33668692ad696856f95471e2b2834d75ff6ab285fe1a5d9098d340362e127454

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 03:10

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General

Target

WinThruster/unins000.exe
Size

3.1MB
MD5

b0e00a066ca1d50cd7e20e89ae392070
SHA1

ca272060ab5cce765849e482f663d2d6d14cb8e9
SHA256

23ac412357b91ca18622d1e10762ef4aa6f056711bafd01f7ee5b989a2d1f599
SHA512

507026af984db33ab06477d17634bf9eb120c340e02049a9908380d175a77051e4c483f605b1015eea5f15a8808ab9b477f2e76f834272c346d0abb535e756ee
SSDEEP

49152:aEA9P+bz2cHPcUb6HSb4SOEMkBeH7nQckO6bAGx7jXTVM3338O:q92bz2Eb6pd7B6bAGx7C333T

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

_iu14D2N.tmp

pid process

2656 _iu14D2N.tmp
Executes dropped EXE 1 IoCs

Processes:

_iu14D2N.tmp

pid process

2656 _iu14D2N.tmp
Loads dropped DLL 1 IoCs

Processes:

unins000.exe

pid process

1992 unins000.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

_iu14D2N.tmp

pid process

2656 _iu14D2N.tmp

pid	process
2656	_iu14D2N.tmp

pid	process
2656	_iu14D2N.tmp

pid	process
1992	unins000.exe

pid	process
2656	_iu14D2N.tmp

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

unins000.exe_iu14D2N.tmp

description	pid	process	target process
PID 1992 wrote to memory of 2656	1992	unins000.exe	_iu14D2N.tmp
PID 1992 wrote to memory of 2656	1992	unins000.exe	_iu14D2N.tmp
PID 1992 wrote to memory of 2656	1992	unins000.exe	_iu14D2N.tmp
PID 1992 wrote to memory of 2656	1992	unins000.exe	_iu14D2N.tmp
PID 1992 wrote to memory of 2656	1992	unins000.exe	_iu14D2N.tmp
PID 1992 wrote to memory of 2656	1992	unins000.exe	_iu14D2N.tmp
PID 1992 wrote to memory of 2656	1992	unins000.exe	_iu14D2N.tmp
PID 2656 wrote to memory of 2592	2656	_iu14D2N.tmp	Schtasks.exe
PID 2656 wrote to memory of 2592	2656	_iu14D2N.tmp	Schtasks.exe
PID 2656 wrote to memory of 2592	2656	_iu14D2N.tmp	Schtasks.exe
PID 2656 wrote to memory of 2592	2656	_iu14D2N.tmp	Schtasks.exe

C:\Users\Admin\AppData\Local\Temp\WinThruster\unins000.exe
"C:\Users\Admin\AppData\Local\Temp\WinThruster\unins000.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1992

C:\Users\Admin\AppData\Local\Temp\_iu14D2N.tmp
"C:\Users\Admin\AppData\Local\Temp\_iu14D2N.tmp" /SECONDPHASE="C:\Users\Admin\AppData\Local\Temp\WinThruster\unins000.exe" /FIRSTPHASEWND=$701F6
2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2656

C:\Windows\SysWOW64\Schtasks.exe
"Schtasks" /Delete /TN "WinThruster automatic scan and notifications" /F
3⤵
PID:2592

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_iu14D2N.tmp
Filesize
3.1MB

MD5
b0e00a066ca1d50cd7e20e89ae392070

SHA1
ca272060ab5cce765849e482f663d2d6d14cb8e9

SHA256
23ac412357b91ca18622d1e10762ef4aa6f056711bafd01f7ee5b989a2d1f599

SHA512
507026af984db33ab06477d17634bf9eb120c340e02049a9908380d175a77051e4c483f605b1015eea5f15a8808ab9b477f2e76f834272c346d0abb535e756ee

Download Submit
memory/1992-0-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1992-10-0x0000000000400000-0x000000000071D000-memory.dmp

Filesize
3.1MB

Download
memory/2656-8-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2656-11-0x0000000000400000-0x000000000071D000-memory.dmp

Filesize
3.1MB

Download
memory/2656-13-0x0000000000400000-0x000000000071D000-memory.dmp

Filesize
3.1MB

Download