MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23d4b811a2e3f349ac70d49dafc192bd830776257f0ea82fce704f9db6e617c2. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 23d4b811a2e3f349ac70d49dafc192bd830776257f0ea82fce704f9db6e617c2
SHA3-384 hash: 1945dd7ff125430e8aab2c29d3832b64f4050ad65c7367f32876b9889c41bab88814102a51a02b0ebf54a353805328f3
SHA1 hash: 52f159eaba5d0ac149045f45d6f427216c6be330
MD5 hash: ac7e862a8d65c0685d84680af5905ac8
humanhash: orange-steak-carolina-utah
File name:WAYBILL.EXE
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'025'536 bytes
First seen:2021-10-12 15:52:04 UTC
Last seen:2021-10-12 18:11:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 138bb79e60dfba5fe7eff385ab7df367 (6 x RemcosRAT, 2 x Formbook)
ssdeep 12288:Up+vmyY9beSkj77NADGFvGq+EOvLkOUvIVPJvC+0yRK2urqoXkGsdr64lprmi:UMO3g13Wih+kOzPJp/Fo9KrRpm
Threatray 730 similar samples on MalwareBazaar
TLSH T1DC259E3AF9F66476C6371AB57C5B931CAC36FE001468A5072DF56C0CDEB5781383A28A
File icon (PE):PE icon
dhash icon c4f0d0d4d0d4d4d4 (13 x RemcosRAT, 7 x Formbook, 1 x AveMariaRAT)
Reporter cocaman
Tags:DHL exe RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
WAYBILL.EXE
Verdict:
Malicious activity
Analysis date:
2021-10-12 16:01:09 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/9d1f5906-4d69-4acc-8e72-e3a84d25a8a3

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/196979/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware2.4787.11988.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
keylogger
Link:
https://www.filescan.io/uploads/6165af611c2d58ba74035b2c/reports/dd37b01c-8c4c-43e9-999e-59eb9be8bf51/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:
Dbatloader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bfae0965-f437-41f1-8c7f-04ae1d9f5ee9
Result
Threat name:
Remcos DBatLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/868838
Signature
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
Creates a thread in another existing process (thread injection)
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/23d4b811a2e3f349ac70d49dafc192bd830776257f0ea82fce704f9db6e617c2/
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2021-10-12 15:53:07 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=epklqenc4pzutldq2so27qmsxwbqo5rfp4hkql6oobhz3nxgc7ba._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
026668d9855f0c4aac1cb86f163e6e28569a5a4d53d0bde93ac9880a90a8225c
RemcosRAT
13e6341cacb27fdd36b2ce19395dbb02947f0c917b6fd10447f1d6381d51b7d4
RemcosRAT
2eb44403d1de2a792569f63907f746809e3d4e35fccf689c2e637f77df79254c
RemcosRAT
7a30ee147983ae5664dab25082f5973b2ca00d35e770b5182ed4517ffb91f5ab
RemcosRAT
7aa3e6c93ac645c2b56f93eb9fe7de45a7fb9958d491190eb6d06198a65e6ca7
RemcosRAT
7eb677c1c5c60d34da90cab2b4ea019c500b5c3db6964cc14849dbe2f9f5fa30
RemcosRAT
91e8ea3e431c0ad9faf6dfe01eb29e4834940054379deb8b657d9cbe23e91682
RemcosRAT
a737c6bf1fe3e63d6d187d114d887c6c1e722579fc9caab72ce4451564e165f6
RemcosRAT
b56242ce9875402fca36f6d831072462bcf7b0996c2a98d048455459485ade1d
RemcosRAT
e6930000e13aa3deafe16f78fcfca8e6276e18ba6a252b8045dfaf570f044328
RemcosRAT
+ 720 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/211012-tbm3bacegp/
Behaviour
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
freelife.hopto.org:2404
freelife1.hopto.org:2404
freelife2.hopto.org:2404
freelife01.hopto.org:2404
freelife3.hopto.org:2404
freelife4.hopto.org:2404
freelife5.hopto.org:2404
Unpacked files
SH256 hash:
18d5f2bb4c00c8e6fb62f43bc3878c615b600ec26bc25b98204cc2e945cd175a
MD5 hash:
b0d9d156b07f2199b3334fc6564c133d
SHA1 hash:
0c39614273b857121740e0142d1d9809de8bc41b
Link:
https://www.unpac.me/results/c045fafe-83cf-4751-9294-9c553f81e234/
Parent samples :
b400601e35e72a20ca4a0fb19af7a93ddeddcd568674232cabb6c1e05ce4fd07
a643235802bd118331000b4a251952815382078dd0aaaded76e4a8890bbac5f6
33b01cf0eb422d872201670e34b732f76c980ae7ccb016068438272ed426a50b
fe6bd626fd98e3c0e4a2c350e5d927398e22e7731e7c2e1f31bc02181735c4e0
a97b00620e1e8ef9ef5c5f922f5b40ecf698504402d3e14979701c330bef7b56
90e1eac40edda005fffadbb1d16c652d16e685f8f4cf7375eb6ac928222c3a1c
1e54beecbd654f17bab2c6f883ea089943d68ae3e49aaea079182173dc203297
a0703367806de16bac9c75c016780c0bf3b1d8c21cf7f51b6a47b6a1aba74999
1ed62fd139d5efe1cb2650f52cf405d615dc19dae62744df9fb364cd1970a4bc
ffb6236e6dd03ba2599326f3d83d2ffabf8ab18902f1865aa0a68f1881e31978
99cdf3421923232c160c5075af3bf8620df65bd59cf99cc341f17a58e1eeb4f2
8f1eefd14608fae865576d9f7a24be116eb9d8dcebf89c954e2e645b06174c4e
f86258665b68d70e83397ac4ef17598c552b994dd13f26b8208c4d40b8e94816
ed78db064dfb4ae791498b2d08410a69bdad684ff709319d179c2383dd8e2f1c
3490cb5fd9a372722f95ed69c41e23d5cd274ce6b3c024ec1731962a380409d6
d86532a631143032da8dd4e4fd86cbaed87777ef2ede4a60377d534cb9ea7271
298d542746dfa4922dd5fbc8fab572be58447c9dbd1481c55bd2254bb275684f
ffb0bd5cf5a1716fa50f01a4b4fd98d396842c7c263d3ce03623748430b30a93
a2067e35b12b83ddae55145931870302de477b5ccce82a5e86ea7bf8e057d8d7
a2539269c2b9200d7baed9f0dfc25b59fd4713a641d79fd9bd13272c7e1296ca
0aff281c192e919ce8a4e2091a058aa3c8fab2379dd50d7dd7ac7217af4dc838
cc8b096d71a4734e17e6f1bcf10d9730e5a2b3ab15b7e89852a4cdd204563d29
1e24e03e9ffdbe39ca8d357d0130aff5c50f2ddd7b2f613ab9dc01f02d0527d3
f60b6dfcaf466a9cf6b7831fcd74abc70efc16aec11d3b38fdbc7562003ba61b
67c445ff181fcaa6b46a1d1af78a9df1ac413593f29561e4fa43059c7ed85ace
SH256 hash:
23d4b811a2e3f349ac70d49dafc192bd830776257f0ea82fce704f9db6e617c2
MD5 hash:
ac7e862a8d65c0685d84680af5905ac8
SHA1 hash:
52f159eaba5d0ac149045f45d6f427216c6be330
Link:
https://www.unpac.me/results/c045fafe-83cf-4751-9294-9c553f81e234/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/23d4b811a2e3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.94
Link:
https://yomi.yoroi.company/submissions/23d4b811a2e3f349ac70d49dafc192bd830776257f0ea82fce704f9db6e617c2

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_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers

File information

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

Malspam

RemcosRAT

iso ce955f7e7ea6e3e9b24cfaace62b786cf54a2559869fd768f63170fdf0c4e303

RemcosRAT

Executable exe 23d4b811a2e3f349ac70d49dafc192bd830776257f0ea82fce704f9db6e617c2

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 ce955f7e7ea6e3e9b24cfaace62b786cf54a2559869fd768f63170fdf0c4e303
Cape
Cape
https://www.capesandbox.com/analysis/196979/

Comments