MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57d1efb1caef7b6c2110a578114000fe949b48004f5eb380c3a09726c0952304. 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


GCleaner


Vendor detections: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57d1efb1caef7b6c2110a578114000fe949b48004f5eb380c3a09726c0952304
SHA3-384 hash: cf5bbcd947a391ead2baebfdeb682ba7a5084c7d7d46bdba1190d829a6dc9de0e2c78269b640d970bbb68d4e511ad20d
SHA1 hash: 394b796a3d876de781f9690f8f6bd2ad82023f76
MD5 hash: 9a2a5477cd003ae4aa14cc461c1e73be
humanhash: vegan-fifteen-ink-nuts
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'834'413 bytes
First seen:2023-02-28 06:43:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'447 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:AGA4QwQW1g2BLaVPSocnIejMUeH/c1IR2CKJus8krT7d2ml4BAl3aOKz:dA4QwdCPPc3MUek1uTKJttF2m6rOKz
Threatray 2'213 similar samples on MalwareBazaar
TLSH T165D5334A67919BB9F3810B796C2F24522EA27463B734AA867B79C78F0337530D308F45
TrID 50.3% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.2% (.EXE) Inno Setup installer (109740/4/30)
4.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://45.12.253.74/pineapple.php?pub=mixinte

Intelligence

File Origin
# of uploads :
1
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
redline
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-28 06:43:59 UTC
Tags:
installer loader stealer gcleaner trojan rat redline cryptbot opendir
Link:
https://app.any.run/tasks/d031a614-4695-4fa9-9807-c70eaf21d8af

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
RedLine
Create hunting rule
Link:
https://www.capesandbox.com/analysis/370508/
Detection(s):
SecuriteInfo.com.Adware.Generic2.DOZ.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for the window
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Creating a file in the %AppData% subdirectories
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
Launching a tool to kill processes
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63fda2b4bfec0852a68dc71d/reports/96582194-86d6-4076-af1a-7b71e7bc95cd/overview
Verdict:
Malicious
Labled as:
HEUR/AGEN.1251208
Link:
https://www.hybrid-analysis.com/sample/57d1efb1caef7b6c2110a578114000fe949b48004f5eb380c3a09726c0952304
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:
Malicious
Link:
https://analyze.intezer.com/analyses/977013d4-c68b-4be6-9c34-0acf26cdc2ca
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1183935
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 816766 Sample: file.exe Startdate: 28/02/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Antivirus detection for URL or domain 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 6 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-9MI8O.tmp, PE32 10->31 dropped 13 is-9MI8O.tmp 15 25 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 13->35 dropped 37 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->37 dropped 39 7 other files (5 malicious) 13->39 dropped 16 FRec228.exe 20 13->16         started        process8 dnsIp9 41 45.12.253.56, 49696, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49697, 80 CMCSUS Germany 16->43 45 2 other IPs or domains 16->45 29 C:\Users\user\AppData\...\39iU3JywA.exe, PE32 16->29 dropped 20 39iU3JywA.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 57 Multi AV Scanner detection for dropped file 20->57 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/57d1efb1caef7b6c2110a578114000fe949b48004f5eb380c3a09726c0952304/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-02-28 06:44:10 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
11 of 25 (44.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k7i67mok555wyiiquv4bcqaa72kjwsaaj5plhagduclsnqevemca._file
Verdict:
malicious
Similar samples:
14acfa9f01f0893a67fc56ff86bf859428c0d25c6bc7a3c7eac2d78b7fd813e1
GCleaner
5b06a1d47febc51608577e8827a61ae277ac79a5d4beeeab6bc1ddd6b9a88077
GCleaner
806374db08f908a0e5622f192bebb29d262b442cda27038d214d3fb802e6311c
GCleaner
86a1d5c55b17007a02cc79abbcae676cd83002dc027e10d4992634033402b30e
GCleaner
9a30eba2ab71b1a2c246b3347ae5504785e2a4b529e74b40c83c6a5711a806a6
GCleaner
9fba8733adf4186bd258da008bc4ba26e72e871fa6df2815d8a2ce2c9eb4d451
GCleaner
aa0a425c0ec42dfceaa7d6cabc4af201eae056f2898acd36963b50be60b92df5
GCleaner
b3d77f673242c2bd51984ec89dfda2ec49ca18d4303c7a2e8185962258c06d83
GCleaner
+ 2'203 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230228-hhgy4ahg6t/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
GCleaner
Malware Config
C2 Extraction:
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Unpacked files
SH256 hash:
178f8e49edc2fe5dc0f3d811d57e7d3f4ff8ec6d72c7cea72f6e74227c8aec40
MD5 hash:
fc7a557d05f44c7a8917b49c03a71f3b
SHA1 hash:
d8048b333489731160934aa86a3a82ecfe37f89a
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/34f66efe-ca32-409f-9d59-99383847e21d/
SH256 hash:
8286d199a3be1de1a3c208b1f35cfc9a1f69b82fd70e7941750f50d1fd9be5bd
MD5 hash:
d36c3493e40c710702756009acdedc69
SHA1 hash:
f9a4eccfa441690ba951658b522d2bc7bdf55941
Link:
https://www.unpac.me/results/34f66efe-ca32-409f-9d59-99383847e21d/
SH256 hash:
454d972026030b22dc98c5ccf06d5edb9af36899cde6442ea26296c5d28ab688
MD5 hash:
451230ab194950a324a570e50ab39f42
SHA1 hash:
e975dea94258e12f6832fcbb18c5b612c26d5af4
Link:
https://www.unpac.me/results/34f66efe-ca32-409f-9d59-99383847e21d/
SH256 hash:
57d1efb1caef7b6c2110a578114000fe949b48004f5eb380c3a09726c0952304
MD5 hash:
9a2a5477cd003ae4aa14cc461c1e73be
SHA1 hash:
394b796a3d876de781f9690f8f6bd2ad82023f76
Link:
https://www.unpac.me/results/34f66efe-ca32-409f-9d59-99383847e21d/
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/57d1efb1caef7b6c2110a578114000fe949b48004f5eb380c3a09726c0952304

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:win_gcleaner_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.gcleaner.

File information

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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/370508/

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