Analysis
- user interaction
yes - max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
21/04/2026, 15:49
Behavioral task
behavioral1
Sample
pulsetrack.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
pulsetrack.exe
Resource
win11-20260130-en
General
- Target pulsetrack.exe
- Size 3.5MB
- Sample260421-s9d2macw2w
- SHA256 4bdd92ce7d79c0ed576d22098cb1aa10a9a73e243dc335297081a787d4753214
- MD5 f689a20f634b359bf93a6b322e18b454
- SHA1 366441173780fb4a4745a64c7ea0a8c05e1feb21
- SHA512 8eafd14a7167c4f496f0d1745782eab41dd718dd457ae95b7cefd664819df396e933a0128aae3dfad3daf3c104f66c34896a49e5080d918031d406cddefc8fa4
- SSDEEP 49152:rvpET2mbaBm3/PxlL/uJIXpQ1HlaRJ6ObR3LoGdqTHHB72eh2NT:rv+T2mbaBm3/PxlL/u+XpQ1HlaRJ6I
- TLSH T1C5F53A1437F87E26E1AAE27797B0043267F0EC1AA363E70B25C166E93C5F75058316A7
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
quasar
-
1.4.1
-
pulsetrack
-
dot.sa.com:4782
-
dot.sa.com:443
-
dot.sa.com:8888
-
dot.sa.com:8848
-
dot.sa.com:8080
-
tasawoq.it.com:4782
-
tasawoq.it.com:443
-
tasawoq.it.com:8888
-
tasawoq.it.com:8848
-
tasawoq.it.com:8080
-
94e76031-936f-4a3e-9754-9aa3b135f801
-
encryption_key
2DA8E1B5D18EAA4561218BCAF7CC51C403CE73ED
-
install_name
pulsetrack.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
pulsetrack
-
subdirectory
C:\Users\[User]\Documents\PulseTrack\pulsetrack.exe
Signatures
- Quasar payload 2 IoCs
resource yara_rule behavioral1/memory/4056-0-0x0000000000320000-0x000000000069E000-memory.dmp family_quasar behavioral1/files/0x0007000000024368-4.dat family_quasar - Executes dropped EXE 2 IoCs
pid Process 2360 pulsetrack.exe 4544 pulsetrack.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 3920 schtasks.exe 4804 schtasks.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4056 pulsetrack.exe Token: SeDebugPrivilege 2360 pulsetrack.exe Token: SeDebugPrivilege 4544 pulsetrack.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2360 pulsetrack.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 2360 pulsetrack.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2360 pulsetrack.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4056 wrote to memory of 3920 4056 pulsetrack.exe 85 PID 4056 wrote to memory of 2360 4056 pulsetrack.exe 87 PID 2360 wrote to memory of 4804 2360 pulsetrack.exe 90 - 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\pulsetrack.exe"C:\Users\Admin\AppData\Local\Temp\pulsetrack.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4056 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "pulsetrack" /sc ONLOGON /tr "C:\Users\[User]\Documents\PulseTrack\pulsetrack.exe\pulsetrack.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:3920
-
-
C:\Users\[User]\Documents\PulseTrack\pulsetrack.exe\pulsetrack.exe"C:\Users\[User]\Documents\PulseTrack\pulsetrack.exe\pulsetrack.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "pulsetrack" /sc ONLOGON /tr "C:\Users\[User]\Documents\PulseTrack\pulsetrack.exe\pulsetrack.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
PID:4804
-
-
-
C:\Users\[User]\Documents\PulseTrack\pulsetrack.exe\pulsetrack.exeC:\Users\[User]\Documents\PulseTrack\pulsetrack.exe\pulsetrack.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4544
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\pulsetrack.exe.log
- Size 1KB
- SHA256 ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924
- MD5 baf55b95da4a601229647f25dad12878
- SHA1 abc16954ebfd213733c4493fc1910164d825cac8
- SHA512 24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545
- TLSH T1B521CD712376B1D889163F422C5D2A8007BF0335BA50DE1CB9A9725ED9260171F222F3
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\[User]\Documents\PulseTrack\pulsetrack.exe\pulsetrack.exe
- Size 3.5MB
- SHA256 4bdd92ce7d79c0ed576d22098cb1aa10a9a73e243dc335297081a787d4753214
- MD5 f689a20f634b359bf93a6b322e18b454
- SHA1 366441173780fb4a4745a64c7ea0a8c05e1feb21
- SHA512 8eafd14a7167c4f496f0d1745782eab41dd718dd457ae95b7cefd664819df396e933a0128aae3dfad3daf3c104f66c34896a49e5080d918031d406cddefc8fa4
- SSDEEP 49152:rvpET2mbaBm3/PxlL/uJIXpQ1HlaRJ6ObR3LoGdqTHHB72eh2NT:rv+T2mbaBm3/PxlL/u+XpQ1HlaRJ6I
- TLSH T1C5F53A1437F87E26E1AAE27797B0043267F0EC1AA363E70B25C166E93C5F75058316A7
- MD5 SHA1 SHA512 SSDEEP TLSH