MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56d99633ed941aebdaf59b2bb4ecb029175cd1110563e74e80a500510082579a. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 56d99633ed941aebdaf59b2bb4ecb029175cd1110563e74e80a500510082579a
SHA3-384 hash: 64ba3747183881dcdd8567eab863d3a8287445575564a9f01fd65754abef0e3ea40526e1aacbb49bf6d2c232f194614b
SHA1 hash: ae2cb09e4823fc01dfa976d4a528880ee28666be
MD5 hash: 9902fd26a00440e31f3f32ed3a07e552
humanhash: ohio-hot-fillet-eight
File name:PO-22385.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'007'616 bytes
First seen:2024-01-31 10:39:09 UTC
Last seen:2024-01-31 12:50:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:Kkr8bshNB1t1B48CfybAXD8EO7E1TUCJKbGqjcApoiJq:bwbyTK8CEAXHOAfkeiJ
Threatray 3'419 similar samples on MalwareBazaar
TLSH T1C8251203B19DC72CCE684A743138867483A1EF1F9051EA96BDD6FCBF157628D031A6E6
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon ecec889ce6d8e8f0 (40 x Formbook, 21 x AgentTesla, 12 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
265
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
56d99633ed941aebdaf59b2bb4ecb029175cd1110563e74e80a500510082579a.exe
Verdict:
Malicious activity
Analysis date:
2024-01-31 10:50:38 UTC
Tags:
remcos
Link:
https://app.any.run/tasks/d596d5ab-eea8-4faa-8c0c-a88d2f00f7b1

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/473724/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2657.19114.27144.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
Link:
https://www.filescan.io/uploads/65ba23830eab2d16054bd464/reports/76c45ca2-1a41-4160-8bc5-93770988fce0/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/56d99633ed941aebdaf59b2bb4ecb029175cd1110563e74e80a500510082579a
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:
MSIL Injector
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/42cf663b-6356-4e81-9a49-de9b4b0cd73b
Result
Threat name:
PureLog Stealer, Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1383934
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected PureLog Stealer
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1383934 Sample: PO-22385.exe Startdate: 31/01/2024 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Sigma detected: Scheduled temp file as task from temp location 2->47 49 9 other signatures 2->49 7 PO-22385.exe 7 2->7         started        11 IjEWZJJncWBf.exe 5 2->11         started        process3 file4 39 C:\Users\user\AppData\...\IjEWZJJncWBf.exe, PE32 7->39 dropped 41 C:\Users\user\AppData\Local\...\tmpD459.tmp, XML 7->41 dropped 51 Contains functionality to bypass UAC (CMSTPLUA) 7->51 53 Contains functionalty to change the wallpaper 7->53 55 Contains functionality to steal Chrome passwords or cookies 7->55 63 5 other signatures 7->63 13 powershell.exe 23 7->13         started        15 powershell.exe 23 7->15         started        17 schtasks.exe 1 7->17         started        23 4 other processes 7->23 57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 61 Injects a PE file into a foreign processes 11->61 19 schtasks.exe 11->19         started        21 IjEWZJJncWBf.exe 11->21         started        signatures5 process6 process7 25 WmiPrvSE.exe 13->25         started        27 conhost.exe 13->27         started        29 conhost.exe 15->29         started        31 conhost.exe 17->31         started        33 conhost.exe 19->33         started        35 WerFault.exe 21->35         started        37 WerFault.exe 21 16 23->37         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/56d99633ed941aebdaf59b2bb4ecb029175cd1110563e74e80a500510082579a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/56d99633ed941aebdaf59b2bb4ecb029175cd1110563e74e80a500510082579a/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2024-01-31 03:27:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k3mzmm7nsqnoxwxvtmv3j3fqfelvzuiravr6otuauuafcaeck6na._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
455081f6fed14906ac4cbd035d37910a2d06776371f064e8dd94700f120ed6fd
RemcosRAT
6c31c906b79f6b7e04ebbf079735b5a1052f4df211a161fe887b6df8bd0c9eee
RemcosRAT
9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867
RemcosRAT
a93b22b0bd2cb4d7f22cdf8f33ec79bdb8ea7a3a8561a79ea24a4cca6bcc1c9d
RemcosRAT
f7b30dc1f94300574b8732927571cb9c63c8e986849f4079a8ceda881acf8c26
RemcosRAT
+ 3'409 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos rat
Link:
https://tria.ge/reports/240131-mqjvwacbbr/
Behaviour
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Unpacked files
SH256 hash:
a2dc1d93cde2263177206bcb22ff71ea4ffc3ff072f97a27c9245117f877d975
MD5 hash:
1a7ecbeb9a03f9c4af4a739f8d0c8e7b
SHA1 hash:
d986acc31e9692bda1c23c77c3c05443029832b5
Link:
https://www.unpac.me/results/947c0ce3-81ad-4bb8-b0e5-6507815aa221/
SH256 hash:
d2cf3273461ffa1b29715828f358368312ae4f08a731f4e449a44f6dc50e26c5
MD5 hash:
df7936d5ea0c80f3003b445c7f8deb44
SHA1 hash:
b995b22e77a11cda256e84a01ccadb85451460ed
Link:
https://www.unpac.me/results/947c0ce3-81ad-4bb8-b0e5-6507815aa221/
SH256 hash:
a7097659d0b8886c761709d7309bf378a7fbc7a325e2d1f4e7a1113698344f4f
MD5 hash:
d5c69b521525fc9e0ad51e65154c63aa
SHA1 hash:
9f9b885250ce857678b0941217f213d9f103f7e0
Link:
https://www.unpac.me/results/947c0ce3-81ad-4bb8-b0e5-6507815aa221/
SH256 hash:
dd41a2c27f645b1be1bf534cff0afdcace8837bf6ea50cada9405fc0a75a3188
MD5 hash:
934a3be37a443ce6fde1eadc1f4548b6
SHA1 hash:
86bbda39e6e5401f1b2d2f010ac6dd409fc008a7
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/947c0ce3-81ad-4bb8-b0e5-6507815aa221/
SH256 hash:
3014b859be7cafca84f61ab3398e0832d80175d76dc6ff4a45df7b2fef39dcaf
MD5 hash:
17cbde8bc5d57e164c1daa95d1b37d0b
SHA1 hash:
4856da540fd30d018fa511c9ce705871e1e2affa
Link:
https://www.unpac.me/results/947c0ce3-81ad-4bb8-b0e5-6507815aa221/
SH256 hash:
56d99633ed941aebdaf59b2bb4ecb029175cd1110563e74e80a500510082579a
MD5 hash:
9902fd26a00440e31f3f32ed3a07e552
SHA1 hash:
ae2cb09e4823fc01dfa976d4a528880ee28666be
Link:
https://www.unpac.me/results/947c0ce3-81ad-4bb8-b0e5-6507815aa221/
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/56d99633ed941aebdaf59b2bb4ecb029175cd1110563e74e80a500510082579a

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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 56d99633ed941aebdaf59b2bb4ecb029175cd1110563e74e80a500510082579a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/473724/

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