MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b4d235aced111b0b5d006621b593374a4f0943ab92a3e48efa62733104802f7. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b4d235aced111b0b5d006621b593374a4f0943ab92a3e48efa62733104802f7
SHA3-384 hash: 4b593f3d10110b8c0d067d90d0613a4f3a65089e9aec3b775a22522a52fc92eee50b74e758dabf97fd9979b90e0e3084
SHA1 hash: 3ec434c28a981679fbd8d39b1bafd5583f11d934
MD5 hash: 412ccafb3eb6d819c4053eba6b603696
humanhash: monkey-alpha-carbon-virginia
File name:412ccafb3eb6d819c4053eba6b603696
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:920'064 bytes
First seen:2023-02-19 10:51:26 UTC
Last seen:2023-02-19 12:42:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:sy6wyPNgHhNpWLtyVPlYlaU3xExIemQoaQsigAoBpKzT/+wt4gHxCDpLk8/JyAIu:3QlgBmQKlgI0o0KoBwX/jPHgF3tvc
TLSH T10715123237E8AF19DAE84BF54B32500003F9BA6B5655E30C1C9460DE9432F9AEB51B77
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 74f4d4d4f0d0d0cc (5 x AgentTesla, 3 x SnakeKeylogger, 2 x Loki)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
254
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
412ccafb3eb6d819c4053eba6b603696
Verdict:
Malicious activity
Analysis date:
2023-02-19 10:54:48 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/6a96be5c-ce13-448f-ba8e-976e68454958

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/368208/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
Link:
https://www.filescan.io/uploads/63f1ff5401b99ad33e7e74d6/reports/382a9048-fe35-4956-9021-4a06a25634a9/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/1b4d235aced111b0b5d006621b593374a4f0943ab92a3e48efa62733104802f7
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:
Unknown
Link:
https://analyze.intezer.com/analyses/a9919b42-8e18-45e0-be65-2539e7a2553b
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1178796
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Creates autostart registry keys with suspicious names
Delayed program exit found
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 811622 Sample: jIJmCd421M.exe Startdate: 19/02/2023 Architecture: WINDOWS Score: 100 67 Malicious sample detected (through community Yara rule) 2->67 69 Antivirus detection for dropped file 2->69 71 Multi AV Scanner detection for submitted file 2->71 73 4 other signatures 2->73 10 jIJmCd421M.exe 3 2->10         started        14 trs.exe 2 2->14         started        16 trs.exe 2 2->16         started        18 trs.exe 2->18         started        process3 file4 59 C:\Users\user\AppData\...\jIJmCd421M.exe.log, ASCII 10->59 dropped 83 Contains functionalty to change the wallpaper 10->83 85 Contains functionality to steal Chrome passwords or cookies 10->85 87 Contains functionality to steal Firefox passwords or cookies 10->87 89 Delayed program exit found 10->89 20 jIJmCd421M.exe 5 4 10->20         started        91 Injects a PE file into a foreign processes 14->91 24 trs.exe 14->24         started        26 trs.exe 14->26         started        28 trs.exe 14->28         started        30 trs.exe 14->30         started        32 trs.exe 16->32         started        34 trs.exe 16->34         started        36 trs.exe 18->36         started        signatures5 process6 file7 53 C:\Users\user\AppData\Roaming\trs.exe, PE32 20->53 dropped 55 C:\Users\user\...\trs.exe:Zone.Identifier, ASCII 20->55 dropped 57 C:\Users\user\AppData\Local\Temp\ucdp.vbs, data 20->57 dropped 75 Creates autostart registry keys with suspicious names 20->75 38 wscript.exe 1 20->38         started        signatures8 process9 process10 40 cmd.exe 1 38->40         started        process11 42 trs.exe 3 40->42         started        45 conhost.exe 40->45         started        signatures12 77 Multi AV Scanner detection for dropped file 42->77 79 Machine Learning detection for dropped file 42->79 81 Injects a PE file into a foreign processes 42->81 47 trs.exe 2 15 42->47         started        51 trs.exe 42->51         started        process13 dnsIp14 61 craigjonson1.gotdns.ch 194.180.49.19, 2011, 49698 LVLT-10753US Germany 47->61 63 geoplugin.net 178.237.33.50, 49699, 80 ATOM86-ASATOM86NL Netherlands 47->63 65 Installs a global keyboard hook 47->65 signatures15
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1b4d235aced111b0b5d006621b593374a4f0943ab92a3e48efa62733104802f7/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2023-02-16 20:00:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dngsgwwo2ei3bnoqazrbwwjtosspbfb2xevd4shpuyttgecial3q._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:eric-host 2023 persistence rat
Link:
https://tria.ge/reports/230219-mydzlafd42/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
craigjonson1.gotdns.ch:2011
Unpacked files
SH256 hash:
364d2fc5830510f3247130b812fef2271199a5fcff1c56751cc634ba753c179c
MD5 hash:
c10bdc2d5a3a1836139ada750cc2fe5f
SHA1 hash:
e389436eb65ea661b48bd146b58524a60d569b03
Link:
https://www.unpac.me/results/c5f1bcf5-22bc-498c-b127-c89be5596b66/
SH256 hash:
8617cea503c2a3961120a9c503d853bc21d38d1fca7143d6b1ef4f388bc5cec7
MD5 hash:
7f225c69df031bf0560aed3847a1221a
SHA1 hash:
4d5f3ccdb2c6015d2b2a73326c0f32b173af2819
Link:
https://www.unpac.me/results/c5f1bcf5-22bc-498c-b127-c89be5596b66/
SH256 hash:
a3c190413d60ac514112a950a0ddb701b5be4fdfcfa6b79c38e3483383f1abe4
MD5 hash:
1724076487c2e837fecc909dc2e9d0a6
SHA1 hash:
33c1077b9a8504807adaf428ac575f06f0402356
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/c5f1bcf5-22bc-498c-b127-c89be5596b66/
Parent samples :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 hash:
d02f5fae502e484f02ddf39022e1549a6ec8bac09a8a871691db3e5127478838
MD5 hash:
0f67d82879acdb93c37594d9da2a4fb4
SHA1 hash:
2542f94b92406a01319c2eb04ee806cd9ae4c3c7
Link:
https://www.unpac.me/results/c5f1bcf5-22bc-498c-b127-c89be5596b66/
SH256 hash:
c12d2628d984c0b8071e1daa76812d8eae5cd9a18dd99eac444ba00d38977501
MD5 hash:
ec47f2cc8cb2264f192660aa1c81f96d
SHA1 hash:
50b322aa2022e5570911ceb2ca39aeaeca91e540
Link:
https://www.unpac.me/results/c5f1bcf5-22bc-498c-b127-c89be5596b66/
SH256 hash:
1b4d235aced111b0b5d006621b593374a4f0943ab92a3e48efa62733104802f7
MD5 hash:
412ccafb3eb6d819c4053eba6b603696
SHA1 hash:
3ec434c28a981679fbd8d39b1bafd5583f11d934
Link:
https://www.unpac.me/results/c5f1bcf5-22bc-498c-b127-c89be5596b66/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1b4d235aced111b0b5d006621b593374a4f0943ab92a3e48efa62733104802f7

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

RemcosRAT

Executable exe 1b4d235aced111b0b5d006621b593374a4f0943ab92a3e48efa62733104802f7

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2544743/
Cape
Cape
https://www.capesandbox.com/analysis/368208/

Comments


Avatar
zbet commented on 2023-02-19 10:51:29 UTC

url : hxxp://109.206.240.64/EGF.exe