Analysis
- max time kernel
148s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/10/2026, 18:17
Behavioral task
behavioral1
Sample
7m.exe
Resource
win10v2004-20260911-en
12 signatures
150 seconds
General
- Target 7m.exe
- Size 3.1MB
- Sample261002-wxd3msxvas
- SHA256 596047d1fb145c35566f327fbe4cc8c459c181a0b7a64bf5e753987958899a5b
- MD5 5e9b111cb23fa7c63723dfd92be83a4a
- SHA1 b0e72a79f0754ecadc982254b91080fa49d3c724
- SHA512 b021b9a07b3235717fd7a783d147eff7d5e769ecfa832a019d0ba93abcad290143bec4268db02d949fc3e7d6d06bfba11c4e19f11601bd4c32ba0f531fcd685c
- SSDEEP 49152:Ev6go2QSaNpzyPllgamb0CZof/JV6O/dBxLLoGd1THHB72eh2NT:Evzo2QSaNpzyPllgamYCZof/JZ/N
- TLSH T1DFE56B0437F85E33E56BD2B3D5B05026A3F0E82AF363EB1B519167BE1C53B5488426A7
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.1
Botnet
-
7m
C2
-
7mvn.top:80
-
7mvn.top:443
-
7mvn.top:3306
-
7mvn.top:20
-
7mvn.top:23
-
7mvn.love:80
-
7mvn.love:443
-
7mvn.love:3306
-
7mvn.love:20
-
7mvn.love:23
Mutex
-
dc84e7d7-1880-44d7-b9b1-977a69077998
Attributes
-
encryption_key
576D1496F563366ADEBFC3046D6584BB4AD91241
-
install_name
Client.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
10
-
startup_key
7m
-
subdirectory
SubDir
Signatures
- Quasar payload 2 IoCs
resource yara_rule behavioral2/memory/4548-1-0x00000000002F0000-0x0000000000614000-memory.dmp family_quasar behavioral2/files/0x000e00000001c54d-13.dat family_quasar - Executes dropped EXE 2 IoCs
pid Process 3332 Client.exe 2476 Client.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 3292 schtasks.exe 644 schtasks.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4548 7m.exe Token: SeDebugPrivilege 3332 Client.exe Token: SeDebugPrivilege 2476 Client.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4548 wrote to memory of 3292 4548 7m.exe 89 PID 4548 wrote to memory of 3332 4548 7m.exe 91 PID 3332 wrote to memory of 644 3332 Client.exe 93 - 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\7m.exe"C:\Users\Admin\AppData\Local\Temp\7m.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "7m" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:3292
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3332 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "7m" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
PID:644
-
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exeC:\Users\Admin\AppData\Roaming\SubDir\Client.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2476
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
- Size 3.1MB
- SHA256 596047d1fb145c35566f327fbe4cc8c459c181a0b7a64bf5e753987958899a5b
- MD5 5e9b111cb23fa7c63723dfd92be83a4a
- SHA1 b0e72a79f0754ecadc982254b91080fa49d3c724
- SHA512 b021b9a07b3235717fd7a783d147eff7d5e769ecfa832a019d0ba93abcad290143bec4268db02d949fc3e7d6d06bfba11c4e19f11601bd4c32ba0f531fcd685c
- SSDEEP 49152:Ev6go2QSaNpzyPllgamb0CZof/JV6O/dBxLLoGd1THHB72eh2NT:Evzo2QSaNpzyPllgamYCZof/JZ/N
- TLSH T1DFE56B0437F85E33E56BD2B3D5B05026A3F0E82AF363EB1B519167BE1C53B5488426A7
- MD5 SHA1 SHA512 SSDEEP TLSH