MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 aaacdc757d39cd544288dcc7d9fc635dfc4942ed360b63c7be0d79525697fe30. 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: 11
| SHA256 hash: | aaacdc757d39cd544288dcc7d9fc635dfc4942ed360b63c7be0d79525697fe30 |
|---|---|
| SHA3-384 hash: | 266678ae2d8a4f5d591b124d7aeaa496d380c5b9532a1225969cd82a5dc3b390dca82579d72a1a4c254e14af4094d7a1 |
| SHA1 hash: | f3fa45a63bf91f1c6f1c61ebc7222a6bcd9ada78 |
| MD5 hash: | d74d705136266e2d0f4f0c55977c6f26 |
| humanhash: | king-skylark-march-nebraska |
| File name: | Shipping document PL and BL0070,pdf.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'135'104 bytes |
| First seen: | 2020-12-21 07:36:24 UTC |
| Last seen: | 2020-12-21 09:34:15 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 24576:9ZzwfY+YB77IKF7/1pYZXG3DShTX0wG6:oZYBIC7deZX+cTEw |
| Threatray | 1'258 similar samples on MalwareBazaar |
| TLSH | A0359E3429ED561AF173AF755AD034929FEEFE727702D45D289133CA0632E40CE9263A |
| Reporter |  abuse_ch |
| Tags: | DHL exe nVpn RAT RemcosRAT |
abuse_ch
Malspam distributing RemcosRAT:HELO: mail6.promptcheng.com
Sending IP: 164.90.152.139
From: DHL Express <delivery@dhl.com>
Subject: Your DHL Delivery exception -Friday, December 18, 2020
Attachment: Shipping document PL and BL0070,pdf.iso (contains "Shipping document PL and BL0070,pdf.exe")
RemcosRAT C2:
graceman2021.ddns.net:1717 (185.244.30.22)
Pointing to nVpn:
% Information related to '185.244.30.0 - 185.244.30.255'
% Abuse contact for '185.244.30.0 - 185.244.30.255' is 'abuse@privacyfirst.sh'
inetnum: 185.244.30.0 - 185.244.30.255
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-HU
country: HU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2019-10-29T14:10:27Z
last-modified: 2020-10-07T21:39:48Z
source: RIPE
Intelligence
File Origin
# of uploads :
2
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipping document PL and BL0070,pdf.exe
Verdict:
Malicious activity
Analysis date:
2020-12-21 07:41:52 UTC
Tags:
rat remcos
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Running batch commands
Result
Gathering data
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
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:
Detection:
remcos
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2020-12-21 05:43:29 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'248 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos persistence rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
graceman2021.ddns.net:1717
Unpacked files
SH256 hash:
ad5616e638fd76f42381042e9aa2835709b5e385fff6d07deb085515b799b95d
MD5 hash:
c3949c358ca512a930af0b40ada048d6
SHA1 hash:
403046c4e7b09efc57f621a9e4ac0f5078f39361
SH256 hash:
4400efd7747af5f222b87d38c9257b171ed7c4481d029117a00347f31ae34b75
MD5 hash:
5e4a71b7712e144f4ec4e812610048f1
SHA1 hash:
757391f7990e83f887a88006cbd0e0a90870700e
SH256 hash:
5dcfb6e8b43bbdbc840efdccb3af607cfdfcf4c197957111fa53346be5643844
MD5 hash:
af009f9428e9cfca66aa78298f8c96cd
SHA1 hash:
b911aa6b147fe1bfcadc4bc486fbbe5c98a7d83e
SH256 hash:
74b63853644767d52907d939975badf1aff7693adafa1ccf43059f1704ceacc7
MD5 hash:
89d0129b9a5f1b87c132e579905924be
SHA1 hash:
98e69990d7f706bfa0e4c49895da1b9258a9f7f6
Detections:
win_remcos_g0
win_remcos_auto
SH256 hash:
aaacdc757d39cd544288dcc7d9fc635dfc4942ed360b63c7be0d79525697fe30
MD5 hash:
d74d705136266e2d0f4f0c55977c6f26
SHA1 hash:
f3fa45a63bf91f1c6f1c61ebc7222a6bcd9ada78
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
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: | 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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
9919230781c82aa0489f7d76765279f0
Dropped by
MD5 9919230781c82aa0489f7d76765279f0
Delivery method
Distributed via e-mail attachment
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