MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7725afd42bf7d167afb294be1018d93327a4caa3fccbe2758a6a00d35e60ad58. 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 8 File information Comments
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SHA256 hash: 7725afd42bf7d167afb294be1018d93327a4caa3fccbe2758a6a00d35e60ad58
SHA3-384 hash: 5d657d238259a798a784d3d484655ede8fb5e89119c5d56ec1b7eab9716bc0b0907dbffba960ce9d066bc53a31471234
SHA1 hash: 2e184860933b7293c1084cedf9068e4b9e25542e
MD5 hash: b2747d25c078a48df74d8d4802eeb082
humanhash: fifteen-stream-florida-wisconsin
File name:b2747d25c078a48df74d8d4802eeb082.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:548'864 bytes
First seen:2022-05-28 15:16:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:bgH22qla5w/yXbx/XUw8LDPMz8N8Ef3UY43uFhOnrEyYvF9UR/:bgH0MW/Ibx/EdfnNzUYrr9tY/
TLSH T14CC40269AB494608D82C177A8CF7A3207F02A7A245FFD35F5D8714AE9807FC92ED11D8
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 a52365e395923199 (1 x RemcosRAT, 1 x CoinMiner.XMRig)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
354
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
arkei
Create hunting rule
ID:
1
File name:
c3f533c47a2f995cd4b5d16653698609.exe
Verdict:
Malicious activity
Analysis date:
2022-05-28 14:23:06 UTC
Tags:
loader arkei stealer trojan vidar rat azorult
Link:
https://app.any.run/tasks/bce4a50c-7b91-42ec-9e03-e5c2e0612cf7

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/275159/
Detection(s):
Win.Trojan.EmbeddedDotNetBinary-9940868-0
Create hunting rule

Win.Trojan.EmbeddedReversedDLL-9940922-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Creating a file
DNS request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62923d09945ebb7eb18003bd/reports/c54e751f-5914-4606-9a49-e5062aef18bb/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/236d5149-bd54-400b-8212-c0a585cd8daa
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1003160
Signature
.NET source code contains potential unpacker
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
Delayed program exit found
Encrypted powershell cmdline option found
Found malware configuration
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
Potential dropper URLs found in powershell memory
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 635674 Sample: ZzoNsdoVBG.exe Startdate: 29/05/2022 Architecture: WINDOWS Score: 100 60 tuekisaa.ac.ug 2->60 62 parthaha.ac.ug 2->62 64 2 other IPs or domains 2->64 74 Found malware configuration 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 Multi AV Scanner detection for submitted file 2->78 80 5 other signatures 2->80 8 ZzoNsdoVBG.exe 1 4 2->8         started        12 rcholaza.exe 2 2->12         started        14 rcholaza.exe 2->14         started        signatures3 process4 file5 48 C:\Users\user\AppData\Roaming\rcholaza.exe, PE32 8->48 dropped 50 C:\Users\...\rcholaza.exe:Zone.Identifier, ASCII 8->50 dropped 52 C:\Users\user\AppData\...\ZzoNsdoVBG.exe.log, ASCII 8->52 dropped 82 Encrypted powershell cmdline option found 8->82 84 Writes to foreign memory regions 8->84 86 Allocates memory in foreign processes 8->86 16 MSBuild.exe 2 3 8->16         started        20 cmd.exe 1 8->20         started        22 powershell.exe 23 8->22         started        88 Multi AV Scanner detection for dropped file 12->88 90 Machine Learning detection for dropped file 12->90 92 Injects a PE file into a foreign processes 12->92 24 cmd.exe 12->24         started        26 MSBuild.exe 12->26         started        28 MSBuild.exe 12->28         started        30 MSBuild.exe 12->30         started        32 cmd.exe 14->32         started        signatures6 process7 dnsIp8 54 nikahuve.ac.ug 194.5.98.107, 49756, 49762, 49763 DANILENKODE Netherlands 16->54 56 tuekisaa.ac.ug 16->56 58 2 other IPs or domains 16->58 66 Contains functionality to steal Chrome passwords or cookies 16->66 68 Contains functionality to inject code into remote processes 16->68 70 Contains functionality to steal Firefox passwords or cookies 16->70 72 2 other signatures 16->72 34 conhost.exe 20->34         started        36 timeout.exe 1 20->36         started        38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        42 timeout.exe 24->42         started        44 conhost.exe 32->44         started        46 timeout.exe 32->46         started        signatures9 process10
Gathering data
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2022-05-28 15:17:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=o4s27vbl67iwpl5sss7baggzgmt2jsvd7tf6e5mkniangxtavvma._file
Verdict:
malicious
Label(s):
remcos
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Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:05282022 persistence rat
Link:
https://tria.ge/reports/220528-sn1y9shabm/
Behaviour
Delays execution with timeout.exe
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
Remcos
Malware Config
C2 Extraction:
nikahuve.ac.ug:6968
kalskala.ac.ug:6968
tuekisaa.ac.ug:6968
parthaha.ac.ug:6968
Unpacked files
SH256 hash:
9f01d9f2ed07e630ec078efa5d760762c3c8ad3b06e9e8a9062a37d63d57b026
MD5 hash:
9fbb8cec55b2115c00c0ba386c37ce62
SHA1 hash:
e2378a1c22c35e40fd1c3e19066de4e33b50f24a
Link:
https://www.unpac.me/results/8e744e9e-6b6c-47eb-bbba-4b4af04f105d/
SH256 hash:
6ce4c941fb165ef1e30b4bed4f0de33aacc53df6941f4ed9fd5598bc8e0f7f7b
MD5 hash:
e6a78e543ad6101db2098860ad72059a
SHA1 hash:
7672e741bbb1592f0c9fc5310221bcf7e2cbb387
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/8e744e9e-6b6c-47eb-bbba-4b4af04f105d/
SH256 hash:
f38e16469546adf6abd61490120d67c9977bda01dda1a450b3f1ee25ac702769
MD5 hash:
d4640ed4aa7177f1e5d4463daebe7c8a
SHA1 hash:
748ffed4f46a4deb10cb336812e93156a5800f66
Link:
https://www.unpac.me/results/8e744e9e-6b6c-47eb-bbba-4b4af04f105d/
SH256 hash:
97c25a2354c55cf17549dfd7d361e78e162a3235582331b80dadf38cc5629724
MD5 hash:
726428ba37caf2e1df43f95fc005307d
SHA1 hash:
59048957336ab24366fb9123d4e3e0338143a78a
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/8e744e9e-6b6c-47eb-bbba-4b4af04f105d/
SH256 hash:
7725afd42bf7d167afb294be1018d93327a4caa3fccbe2758a6a00d35e60ad58
MD5 hash:
b2747d25c078a48df74d8d4802eeb082
SHA1 hash:
2e184860933b7293c1084cedf9068e4b9e25542e
Link:
https://www.unpac.me/results/8e744e9e-6b6c-47eb-bbba-4b4af04f105d/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7725afd42bf7/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/7725afd42bf7d167afb294be1018d93327a4caa3fccbe2758a6a00d35e60ad58

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Create hunting rule
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

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

Web download

RemcosRAT

Executable exe 7725afd42bf7d167afb294be1018d93327a4caa3fccbe2758a6a00d35e60ad58

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/275159/
  
URLhaus
https://urlhaus.abuse.ch/url/2215590/
  
Delivery method
Distributed via web download

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