MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4afefb73e99678c987858f79095a203a3df18eeeb0fe7b59571325613f4a3dd1. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4afefb73e99678c987858f79095a203a3df18eeeb0fe7b59571325613f4a3dd1
SHA3-384 hash: 12a6ce4a2a9b72ad70621c21587f25bd5f957745dbb4cecfff504e490617447606a4299830d0c8021bc39986badda77a
SHA1 hash: 6211c8c8330f703a6b9499406be418d42e3ea828
MD5 hash: 6d7aca4592a1041e1e33327d3dda323a
humanhash: west-rugby-saturn-network
File name:EP40111671A20211113,PDF.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:774'656 bytes
First seen:2021-12-13 09:27:52 UTC
Last seen:2021-12-13 11:37:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash fa0e7f1e414f64ce479e9b2ae5bbfdde (2 x RemcosRAT, 1 x DBatLoader, 1 x RedLineStealer)
ssdeep 12288:x3+1u3fSageKokouFWsr1wYs60jHD0dhc1squpMQ:x3+iboodOLf0f0dmmNpd
TLSH T154F49F23F1F09877D1B32A38DC5B966498F9BF002A34A4466BF43D488F356B17A35297
File icon (PE):PE icon
dhash icon 31b0f0f2f2f6b0b1 (2 x RemcosRAT, 1 x DBatLoader, 1 x RedLineStealer)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
EP40111671A20211113,PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-12-13 09:32:05 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/a48f8eba-683b-4f6f-91d4-ba686dd3fcb7

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/213501/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.5353.20392.13230.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Creating a process from a recently created file
Searching for the window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/1755/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
keylogger packed remcos
Link:
https://www.filescan.io/uploads/61b71225d949b30459f39925/reports/b8ee6154-03a4-4b5d-aa86-b5ace68aa93e/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/422ecb5d-fbbd-4ba1-b412-978a95aefc71
Result
Threat name:
Remcos DBatLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/906196
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
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 a thread in another existing process (thread injection)
Delayed program exit found
Detected Remcos RAT
DLL side loading technique detected
Drops PE files to the user root directory
Found malware configuration
Injects a PE file into a foreign processes
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
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 538670 Sample: EP40111671A20211113,PDF.exe Startdate: 13/12/2021 Architecture: WINDOWS Score: 100 44 goodlife4sure.ddns.net 2->44 64 Multi AV Scanner detection for domain / URL 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 7 other signatures 2->70 9 EP40111671A20211113,PDF.exe 1 23 2->9         started        14 Uciymmfd.exe 15 2->14         started        16 Uciymmfd.exe 15 2->16         started        signatures3 process4 dnsIp5 48 onedrive.live.com 9->48 50 nu06lg.bl.files.1drv.com 9->50 52 bl-files.fe.1drv.com 9->52 36 C:\Users\user\uxtheme.dll, PE32+ 9->36 dropped 38 C:\Users\user\Uciymmfd.exe, PE32 9->38 dropped 40 C:\Users\...\PasswordOnWakeSettingFlyout.exe, PE32+ 9->40 dropped 42 C:\Users\user\Uciymmfd.exe:Zone.Identifier, ASCII 9->42 dropped 80 Drops PE files to the user root directory 9->80 82 Writes to foreign memory regions 9->82 84 Creates a thread in another existing process (thread injection) 9->84 18 DpiScaling.exe 2 9->18         started        22 cmd.exe 1 9->22         started        54 onedrive.live.com 14->54 58 2 other IPs or domains 14->58 86 Multi AV Scanner detection for dropped file 14->86 88 Injects a PE file into a foreign processes 14->88 24 DpiScaling.exe 14->24         started        56 onedrive.live.com 16->56 60 2 other IPs or domains 16->60 26 DpiScaling.exe 16->26         started        file6 signatures7 process8 dnsIp9 46 goodlife4sure.ddns.net 194.147.140.15, 49755, 49756, 49757 PTPEU unknown 18->46 72 Contains functionalty to change the wallpaper 18->72 74 Contains functionality to steal Chrome passwords or cookies 18->74 76 Contains functionality to inject code into remote processes 18->76 78 3 other signatures 18->78 28 cmd.exe 1 22->28         started        30 conhost.exe 22->30         started        signatures10 process11 signatures12 33 conhost.exe 28->33         started        90 DLL side loading technique detected 30->90 process13 signatures14 62 DLL side loading technique detected 33->62
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4afefb73e99678c987858f79095a203a3df18eeeb0fe7b59571325613f4a3dd1/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-12-13 09:28:13 UTC
File Type:
PE (Exe)
Extracted files:
46
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jl7pw47jsz4mtb4fr54qswrahi67ddxowd7hwwkxcmswcp2khxiq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:cool persistence rat
Link:
https://tria.ge/reports/211213-lfchdaeefp/
Behaviour
Runs ping.exe
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
goodlife4sure.ddns.net:6101
Unpacked files
SH256 hash:
1b7543f01e0905aad968e37baccbf702cac518496b11deecc3512c205df0dbe6
MD5 hash:
355d5d8a066c9b9296e54b6bbfa25412
SHA1 hash:
839eb5cc659aec1f09779ae374aa941bcb622b66
Detections:
win_temple_loader_w0
Create hunting rule
Link:
https://www.unpac.me/results/0351d434-47c8-495d-9e6c-d72930587f78/
Parent samples :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 hash:
4afefb73e99678c987858f79095a203a3df18eeeb0fe7b59571325613f4a3dd1
MD5 hash:
6d7aca4592a1041e1e33327d3dda323a
SHA1 hash:
6211c8c8330f703a6b9499406be418d42e3ea828
Link:
https://www.unpac.me/results/0351d434-47c8-495d-9e6c-d72930587f78/
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/4afefb73e99678c987858f79095a203a3df18eeeb0fe7b59571325613f4a3dd1

File information

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

Malspam

RemcosRAT

Executable exe 4afefb73e99678c987858f79095a203a3df18eeeb0fe7b59571325613f4a3dd1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/213501/

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