MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cb9b0ac073c398ffc0147a1a84ffa9c2db217df67c5a89f34f4a5fb12be7cc3. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8cb9b0ac073c398ffc0147a1a84ffa9c2db217df67c5a89f34f4a5fb12be7cc3
SHA3-384 hash: 3d60a9cbe3b95e169575304772850974fbbd7d6622f95322b7cb5d4ed94b7c017bcd3e90e0bf85c947a0afa451d62f21
SHA1 hash: f89baf9e159752c8c3a88d825e2395f7f8b20f98
MD5 hash: c686ad53edd30fcbdef399ac9b52afb3
humanhash: one-nevada-seven-mississippi
File name:PO N. ordine 338390208B,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:740'352 bytes
First seen:2021-09-08 05:19:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ceaa652f3ced51b4d37f51c5b68fecf1 (4 x RemcosRAT)
ssdeep 12288:2FOlCoLQAsZX1x4kIkA7aMks4rimoAwQ:2/AsZlx4m4xksK
Threatray 1'164 similar samples on MalwareBazaar
TLSH T183F439F6EECC4CF3E02676798D41B6602826B9F62C1A6CCD5C945F447AB8362B53484F
dhash icon acacacb6a2968eaa (13 x RemcosRAT, 4 x Formbook, 4 x AveMariaRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO N. ordine 338390208B,pdf.cab
Verdict:
Malicious activity
Analysis date:
2021-09-07 19:09:46 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/85b40671-b721-41fe-b13d-0eb30f098621

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/186156/
Detection(s):
PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a UDP request
Connection attempt
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching a process
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Connection attempt to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Unauthorized injection to a system process
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7739bcc7-5a37-44cf-8fa4-4d48a31387f9
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/847075
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates a thread in another existing process (thread injection)
Delayed program exit found
Detected Remcos RAT
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 Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 479501 Sample: PO N. ordine 338390208B,pdf.exe Startdate: 08/09/2021 Architecture: WINDOWS Score: 100 44 newlogs.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 5 other signatures 2->70 9 PO N. ordine 338390208B,pdf.exe 1 22 2->9         started        14 Hojzzoc.exe 15 2->14         started        16 Hojzzoc.exe 15 2->16         started        signatures3 process4 dnsIp5 50 onedrive.live.com 9->50 52 fu9jdg.dm.files.1drv.com 9->52 54 dm-files.fe.1drv.com 9->54 42 C:\Users\Public\Libraries\...\Hojzzoc.exe, PE32 9->42 dropped 80 Writes to foreign memory regions 9->80 82 Creates a thread in another existing process (thread injection) 9->82 84 Injects a PE file into a foreign processes 9->84 18 DpiScaling.exe 2 9->18         started        22 cmd.exe 1 9->22         started        24 cmd.exe 1 9->24         started        56 onedrive.live.com 14->56 60 2 other IPs or domains 14->60 86 Multi AV Scanner detection for dropped file 14->86 26 logagent.exe 14->26         started        58 onedrive.live.com 16->58 62 2 other IPs or domains 16->62 28 mobsync.exe 16->28         started        file6 signatures7 process8 dnsIp9 46 newlogs.ddns.net 185.140.53.11, 49733, 49734, 49735 DAVID_CRAIGGG Sweden 18->46 48 192.168.2.1 unknown unknown 18->48 72 Contains functionality to steal Chrome passwords or cookies 18->72 74 Contains functionality to inject code into remote processes 18->74 76 Contains functionality to steal Firefox passwords or cookies 18->76 30 reg.exe 1 22->30         started        32 conhost.exe 22->32         started        34 cmd.exe 1 24->34         started        36 conhost.exe 24->36         started        78 Delayed program exit found 26->78 signatures10 process11 process12 38 conhost.exe 30->38         started        40 conhost.exe 34->40         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8cb9b0ac073c398ffc0147a1a84ffa9c2db217df67c5a89f34f4a5fb12be7cc3/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-09-07 19:32:25 UTC
AV detection:
11 of 28 (39.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rs43blahhq4y77abi6q2qt72tqw3ef67m7c2rhzu6ss7wev6ptbq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
04f483018f53c35976cfd9c4b5191279761a351b3e135a70ae9c5c2b53be154b
RemcosRAT
204806f363e25b8caab19fade1152cbdef6d19a2ee0f122ce2a2aa3949154f1d
RemcosRAT
62960caf3d007638be89631e502733f30c42a9ba0269e8c00457c9dec10e9136
RemcosRAT
6a96d22dec9171b154bb1a94c68fa02dda51713709dad161681a759f64cc3014
RemcosRAT
7eb677c1c5c60d34da90cab2b4ea019c500b5c3db6964cc14849dbe2f9f5fa30
RemcosRAT
a737c6bf1fe3e63d6d187d114d887c6c1e722579fc9caab72ce4451564e165f6
RemcosRAT
b0f43b627353f91afa5e4a9c5eea655f5375e497933a6e37c3c0f8a5a29a2889
RemcosRAT
b9384216a5aea20cd398e51c6549bb84d6b252f3fde114010e3cc0c60b1e2b13
RemcosRAT
bb63c61554ccc2caa79eec3705c3e4ce41626e88f375a8a1bc5b514e489b0f04
RemcosRAT
dc1bb96ddee60e15d3344fc4b0413634a54974ef9e854628157800c9d695f028
RemcosRAT
+ 1'154 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:kings persistence rat
Link:
https://tria.ge/reports/210908-f1f4eadgd7/
Behaviour
Modifies registry key
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
newlogs.ddns.net:6565
Unpacked files
SH256 hash:
cd4b225505e84218ef7418c8e5f41acbb67c51bd43e9ddcfa25341259377d3df
MD5 hash:
b7816cb3535b2f2675804d3052295003
SHA1 hash:
db4588853aa1ec16b1f2d29b1e873a653a1ecb13
Link:
https://www.unpac.me/results/182c3925-94a9-493d-90ae-57c9cadbb78c/
SH256 hash:
8cb9b0ac073c398ffc0147a1a84ffa9c2db217df67c5a89f34f4a5fb12be7cc3
MD5 hash:
c686ad53edd30fcbdef399ac9b52afb3
SHA1 hash:
f89baf9e159752c8c3a88d825e2395f7f8b20f98
Link:
https://www.unpac.me/results/182c3925-94a9-493d-90ae-57c9cadbb78c/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8cb9b0ac073c/report/overview.html
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/8cb9b0ac073c398ffc0147a1a84ffa9c2db217df67c5a89f34f4a5fb12be7cc3

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_EnvVarScheduledTasks
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC (ab)using Environment Variables in Scheduled Tasks
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule

File information

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

Malspam

RemcosRAT

Executable exe 8cb9b0ac073c398ffc0147a1a84ffa9c2db217df67c5a89f34f4a5fb12be7cc3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/186156/

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