b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc

Analysis

max time kernel
190s
max time network
195s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 09:06

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General

Target

b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe
Size

374KB
MD5

510b4db9aa400583e7927afa5f956179
SHA1

145c82caa303bd141fd6069ab92fefdfac3568bc
SHA256

b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc
SHA512

fccbea767c2ff85830d98f64aaddbb2a9bd7cb676a5460419a03b57dab4a9805f634b65626ed9b02008bcf1f37a35d40809fd760baeea9b7b71581349d217705
SSDEEP

6144:zxcJWXoLrDdMpwZtem0mipnQ6qSW1UfzGJNATRsAjSIrMgXgHePZY7rrvFly:zxcJWXovGaZtY57/7GJWRsAmiMR+PMr/

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

alter.exe

pid process

3296 alter.exe

pid	process
3296	alter.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

alter.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Local\\alter.exe"	alter.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run	alter.exe

Drops file in Windows directory 2 IoCs

Processes:

b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exealter.exe

description	ioc	process
File opened for modification	C:\Windows\b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.INI	b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe
File opened for modification	C:\Windows\alter.INI	alter.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

alter.exe

pid process

3296 alter.exe
3296 alter.exe
3296 alter.exe
3296 alter.exe
3296 alter.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

704
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

alter.exe

pid process

3296 alter.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

alter.exe

description pid process

Token: SeDebugPrivilege 3296 alter.exe
Token: SeDebugPrivilege 704

pid	process
3296	alter.exe
3296	alter.exe
3296	alter.exe
3296	alter.exe
3296	alter.exe

pid	process
704

pid	process
3296	alter.exe

description	pid	process
Token: SeDebugPrivilege	3296	alter.exe
Token: SeDebugPrivilege	704

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exealter.exe

pid	process
3424	b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe
3424	b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe
3296	alter.exe
3296	alter.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe

description	pid	process	target process
PID 3424 wrote to memory of 3296	3424	b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe	alter.exe
PID 3424 wrote to memory of 3296	3424	b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe	alter.exe
PID 3424 wrote to memory of 3296	3424	b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe	alter.exe

C:\Users\Admin\AppData\Local\Temp\b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe
"C:\Users\Admin\AppData\Local\Temp\b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3424

C:\Users\Admin\AppData\Local\alter.exe
C:\Users\Admin\AppData\Local\Temp\b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3296

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\alter.exe

Filesize
374KB

MD5
510b4db9aa400583e7927afa5f956179

SHA1
145c82caa303bd141fd6069ab92fefdfac3568bc

SHA256
b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc

SHA512
fccbea767c2ff85830d98f64aaddbb2a9bd7cb676a5460419a03b57dab4a9805f634b65626ed9b02008bcf1f37a35d40809fd760baeea9b7b71581349d217705

Download Submit
C:\Users\Admin\AppData\Local\alter.exe

Filesize
374KB

MD5
510b4db9aa400583e7927afa5f956179

SHA1
145c82caa303bd141fd6069ab92fefdfac3568bc

SHA256
b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc

SHA512
fccbea767c2ff85830d98f64aaddbb2a9bd7cb676a5460419a03b57dab4a9805f634b65626ed9b02008bcf1f37a35d40809fd760baeea9b7b71581349d217705

Download Submit
memory/704-143-0x00000000026A0000-0x00000000026CD000-memory.dmp

Filesize
180KB

Download
memory/704-144-0x00000000026D0000-0x0000000002703000-memory.dmp

Filesize
204KB

Download
memory/704-146-0x00000000026D0000-0x0000000002703000-memory.dmp

Filesize
204KB

Download
memory/704-147-0x0000000000730000-0x0000000000763000-memory.dmp

Filesize
204KB

Download
memory/3296-135-0x0000000000000000-mapping.dmp

Download
memory/3296-141-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/3296-142-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/3296-145-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3424-134-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/3424-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download