MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73f87dc14d15addd846f2073187ac64be665ce79f618fff31c981ac95a51d288. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 73f87dc14d15addd846f2073187ac64be665ce79f618fff31c981ac95a51d288
SHA3-384 hash: ada55bd72dfbfdc65fd9a920814fc93e63e1cbfc561e510fb9c909f78fdd9e3bea36693863ce044097940f945bc5800c
SHA1 hash: e7523d0777debf48c046a01ee721b2d79ac03790
MD5 hash: 619ae0b338c0c3d5f43e1b2d5e73824a
humanhash: carbon-grey-summer-apart
File name:Aflsers.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:435'328 bytes
First seen:2023-05-24 06:13:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b78ecf47c0a3e24a6f4af114e2d1f5de (295 x GuLoader, 23 x Formbook, 21 x RemcosRAT)
ssdeep 6144:dpBTqpquQ0YyJNH5ZFPMU3keTHSNMa0YPMnXzyFO+I64ugxpbqK+lbakutA1I:JUquQ0jLxPMgkCHSTL+XzyGl3qblSt5
Threatray 1'306 similar samples on MalwareBazaar
TLSH T11194220E36509166ED9B42312276C6F5AEBFDC684B326A43D324BD5B3D933048F6F852
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon fc64646c6cc4d4e5 (1 x RemcosRAT)
Reporter lowmal3
Tags:exe RemcosRAT signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-07-04T03:48:12Z
Valid to:2025-07-03T03:48:12Z
Serial number: 124aaf065d3dcf74fcbab42a797899d84f3b2857
Thumbprint Algorithm:SHA256
Thumbprint: 9fc79ffe4e501b4c61bb98a4b339bfce8554ffab2a77561d793a744f23243423
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
297
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Aflsers.exe
Verdict:
Malicious activity
Analysis date:
2023-05-24 06:13:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/520fefac-1b0f-4ebc-bab4-54f3bf9ba906

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/390966/
Detection(s):
PUA.Win.Packer.Pequake-4
Create hunting rule

SecuriteInfo.com.BackDoor.Siggen2.2488.26461.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/87674/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
buer lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/646dab2a100efa346a486bde/reports/5eaf4a71-06be-45b9-b6c8-d414327d93b5/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/73f87dc14d15addd846f2073187ac64be665ce79f618fff31c981ac95a51d288
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ea37365d-5eca-45fd-abdb-292093ff4d14
Result
Threat name:
GuLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1241336
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Installs a global keyboard hook
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Snort IDS alert for network traffic
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/73f87dc14d15addd846f2073187ac64be665ce79f618fff31c981ac95a51d288/
Threat name:
Win32.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2023-05-22 15:39:42 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
9 of 37 (24.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=op4h3qkncww53bdpebzrq6wgjptglttz6ymp74y4tanmswsr2kea._file
Verdict:
unknown
Similar samples:
06bbd56f97c98fe910af5904b60443fcbf1d88488f374f35d4a0423f045c7b4f
RemcosRAT
1aba3ebf5fc7d6221270fa7e13713216e06b678b197524a35d3a5cd9b1e0d857
RemcosRAT
3ad3e9feca98bd1c94415f0319340c3c9416541f4592f7373aeeab289a03c7ac
RemcosRAT
449923544b5d76b31a84b7d58cc5cd72d44da67b5fa92f28f5dc603ce066abf0
RemcosRAT
75bb54e0d27dfeb0efa4680d7136307f9a82edef662e9fc3c4339b05b3fe7079
RemcosRAT
7d6e9247de0527fa4c0939c4f6e6726a35cb5f39492a7aeab5614ac1ab29b294
RemcosRAT
8808e4e220fcda37bdb05b703e86053f88a6ebd68037d37ef89754c459d7ad2b
RemcosRAT
a2eaac349a954d541baa7ecebb64870e6ff3bf161d5901b74821f49ce45337d6
RemcosRAT
b643d5ee1be492fcbfbfb4c9b9bf3da8460b74ab2097b96e6545318c92f2ee26
RemcosRAT
f1d545ed6ad2433790b985ad84d102f937b16f44c09f32d9be33f95ef80b7d4d
RemcosRAT
+ 1'296 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/230524-gzbb7sba54/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
192.3.223.132:2404
Unpacked files
SH256 hash:
fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e
MD5 hash:
3f176d1ee13b0d7d6bd92e1c7a0b9bae
SHA1 hash:
fe582246792774c2c9dd15639ffa0aca90d6fd0b
Link:
https://www.unpac.me/results/dd43db36-f922-46f1-aa03-3dcc5f693d5a/
SH256 hash:
73f87dc14d15addd846f2073187ac64be665ce79f618fff31c981ac95a51d288
MD5 hash:
619ae0b338c0c3d5f43e1b2d5e73824a
SHA1 hash:
e7523d0777debf48c046a01ee721b2d79ac03790
Link:
https://www.unpac.me/results/dd43db36-f922-46f1-aa03-3dcc5f693d5a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/73f87dc14d15addd846f2073187ac64be665ce79f618fff31c981ac95a51d288

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Malspam

RemcosRAT

Executable exe 73f87dc14d15addd846f2073187ac64be665ce79f618fff31c981ac95a51d288

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/390966/

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