MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3f99338943e59e1301976550d8f5951e171564ff7b27a726ffedbaf6a96bde9. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f3f99338943e59e1301976550d8f5951e171564ff7b27a726ffedbaf6a96bde9
SHA3-384 hash: 49fc8eb43fe401e02a2840d715a12bc97ec1f9ef87c63772acc3698d03189364c3fa17a1d4ffc280bcd9c317aeb25d4b
SHA1 hash: 8b8308f3140f74f01d81d3c3ddbace6639ceefab
MD5 hash: 599e2bdbe317efed9b0a06bfa7939275
humanhash: princess-magnesium-shade-fourteen
File name:SecuriteInfo.com.Variant.Lazy.263668.15869.26099
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'407'424 bytes
First seen:2022-11-13 08:47:15 UTC
Last seen:2022-11-13 09:40:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 49152:+T5q0EhdLzdiIX+74v80vpqS6uOutyk0Fr9CKkGVajf6t:+T5q0gdLU4+74v80RcubCr93kGVaT
Threatray 2'199 similar samples on MalwareBazaar
TLSH T1B8B533975040822FFC8DBAB714670EB095AB0C645734A9E0F29F3E6E5BB38D151F684B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 00071a1b52522920 (18 x RemcosRAT, 4 x Formbook, 1 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Variant.Lazy.263668.15869.26099
Verdict:
Malicious activity
Analysis date:
2022-11-13 08:49:56 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/6627cbda-1653-4f59-9dea-91424454969f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/333199/
Detection(s):
SecuriteInfo.com.Variant.Lazy.263668.15869.26099.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending an HTTP GET request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6370af435ae98d577068f4db/reports/19bbaad5-3c7b-4549-a74a-453cd571f0c8/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:
Suspicious
Link:
https://analyze.intezer.com/analyses/864f3f89-0c6a-43f0-b0ec-dcdf00aea1a1
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1112169
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option 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 domain / URL
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 744865 Sample: SecuriteInfo.com.Variant.La... Startdate: 13/11/2022 Architecture: WINDOWS Score: 100 46 Multi AV Scanner detection for domain / URL 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 7 other signatures 2->52 7 SecuriteInfo.com.Variant.Lazy.263668.15869.26099.exe 1 7 2->7         started        11 Nhhkjnvs.exe 4 2->11         started        13 Nhhkjnvs.exe 3 2->13         started        process3 file4 34 C:\Users\user\AppData\...34hhkjnvs.exe, PE32 7->34 dropped 36 C:\Users\...36hhkjnvs.exe:Zone.Identifier, ASCII 7->36 dropped 38 SecuriteInfo.com.V...15869.26099.exe.log, ASCII 7->38 dropped 54 Encrypted powershell cmdline option found 7->54 56 Injects a PE file into a foreign processes 7->56 15 SecuriteInfo.com.Variant.Lazy.263668.15869.26099.exe 2 7->15         started        18 powershell.exe 16 7->18         started        20 SecuriteInfo.com.Variant.Lazy.263668.15869.26099.exe 7->20         started        58 Antivirus detection for dropped file 11->58 60 Machine Learning detection for dropped file 11->60 22 powershell.exe 11->22         started        24 Nhhkjnvs.exe 11->24         started        26 powershell.exe 13->26         started        signatures5 process6 dnsIp7 40 185.206.225.51, 18853 M247GB United Kingdom 15->40 42 10.16.225.165, 18853 unknown unknown 15->42 44 127.0.0.1 unknown unknown 15->44 28 conhost.exe 18->28         started        30 conhost.exe 22->30         started        32 conhost.exe 26->32         started        process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f3f99338943e59e1301976550d8f5951e171564ff7b27a726ffedbaf6a96bde9/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-11-13 05:44:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 41 (53.66%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6p4zgoeuhzm6cmazozkq3d2zkhqxcvsp66zhu4tp73n262uwxxuq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
masslogger
Create hunting rule
Similar samples:
082525150d7aace7e21b3bfb469f86c2e7239593c50cebc143d7f8a66b898b83
RemcosRAT
0ef5c827d7b4bd9a40906909a27902b3ddcd8e3b2181d2d0df02834c96925033
RemcosRAT
2fe6e7ac5c699248c6f80259e23782d718bea739b0687a91e949cbdf486a4abf
RemcosRAT
346a4ca2e508923bcf0e4c0d73a2ee06d91bd436b8db4981ab9ecb16e6f5110d
RemcosRAT
357d7791398ff5681a24bf65fd84deb8067d8ff1365d2c00cd6672fd0e5ff4f9
RemcosRAT
b38b27f4e9db2200b2aac0416699f6a1b079ffc7923a74859d75ff2d04cbb8b4
RemcosRAT
c5fe9955259f76f4b03bd65fd5e146803690d8057d7ef474c3b1b8eec0b1b928
RemcosRAT
ce195de0b69a9f6c6e5aca39cc107917fa06e6d283acbeb79de45e6c85c5cb3f
RemcosRAT
+ 2'189 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:faith persistence rat
Link:
https://tria.ge/reports/221113-kqfgcaah45/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
185.206.225.51:18853
127.0.0.1:18853
10.16.225.165:18853
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/68e0e624-15f7-4ddc-9cb1-1c944ea07d92
Unpacked files
SH256 hash:
787ef0f77acfda9981cd1c7bbc0343fcae6c72e640df007f60f13b1340afff0d
MD5 hash:
e09d8e9781d05d3e6b6080df8bc9a1c4
SHA1 hash:
effbd05328ce2cefb4d1cb9da63028f63833da36
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/9ddab76d-bd83-42d5-8d73-55ae9e6adf7f/
Parent samples :
a840e006d53f3fd3916a829a5f830686b64f35c21378cd00be35347d4586a059
e06c3351c0ae004540812cbbf40f04684b011e4bde0524e46085addfd6f712c8
eea4a2987c0850f1c258defc2177cb60ec07a4b13adf82aef9ba3ceecb1553d2
d7264c654056f0fdb63f216aeec7f9fb8d912ff87b89922741f810637a2c51a8
6703b7143d3bf511ee7a8d8f3202c87c6c76689653525e04954f132c34aff3f9
5903351df18ec7eb5de3f2572cb84d18fdbc6e4af800386f4a714285f2ed52aa
74eed520d759e623eda681f601b8a7ceb741088b36f0ad3442f8127a374790c2
f3f99338943e59e1301976550d8f5951e171564ff7b27a726ffedbaf6a96bde9
3fd9f0e8c656dd07a47d042a5e218fcace3a836bdf2f9cdaa4801c88f0ff2f47
0cb0ccd87b7c1c50fdfe7a270cb40ff92376ae47b0394ccf1829dd9130b3a30f
e44bacf6fb23f27328cdb3f6fea5febdfdfab5729c69a024c63040faf1e08baf
e0d3e7932df9715d7e739474f2d4e06dc3c3bfb7bda509c3845bd0cd06302168
05839c4974350e259502d664b4bf0fe2b228db4a95c39f4dc6d19b31414453aa
51303a3cb940ee46abb13f86445224f6fc986d93956c15bf11d6c126d79a5d23
afd3e4f2219c7e1e0d279ed5eb653eac11a37aa59727af4522776d3289d1cb1c
6b10be1005e53ea3c1f150b83f52be54d5141a2fcdbe9a010be26de674451064
SH256 hash:
3efcd6b2c426ce1adba4072f70385993cf9280f7c8f583b2fa7fece6ebbb59fd
MD5 hash:
f878b5f19b951fe72c56e0d8e8dfe3d9
SHA1 hash:
885809871ab18337e82340aa215faedd2237c1e0
Link:
https://www.unpac.me/results/9ddab76d-bd83-42d5-8d73-55ae9e6adf7f/
SH256 hash:
f3f99338943e59e1301976550d8f5951e171564ff7b27a726ffedbaf6a96bde9
MD5 hash:
599e2bdbe317efed9b0a06bfa7939275
SHA1 hash:
8b8308f3140f74f01d81d3c3ddbace6639ceefab
Link:
https://www.unpac.me/results/9ddab76d-bd83-42d5-8d73-55ae9e6adf7f/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f3f99338943e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f3f99338943e59e1301976550d8f5951e171564ff7b27a726ffedbaf6a96bde9

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.

Cape
Cape
https://www.capesandbox.com/analysis/333199/

Comments