Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
12/09/2026, 14:25
Behavioral task
behavioral1
Sample
CBD6A180FBA88121622F18261D3292FC.exe
Resource
win10v2004-20260911-en
9 signatures
150 seconds
General
- Target CBD6A180FBA88121622F18261D3292FC.exe
- Size 3.1MB
- Sample260912-rrkwsadb68
- SHA256 da1d478a5b6b481e7c66699f8d8f0d21fc7ebbe854401c6ae67eacae6ea5a7a5
- MD5 cbd6a180fba88121622f18261d3292fc
- SHA1 74043e3751514d21ac85f9bc5e0ff757aed0c077
- SHA512 a738afac1d91257f50d1e16c03701792145b913a358e58f82106ba66a83dd9a3651f1ef38ae52ba4cc93a436b011be7b330aa56e78b595b63b701ac7ecb436da
- SSDEEP 49152:9vgt62XlaSFNWPjljiFa2RoUYIfGQ6QbRE1oGd98THHB72eh2NT:9vM62XlaSFNWPjljiFXRoUYIfGQ6V
- TLSH T1B5E56B143BF85E27E1BBE277E5B0041267F0FC1AB363E70B658167BA1C53B5098426A7
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.1
Botnet
-
LZM客户
C2
-
47.116.211.21:4782
Mutex
-
8523ab70-895a-4819-9c09-e5c93bb8bfdc
Attributes
-
encryption_key
8CFFE4FA8F624CB4C15790C414E04ACDE61E3651
-
install_name
LZM.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
LZMSup
-
subdirectory
SubDir
Signatures
- Quasar payload 2 IoCs
resource yara_rule behavioral1/memory/4748-0-0x0000000000580000-0x00000000008A4000-memory.dmp family_quasar behavioral1/files/0x000800000002469e-5.dat family_quasar - Executes dropped EXE 2 IoCs
pid Process 5976 LZM.exe 4528 LZM.exe - Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\system32\SubDir\LZM.exe CBD6A180FBA88121622F18261D3292FC.exe File opened for modification C:\Windows\system32\SubDir\LZM.exe CBD6A180FBA88121622F18261D3292FC.exe File opened for modification C:\Windows\system32\SubDir CBD6A180FBA88121622F18261D3292FC.exe File opened for modification C:\Windows\system32\SubDir\LZM.exe LZM.exe File opened for modification C:\Windows\system32\SubDir LZM.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5808 schtasks.exe 3616 schtasks.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4748 CBD6A180FBA88121622F18261D3292FC.exe Token: SeDebugPrivilege 5976 LZM.exe Token: SeDebugPrivilege 4528 LZM.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5976 LZM.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4748 wrote to memory of 5808 4748 CBD6A180FBA88121622F18261D3292FC.exe 83 PID 4748 wrote to memory of 5976 4748 CBD6A180FBA88121622F18261D3292FC.exe 85 PID 5976 wrote to memory of 3616 5976 LZM.exe 88 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\CBD6A180FBA88121622F18261D3292FC.exe"C:\Users\Admin\AppData\Local\Temp\CBD6A180FBA88121622F18261D3292FC.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4748 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "LZMSup" /sc ONLOGON /tr "C:\Windows\system32\SubDir\LZM.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:5808
-
-
C:\Windows\system32\SubDir\LZM.exe"C:\Windows\system32\SubDir\LZM.exe"2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5976 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "LZMSup" /sc ONLOGON /tr "C:\Windows\system32\SubDir\LZM.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
PID:3616
-
-
-
C:\Windows\system32\SubDir\LZM.exeC:\Windows\system32\SubDir\LZM.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4528
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\System32\SubDir\LZM.exe
- Size 3.1MB
- SHA256 da1d478a5b6b481e7c66699f8d8f0d21fc7ebbe854401c6ae67eacae6ea5a7a5
- MD5 cbd6a180fba88121622f18261d3292fc
- SHA1 74043e3751514d21ac85f9bc5e0ff757aed0c077
- SHA512 a738afac1d91257f50d1e16c03701792145b913a358e58f82106ba66a83dd9a3651f1ef38ae52ba4cc93a436b011be7b330aa56e78b595b63b701ac7ecb436da
- SSDEEP 49152:9vgt62XlaSFNWPjljiFa2RoUYIfGQ6QbRE1oGd98THHB72eh2NT:9vM62XlaSFNWPjljiFXRoUYIfGQ6V
- TLSH T1B5E56B143BF85E27E1BBE277E5B0041267F0FC1AB363E70B658167BA1C53B5098426A7
- MD5 SHA1 SHA512 SSDEEP TLSH