MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a423add5932cec6252ee33d82957db3612e22b2a71d6a1635ddf9d1c8a82e0e. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: 9a423add5932cec6252ee33d82957db3612e22b2a71d6a1635ddf9d1c8a82e0e
SHA3-384 hash: ae24b0649617637f5c3f2646cf421b020a70407d1af1ac59fa39e339e477a584379c970c9462c0c883e2a0283aa6236e
SHA1 hash: 43f946f506219411313f39ae07c6e04358436892
MD5 hash: 3eb9e5e04de7a1caa676f3f0091e2a15
humanhash: helium-aspen-bluebird-magnesium
File name:QtAVO6zW6LwLzJ0.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'140'736 bytes
First seen:2022-08-12 13:53:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:xD2iNC8Fhyq+rqEEJGoY35lPynM8aTdAMGf+VgZM5I/qxcjsZDMtBeDbzWHN+8GS:t1c8FuzRoiyn9n+Vg+5qNgFzWHxQF+
TLSH T1B4355C7C326174CED832F4768A972CA895D06DE6CE0F7D13B093316A664C4A78FDD1A2
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 64e4ccdcb2c2d4cc (9 x Formbook, 4 x BluStealer, 3 x RemcosRAT)
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
400
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
QtAVO6zW6LwLzJ0.exe
Verdict:
Malicious activity
Analysis date:
2022-08-12 13:57:10 UTC
Tags:
rat remcos trojan
Link:
https://app.any.run/tasks/bbaa96da-bd13-4a9b-9e89-a06f3f426613

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/298239/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62f65bb8080024921b6de2b1/reports/8db90eac-7743-44ad-af3a-9392054937ad/overview
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/8047b223-5ad8-4983-bd42-2aca2e75841f
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1050603
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Disables UAC (registry)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 683113 Sample: QtAVO6zW6LwLzJ0.exe Startdate: 12/08/2022 Architecture: WINDOWS Score: 100 78 Snort IDS alert for network traffic 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 Antivirus detection for URL or domain 2->82 84 5 other signatures 2->84 9 QtAVO6zW6LwLzJ0.exe 3 2->9         started        process3 file4 62 C:\Users\user\...\QtAVO6zW6LwLzJ0.exe.log, ASCII 9->62 dropped 88 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 9->88 90 Injects a PE file into a foreign processes 9->90 13 QtAVO6zW6LwLzJ0.exe 3 14 9->13         started        signatures5 process6 dnsIp7 64 185.222.57.147, 1989, 49695 ROOTLAYERNETNL Netherlands 13->64 66 geoplugin.net 178.237.33.50, 49700, 80 ATOM86-ASATOM86NL Netherlands 13->66 92 Writes to foreign memory regions 13->92 94 Allocates memory in foreign processes 13->94 96 Injects a PE file into a foreign processes 13->96 17 cmd.exe 1 13->17         started        19 svchost.exe 12 13->19         started        21 svchost.exe 13->21         started        23 2 other processes 13->23 signatures8 process9 process10 25 reg.exe 1 17->25         started        28 conhost.exe 17->28         started        30 chrome.exe 13 206 19->30         started        33 chrome.exe 7 19->33         started        35 chrome.exe 21->35         started        37 chrome.exe 21->37         started        39 chrome.exe 23->39         started        41 chrome.exe 23->41         started        43 2 other processes 23->43 dnsIp11 86 Disables UAC (registry) 25->86 74 192.168.2.1 unknown unknown 30->74 76 239.255.255.250 unknown Reserved 30->76 45 chrome.exe 25 30->45         started        48 chrome.exe 33->48         started        50 chrome.exe 35->50         started        52 chrome.exe 37->52         started        54 chrome.exe 39->54         started        56 chrome.exe 41->56         started        58 chrome.exe 43->58         started        60 chrome.exe 43->60         started        signatures12 process13 dnsIp14 68 mdec.nelreports.net 45->68 70 part-0032.t-0009.t-msedge.net 13.107.246.60, 443, 49719, 49720 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 45->70 72 7 other IPs or domains 45->72
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9a423add5932cec6252ee33d82957db3612e22b2a71d6a1635ddf9d1c8a82e0e/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-12 13:52:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tjbdvxkzglhmmjjo4m6yffl5wnqs4ivsu4owufrv3x45dsfifyha._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost brand:microsoft evasion persistence phishing rat trojan
Link:
https://tria.ge/reports/220812-q7jg8agbh9/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Detected potential entity reuse from brand microsoft.
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Remcos
UAC bypass
Malware Config
C2 Extraction:
185.222.57.147:1989
Unpacked files
SH256 hash:
5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6
MD5 hash:
01800f6b045def8d90c649842f56d752
SHA1 hash:
f8434a4636d0772d01aac44bb3f9753a41f01d34
Link:
https://www.unpac.me/results/e839eec0-cd28-4454-85b5-f2f26ca2a2bc/
SH256 hash:
02f99b39a2f7d47e721ffa8b5d1a716876f8ef6ecbc1c109b89f02344ca8b1e0
MD5 hash:
46168a275b773096f91a1e48589831c4
SHA1 hash:
af83c73ed0b4889ac70c0afa2002389e8add6752
Link:
https://www.unpac.me/results/e839eec0-cd28-4454-85b5-f2f26ca2a2bc/
SH256 hash:
0fe2bd14a2e035c6c74ebec65799402a708599ec7881e59dbdcc4b0c44564240
MD5 hash:
8d163425dc07f8de030a6ab8668afb1b
SHA1 hash:
0f52a35c36ba9bcebbf4604210304f82b0a75dc5
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/e839eec0-cd28-4454-85b5-f2f26ca2a2bc/
Parent samples :
9a423add5932cec6252ee33d82957db3612e22b2a71d6a1635ddf9d1c8a82e0e
eda9325bc3bee9fb025f7e3d5764e83da74763c1885218901fa1d57c6c7f47a8
SH256 hash:
9a423add5932cec6252ee33d82957db3612e22b2a71d6a1635ddf9d1c8a82e0e
MD5 hash:
3eb9e5e04de7a1caa676f3f0091e2a15
SHA1 hash:
43f946f506219411313f39ae07c6e04358436892
Link:
https://www.unpac.me/results/e839eec0-cd28-4454-85b5-f2f26ca2a2bc/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9a423add5932/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/9a423add5932cec6252ee33d82957db3612e22b2a71d6a1635ddf9d1c8a82e0e

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/298239/

Comments