MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ac3bffe53d155508761f8fd5fb59307f0154f56c9526f0717b9d7e79bf96d61. 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


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ac3bffe53d155508761f8fd5fb59307f0154f56c9526f0717b9d7e79bf96d61
SHA3-384 hash: f3dc34339da9eea3daa3b00aea24474db77238fbf62fbc116e256b4ef0554e0b2e772497156d7455c1240ec55a3c149c
SHA1 hash: 9b4ea51493c8936279c3b93e06b180e6dd221419
MD5 hash: a17a56f62ff98df4862d35c2331a281e
humanhash: mobile-nitrogen-avocado-virginia
File name:POWERMAX PO KK2776432558873552,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:328'704 bytes
First seen:2020-07-22 08:35:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:4mqqcLrat5C9OPIPUm2GhNAr/lvlfRE2ccucl6zVioqiESQ8:4FLratLIPUm2iNSlQcucl6MoqiR
Threatray 1'345 similar samples on MalwareBazaar
TLSH BA64AE00FBF80ADADB5907B5E06105509BB5A51E67EAE70E1F91F0DC99327428723F27
Reporter abuse_ch
Tags:exe RemcosRAT


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: li2143-208.members.linode.com
Sending IP: 172.105.189.208
From: POWERMAX MACHINERY CO., <sandmax@ms13.hinet.net>
Subject: POWERMAX P.O
Attachment: POWERMAX PO KK2776432558873552,pdf.rar (contains "POWERMAX PO KK2776432558873552,pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/30944/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
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
Connection attempt to an infection source
Enabling autorun with Startup directory
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/394710
Behaviour
Behavior Graph:
Download SVG
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8ac3bffe53d155508761f8fd5fb59307f0154f56c9526f0717b9d7e79bf96d61/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-22 08:37:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rlb377st2fkvbb3b7d6v7nmta7ybkt2wzfjg6byxxhl6pg7znvqq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
2a2a628e23fa234e422aa5edcb6718f54e5caa2822ee10950a30619d9e9b0534
RemcosRAT
2ed8cd44621cc06fa9a00f11b5217fe58839a8ec6bfee8d42f78f61263652da5
RemcosRAT
476d02f7c777bb08d97cf87c305e3cb4f41501c1b15ddd88e55f31bff0767b0a
RemcosRAT
49aaf4ae6bf7f60a07c4ffc43ca0be27fce694446436dd07aac5db362142c2c8
RemcosRAT
75fc0beb16fbe8af2f46d2cfcb7176af4289430516d74017d1a32cd0c37859c0
RemcosRAT
9256cc7129421443ba770b55f01042e58fa5af856df1db31e830f147213c2a1c
RemcosRAT
afd354c93f9c9ad2324dd4ecd1e58041f373f1b3360ef8ce2792e437bd104a8d
RemcosRAT
d5dd3977cdc2602a68093c08e166b1508253ef0934f986d00be980e47b7c50f9
RemcosRAT
dec608206e941da5042333c8e35fe01bb17e50cc67ec58b03e872694cb5e219b
RemcosRAT
f8a0ada1c983c16a3ff6b107c2a04cac970e51ba9bec2514771271af03b7b9fc
RemcosRAT
+ 1'335 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
rat family:remcos
Link:
https://tria.ge/reports/200722-1dlk56bf4j/
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
blessingsnblessings.ddns.net:2030
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8ac3bffe53d155508761f8fd5fb59307f0154f56c9526f0717b9d7e79bf96d61

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
Create hunting rule
Author:abuse.ch
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_remcos_g0
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann<at>fkie.fraunhofer.de>

File information

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

Malspam

RemcosRAT

rar 81c9884bac2e3a2e36dd0bedee8e64b9c6f5ea4f017bc36531b3e79b03844c84

RemcosRAT

Executable exe 8ac3bffe53d155508761f8fd5fb59307f0154f56c9526f0717b9d7e79bf96d61

(this sample)

  
Dropped by
MD5 dc73cd5f25c48e3be78c3856bb5eefe3
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/30944/
  
Dropped by
SHA256 81c9884bac2e3a2e36dd0bedee8e64b9c6f5ea4f017bc36531b3e79b03844c84

Comments