MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1f545de09f0d7a4b5adcbfd695e64333d6195e53c120cacfb1e276d8fc7afed. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f1f545de09f0d7a4b5adcbfd695e64333d6195e53c120cacfb1e276d8fc7afed
SHA3-384 hash: cebccbbc0439d284de91bd638d3015041a86c28d51d9fc8ec5592b7f50243d644c9f82d8ade20d06b41f60f4f9b3f121
SHA1 hash: ca2632bc8c5a2a28588d3899bfdc5780a79248ec
MD5 hash: 3e531f8c061c2ae2bea5e9679efed8f7
humanhash: beryllium-foxtrot-ohio-orange
File name:IM0003057615_pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'172'453 bytes
First seen:2021-07-16 12:20:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:WAOcZwlfFDTN2KBLxP64JC9MWt/c2GC6dHRmostu7:cXTNHVAhwdxmostu7
Threatray 701 similar samples on MalwareBazaar
TLSH T1F245E042EFF144F7D476073105771B316EBAAF301A75861A5BA0347DAE723836A23B92
Reporter Anonymous
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IM0003057615_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-07-16 12:22:49 UTC
Tags:
trojan rat remcos keylogger
Link:
https://app.any.run/tasks/cbf29fca-b4d4-4af0-9538-d67843708575

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/172192/
Detection(s):
Win.Malware.Nymeria-7168557-0
Create hunting rule

Win.Malware.Qshell-9875653-0
Create hunting rule

SecuriteInfo.com.Gen.Variant.Johnnie.221809.751.14920.UNOFFICIAL
Create hunting rule

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:
Malicious
Link:
https://analyze.intezer.com/analyses/093273af-6417-4a28-86f1-147877f32cc0
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/817440
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Drops PE files with a suspicious file extension
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Suspicious Process Start Without DLL
Sigma detected: WScript or CScript Dropper
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 449851 Sample: IM0003057615_pdf.exe Startdate: 16/07/2021 Architecture: WINDOWS Score: 100 50 Multi AV Scanner detection for domain / URL 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 7 other signatures 2->56 11 IM0003057615_pdf.exe 35 2->11         started        15 gfsol.pif 2->15         started        process3 file4 44 C:\Users\user\04277447\gfsol.pif, PE32 11->44 dropped 80 Drops PE files with a suspicious file extension 11->80 17 gfsol.pif 4 3 11->17         started        21 wscript.exe 15->21         started        signatures5 process6 file7 42 C:\Users\user\04277447\run.vbs, ASCII 17->42 dropped 58 Multi AV Scanner detection for dropped file 17->58 23 wscript.exe 1 17->23         started        25 gfsol.pif 21->25         started        signatures8 process9 signatures10 28 gfsol.pif 23->28         started        74 Writes to foreign memory regions 25->74 76 Allocates memory in foreign processes 25->76 78 Injects a PE file into a foreign processes 25->78 30 RegSvcs.exe 25->30         started        process11 process12 32 wscript.exe 1 28->32         started        process13 34 gfsol.pif 32->34         started        dnsIp14 46 192.168.2.1 unknown unknown 34->46 60 Writes to foreign memory regions 34->60 62 Allocates memory in foreign processes 34->62 64 Injects a PE file into a foreign processes 34->64 38 RegSvcs.exe 34->38         started        signatures15 process16 dnsIp17 48 cato.fingusti.club 79.134.225.92, 49755, 6609 FINK-TELECOM-SERVICESCH Switzerland 38->48 66 Contains functionality to steal Chrome passwords or cookies 38->66 68 Contains functionality to capture and log keystrokes 38->68 70 Contains functionality to inject code into remote processes 38->70 72 Contains functionality to steal Firefox passwords or cookies 38->72 signatures18
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f1f545de09f0d7a4b5adcbfd695e64333d6195e53c120cacfb1e276d8fc7afed/
Threat name:
Win32.Trojan.Rescoms
Create hunting rule
Status:
Malicious
First seen:
2021-07-16 12:20:20 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6h2ulxqj6dl2jnnnzp6wsxtegm6wdfpfhqjazlh3dytw3d6hv7wq._file
Verdict:
malicious
Similar samples:
022a59ed972a0a93af024278929ae49d28e59382e620c283dd3b701f24a218d4
RemcosRAT
20abcc84d40d1b7314e3f293c510ee4f5199d43db15074aa79705c98bacf5ff5
RemcosRAT
63df29d3fa84705de35251b66c3cf555ba225d9a2b064edbd566ccd1b3c59e07
RemcosRAT
78d69d13a0b072d4f89ad34f4ef07d84917585a5b1d921fb011d8f650ffb88d4
RemcosRAT
7cf95c0b9a54fa67fcd82ab0dc3dddbbb3861b9c4111a12e628f0003b02e41d9
RemcosRAT
c8a4462c6b8f5d8728d5374adc98def5a5c38dd97d70a1c3859c876bfbe3fbd0
RemcosRAT
ebbc6f882c469db06196cbeea3ef7b62899229ef1f89234ef3ace2f83ce2b557
RemcosRAT
ee9581098eb9fed674854c0f2579b5bfb17ae7788cdbb15abaa3c5af3af50ecc
RemcosRAT
f2597b91433ba86188dd0e53cf04d2c43d97f5231bc3077df18e75447f15c77c
RemcosRAT
+ 691 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:nanocore family:remcos botnet:newyear keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/210716-1a8bdd8dgj/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
NanoCore
Remcos
Malware Config
C2 Extraction:
cato.fingusti.club:6609
Unpacked files
SH256 hash:
3931e29ab7b843e7df10c18612637b0d0a5d4d8ffee73cebf7eab2a354f29594
MD5 hash:
731edd048b9c0bde186fc40db623a87c
SHA1 hash:
0a220858d4a86dd25ce89ced0dd1d0f6c2ef3db4
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/c89c71ba-7e39-4204-b30a-fe3c9e35d3b1/
SH256 hash:
15597d6ac78267a5c2bde3862685ed1f983256084f2a951b3df50f592998446e
MD5 hash:
83a6909d085f0293c90e431129b7be3e
SHA1 hash:
f67d74affc2a467365d504792d583a7b8f76173a
Link:
https://www.unpac.me/results/c89c71ba-7e39-4204-b30a-fe3c9e35d3b1/
SH256 hash:
f1f545de09f0d7a4b5adcbfd695e64333d6195e53c120cacfb1e276d8fc7afed
MD5 hash:
3e531f8c061c2ae2bea5e9679efed8f7
SHA1 hash:
ca2632bc8c5a2a28588d3899bfdc5780a79248ec
Link:
https://www.unpac.me/results/c89c71ba-7e39-4204-b30a-fe3c9e35d3b1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/f1f545de09f0d7a4b5adcbfd695e64333d6195e53c120cacfb1e276d8fc7afed

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:ach_RemcosRAT
Create hunting rule
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

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

  
Delivery method
Distributed via e-mail link
Cape
Cape
https://www.capesandbox.com/analysis/172192/

Comments