df9ac80aa3b0
SHA1 hash:
8624c280514a5d01551e54e2a635022a076cf73d
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
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: | iexplorer_remcos |
|---|---|
| Author: | iam-py-test |
| Description: | Detect iexplorer being taken over by Remcos |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) |
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | Windows_Trojan_Remcos_b296e965 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.remcos. |
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.