MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e12e13ba7f27bcf1f0e5d6bf86304f650e1204b85403e9c9c3ff4b99d843604c. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
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SHA256 hash: e12e13ba7f27bcf1f0e5d6bf86304f650e1204b85403e9c9c3ff4b99d843604c
SHA3-384 hash: 2b2da3ed6ddbd978353832ef29204a7ca1cd766f8317ea4804c3280ddc491961525ef977ca165f0feb4f567218c0374d
SHA1 hash: b078e2b173bd4ed381beab3338ec0806f6d67c77
MD5 hash: 239898c682bcb7091aaa57cd6d70f736
humanhash: kitten-timing-sweet-happy
File name:Confirmation transfer Copy Ref# 9922.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'030'656 bytes
First seen:2024-01-24 07:50:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:AmGgjjN1Y/3T0b6bejfP4R8vAOhSXm99Q:r5m/rcP+0G
TLSH T14E251290E2582B9AD93683FD4961A02027F7BF9B8479E78A1DF630D715B73C32246D07
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.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 f6f9b5e6c486b3c9 (6 x Formbook, 6 x RemcosRAT, 4 x AgentTesla)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
320
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
e12e13ba7f27bcf1f0e5d6bf86304f650e1204b85403e9c9c3ff4b99d843604c.exe
Verdict:
Malicious activity
Analysis date:
2024-01-24 07:57:12 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/10621cff-886e-4b05-8e9f-3d6a81356ab2

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/472638/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Creating a file
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65b0c1671dcf0cd544717537/reports/cb4139ac-e38e-424b-951b-4d79c2015b68/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/e12e13ba7f27bcf1f0e5d6bf86304f650e1204b85403e9c9c3ff4b99d843604c
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0867b6db-8162-4733-9836-d62a42c6900e
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1380071
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
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
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
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1380071 Sample: Confirmation_transfer_Copy_... Startdate: 24/01/2024 Architecture: WINDOWS Score: 100 72 huncho.ddns.net 2->72 76 Found malware configuration 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 Antivirus detection for URL or domain 2->80 84 10 other signatures 2->84 10 Confirmation_transfer_Copy_Ref#_9922.exe 7 2->10         started        14 tvuCPsaQG.exe 5 2->14         started        16 remcos.exe 2->16         started        18 2 other processes 2->18 signatures3 82 Uses dynamic DNS services 72->82 process4 file5 68 C:\Users\user\AppData\Roaming\tvuCPsaQG.exe, PE32 10->68 dropped 70 C:\Users\user\AppData\Local\...\tmpC33C.tmp, XML 10->70 dropped 96 Contains functionality to bypass UAC (CMSTPLUA) 10->96 98 Contains functionalty to change the wallpaper 10->98 100 Contains functionality to steal Chrome passwords or cookies 10->100 108 5 other signatures 10->108 20 Confirmation_transfer_Copy_Ref#_9922.exe 2 4 10->20         started        24 powershell.exe 23 10->24         started        26 schtasks.exe 1 10->26         started        28 Confirmation_transfer_Copy_Ref#_9922.exe 10->28         started        102 Multi AV Scanner detection for dropped file 14->102 104 Machine Learning detection for dropped file 14->104 106 Injects a PE file into a foreign processes 14->106 30 schtasks.exe 14->30         started        32 tvuCPsaQG.exe 14->32         started        34 schtasks.exe 16->34         started        36 remcos.exe 16->36         started        38 4 other processes 18->38 signatures6 process7 file8 66 C:\ProgramData\Remcos\remcos.exe, PE32 20->66 dropped 86 Creates autostart registry keys with suspicious names 20->86 40 remcos.exe 5 20->40         started        43 conhost.exe 24->43         started        45 conhost.exe 26->45         started        47 conhost.exe 30->47         started        49 conhost.exe 34->49         started        51 conhost.exe 38->51         started        53 conhost.exe 38->53         started        signatures9 process10 signatures11 88 Multi AV Scanner detection for dropped file 40->88 90 Machine Learning detection for dropped file 40->90 92 Adds a directory exclusion to Windows Defender 40->92 94 Injects a PE file into a foreign processes 40->94 55 remcos.exe 40->55         started        58 schtasks.exe 1 40->58         started        60 powershell.exe 40->60         started        process12 dnsIp13 74 huncho.ddns.net 105.112.221.36, 22881 VNL1-ASNG Nigeria 55->74 62 conhost.exe 58->62         started        64 conhost.exe 60->64         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e12e13ba7f27bcf1f0e5d6bf86304f650e1204b85403e9c9c3ff4b99d843604c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e12e13ba7f27bcf1f0e5d6bf86304f650e1204b85403e9c9c3ff4b99d843604c/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-01-18 10:06:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4exbhot7e66pd4hf227ymmcpmuhbebfykqb6tsod75fztwcdmbga._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost-ddns persistence rat
Link:
https://tria.ge/reports/240124-jptrxadda4/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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:
huncho.ddns.net:22881
Unpacked files
SH256 hash:
0ed191d9a2eba32f1c0b825f14ad30a0d358b9f6f651dd9f98b9ecd4f22590dd
MD5 hash:
0af478f25c6678ca64fcb5e646398163
SHA1 hash:
e4d058a11c49677268e51c5e574571df78ddd5b7
Link:
https://www.unpac.me/results/cd9cafcf-7ff8-425b-aaec-e12418b7eb5d/
SH256 hash:
60f10673229d00fb90942c59beb8add97c4d09cbeac56ce2100d7e41878c9d64
MD5 hash:
91d2b62fe866d13eea4aae93eb6b2a35
SHA1 hash:
af46ac739afc1653f351a9eb56fe0eb465f47ce4
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/cd9cafcf-7ff8-425b-aaec-e12418b7eb5d/
Parent samples :
e12e13ba7f27bcf1f0e5d6bf86304f650e1204b85403e9c9c3ff4b99d843604c
2acdcad4382ddd4a80e28d2cf0f623cd42ddb15023b971d2ceabcbc5c4cf73d5
SH256 hash:
ceed3294e1799f5c4c6a140fedb9661439ea0b836f2e41da362bd02116e381b1
MD5 hash:
64d027f0b7c1c3c261e08a2713a689d4
SHA1 hash:
61a4d0eaafb13c73b28c62d344681cf77d6f1b24
Link:
https://www.unpac.me/results/cd9cafcf-7ff8-425b-aaec-e12418b7eb5d/
SH256 hash:
2e28166cfd7ca169f653563a6b9c5acbf0116492cf29b270400609f8ceab2d4e
MD5 hash:
4b962b9f0d54ac21c772429a04168e94
SHA1 hash:
3b5f4f0e9607de3a080d0383acf2bc413d65ef54
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/cd9cafcf-7ff8-425b-aaec-e12418b7eb5d/
Parent samples :
560599c1881e83810ac62f086df752008a76f1a955482404a233c3bef95ce2bb
299fa2601344081d80079815643aad1bc5ac812031048754be53a3917308af1e
e12e13ba7f27bcf1f0e5d6bf86304f650e1204b85403e9c9c3ff4b99d843604c
SH256 hash:
e12e13ba7f27bcf1f0e5d6bf86304f650e1204b85403e9c9c3ff4b99d843604c
MD5 hash:
239898c682bcb7091aaa57cd6d70f736
SHA1 hash:
b078e2b173bd4ed381beab3338ec0806f6d67c77
Link:
https://www.unpac.me/results/cd9cafcf-7ff8-425b-aaec-e12418b7eb5d/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e12e13ba7f27/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/e12e13ba7f27bcf1f0e5d6bf86304f650e1204b85403e9c9c3ff4b99d843604c

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
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.

Malspam

RemcosRAT

Executable exe e12e13ba7f27bcf1f0e5d6bf86304f650e1204b85403e9c9c3ff4b99d843604c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/472638/

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