MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f535414d7bdcacff5db6ba209be888ebcd7996b1602a3b78a574b72d03cca147. 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: 8
| SHA256 hash: | f535414d7bdcacff5db6ba209be888ebcd7996b1602a3b78a574b72d03cca147 |
|---|---|
| SHA3-384 hash: | 14dc0d55a4decb058c79365230b3eb497c41eb56a02059707169ba1da8788778ccfb0c5d75900387300f5c6fd8251562 |
| SHA1 hash: | 1b0d06f7ce319fe202997c516dfef014224c0435 |
| MD5 hash: | 0f3cee977b12f68212b5026c958c8264 |
| humanhash: | east-idaho-nevada-illinois |
| File name: | QUOTATION (2).exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 824'832 bytes |
| First seen: | 2020-10-23 08:58:10 UTC |
| Last seen: | 2020-10-23 10:10:06 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 24576:EO4o/FjvjytEkrJ7h07FM19Ue4Zyd2Sj:EO42FjvjytEkrJ9D9UPQd2S |
| Threatray | 22 similar samples on MalwareBazaar |
| TLSH | 9105CE1663E89F48F9BF433C9928500057F5BC43A727D2ADFDD240DE1DA2B818B56B26 |
| Reporter |  abuse_ch |
| Tags: | exe nVpn RAT RemcosRAT |
abuse_ch
Malspam distributing RemcosRAT:HELO: yandex.com
Sending IP: 37.49.225.133
From: stoneadamss@yandex.com
Subject: QUOTATION
Attachment: QUOTATION 2.gz (contains "QUOTATION (2).exe")
RemcosRAT C2:
91.193.75.121:1011
Hosted on nVpn:
% Information related to '91.193.75.0 - 91.193.75.255'
% Abuse contact for '91.193.75.0 - 91.193.75.255' is 'abuse@privacyfirst.sh'
inetnum: 91.193.75.0 - 91.193.75.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-KG
country: KG
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
abuse-c: ACRO34258-RIPE
mnt-by: PRIVACYFIRST-MNT
mnt-by: RIPE-NCC-END-MNT
org: ORG-KHd1-RIPE
sponsoring-org: ORG-MW1-RIPE
status: ASSIGNED PI
created: 2012-06-04T11:05:55Z
last-modified: 2020-09-04T11:35:48Z
source: RIPE
Intelligence
File Origin
# of uploads :
2
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
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
Creating a file
Forced shutdown of a system process
Enabling autorun by creating a file
Result
Threat name:
Remcos
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Binary contains a suspicious time stamp
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
Initial sample is a PE file and has a suspicious name
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)
Sigma detected: Remcos
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Tries to steal Mail credentials (via file registry)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-23 08:08:11 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
+ 12 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
rat family:remcos spyware
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
91.193.75.121:1011
Unpacked files
SH256 hash:
f535414d7bdcacff5db6ba209be888ebcd7996b1602a3b78a574b72d03cca147
MD5 hash:
0f3cee977b12f68212b5026c958c8264
SHA1 hash:
1b0d06f7ce319fe202997c516dfef014224c0435
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
SH256 hash:
928dca85573208b55d527267927abf2befa90e97c7e6336512e37de739f8de75
MD5 hash:
b8151ee4afd15d39b01e6ab431d6e5ec
SHA1 hash:
6860c762a16ae697ec8751bf8653607153c40127
SH256 hash:
17f45982477241e83d77e8be5711fc877e079487ff9566925286220f588700f4
MD5 hash:
34c1760bb7a68a9fa57f536aa2609eb9
SHA1 hash:
c88131eb89e846fe9e51e1e04b8584d6c580ca5c
SH256 hash:
51f91e43949876156ce30017e5e618afa46f417058be46043eb0ddefbf35de40
MD5 hash:
3e022924f63a94e6517238c62ac2fe4c
SHA1 hash:
79541af410432d45cacddcdb8343285375aabd52
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.
Malspam
Delivery method
Distributed via e-mail attachment
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