8087800643a23250a245810ff423fa65c79f6145ffc4610da6b6cbc745ef5c78

General

Target
AstralClient.exe
Size 9.0MB
Sample260907-sdqqjsxwax
SHA256 8087800643a23250a245810ff423fa65c79f6145ffc4610da6b6cbc745ef5c78
MD5 d954ad632c1c16afdef417638a416f17
SHA1 48c0175c3719468fcf2984f3b7c79292008db4d4
SHA512 b194c2272dde4526787d6f826c3688dfbcfba0c976c9c15c58134470d71c8bcd1cdb0235fa878ddd2b02f7dbaabe1b2b5c89eef5c9ef2821cb85a74f0202132e
SSDEEP 98304:fLcnBW/M0x2CFnOVn+bMkz6StXzvm0rtiSVEH/Wjzge15K0yY9W1gdY0B/Wjzge/:zbko6SfYksu8c5T9WKdpu8c5
TLSH
T11B96CF86B3944099C067C238CA6BDBA6E3357C055B216FEB2144BE1B3F73AD06E39751
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

adware spyware

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe

Modifies registry class 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\NotificationData	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{374DE290-123F-4565-9164-39C4925E467B}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1 = 3a001f481cffcda87848be43b5fdf8091c1c60d0260001002600efbe1100000064ff3facad0fdd0106cd8368bc0fdd01f390286dbc0fdd0114000000	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\SniffedFolderType = "Documents"	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA}\Instance\	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 0100000000000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\NodeSlot = "2"	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1CF1260C-4DD0-4ebb-811F-33C572699FDE}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A0953C92-50DC-43bf-BE83-3742FED03C9C}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	explorer.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2248	explorer.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
6044	AstralClient.exe
6044	AstralClient.exe
6044	AstralClient.exe
6044	AstralClient.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
6044	AstralClient.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2248	explorer.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
6044	AstralClient.exe
6044	AstralClient.exe
2248	explorer.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 6044 wrote to memory of 4228	6044	AstralClient.exe	90

C:\Users\Admin\AppData\Local\Temp\AstralClient.exe
"C:\Users\Admin\AppData\Local\Temp\AstralClient.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:6044
- C:\Windows\explorer.exe
  "C:\Windows\explorer.exe" shell:AppsFolder\Microsoft.MinecraftUWP_8wekyb3d8bbwe!App
  2⤵
  - Modifies registry class
  PID:4228

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2248

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:5700

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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