MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d9503dc6cff1393c176eb25789982c93cd5055f27934c43e57154c642d2ea5d4. 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: | d9503dc6cff1393c176eb25789982c93cd5055f27934c43e57154c642d2ea5d4 |
|---|---|
| SHA3-384 hash: | 21702b6e3c768d28be3857ae20a042d4e15cced4c91eb1b2ad4fee541a1e211b4c5bb24e0ec4b68ed367c1d16a7c105d |
| SHA1 hash: | 0c9a273a6f54ce9d2e09905a08c9e91e95b83728 |
| MD5 hash: | 3047d8f78ee4d873093656c9f03c5620 |
| humanhash: | floor-delta-mississippi-blue |
| File name: | 6LLq1Biu3Aqcf0n.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 816'128 bytes |
| First seen: | 2020-10-23 11:33:32 UTC |
| Last seen: | 2020-10-24 13:27:51 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:S6BVKjy2EkrJP6/QsGYtPTvM9C8Cif/l6I0GqvvcVZBU9rRDlnZzYU:SYVKjy2EkrJPh07EhvwP0qRZG |
| Threatray | 963 similar samples on MalwareBazaar |
| TLSH | 9705CF0223E89F18F5BF57389528101057F9BD42AB27D2ADBDD140DE1DB2B818F56B2B |
| Reporter |  abuse_ch |
| Tags: | exe nVpn RAT RemcosRAT UPS |
abuse_ch
Malspam distributing RemcosRAT:HELO: grace3
Sending IP: 52.175.253.95
From: "UPS Customer Service" <pkinfo@ups.com>
Subject: UPS - Package Arrival Notification
Attachment: UPS Details.img (contains "6LLq1Biu3Aqcf0n.exe")
RemcosRAT C2s:
u875414.nsupdate.info
u875414.nvpn.to
u875414.ddns.net
u875414.duckdns.org
Intelligence
File Origin
# of uploads :
3
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
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
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
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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: 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.Taskun
Status:
Malicious
First seen:
2020-10-23 10:30:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
26 of 29 (89.66%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 953 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
rat family:remcos
Behaviour
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Unpacked files
SH256 hash:
d9503dc6cff1393c176eb25789982c93cd5055f27934c43e57154c642d2ea5d4
MD5 hash:
3047d8f78ee4d873093656c9f03c5620
SHA1 hash:
0c9a273a6f54ce9d2e09905a08c9e91e95b83728
SH256 hash:
cfdfa1e229e14c9da408398614488e3e9b444e5c4704df6608a111fe2c958f28
MD5 hash:
9daf74faeeaba2e93309927f8da6963a
SHA1 hash:
5d0de861589e1bb8e2b62e841ecbbf5daed34b2e
SH256 hash:
425a92abb44b3c946b655d32d4938a2fdbf6f3c7d7fb7ef3a4c981ad9ac4d1bc
MD5 hash:
3fe698a3040011a9455ffbecf9ee574c
SHA1 hash:
be61c88fd30f3a42ab2d3f8a78c038ff16bbcd00
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
SH256 hash:
5f4046b03b49d8e644c335e1f6095942c749f9da6a21c27301e067c98bfdf448
MD5 hash:
37ad9ffbc2e2d4111b162292a7eb7e63
SHA1 hash:
a4822557ed9f3a3dfd7ef7166fe4baadc1d4e368
Detections:
win_remcos_g0
win_remcos_auto
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
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: | 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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