MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0690480dc368a8a85e260416d96fe9fd5db0e59fecba72923b45df8b3409e57e. 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


Intelligence 12 IOCs YARA 10 File information Comments 1

SHA256 hash: 0690480dc368a8a85e260416d96fe9fd5db0e59fecba72923b45df8b3409e57e
SHA3-384 hash: 0c49c3ec91d3f6d667d90ce0ee2baef56f1855f317591b886c01df24d50a2c3b8275dc35607be17a45d1203a8bc6549d
SHA1 hash: d62fef2cc7533ec4fe7a71545ef1a5a57f27882e
MD5 hash: efd470bc758fe8c23d832cda5eb246ce
humanhash: leopard-six-carolina-mirror
File name:PO KAUFEN BESTELLUNG-34002174,pdf.exe
Download: download sample
Signature RemcosRAT
File size:198'626 bytes
First seen:2021-05-20 12:52:24 UTC
Last seen:2021-05-25 06:20:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:MsxjGjTQSKoBOgIgdM4LFc2WahfhWUrdle:5GPnVBOmdJCahfhWMg
Threatray 1'786 similar samples on MalwareBazaar
TLSH D714026B18F684EBE05E1AB248F7DB32E7B5AE465260155B77453F2B3831343483E287
Reporter TeamDreier
Tags:RemcosRAT

Intelligence


File Origin
# of uploads :
5
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO KAUFEN BESTELLUNG-34002174,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-05-20 12:58:12 UTC
Tags:
installer rat remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
Launching a process
DNS request
Connection attempt
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
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:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
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
Detected Remcos RAT
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Dridex Process Pattern
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 418596 Sample: PO KAUFEN BESTELLUNG-340021... Startdate: 20/05/2021 Architecture: WINDOWS Score: 100 32 godgodgod.ddns.net 2->32 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->48 50 7 other signatures 2->50 7 PO KAUFEN BESTELLUNG-34002174,pdf.exe 1 23 2->7         started        11 suiutxjbgrib.exe 18 2->11         started        14 suiutxjbgrib.exe 9 2->14         started        signatures3 process4 dnsIp5 22 C:\Users\user\AppData\...\suiutxjbgrib.exe, PE32 7->22 dropped 24 C:\Users\user\AppData\Local\...\System.dll, PE32 7->24 dropped 52 Writes to foreign memory regions 7->52 54 Maps a DLL or memory area into another process 7->54 16 svchost.exe 2 7->16         started        34 192.168.2.1 unknown unknown 11->34 26 C:\Users\user\AppData\Local\...\System.dll, PE32 11->26 dropped 28 C:\Users\user\AppData\Local\...\brawpthyyqfke, DOS 11->28 dropped 56 Multi AV Scanner detection for dropped file 11->56 20 svchost.exe 11->20         started        file6 signatures7 process8 dnsIp9 30 godgodgod.ddns.net 185.19.85.133, 49714, 49716, 49717 DATAWIRE-ASCH Switzerland 16->30 36 System process connects to network (likely due to code injection or exploit) 16->36 38 Contains functionality to steal Chrome passwords or cookies 16->38 40 Contains functionality to capture and log keystrokes 16->40 42 2 other signatures 16->42 signatures10
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-05-20 12:53:12 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 47 (44.68%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos 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:
godgodgod.ddns.net:7735
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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
Rule name:win_remcos_g0
Author:Daniel Plohmann <daniel.plohmann<at>fkie.fraunhofer.de>

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-20 13:00:04 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0032.001] Data Micro-objective::CRC32::Checksum
1) [C0026.002] Data Micro-objective::XOR::Encode Data
3) [C0045] File System Micro-objective::Copy File
4) [C0046] File System Micro-objective::Create Directory
5) [C0048] File System Micro-objective::Delete Directory
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0050] File System Micro-objective::Set File Attributes
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
14) [C0036.007] Operating System Micro-objective::Delete Registry Value::Registry
15) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
16) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
17) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
18) [C0036.001] Operating System Micro-objective::Set Registry Key::Registry
19) [C0017] Process Micro-objective::Create Process
20) [C0038] Process Micro-objective::Create Thread
21) [C0018] Process Micro-objective::Terminate Process