MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a41233051e12f046dedb8f3d46e9d32c58f24db45aeb6829b36f699e64987f35. 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 File information Comments

SHA256 hash: a41233051e12f046dedb8f3d46e9d32c58f24db45aeb6829b36f699e64987f35
SHA3-384 hash: 0d6355883f4303174a8e4ee8048a80738be803113f95f610a00c681f2c4c0f9c54416ce46bc31585597a1eda8a7dd133
SHA1 hash: 38ac8624c42376dd192f9a7e0d76a9fed6bd3d2f
MD5 hash: 1656f335cc5314ed4ecce055517984a7
humanhash: edward-uniform-oklahoma-nitrogen
File name:SecuriteInfo.com.Win32.Evo-gen.2372.5829
Download: download sample
Signature RemcosRAT
File size:494'266 bytes
First seen:2022-11-22 03:36:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 12288:WAODSYjXzr2/pZhAnMLulNMu5g5gpSRN1plQY6R/WAx2a8:JXYjXzr2/pZhEZlNTo0K1pqvV8
Threatray 2'242 similar samples on MalwareBazaar
TLSH T1ECB4230BB38049A7EE03D934649B9B3EC7FBC00526442AD743F32D959979793916A0DF
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f4f679b179698cd4 (17 x RemcosRAT, 4 x SnakeKeylogger, 2 x NanoCore)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
SecuriteInfo.com.Win32.Evo-gen.2372.5829
Verdict:
Malicious activity
Analysis date:
2022-11-22 03:36:28 UTC
Tags:
rat remcos

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

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Searching for the window
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Sending an HTTP GET request
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:
overlay packed shell32.dll
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:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 751335 Sample: SecuriteInfo.com.Win32.Evo-... Startdate: 22/11/2022 Architecture: WINDOWS Score: 100 52 Multi AV Scanner detection for domain / URL 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 6 other signatures 2->58 7 SecuriteInfo.com.Win32.Evo-gen.2372.5829.exe 18 2->7         started        10 mtslpbheyeuyd.exe 1 2->10         started        13 mtslpbheyeuyd.exe 1 2->13         started        process3 file4 34 C:\Users\user\AppData\Local\...\yrluzbq.exe, PE32 7->34 dropped 15 yrluzbq.exe 1 3 7->15         started        60 Multi AV Scanner detection for dropped file 10->60 62 Machine Learning detection for dropped file 10->62 19 WerFault.exe 3 10 10->19         started        21 conhost.exe 10->21         started        23 WerFault.exe 10 13->23         started        25 conhost.exe 13->25         started        signatures5 process6 file7 38 C:\Users\user\AppData\...\mtslpbheyeuyd.exe, PE32 15->38 dropped 44 Multi AV Scanner detection for dropped file 15->44 46 Machine Learning detection for dropped file 15->46 48 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->48 50 4 other signatures 15->50 27 yrluzbq.exe 2 16 15->27         started        32 conhost.exe 15->32         started        signatures8 process9 dnsIp10 40 ucremcz1.ddns.net 185.216.71.149, 1823, 49695 CLOUDCOMPUTINGDE Germany 27->40 42 geoplugin.net 178.237.33.50, 49696, 80 ATOM86-ASATOM86NL Netherlands 27->42 36 C:\Users\user\AppData\Roaming\...\logs.dat, data 27->36 dropped 64 Installs a global keyboard hook 27->64 file11 signatures12
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-11-22 01:08:18 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:uc persistence rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
ucremcz1.ddns.net:1823
Unpacked files
SH256 hash:
c2296809155417083c5c50349b1c817a942c72a3411251fbcd6900558be81ed1
MD5 hash:
2dbb39ff68e2110693f6fa79a766c3be
SHA1 hash:
6eccdf701150d004c49aff4070f0f34c16ae1a0b
Detections:
Remcos win_remcos_auto
SH256 hash:
d012eda9fd3d80f3048901ed49682ce80ae748902a06d79b6aa008857adff7e5
MD5 hash:
90681a6ab87caba9b53ade69dabc1922
SHA1 hash:
5fc5551c92d849a4ab3e9ddd65830a44e6d8a4bc
SH256 hash:
a41233051e12f046dedb8f3d46e9d32c58f24db45aeb6829b36f699e64987f35
MD5 hash:
1656f335cc5314ed4ecce055517984a7
SHA1 hash:
38ac8624c42376dd192f9a7e0d76a9fed6bd3d2f
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments