MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c3438a76874fe406655fed423d72b8a194ad461213b414a97b4927211929d1a. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7c3438a76874fe406655fed423d72b8a194ad461213b414a97b4927211929d1a
SHA3-384 hash: 2af5cb0ea88b2ab41eefd8f77e4385198bf278328beed5b303e8a63c3e47a65e133bdcc5fd4f07fa4032572204d8b1ed
SHA1 hash: 0b669ecbc8b80d3d77454ccd8435f94d3d46696a
MD5 hash: fd2be82e8948a8f6c3be2742202373d8
humanhash: lake-four-winter-sink
File name:SecuriteInfo.com.W32.AIDetectNet.01.31541.31593
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:813'568 bytes
First seen:2022-08-10 02:34:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:k47bWby0l9/2VaCR8Wmezy+WUUkDQF7dyCtbAJllUY+klT8gJT1IlsIl8Y:yl9eAC7Jzy+LUkDQF7yTyY+ktTI2IOY
TLSH T15405E02147984DD8D0A0B7F5AB2294704EB36D259092AE219D3178B73F31773ED13BAE
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 72ceaeaeb2968eaa (57 x AgentTesla, 9 x Formbook, 7 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
290
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.31541.31593
Verdict:
Malicious activity
Analysis date:
2022-08-10 02:37:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ae2c9c4e-80e7-45d6-83b5-e876df1d0e33

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/297523/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.31541.31593.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/62f31970e456f39ac93e109c/reports/97205494-6e63-4b50-ae88-96ddb806921c/overview
Result
Verdict:
UNKNOWN
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:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a0cbf8b8-025c-4a2f-b4df-7b1b02276c9b
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1048996
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
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
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 681490 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 10/08/2022 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 8 other signatures 2->60 10 SecuriteInfo.com.W32.AIDetectNet.01.31541.exe 3 2->10         started        13 remcos.exe 2 2->13         started        15 remcos.exe 2 2->15         started        process3 file4 48 SecuriteInfo.com.W...et.01.31541.exe.log, ASCII 10->48 dropped 17 SecuriteInfo.com.W32.AIDetectNet.01.31541.exe 1 5 10->17         started        20 remcos.exe 13->20         started        22 remcos.exe 15->22         started        process5 file6 44 C:\Users\user\remcos\remcos.exe, PE32 17->44 dropped 46 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 17->46 dropped 24 cmd.exe 1 17->24         started        process7 signatures8 62 Uses ping.exe to sleep 24->62 64 Uses ping.exe to check the status of other devices and networks 24->64 27 remcos.exe 3 24->27         started        30 PING.EXE 1 24->30         started        33 conhost.exe 24->33         started        process9 dnsIp10 66 Multi AV Scanner detection for dropped file 27->66 68 Machine Learning detection for dropped file 27->68 35 remcos.exe 1 2 27->35         started        52 127.0.0.1 unknown unknown 30->52 signatures11 process12 dnsIp13 50 79.134.225.97, 49779, 49787, 8600 FINK-TELECOM-SERVICESCH Switzerland 35->50 38 remcos.exe 35->38         started        40 remcos.exe 35->40         started        42 remcos.exe 35->42         started        process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7c3438a76874fe406655fed423d72b8a194ad461213b414a97b4927211929d1a/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2022-08-10 02:35:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pq2drj3iot7eazsv73kchvzlrimuvvdbee5ucsuxwsjheemstuna._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:host persistence rat
Link:
https://tria.ge/reports/220810-c21mnabheq/
Behaviour
Runs ping.exe
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
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
79.134.225.97:8600
Unpacked files
SH256 hash:
b03faf3a041bde4d07a1c04b75e0dfec6bc15a99ae48d2b1f2698b56b3cd4f00
MD5 hash:
def3693604e1e44d5a76f79c70169c2d
SHA1 hash:
e50f2a33ad816d09b9fa0615d0a3b9c87381d538
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/0c8474b9-45e2-4248-bc8d-7dc888bc08b5/
SH256 hash:
e7d3b4faca30fac92b030fa43055f3f4e98e6e94e9f2f9fe6d80086b8f56bf26
MD5 hash:
2e1f79f73dba574bae6955f82476b915
SHA1 hash:
ce1e59f9962d679e876a54de2c6e893ba016992f
Link:
https://www.unpac.me/results/0c8474b9-45e2-4248-bc8d-7dc888bc08b5/
SH256 hash:
ff15e617566546667cdd7f84f68b850a6b951b29a00cea52c0b623f695051dc1
MD5 hash:
6b6aecea0c458dfe7efb2ab3fe2f9ecb
SHA1 hash:
b041542eb95388a7e94a3b6b435e33db1b8e5d9f
Link:
https://www.unpac.me/results/0c8474b9-45e2-4248-bc8d-7dc888bc08b5/
SH256 hash:
18eb60c0eb3e1c610526d9f4b42684ac36a2ebb521514a8770dca2f2afd7f471
MD5 hash:
7ca239778f9f46d28b08876564dba525
SHA1 hash:
973b0d0d98a83b7dfcf1bfce04a179b0f070b98c
Link:
https://www.unpac.me/results/0c8474b9-45e2-4248-bc8d-7dc888bc08b5/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/0c8474b9-45e2-4248-bc8d-7dc888bc08b5/
SH256 hash:
7c3438a76874fe406655fed423d72b8a194ad461213b414a97b4927211929d1a
MD5 hash:
fd2be82e8948a8f6c3be2742202373d8
SHA1 hash:
0b669ecbc8b80d3d77454ccd8435f94d3d46696a
Link:
https://www.unpac.me/results/0c8474b9-45e2-4248-bc8d-7dc888bc08b5/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7c3438a76874/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/7c3438a76874fe406655fed423d72b8a194ad461213b414a97b4927211929d1a

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/297523/

Comments