MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88b1766ff9c749387b51b47bde3e387393a01d10133a04c5afb763fd9670926a. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 88b1766ff9c749387b51b47bde3e387393a01d10133a04c5afb763fd9670926a
SHA3-384 hash: 86510722473cb1cc6257eb72e57235dda5ffeaf26d0cc7427f6e9376c7953fd0b258f986941ffb1d2d52020715644dbd
SHA1 hash: 32198d66530781380327dcd1d3cac8dc020b1087
MD5 hash: ab6139f5e23f66bd0c1455019771e266
humanhash: kansas-foxtrot-summer-neptune
File name:Re Подтверждение заказа-5309,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:707'072 bytes
First seen:2021-08-05 10:41:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f1f21c88e9cb261ec581191bb4c538e3 (2 x RemcosRAT, 1 x Formbook, 1 x BitRAT)
ssdeep 12288:cLJ8IaEF3CbhMemzpeVhpEj7c0DFtI9Mnu1:cLJRaElQMePyNtI
Threatray 693 similar samples on MalwareBazaar
TLSH T1BEE46D22F390C137D1212A785D6A8EF9AA6CFD14581820CBFEF57BDC6BB2285342554F
dhash icon fce5d39a543434c4 (3 x RemcosRAT, 2 x Formbook, 1 x BitRAT)
Reporter lowmal3
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Re Подтверждение заказа-5309,pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-05 10:42:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b7fc2b65-88f5-433b-a81b-1ca1f27f7fce

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware1.28528.20709.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching the default Windows debugger (dwwin.exe)
Sending a UDP request
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:
Guildma
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/97611a95-85f6-46db-9d00-7c57c55e44cd
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/827744
Signature
Allocates memory in foreign processes
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
Machine Learning detection for dropped file
Machine Learning detection for sample
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: 460177 Sample: 5309,pdf.exe Startdate: 05/08/2021 Architecture: WINDOWS Score: 100 25 blessedudoka.ddns.net 2->25 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 9 other signatures 2->51 7 Mtterqu.exe 16 2->7         started        11 5309,pdf.exe 1 19 2->11         started        14 Mtterqu.exe 15 2->14         started        signatures3 process4 dnsIp5 31 onedrive.live.com 7->31 41 2 other IPs or domains 7->41 53 Multi AV Scanner detection for dropped file 7->53 55 Machine Learning detection for dropped file 7->55 57 Writes to foreign memory regions 7->57 16 ieinstal.exe 7->16         started        33 onedrive.live.com 11->33 35 dm-files.fe.1drv.com 11->35 37 3jpgyg.dm.files.1drv.com 11->37 23 C:\Users\Public\Libraries\...\Mtterqu.exe, PE32 11->23 dropped 59 Creates a thread in another existing process (thread injection) 11->59 61 Injects a PE file into a foreign processes 11->61 18 ieinstal.exe 2 11->18         started        39 onedrive.live.com 14->39 43 2 other IPs or domains 14->43 63 Allocates memory in foreign processes 14->63 21 logagent.exe 14->21         started        file6 signatures7 process8 dnsIp9 27 blessedudoka.ddns.net 91.193.75.135, 4753, 49763, 49767 DAVID_CRAIGGG Serbia 18->27 29 192.168.2.1 unknown unknown 18->29
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/88b1766ff9c749387b51b47bde3e387393a01d10133a04c5afb763fd9670926a/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-08-05 09:33:28 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rcyxm37zy5etq62rwr554pryooj2ahiqcm5ajrnpw5r73ftqsjva._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
051bfc878cbfc9748f59edcb04b8d8cfdc75b566e403236385c51374b7afd393
RemcosRAT
0b10f51931ebadefe515c5db78b89095df9ff47ad1bd042eace9d47047c5a09d
RemcosRAT
4c0c348d5fe6d35084087f5df83a5d5f15aa75a30b1dc37204f701383a7685eb
RemcosRAT
5dd2f8347b2c2a334231ec2167d38514868ebbeede5311ace774c9a4b5375fff
RemcosRAT
7863e8d94d7f595345e13ed45b8600c86d3a8bea389ca25950dfae8a9d94195a
RemcosRAT
9619dd90b103cea6ed31462e70f2419900b0f943295a7b773a0a77504ade15ce
RemcosRAT
a2bbd3bc733fb3addfb364d282edcb686292889b5850fa3c913ddc287745ed4e
RemcosRAT
dfca1bf3a2bc630e60ee036b0fd5be55b2f2b44e7dc8d2005b86d763bfc7c8ac
RemcosRAT
f74e5e77ee6f64654fb912f76a8b5095d783bf3af22dea186ef7b5730c4a868e
RemcosRAT
+ 683 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/210805-fdlw7sxwwn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
c873bd224bbf6f82aa169f079016ebdf7690b40a7db5dd8cfefd26404a9d50ca
MD5 hash:
d328f4ade4dd3cd77b3c055c6a7a7937
SHA1 hash:
5d2437502c20efaadd44d27bd5f2f748bdb48512
Link:
https://www.unpac.me/results/e506c2ba-3850-45ba-a073-70f207892d0e/
SH256 hash:
88b1766ff9c749387b51b47bde3e387393a01d10133a04c5afb763fd9670926a
MD5 hash:
ab6139f5e23f66bd0c1455019771e266
SHA1 hash:
32198d66530781380327dcd1d3cac8dc020b1087
Link:
https://www.unpac.me/results/e506c2ba-3850-45ba-a073-70f207892d0e/
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/88b1766ff9c749387b51b47bde3e387393a01d10133a04c5afb763fd9670926a

File information

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

Malspam

RemcosRAT

Executable exe 88b1766ff9c749387b51b47bde3e387393a01d10133a04c5afb763fd9670926a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments