MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5b7e2aa7fd116ece66c8a64a2a92a1313fc5a2b29fd2f29b295d46938a50e469. 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: | 5b7e2aa7fd116ece66c8a64a2a92a1313fc5a2b29fd2f29b295d46938a50e469 |
|---|---|
| SHA3-384 hash: | 32be2e45e285a2a7da8abee43e9ac3646275d757a54d988290afc1a5daaaa4c5c3536cf10bd7102cf8483af89ebd23b6 |
| SHA1 hash: | 42f1cfc4c96ea0ea85ec14ec8e49ec1a1af33d29 |
| MD5 hash: | b6ad8582ff65c4e6df62d548e778e096 |
| humanhash: | two-jig-solar-winner |
| File name: | 3kpUlycHABfLMj6.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 699'904 bytes |
| First seen: | 2020-11-04 12:26:50 UTC |
| Last seen: | 2020-11-04 13:50:48 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:u6hT9vvaf8gaNx1AFmxKuQrFkiV+lJ3a2KbY3WpHLkb9E65mVTDi8wrHJ8:uAvyeNDAFmxKRevr3a/ZsE1VXizrH |
| Threatray | 983 similar samples on MalwareBazaar |
| TLSH | D2E4F19367D8F798D53B3B316B728EA40B2BFF912D2AE10E0558F14D09B3B84CA11765 |
| Reporter |  GovCERT_CH |
| Tags: | RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
DNS request
Setting a global event handler for the keyboard
Connection attempt to an infection source
Enabling autorun by creating a file
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:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to capture and log keystrokes
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-11-04 08:30:25 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 973 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos rat
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Unpacked files
SH256 hash:
5b7e2aa7fd116ece66c8a64a2a92a1313fc5a2b29fd2f29b295d46938a50e469
MD5 hash:
b6ad8582ff65c4e6df62d548e778e096
SHA1 hash:
42f1cfc4c96ea0ea85ec14ec8e49ec1a1af33d29
SH256 hash:
53409b41233bdf11f5e78ef7129136ff2f8c2289b64d6a0b13e00c5c15a41a64
MD5 hash:
dee58d5312ea39f4c9c2cad55656d73c
SHA1 hash:
763391e3663735081b56c46f597e989f5725302d
SH256 hash:
a3d4c6aa774d81b0911a32e8a2fcc723ccded8a8f70182a0d3b1009c937f1955
MD5 hash:
e7cc08bd20a6c9042c2d8c94584eff2e
SHA1 hash:
d67d5c7fb797c9b53f990b69416f061b7500935e
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
SH256 hash:
5fc2bebaa4095b136773627f9be975a41a02ff4285f4cc7ebfd9cfaa2eb40bf5
MD5 hash:
855f5678df27e077c22ad8ae086f0115
SHA1 hash:
4f15de7492672f72b3113575506cd3b9d75eb22f
Detections:
win_remcos_g0
win_remcos_auto
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: | 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: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
f7fce5a123a32ccf5bcb4fe680aa5f4c5196f2064306d9e6a8af50fa336ab7a4
Dropped by
MD5 4e4abf38ea2a9a725ca40c932ae15104
Dropped by
SHA256 f7fce5a123a32ccf5bcb4fe680aa5f4c5196f2064306d9e6a8af50fa336ab7a4
Dropped by
RemcosRAT
Delivery method
Distributed via e-mail attachment
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