MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 28710a59e4df3f979ce3d1cdfad0bfa9271f14f1265240b2b9273fb29d703883. 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: 12
| SHA256 hash: | 28710a59e4df3f979ce3d1cdfad0bfa9271f14f1265240b2b9273fb29d703883 |
|---|---|
| SHA3-384 hash: | 7b7c8557b97d81c0b59e84adf6be922e4b88f3fe64ef458abfee2237b9993d99ee9789cb79a48f5ac48f02904ce0183d |
| SHA1 hash: | b81ea9184aa40311e0bb3c2aeeb9f29a14e0ce42 |
| MD5 hash: | 74bfd09b9a0b0836314357a380e89af4 |
| humanhash: | network-hotel-hawaii-finch |
| File name: | Payment_Advice.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'037'314 bytes |
| First seen: | 2022-10-07 17:27:24 UTC |
| Last seen: | 2022-10-07 19:14:45 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 08f8f71412e1d5c82bdf6919c2830f17 (2 x Formbook, 1 x ModiLoader, 1 x RemcosRAT) |
| ssdeep | 12288:qkQHUxA6s8jEg3sQHniC4uSJdWoQE4/2EK73WLr9RZCqsP031kX3r5wuvYe+msnX:PjO8jEg3DHnyuSjxU3XjZpwzGzj |
| Threatray | 1'977 similar samples on MalwareBazaar |
| TLSH | T1B625AE61B7DC0C33E5231A784C1BA7586DEABF02382C798B36E97C1C4E72E40BD55966 |
| TrID | 68.5% (.OCX) Windows ActiveX control (116521/4/18) 8.3% (.EXE) Win32 Executable Delphi generic (14182/79/4) 7.7% (.SCR) Windows screen saver (13101/52/3) 6.1% (.EXE) Win64 Executable (generic) (10523/12/4) 2.6% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 14044d4c4e0e0614 (4 x Formbook, 3 x ModiLoader, 1 x RemcosRAT) |
| Reporter |  GovCERT_CH |
| Tags: | exe RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
322
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending an HTTP GET request
Creating a file
Launching a process
Creating a process with a hidden window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
6/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
67%
Tags:
formbook greyware keylogger overlay packed zusy
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:
DBatLoader, Remcos
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates a thread in another existing process (thread injection)
Delayed program exit found
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using ComputerDefaults
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-10-05 13:40:25 UTC
File Type:
PE (Exe)
Extracted files:
47
AV detection:
23 of 26 (88.46%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'967 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:modiloader family:remcos botnet:amara persistence rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
ModiLoader Second Stage
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
betterdaysahead.duckdns.org:20987
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
409fd946d142ee7af873ca1c943766238930a3b6f94bd8a0233463500f5d1f8f
MD5 hash:
5e63c430ee26d3981412ee2d242e9ede
SHA1 hash:
a942d1700560210ae6ce99b60c0cdf5b36fedf92
Detections:
win_dbatloader_g1
SH256 hash:
28710a59e4df3f979ce3d1cdfad0bfa9271f14f1265240b2b9273fb29d703883
MD5 hash:
74bfd09b9a0b0836314357a380e89af4
SHA1 hash:
b81ea9184aa40311e0bb3c2aeeb9f29a14e0ce42
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.16
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: | INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer |
|---|---|
| Author: | ditekSHen |
| Description: | detects Windows exceutables potentially bypassing UAC using eventvwr.exe |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | REMCOS_RAT_variants |
|---|
| 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
Dropped by
RemcosRAT
Delivery method
Distributed via e-mail attachment
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