MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af171290cc03d72c2c1272b039193cb71fdec5b612330f832dad2220753cb406. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: af171290cc03d72c2c1272b039193cb71fdec5b612330f832dad2220753cb406
SHA3-384 hash: ca4592cd7a199f1fa2fb43cda43aeee3475c24fde9b4f512084cc29d070054948472deb4b34352dc53ab229dae2ad861
SHA1 hash: 0eda47b292df3819a57b0e8865d8371a98a6d259
MD5 hash: b94861f5509c2dc58cf12457f00a8ec0
humanhash: autumn-grey-carbon-lima
File name:b94861f5509c2dc58cf12457f00a8ec0.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:660'480 bytes
First seen:2021-12-06 13:03:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ZXBv7K++ajMfWxVlj+MzUfV2Bo5xzOAN8yeRu/1S4fUBLBe:ZXI+5jZH+MgzXKAN8T
TLSH T121E47B0EAA11D245F84CBF74FA7F3BB00790BDA7ED55920FA2447EADA43A37518C4642
File icon (PE):PE icon
dhash icon 4927d969696d1200 (3 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Statement of Account.xlsm
Verdict:
Malicious activity
Analysis date:
2021-12-06 17:03:19 UTC
Tags:
macros macros-on-open opendir loader rat remcos keylogger
Link:
https://app.any.run/tasks/6b7546a7-386d-452d-b954-9659de504a64

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/211784/
Detection(s):
Win.Dropper.Generic-7113183-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61ae0a44fa72c81b5b0e64cd/reports/6a727ff5-ac29-4cd9-9254-dc5a2d970810/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/af532577-846e-49a4-b22b-ff9645b9d6a2
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/902266
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates an undocumented autostart registry key
Delayed program exit found
Detected Remcos RAT
Drops executable to a common third party application directory
Found malware configuration
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
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 534744 Sample: EZveP5Qmsn.exe Startdate: 06/12/2021 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for dropped file 2->42 44 8 other signatures 2->44 7 EZveP5Qmsn.exe 9 2->7         started        process3 file4 26 C:\Users\user\AppData\Roaming\...\taskmgr.exe, PE32 7->26 dropped 28 C:\Users\user\AppData\...ZveP5Qmsn.exe, PE32 7->28 dropped 30 C:\Users\user\...\taskmgr.exe:Zone.Identifier, ASCII 7->30 dropped 32 2 other malicious files 7->32 dropped 46 Creates an undocumented autostart registry key 7->46 48 Writes to foreign memory regions 7->48 50 Drops executable to a common third party application directory 7->50 52 Injects a PE file into a foreign processes 7->52 11 EZveP5Qmsn.exe 5 4 7->11         started        16 powershell.exe 19 7->16         started        18 powershell.exe 18 7->18         started        signatures5 process6 dnsIp7 36 following.dvrlists.com 185.19.85.155, 119, 49791 DATAWIRE-ASCH Switzerland 11->36 34 C:\Users\user\AppData\...\prvduqtisvisu.vbs, data 11->34 dropped 54 Multi AV Scanner detection for dropped file 11->54 56 Machine Learning detection for dropped file 11->56 58 Contains functionality to steal Chrome passwords or cookies 11->58 60 4 other signatures 11->60 20 wscript.exe 11->20         started        22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        file8 signatures9 process10
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/af171290cc03d72c2c1272b039193cb71fdec5b612330f832dad2220753cb406/
Threat name:
ByteCode-MSIL.Trojan.RemcosRAT
Create hunting rule
Status:
Malicious
First seen:
2021-12-06 13:06:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=v4lrfegmaplsylasokydsgj4w4p55rnwcizq7aznvurca5j4wqda._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/211206-qaxnkseahp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
following.dvrlists.com:119
Unpacked files
SH256 hash:
3c8f77ba2862edab9e620913ed46650273914edc639765e23d1cbfda27115beb
MD5 hash:
33bdfc01f9aadd23a3020b202ee8f1f0
SHA1 hash:
f0983c9a150b3f36a40425753c4f71e40546b9d5
Link:
https://www.unpac.me/results/848ae2f4-f272-4a35-b274-a362b3ffd40e/
SH256 hash:
bd1aca887a28fd40ef174c839ad1603468a0b4e8a4a9dd66a64531a40449f6c3
MD5 hash:
ab5c4c909ffa508e7a36576a71fffa6b
SHA1 hash:
e389574db9e32b83fe71fd1d7349d158f336c2c1
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/848ae2f4-f272-4a35-b274-a362b3ffd40e/
Parent samples :
af171290cc03d72c2c1272b039193cb71fdec5b612330f832dad2220753cb406
c973d3854db8fda1ff848848ab641660e20f3df01bb52426c13c01876115518f
SH256 hash:
a63c0cdd5980ac04f588dd99ef27dfccde18c6fa0850a4479b86b67e8393bc0a
MD5 hash:
9414a38877aa95f94795295095c58483
SHA1 hash:
72864295597306a2dbfecc22a66826462d7b1e1a
Link:
https://www.unpac.me/results/848ae2f4-f272-4a35-b274-a362b3ffd40e/
SH256 hash:
af171290cc03d72c2c1272b039193cb71fdec5b612330f832dad2220753cb406
MD5 hash:
b94861f5509c2dc58cf12457f00a8ec0
SHA1 hash:
0eda47b292df3819a57b0e8865d8371a98a6d259
Link:
https://www.unpac.me/results/848ae2f4-f272-4a35-b274-a362b3ffd40e/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/af171290cc03/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/af171290cc03d72c2c1272b039193cb71fdec5b612330f832dad2220753cb406

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/211784/

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