MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a9f6da50ec15864bd2f5952afb9edd17a30ef0fa2d311a53e14a40ccd845152. 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

SHA256 hash: 0a9f6da50ec15864bd2f5952afb9edd17a30ef0fa2d311a53e14a40ccd845152
SHA3-384 hash: 96241d887766894316031c3dfb9e44d936457fc9b6964ca42093dfe98bef2ace0fca7598c45746ece7dfa36bce5b049b
SHA1 hash: c5ec73b54af3afbde64e08f58113422ee4c11e15
MD5 hash: a92df2baf630f76926a12901dc0162c9
humanhash: pennsylvania-princess-kansas-six
File name:PO#HN-23629 INV# PF01536 And Packing List - Eskimo EI1000 ice maker#80616.scr
Download: download sample
Signature RemcosRAT
File size:1'010'176 bytes
First seen:2024-06-06 07:18:51 UTC
Last seen:Never
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:f0N5O/WKY4QI3VjEBsJUFha3CjI93egym3lRI90AovitTPe11:8/eQIZGY3CU9egfU0AovitC11
Threatray 4'163 similar samples on MalwareBazaar
TLSH T12525110823F88F15E87F53F6A9B5C12107B6B9263163E35D5ED3A4C92D76B810B0672B
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
363
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
0a9f6da50ec15864bd2f5952afb9edd17a30ef0fa2d311a53e14a40ccd845152.exe
Verdict:
Malicious activity
Analysis date:
2024-06-06 07:21:53 UTC
Tags:
rat remcos keylogger

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Creating a process from a recently created file
Setting a keyboard event handler
Connection attempt
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed remcos
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.
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
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
Creates autostart registry keys with suspicious names
Delayed program exit found
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1452836 Sample: PO#HN-23629 INV# PF01536  A... Startdate: 06/06/2024 Architecture: WINDOWS Score: 100 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 16 other signatures 2->54 8 PO#HN-23629 INV# PF01536  And Packing List - Eskimo EI1000 ice maker#80616.scr.exe 3 2->8         started        12 AnyDesk.exe 2 2->12         started        14 AnyDesk.exe 2 2->14         started        16 AnyDesk.exe 2 2->16         started        process3 file4 44 PO#HN-23629 INV# P...r#80616.scr.exe.log, ASCII 8->44 dropped 60 Injects a PE file into a foreign processes 8->60 18 PO#HN-23629 INV# PF01536  And Packing List - Eskimo EI1000 ice maker#80616.scr.exe 2 4 8->18         started        22 AnyDesk.exe 12->22         started        24 AnyDesk.exe 12->24         started        26 AnyDesk.exe 14->26         started        28 AnyDesk.exe 16->28         started        signatures5 process6 file7 38 C:\ProgramData\AnyDesk\AnyDesk.exe, PE32 18->38 dropped 40 C:\...\AnyDesk.exe:Zone.Identifier, ASCII 18->40 dropped 56 Creates autostart registry keys with suspicious names 18->56 30 AnyDesk.exe 3 18->30         started        signatures8 process9 signatures10 62 Multi AV Scanner detection for dropped file 30->62 64 Machine Learning detection for dropped file 30->64 66 Injects a PE file into a foreign processes 30->66 33 AnyDesk.exe 3 3 30->33         started        process11 dnsIp12 46 104.250.180.178, 49708, 49711, 49719 M247GB United States 33->46 42 C:\ProgramData\AnyDesk\logs.dat, data 33->42 dropped 58 Installs a global keyboard hook 33->58 file13 signatures14
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2024-06-05 06:03:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
104.250.180.178:7902
Unpacked files
SH256 hash:
f1d7b16d00a5c3e65ce0c498b567fe70ba334c1c51c58144cf8e7966b126c8c5
MD5 hash:
7f71aa611a47436a942fd26375dee76d
SHA1 hash:
ea47d8945b5b9fa39f401345fda7308d5dd17ae0
Detections:
Remcos win_remcos_w0 win_remcos_auto malware_windows_remcos_rat INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM win_remcos_rat_unpacked
SH256 hash:
1a1de9f3fe4c3a7ea7cd547cdd9d78b3873d6e243e544e5bb647452d6d9f6cfe
MD5 hash:
ceb52a5c98659e8905ea76737fe00c01
SHA1 hash:
bb7b30ff84d6aa26eaa0021c9fa3cd2c5a08e694
SH256 hash:
9f3e138ed8f8bff3fd2f584ef5af85b523087922ad95f6aa6677807532017325
MD5 hash:
c92b0b4941c893824d7f82e760395b33
SHA1 hash:
7d16bdb2141fc3b6946f7d7efa8d42e54173ff1b
SH256 hash:
b3e4cc520c7275b9decf4149baef1e63fe34f56a9ca077975e2b2c9932c03095
MD5 hash:
598ec902f71016590c4d60383504dd17
SHA1 hash:
55e1c5202f65d07f783dbcf302c50739a61018d2
SH256 hash:
0a9f6da50ec15864bd2f5952afb9edd17a30ef0fa2d311a53e14a40ccd845152
MD5 hash:
a92df2baf630f76926a12901dc0162c9
SHA1 hash:
c5ec73b54af3afbde64e08f58113422ee4c11e15
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 0a9f6da50ec15864bd2f5952afb9edd17a30ef0fa2d311a53e14a40ccd845152

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments