MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd073f23a4b16333eb687e7b994e47c393fd38da8ecee7ac5174e82a50dd2d15. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dd073f23a4b16333eb687e7b994e47c393fd38da8ecee7ac5174e82a50dd2d15
SHA3-384 hash: 8acb01eece6ec4b1c6389ae9715b61550929bb9ac2b90a3d65b8a15f6531b7d646e08d6af424c015548d7e3d6d4a28d0
SHA1 hash: ff304310be7e584d04bd307d34cab86a27600a91
MD5 hash: 307b0e1293a53bf74719e8c2ce568073
humanhash: march-stream-may-gee
File name:#75758.......pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'347'584 bytes
First seen:2022-09-14 10:57:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:l6EpZ5fZYQmzo3pvkJ/3Vcjm3wlEiuJjYaiipb7I57gd20esk2pR0Qv565E4ZT2x:l6m5hLmzaOcSoEiutfiipby909b0Ov4I
Threatray 1'881 similar samples on MalwareBazaar
TLSH T12055231BD2589F27E8680B7452B0F50153BAAF2A65B5C784CDC4E2F432EDB574206BA3
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter cocaman
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
311
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/309996/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1427-2.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
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 process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
packed
Link:
https://www.filescan.io/uploads/6321b4021594be804f8669f9/reports/c9f4c494-e94a-4891-8018-eacfaa110c0b/overview
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/98ca4bb7-014a-4db8-a002-3bca60bcf7d5
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1070176
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Sample uses process hollowing technique
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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dd073f23a4b16333eb687e7b994e47c393fd38da8ecee7ac5174e82a50dd2d15/
Threat name:
ByteCode-MSIL.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-09-03 11:00:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
24 of 39 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3udt6i5ewfrth23ipz5zstshyoj72og2r3hoplcrotucuug5fukq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
20d06c9366037f9c7d08d843ddcb74e264accf481dbefd7b1f77669abb4d9be9
RemcosRAT
2a6cd5b04a1f823de82896e8d2758ce91498ee9231032ae946363477ccc7701a
RemcosRAT
b563d460e40277fd18dfa645f16081ed6328f519e218afc6570dafe951f5feea
RemcosRAT
b7cc11f42808bc13ea70def8382654e7c9294eb30c42ed29d5eb9f2d7bbf9514
RemcosRAT
be4f9d4697e47ff2b6d73b0949a39be6f9defba32f4f4070673efc84de4c6113
RemcosRAT
ecf1b219adc24822bf9dc4593509ff7052a8e62a3715143235c0347cde7f354b
RemcosRAT
edd76f4398cd937c508d229a8482add54c2ec8efe84a6881af90bbd40d8b8601
RemcosRAT
+ 1'871 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost golden rat
Link:
https://tria.ge/reports/220914-m2tjfsdfhn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
23.19.227.82:1986
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c27510ee-fa63-4079-a410-f0e962dcb034
Unpacked files
SH256 hash:
c45a3dae97e5e635a567df02635fe941af384f35cc993d4e52a57fa4f4026b3e
MD5 hash:
966c65a2893f62df72494272d810448f
SHA1 hash:
de82f765123b6ed954996603b663e9bac36acfb6
Link:
https://www.unpac.me/results/ee657c68-7dd3-48de-ab74-ec7f13d8373c/
SH256 hash:
7c89e6ece23a34b2bf1b5b2166a663c251f8d51f7bf2224bc3ea431f08da24f8
MD5 hash:
a4fb0154b25f795924267777f1a4431b
SHA1 hash:
ba28e94d484ea84d5b6ae03293b1b2ae6379066a
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/ee657c68-7dd3-48de-ab74-ec7f13d8373c/
Parent samples :
4f95967b9b1f5532cb570bb1f762328d07ea16c20b6fcf1c4cfde82d06906630
b7cc11f42808bc13ea70def8382654e7c9294eb30c42ed29d5eb9f2d7bbf9514
f78d100a1e6bbffe26180d567355de572e316384aaa95b7b4f2baa6ff331eb58
dd073f23a4b16333eb687e7b994e47c393fd38da8ecee7ac5174e82a50dd2d15
SH256 hash:
44b1ccf3556771af402402bf97a42ea4713e334c9b272736292ce23ffd60e202
MD5 hash:
0c90bfba3361814464cf01351ec585bb
SHA1 hash:
89d444cbfb086f1f62ef12ae116def08a4070c50
Link:
https://www.unpac.me/results/ee657c68-7dd3-48de-ab74-ec7f13d8373c/
SH256 hash:
3ac9f723c0d5b4fefa55ea0eb6aa6f9189bbc6664c1cd82770597385eb19abd6
MD5 hash:
0f159fe350028b9a191af353e6e1ff61
SHA1 hash:
44b4b32da79207c63387bfca3ccd5b7351906b6e
Link:
https://www.unpac.me/results/ee657c68-7dd3-48de-ab74-ec7f13d8373c/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/ee657c68-7dd3-48de-ab74-ec7f13d8373c/
SH256 hash:
dd073f23a4b16333eb687e7b994e47c393fd38da8ecee7ac5174e82a50dd2d15
MD5 hash:
307b0e1293a53bf74719e8c2ce568073
SHA1 hash:
ff304310be7e584d04bd307d34cab86a27600a91
Link:
https://www.unpac.me/results/ee657c68-7dd3-48de-ab74-ec7f13d8373c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/dd073f23a4b16333eb687e7b994e47c393fd38da8ecee7ac5174e82a50dd2d15

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

r00 d20c424dacbabd29d7c607b2566308ba2254fb33c658a4dd1c160eab97c5b608

RemcosRAT

Executable exe dd073f23a4b16333eb687e7b994e47c393fd38da8ecee7ac5174e82a50dd2d15

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 d20c424dacbabd29d7c607b2566308ba2254fb33c658a4dd1c160eab97c5b608
Cape
Cape
https://www.capesandbox.com/analysis/309996/
  
Dropped by
MD5 de332473801c2c33f71156de4bbce0da

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