MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8167261af1cde7e03bd2ddf43ebde21bda4af66216d2c4ee9ca1c967e580f7a5. 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: | 8167261af1cde7e03bd2ddf43ebde21bda4af66216d2c4ee9ca1c967e580f7a5 |
|---|---|
| SHA3-384 hash: | b8d84aacaa1cd08c6f49d0f087a277265029f46e51aed55d30386956ff405047b37799b8f887f4e19073c06141252ddf |
| SHA1 hash: | f3be1a22d87dced78fe2e54e534784a5ef6843de |
| MD5 hash: | c56567facccf39a8ecf48f58d99ee961 |
| humanhash: | triple-robert-vegan-one |
| File name: | SEPA 2023-08-07 PDF_033293211002839277.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 488'575 bytes |
| First seen: | 2023-08-15 12:16:35 UTC |
| Last seen: | 2023-08-15 12:16:55 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader) |
| ssdeep | 12288:PY789UN5s/W38XzJ7hCgW7nTgkX3R/gkKODJCqH:PY78Ke/W34YgenEkX3KNuDH |
| Threatray | 2'449 similar samples on MalwareBazaar |
| TLSH | T157A4233BA8F4C987ED724B319671DB352FA5A04B18B8436B07106B9C7E1E550DB0F2A7 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  cocaman |
| Tags: | exe RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
279
Origin country :
CHVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
SEPA 2023-08-07 PDF_033293211002839277.exe
Verdict:
Malicious activity
Analysis date:
2023-08-15 12:18:13 UTC
Tags:
rat remcos remote
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
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
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
Win32.Trojan.Nemesis
Status:
Malicious
First seen:
2023-08-07 09:46:23 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 24 (95.83%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 2'439 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost persistence rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
64.112.85.218:4888
Unpacked files
SH256 hash:
ede6e01cf799d6b96b8e57c0804c91ed11e46e56d4b3ade8f5d7727fc5286edf
MD5 hash:
b0e9caea8fd19f84db5a9e8479a080a7
SHA1 hash:
57d3720db7fa56bca29a200b8156cb2e064170ea
SH256 hash:
04adf7cc43ba331ca5f202b718fefbc16cbcccdee11c1830087b8115ae429eb4
MD5 hash:
07d1ba5604b10a849c185fa855c923da
SHA1 hash:
4dfecf14ddb1f0896b47b168273f8a37396b5051
Detections:
Remcos
win_remcos_auto
Parent samples :
356397e5a8cede8dc9420b6f76ed565748382705ed55888b0a85a48e94ec2bc4
37f3dc0db96f235594f3e2153e851add6103e86a79b81722a130c592d1981f0a
17927cf92cf25c048021f9517386f9a69936c8c03ac8afb18eac18e512e662a2
593cf342a669fcb1bff594bd8ce85fc112bc19d42f7fcb0932c9ac5cdf70d0d9
8167261af1cde7e03bd2ddf43ebde21bda4af66216d2c4ee9ca1c967e580f7a5
37f3dc0db96f235594f3e2153e851add6103e86a79b81722a130c592d1981f0a
17927cf92cf25c048021f9517386f9a69936c8c03ac8afb18eac18e512e662a2
593cf342a669fcb1bff594bd8ce85fc112bc19d42f7fcb0932c9ac5cdf70d0d9
8167261af1cde7e03bd2ddf43ebde21bda4af66216d2c4ee9ca1c967e580f7a5
SH256 hash:
8167261af1cde7e03bd2ddf43ebde21bda4af66216d2c4ee9ca1c967e580f7a5
MD5 hash:
c56567facccf39a8ecf48f58d99ee961
SHA1 hash:
f3be1a22d87dced78fe2e54e534784a5ef6843de
Malware family:
Remcos
Verdict:
Malicious
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: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| 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: | maldoc_find_kernel32_base_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| 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.
Malspam
Delivery method
Other
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