MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 88387fbf4550ae2b3f4f98dca8656531e543320e125438ebd2b8d2cd29b88cc1. 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: 10
| SHA256 hash: | 88387fbf4550ae2b3f4f98dca8656531e543320e125438ebd2b8d2cd29b88cc1 |
|---|---|
| SHA3-384 hash: | b16f72292cb6231a505f8518fa3455b5103281b0b19d0e249044ce434489de407b63662679fb85d18069fd697a3bb0cf |
| SHA1 hash: | 0a1dde5950d83ac3b15aa93d440ff5bece49a297 |
| MD5 hash: | 7b43f08e57ff0b2a8650be3bfb18437b |
| humanhash: | timing-pasta-avocado-oven |
| File name: | Urgence RFQ_AP65425652_032421,pdf.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 787'600 bytes |
| First seen: | 2021-04-12 10:22:04 UTC |
| Last seen: | 2021-04-12 10:57:26 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 23399c21b0aa604a8aa13da9702198d1 (3 x RemcosRAT, 1 x Formbook) |
| ssdeep | 12288:wjsnTVNRUWpHKTXa8+XBM9gN4W9t7ocLyg0c07KRmp1:wjMmMH8XEgfqFDd07K8f |
| Threatray | 1'725 similar samples on MalwareBazaar |
| TLSH | B1F49E22F5D15437C16E1A79AD2B96E89C3AFF00FE64DC4927F91C084F383917A652A3 |
| Reporter |  TeamDreier |
| Tags: | RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Urgence RFQ_AP65425652_032421,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-04-12 10:22:51 UTC
Tags:
installer rat remcos
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 window
Sending a UDP request
DNS request
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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
Allocates memory in foreign processes
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
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2021-04-12 06:56:22 UTC
AV detection:
11 of 48 (22.92%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'715 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos persistence rat
Behaviour
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
zubby2468.hopto.org:8905
Unpacked files
SH256 hash:
31ffb1d8050b158b4c432cbb831f9da9b918443b7ed3ecca7e3d7a18a531e3f9
MD5 hash:
406f0b9cc6dacbdd1b715c557b941343
SHA1 hash:
77387463c87215e20a8592430665820cbb146660
SH256 hash:
88387fbf4550ae2b3f4f98dca8656531e543320e125438ebd2b8d2cd29b88cc1
MD5 hash:
7b43f08e57ff0b2a8650be3bfb18437b
SHA1 hash:
0a1dde5950d83ac3b15aa93d440ff5bece49a297
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
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: | adonunix2 |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | AD on UNIX |
| Rule name: | INDICATOR_KB_CERT_56f008e69a7c4c3feb389c66eaf58259 |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables signed with stolen, revoked or invalid certificates |
| Rule name: | MALWARE_Win_DLAgent07 |
|---|---|
| Author: | ditekSHen |
| Description: | Detects delf downloader agent |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.025] Anti-Behavioral Analysis::Software Breakpoints
1) [B0001.032] Anti-Behavioral Analysis::Timing/Delay Check GetTickCount
2) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
3) [B0012.001] Anti-Static Analysis::Argument Obfuscation
4) [F0002.002] Collection::Polling
6) [C0026.002] Data Micro-objective::XOR::Encode Data
8) [C0051] File System Micro-objective::Read File
9) [C0052] File System Micro-objective::Writes File
10) [E1510] Impact::Clipboard Modification
11) [C0007] Memory Micro-objective::Allocate Memory
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
14) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
15) [C0038] Process Micro-objective::Create Thread
16) [C0041] Process Micro-objective::Set Thread Local Storage Value
17) [C0018] Process Micro-objective::Terminate Process