MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bf82794b7a65dd38c5f0f78813b1f882a9ff838fa94543e74a3a29a22307032. 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
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SHA256 hash: 1bf82794b7a65dd38c5f0f78813b1f882a9ff838fa94543e74a3a29a22307032
SHA3-384 hash: a07af74afbb91af1255992bf344c8b72d40eed2536b36c1e106b24c59325657463c036542f18b256c91fb7a80e7c3261
SHA1 hash: 96d376b679677568cf7209bd6787258a1cc3f78c
MD5 hash: d71f2f286d937ce775c3a3ec91293c6f
humanhash: south-michigan-kilo-salami
File name:Urgente RFQ_AP65425652_032421,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:766'464 bytes
First seen:2021-08-05 05:50:04 UTC
Last seen:2021-08-05 07:21:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5d5434596ea18ae43a7aaca0d4518a1b (2 x RemcosRAT)
ssdeep 12288:63obX9TMexlCF3fcwsqBH+fkmgUztnuHGIJb3:Pz9rCF3fcwsY+fRgUdA
TLSH T1FFF45C2166434C3EC13F3A394C0E9F8E692DFB11551B9B4A29AC6D1D1E6978339281FF
dhash icon 2a156a6a49c8c8c8 (5 x RemcosRAT)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Urgente RFQ_AP65425652_032421,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-05 05:52:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/96d57559-dd2c-4db8-ba10-c2d830eb87d1

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/176517/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader40.65196.14305.21658.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Sending a custom TCP request
DNS request
Connection attempt
Creating a file
Deleting a recently created file
Launching the default Windows debugger (dwwin.exe)
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.
Malware family:
REMCOS
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0a5c4364-a3c3-414e-8c24-ce18069c6f82
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/827874
Signature
Allocates memory in foreign processes
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
Creates a thread in another existing process (thread injection)
Delayed program exit found
Detected Remcos RAT
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: 460304 Sample: Urgente RFQ_AP65425652_0324... Startdate: 06/08/2021 Architecture: WINDOWS Score: 100 30 newlogs.ddns.net 2->30 54 Malicious sample detected (through community Yara rule) 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Detected Remcos RAT 2->58 60 2 other signatures 2->60 7 Urgente RFQ_AP65425652_032421,pdf.exe 1 19 2->7         started        12 Fzgbblo.exe 16 2->12         started        14 Fzgbblo.exe 16 2->14         started        signatures3 process4 dnsIp5 32 onedrive.live.com 7->32 34 ebrhbq.dm.files.1drv.com 7->34 36 dm-files.fe.1drv.com 7->36 24 C:\Users\Public\Libraries\...\Fzgbblo.exe, PE32 7->24 dropped 62 Writes to foreign memory regions 7->62 64 Allocates memory in foreign processes 7->64 66 Creates a thread in another existing process (thread injection) 7->66 16 dialer.exe 2 7->16         started        38 onedrive.live.com 12->38 42 2 other IPs or domains 12->42 68 Multi AV Scanner detection for dropped file 12->68 70 Injects a PE file into a foreign processes 12->70 20 dialer.exe 12->20         started        40 onedrive.live.com 14->40 44 2 other IPs or domains 14->44 22 DpiScaling.exe 14->22         started        file6 signatures7 process8 dnsIp9 26 newlogs.ddns.net 185.140.53.12, 1111, 49725, 49726 DAVID_CRAIGGG Sweden 16->26 28 192.168.2.1 unknown unknown 16->28 46 Contains functionality to steal Chrome passwords or cookies 16->46 48 Contains functionality to capture and log keystrokes 16->48 50 Contains functionality to inject code into remote processes 16->50 52 2 other signatures 16->52 signatures10
Detection:
remcos
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Link:
https://mwdb.cert.pl/sample/1bf82794b7a65dd38c5f0f78813b1f882a9ff838fa94543e74a3a29a22307032/
Threat name:
Win32.Trojan.Woreflint
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Status:
Malicious
First seen:
2021-08-04 20:56:59 UTC
AV detection:
17 of 46 (36.96%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dp4cpffxuzo5hdc7b54icoy7ravj76by7kkfiptuuorjuirqoaza._file
Verdict:
malicious
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:modiloader family:remcos botnet:happiness persistence rat trojan
Link:
https://tria.ge/reports/210805-526lnceb12/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
newlogs.ddns.net:1111
Unpacked files
SH256 hash:
597747071ebf7fdb79bf46829a6bb39cdef1abe726ed15145695e44d1949db70
MD5 hash:
b240654f16284c8a2cc20b559a95d8f4
SHA1 hash:
9e4616bd14926021a6dffeeec7ba5f1908a659ce
Link:
https://www.unpac.me/results/55e900d7-ef1b-4c72-9cde-13e079ce6504/
SH256 hash:
c873bd224bbf6f82aa169f079016ebdf7690b40a7db5dd8cfefd26404a9d50ca
MD5 hash:
d328f4ade4dd3cd77b3c055c6a7a7937
SHA1 hash:
5d2437502c20efaadd44d27bd5f2f748bdb48512
Link:
https://www.unpac.me/results/55e900d7-ef1b-4c72-9cde-13e079ce6504/
SH256 hash:
1bf82794b7a65dd38c5f0f78813b1f882a9ff838fa94543e74a3a29a22307032
MD5 hash:
d71f2f286d937ce775c3a3ec91293c6f
SHA1 hash:
96d376b679677568cf7209bd6787258a1cc3f78c
Link:
https://www.unpac.me/results/55e900d7-ef1b-4c72-9cde-13e079ce6504/
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/1bf82794b7a65dd38c5f0f78813b1f882a9ff838fa94543e74a3a29a22307032

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
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Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
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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: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 1bf82794b7a65dd38c5f0f78813b1f882a9ff838fa94543e74a3a29a22307032

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/176517/

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