MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 797c253df096431e69f1aa84f0010f248384fe437cda4bf8df916c48fbb7984f. 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: 797c253df096431e69f1aa84f0010f248384fe437cda4bf8df916c48fbb7984f
SHA3-384 hash: 48c3f011d838479d07bbd1b852821416e6cbc75d26d362ec9be3cd97388ec4beaba49d54050b6d29fe580cb8ec7e29df
SHA1 hash: 7a4e1e9e25c2ce10536360a7e628f8fd62f33c05
MD5 hash: 12d6145a2055d0afea4e738d5f626d4b
humanhash: chicken-juliet-pip-washington
File name:上海耀兴中行_.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'011'200 bytes
First seen:2023-02-10 10:53:00 UTC
Last seen:2023-02-10 12:35:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:fq/ZM4+TGPKXumEaGhqBnARdrqU+zQJ8UG7UKEsi:lTTGqBARd+U+o8N8
TLSH T1DB25F11B2AD68B94D0B98B34B3B405DC03F5675B5611E7EF7C8602E5CF11B4A2622AF3
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter Anonymous
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
上海耀兴中行_.exe
Verdict:
Malicious activity
Analysis date:
2023-02-10 10:54:19 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ae53a676-c965-45c9-ab46-989163065c46

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/363318/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.65391077.15922.31796.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Running batch commands
Launching a process
Creating a file
Enabling autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
comodo packed snake
Link:
https://www.filescan.io/uploads/63e62211fc49e4bf1c31d887/reports/b4beff00-c19a-464d-a168-ac1aaa49bcbe/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/797c253df096431e69f1aa84f0010f248384fe437cda4bf8df916c48fbb7984f
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2eef0076-3cfd-4b19-bedf-7fdde4fd80ba
Result
Threat name:
DarkTortilla, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1171081
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected DarkTortilla Crypter
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 803871 Sample: #U4e0a#U6d77#U8000#U5174#U4... Startdate: 10/02/2023 Architecture: WINDOWS Score: 100 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for dropped file 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 9 other signatures 2->50 7 #U4e0a#U6d77#U8000#U5174#U4e2d#U884c_.exe 15 3 2->7         started        process3 dnsIp4 42 www.google.com 142.250.184.100, 443, 49713 GOOGLEUS United States 7->42 32 #U4e0a#U6d77#U8000...4e2d#U884c_.exe.log, ASCII 7->32 dropped 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->54 12 cmd.exe 1 7->12         started        15 cmd.exe 3 7->15         started        file5 signatures6 process7 file8 56 Uses ping.exe to sleep 12->56 58 Uses ping.exe to check the status of other devices and networks 12->58 18 reg.exe 1 1 12->18         started        21 PING.EXE 1 12->21         started        24 conhost.exe 12->24         started        34 C:\Users\user\AppData\Local\wyt.exe, PE32 15->34 dropped 36 C:\Users\user\...\wyt.exe:Zone.Identifier, ASCII 15->36 dropped 26 PING.EXE 1 15->26         started        28 conhost.exe 15->28         started        30 PING.EXE 1 15->30         started        signatures9 process10 dnsIp11 52 Creates an undocumented autostart registry key 18->52 38 127.0.0.1 unknown unknown 21->38 40 192.168.2.1 unknown unknown 26->40 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/797c253df096431e69f1aa84f0010f248384fe437cda4bf8df916c48fbb7984f/
Threat name:
ByteCode-MSIL.Trojan.DarkTortilla
Create hunting rule
Status:
Malicious
First seen:
2023-02-07 04:32:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
28 of 39 (71.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pf6ckppqszbr42prvkcpaaipesbyj7sdptnex6g7sfwer65xtbhq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/230210-myzajabg9y/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
797c253df096431e69f1aa84f0010f248384fe437cda4bf8df916c48fbb7984f
MD5 hash:
12d6145a2055d0afea4e738d5f626d4b
SHA1 hash:
7a4e1e9e25c2ce10536360a7e628f8fd62f33c05
Link:
https://www.unpac.me/results/48dd6b0a-7f24-432a-9234-8d1d048d50b4/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/797c253df096/report/overview.html
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/797c253df096431e69f1aa84f0010f248384fe437cda4bf8df916c48fbb7984f

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

Executable exe 797c253df096431e69f1aa84f0010f248384fe437cda4bf8df916c48fbb7984f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/363318/

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