MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 43788cb7b7fc59f3999f91b66ff864eb8308b83bd9d39a87a846389135da85d0. 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: 13
| SHA256 hash: | 43788cb7b7fc59f3999f91b66ff864eb8308b83bd9d39a87a846389135da85d0 |
|---|---|
| SHA3-384 hash: | 0503af66d7ae8bc66e63b8be26441f6e3931b2a627d9e1e97324d781cfe54b2a5b6d9193e0ddca7869e55f4f59466257 |
| SHA1 hash: | 910a0983b989a81820e20eae3dad93a56abe90f9 |
| MD5 hash: | 146e20dd0adbb4e07bad53153fca6ffc |
| humanhash: | triple-echo-carbon-yellow |
| File name: | file |
| Download: | download sample |
| Signature | GCleaner |
| File size: | 2'437'948 bytes |
| First seen: | 2022-10-27 23:46:48 UTC |
| Last seen: | 2022-10-28 00:10:11 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer) |
| ssdeep | 49152:Z2e7A/oNtGVssMIvMqTfYwO5RTE92yIKwjxoUSGCEP33ljmA5hq:Me7AANZsPLYVHT02yIKwjx50yl5Dq |
| TLSH | T125B533949F215874D5D6D8B90C2FBD3DA424FAC408B9C42A3EDC160697BA640E8C5FFD |
| 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): |  |
| dhash icon | b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer) |
| Reporter |  andretavare5 |
| Tags: | exe gcleaner |
Intelligence
File Origin
# of uploads :
10
# of downloads :
305
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-28 01:18:23 UTC
Tags:
installer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
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
Moving a recently created file
Modifying a system file
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file in the system32 subdirectories
Moving a file to the %AppData% subdirectory
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 process
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
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:
GCleaner
Verdict:
Malicious
Result
Threat name:
Nymaim
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2022-10-28 00:26:01 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
14 of 26 (53.85%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Result
Malware family:
nymaim
Score:
10/10
Tags:
family:nymaim discovery trojan
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
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
NyMaim
Malware Config
C2 Extraction:
45.139.105.171
85.31.46.167
85.31.46.167
Unpacked files
SH256 hash:
5e1fd67aed0383160f7c5af202eb9bd87672ffb70708ba02d6a4f4e44038401f
MD5 hash:
ca93c62dd03e5834e17663560a8d2c06
SHA1 hash:
1c91dc51f83ad6248cf5a8eeed4679dcf8919019
Detections:
win_nymaim_g0
Nymaim
win_gcleaner_auto
SH256 hash:
d4c0e546813154279867cbd3d195c6418488b4851e05cc626ae5f491b7a15e1b
MD5 hash:
5eb6cd1ac13166e99c7624021ae89d8f
SHA1 hash:
8c4002f7dab4af73339d8e9e9fd1c7a4b01811e9
SH256 hash:
43788cb7b7fc59f3999f91b66ff864eb8308b83bd9d39a87a846389135da85d0
MD5 hash:
146e20dd0adbb4e07bad53153fca6ffc
SHA1 hash:
910a0983b989a81820e20eae3dad93a56abe90f9
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.68
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: | CAS_Malware_Hunting |
|---|---|
| Author: | Michael Reinprecht |
| Description: | DEMO CAS YARA Rules for sample2.exe |
| Rule name: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| Rule name: | win_gcleaner_auto |
|---|---|
| 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
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