MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 897e01eafce2598ea8af8d75f531b87118872fb82f101aa788fc987fdac0ff62. 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: 897e01eafce2598ea8af8d75f531b87118872fb82f101aa788fc987fdac0ff62
SHA3-384 hash: 44667605c4c51d22057a926e43897a3f93b04030516b400033a6a04ec5b4398114d0296abe99387cd405384914fd2db8
SHA1 hash: 8590c404bc427f28952825ebc5848d6defb58114
MD5 hash: 691e9ae6cc7a519b8aead522e32f36a8
humanhash: stream-west-mike-berlin
File name:Medpro Actualizado Proforma 5763,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:825'344 bytes
First seen:2021-09-15 12:12:12 UTC
Last seen:2021-09-15 13:19:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a601bd8c08d369ae936c10e4f2847c3b (1 x ModiLoader, 1 x RemcosRAT)
ssdeep 24576:5R45PBqRj+OTpHBW2h8DAaTY2kjpPPobRf+0awpxh9aWRZEfhqdrpXeA3Z5VfNlo:5SsW2h8DAaTY2kjpPPobRf+0awpxh9aZ
Threatray 1'089 similar samples on MalwareBazaar
TLSH T1F1057E8BEB8394BDE46E15B94CCA6250842CF9003F186DB9BFF8CCB85E74164BD25257
dhash icon 274e4d3305010141 (7 x RemcosRAT, 2 x NetWire, 2 x Formbook)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/188190/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader43.22170.17025.14681.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/61751a8edb358dd15ed925b1/reports/77eaeec7-fa31-48ad-b0b3-75c1abacfc5e/overview
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/642806c5-7c26-4021-9ba1-7d2e8a39332b
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/851385
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
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 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: 483817 Sample: Medpro Actualizado Proforma... Startdate: 15/09/2021 Architecture: WINDOWS Score: 100 44 ongod4ever.ddns.net 2->44 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus / Scanner detection for submitted sample 2->72 74 5 other signatures 2->74 9 Yipigiqb.exe 16 2->9         started        13 Medpro Actualizado Proforma 5763,pdf.exe 1 23 2->13         started        16 Yipigiqb.exe 16 2->16         started        signatures3 process4 dnsIp5 48 192.168.2.1 unknown unknown 9->48 50 onedrive.live.com 9->50 56 2 other IPs or domains 9->56 76 Antivirus detection for dropped file 9->76 78 Multi AV Scanner detection for dropped file 9->78 80 Writes to foreign memory regions 9->80 18 secinit.exe 9->18         started        52 onedrive.live.com 13->52 58 2 other IPs or domains 13->58 42 C:\Users\Public\Libraries\Yipigiqb.exe, PE32 13->42 dropped 82 Creates a thread in another existing process (thread injection) 13->82 84 Injects a PE file into a foreign processes 13->84 21 logagent.exe 2 13->21         started        24 cmd.exe 1 13->24         started        26 cmd.exe 1 13->26         started        54 onedrive.live.com 16->54 60 2 other IPs or domains 16->60 86 Allocates memory in foreign processes 16->86 28 secinit.exe 16->28         started        file6 signatures7 process8 dnsIp9 46 ongod4ever.ddns.net 194.147.140.9, 3030, 49745, 49746 PTPEU unknown 21->46 62 Contains functionality to inject code into remote processes 21->62 64 Contains functionality to steal Firefox passwords or cookies 21->64 66 Delayed program exit found 21->66 30 reg.exe 1 24->30         started        32 conhost.exe 24->32         started        34 cmd.exe 1 26->34         started        36 conhost.exe 26->36         started        signatures10 process11 process12 38 conhost.exe 30->38         started        40 conhost.exe 34->40         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/897e01eafce2598ea8af8d75f531b87118872fb82f101aa788fc987fdac0ff62/
Threat name:
Win32.Backdoor.Remcos
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Status:
Malicious
First seen:
2021-09-15 04:28:56 UTC
AV detection:
19 of 45 (42.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rf7ad2x44jmy5kfprv27kmnyoemiol5yf4ibvj4i7smh7wwa75ra._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
04f483018f53c35976cfd9c4b5191279761a351b3e135a70ae9c5c2b53be154b
RemcosRAT
15851690d3cb99d95e82bb47d3f31db71688c69dd50b0a8367e97aa3b501b637
RemcosRAT
204806f363e25b8caab19fade1152cbdef6d19a2ee0f122ce2a2aa3949154f1d
RemcosRAT
62960caf3d007638be89631e502733f30c42a9ba0269e8c00457c9dec10e9136
RemcosRAT
6a96d22dec9171b154bb1a94c68fa02dda51713709dad161681a759f64cc3014
RemcosRAT
7eb677c1c5c60d34da90cab2b4ea019c500b5c3db6964cc14849dbe2f9f5fa30
RemcosRAT
8cb9b0ac073c398ffc0147a1a84ffa9c2db217df67c5a89f34f4a5fb12be7cc3
RemcosRAT
b0f43b627353f91afa5e4a9c5eea655f5375e497933a6e37c3c0f8a5a29a2889
RemcosRAT
b9384216a5aea20cd398e51c6549bb84d6b252f3fde114010e3cc0c60b1e2b13
RemcosRAT
dc1bb96ddee60e15d3344fc4b0413634a54974ef9e854628157800c9d695f028
RemcosRAT
+ 1'079 additional samples on MalwareBazaar
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:celebration persistence rat
Link:
https://tria.ge/reports/210915-pdrq3aafd6/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Blocklisted process makes network request
Remcos
Malware Config
C2 Extraction:
ongod4ever.ddns.net:3030
Unpacked files
SH256 hash:
519197f521aa39b7a7ab34b4500a304a7329d967115c2e48fe1b6eb201e39af1
MD5 hash:
3da921c9355d01d335cf03159a950030
SHA1 hash:
3be3f4ea8f289a123dcd1f6ac97c6f34a503c9cf
Link:
https://www.unpac.me/results/265564ac-2985-46b5-a49e-33411de0a72e/
SH256 hash:
897e01eafce2598ea8af8d75f531b87118872fb82f101aa788fc987fdac0ff62
MD5 hash:
691e9ae6cc7a519b8aead522e32f36a8
SHA1 hash:
8590c404bc427f28952825ebc5848d6defb58114
Link:
https://www.unpac.me/results/265564ac-2985-46b5-a49e-33411de0a72e/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/897e01eafce2/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/897e01eafce2598ea8af8d75f531b87118872fb82f101aa788fc987fdac0ff62

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 897e01eafce2598ea8af8d75f531b87118872fb82f101aa788fc987fdac0ff62

(this sample)

  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/188190/

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