MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ed57a7a3f8709be19e7451aa4fb7b7af9586df41f9d63aefc4b30b8b7a5de90a. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ed57a7a3f8709be19e7451aa4fb7b7af9586df41f9d63aefc4b30b8b7a5de90a
SHA3-384 hash: 7fd982c7c4e4be15c8109f381de5907cc6b8a98187486a8559957353139f37e45bba4717e1ec16f3ee8f59504bd94cad
SHA1 hash: b859f30cabf30080d64fbe78f7b77ad605ada1c0
MD5 hash: 7007a2634d16ee5c907b82eede9c569a
humanhash: four-washington-lemon-diet
File name:7007a2634d16ee5c907b82eede9c569a
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:762'880 bytes
First seen:2021-12-22 02:51:05 UTC
Last seen:2021-12-22 05:13:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:B43bcqcm8J/tD+bf9PXt78g0aUIrp+2F9h2Ek5ALLfMW8FZNJxg7U98P:MbcDmE/xEVf0aUoBX25sfRyJwZP
Threatray 893 similar samples on MalwareBazaar
TLSH T1A2F4121432F89F73D87E53F908B190A0173237A66412E74C9DCA21DBAA32F459B94F97
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7007a2634d16ee5c907b82eede9c569a
Verdict:
Malicious activity
Analysis date:
2021-12-22 02:54:41 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/a7a6e281-1d4f-4632-9d8b-cc56e69ea636

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/215727/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1140.2456.5173.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Running batch commands
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61c292d44ab5c44cbf4c305a/reports/7ec74ce9-6b70-44e2-9e9e-c57a1f949dee/overview
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:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a82414bb-a10c-45b3-baf6-63f016b94365
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/911345
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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
Detected Remcos RAT
Detected unpacking (creates a PE file in dynamic memory)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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: Suspect Svchost Activity
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Suspicious Svchost Process
Sigma detected: WScript or CScript Dropper
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 dnsIp2 2 Behavior Graph ID: 543819 Sample: ujlASegYRS Startdate: 22/12/2021 Architecture: WINDOWS Score: 100 59 github.com 2->59 61 avatars.githubusercontent.com 2->61 75 Malicious sample detected (through community Yara rule) 2->75 77 Multi AV Scanner detection for submitted file 2->77 79 Detected Remcos RAT 2->79 81 9 other signatures 2->81 14 ujlASegYRS.exe 3 2->14         started        18 winn.exe 2 2->18         started        signatures3 process4 file5 57 C:\Users\user\AppData\...\ujlASegYRS.exe.log, ASCII 14->57 dropped 99 Contains functionality to steal Chrome passwords or cookies 14->99 101 Contains functionality to inject code into remote processes 14->101 103 Contains functionality to steal Firefox passwords or cookies 14->103 105 Delayed program exit found 14->105 20 ujlASegYRS.exe 4 4 14->20         started        107 Injects a PE file into a foreign processes 18->107 23 winn.exe 18->23         started        signatures6 process7 file8 49 C:\Users\user\AppData\Roaming\winn.exe, PE32 20->49 dropped 51 C:\Users\user\...\winn.exe:Zone.Identifier, ASCII 20->51 dropped 53 C:\Users\user\AppData\Local\...\install.vbs, data 20->53 dropped 25 wscript.exe 1 20->25         started        process9 process10 27 cmd.exe 1 25->27         started        process11 29 winn.exe 3 27->29         started        33 conhost.exe 27->33         started        file12 55 C:\Users\user\AppData\Local\...\winn.exe.log, ASCII 29->55 dropped 91 Multi AV Scanner detection for dropped file 29->91 93 Detected unpacking (creates a PE file in dynamic memory) 29->93 95 Contains functionality to steal Chrome passwords or cookies 29->95 97 3 other signatures 29->97 35 winn.exe 4 1 29->35         started        39 winn.exe 29->39         started        signatures13 process14 dnsIp15 63 jamaru1444.myftp.biz 2.58.149.52, 2019 GBTCLOUDUS Netherlands 35->63 83 Writes to foreign memory regions 35->83 85 Allocates memory in foreign processes 35->85 87 Installs a global keyboard hook 35->87 89 Injects a PE file into a foreign processes 35->89 41 svchost.exe 35->41         started        signatures16 process17 process18 43 chrome.exe 41->43         started        dnsIp19 65 192.168.2.1 unknown unknown 43->65 67 239.255.255.250 unknown Reserved 43->67 46 chrome.exe 43->46         started        process20 dnsIp21 69 googlehosted.l.googleusercontent.com 172.217.168.1, 443, 49841 GOOGLEUS United States 46->69 71 accounts.google.com 172.217.168.45, 443, 49772 GOOGLEUS United States 46->71 73 8 other IPs or domains 46->73
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ed57a7a3f8709be19e7451aa4fb7b7af9586df41f9d63aefc4b30b8b7a5de90a/
Threat name:
ByteCode-MSIL.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2021-12-22 02:52:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5vl2pi7yocn6dhtukgve7n5xv6kynx2b7hldv36ewmfyw6s55efa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
18f51c19c22914e634d9cfcd86018e676e91d1c4a9293c247a3c9da84dce3f60
RemcosRAT
4a843bea699f8a40ae3b92c04e01139d61880ce1c519e369a966e814593d1d81
RemcosRAT
57e117773ebe7caaac7d1db9759f5c8313d15db896f7b736459c65164770a5f5
RemcosRAT
7a25e7868a967540a3dc4c8fa89f07444c4b714c4d2f3add235a7f0c33099c57
RemcosRAT
af171290cc03d72c2c1272b039193cb71fdec5b612330f832dad2220753cb406
RemcosRAT
f30ea3e5ea06e9cb3ea8e6d219f3857f8e0d9bd1664476b9b5665aed0a167bda
RemcosRAT
+ 883 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:godsgrace_2022 brand:microsoft persistence phishing rat
Link:
https://tria.ge/reports/211222-dcq8csehc2/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Detected potential entity reuse from brand microsoft.
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
jamaru1444.myftp.biz:2019
Unpacked files
SH256 hash:
5ec471fdd89d108f02713ca3c9cdc4d8993d6a01ef74c84e7007316e9337457d
MD5 hash:
db941e0dfacb41670af9d364327ca25b
SHA1 hash:
7b5e55762b4f69e98118e6bedb83e8f9b21f137f
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/254a9cd9-66bf-4e81-945c-bc32edd67462/
Parent samples :
e05a3ed46d18c39464fd1e47bcea0055e56bd2788eeda09cbd8f5d07fea0e236
cf0e8fb30fec443d523eb8c666a541a4695ad286030f5faa5dfc5760df98962d
08ce43a6cd4945d7c2d6031b465b27103ffb213bff99c5c83a31011b6c89bb13
ed57a7a3f8709be19e7451aa4fb7b7af9586df41f9d63aefc4b30b8b7a5de90a
4684a4b4906fcdcb11065f527c784d3fd34b319214d01453dc3867f00704a913
3e05e9f85beed0027d616a6932ec057f15c4c8499e8a6ee085f8199a61aedec3
SH256 hash:
88fc9b8f79b74e21fb4f115961964da22f8af5727ea8794caa54ead8fd825134
MD5 hash:
b9ea8eae76a5c68b665b32a72acdd294
SHA1 hash:
65cee07ae6aa2d7312825fc2bc99171f62944840
Link:
https://www.unpac.me/results/254a9cd9-66bf-4e81-945c-bc32edd67462/
SH256 hash:
55535d7416e19740ddca81496bcfb9ea7f4ec52735e01d43880f6359f92b63be
MD5 hash:
42c16475606875decc737cb31dfb2cbb
SHA1 hash:
28db67a9058bbebedbd28819bce871cdeb62f968
Link:
https://www.unpac.me/results/254a9cd9-66bf-4e81-945c-bc32edd67462/
SH256 hash:
ed57a7a3f8709be19e7451aa4fb7b7af9586df41f9d63aefc4b30b8b7a5de90a
MD5 hash:
7007a2634d16ee5c907b82eede9c569a
SHA1 hash:
b859f30cabf30080d64fbe78f7b77ad605ada1c0
Link:
https://www.unpac.me/results/254a9cd9-66bf-4e81-945c-bc32edd67462/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/ed57a7a3f870/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/ed57a7a3f8709be19e7451aa4fb7b7af9586df41f9d63aefc4b30b8b7a5de90a

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
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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 ed57a7a3f8709be19e7451aa4fb7b7af9586df41f9d63aefc4b30b8b7a5de90a

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1909245/
Cape
Cape
https://www.capesandbox.com/analysis/215727/

Comments


Avatar
zbet commented on 2021-12-22 02:51:06 UTC

url : hxxp://mikron33.ru/AOP.exe