Analysis
- max time kernel
141s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
12/08/2024, 14:25
Behavioral task
behavioral1
Sample
Incog_fixerV2.exe
Resource
win7-20240704-en
9 signatures
150 seconds
General
- Target Incog_fixerV2.exe
- Size 3.1MB
- Sample240812-rrnyfavejm
- SHA256 1a89e7f9a21eedd8862f229cf18b9dbe2bc6be6702e8673b2b0ec6bb53c05a97
- MD5 070f968bf870be17991ed18611cdd740
- SHA1 250d192ca6c1ba751a1c4dacccb607e94543d0f6
- SHA512 d745610412f37195d7fadf73456c32e38290a8feb6125f072c5d7ffecfea3e16eaa0ba10bfbe4e14c6cb37300a32073b93c773957c9417607f00f44984920133
- SSDEEP 49152:GvBt62XlaSFNWPjljiFa2RoUYIQQ+YWaruQoGd8THHB72eh2NT:Gvr62XlaSFNWPjljiFXRoUYI3+Yh
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.1
Botnet
-
Discord
C2
-
192.168.50.170:4782
Mutex
-
8bb06dbe-de14-4261-88ca-56b71264b302
Attributes
-
encryption_key
E76E0A20BF024E9F41CD770C7B037D01CDAC1B04
-
install_name
Incognito.exe
-
log_directory
HSHSS
-
reconnect_delay
3000
-
startup_key
Incognito_fixer
-
subdirectory
JJ
Signatures
- Quasar payload 2 IoCs
resource yara_rule behavioral2/memory/1232-1-0x0000000000450000-0x0000000000774000-memory.dmp family_quasar behavioral2/files/0x000700000002344c-6.dat family_quasar - Executes dropped EXE 1 IoCs
pid Process 5104 Incognito.exe - Drops file in System32 directory 5 IoCs
description ioc Process File opened for modification C:\Windows\system32\JJ\Incognito.exe Incog_fixerV2.exe File opened for modification C:\Windows\system32\JJ Incog_fixerV2.exe File opened for modification C:\Windows\system32\JJ\Incognito.exe Incognito.exe File opened for modification C:\Windows\system32\JJ Incognito.exe File created C:\Windows\system32\JJ\Incognito.exe Incog_fixerV2.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 4864 schtasks.exe 2384 schtasks.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1232 Incog_fixerV2.exe Token: SeDebugPrivilege 5104 Incognito.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5104 Incognito.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1232 wrote to memory of 2384 1232 Incog_fixerV2.exe 87 PID 1232 wrote to memory of 2384 1232 Incog_fixerV2.exe 87 PID 1232 wrote to memory of 5104 1232 Incog_fixerV2.exe 89 PID 1232 wrote to memory of 5104 1232 Incog_fixerV2.exe 89 PID 5104 wrote to memory of 4864 5104 Incognito.exe 90 PID 5104 wrote to memory of 4864 5104 Incognito.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\Incog_fixerV2.exe"C:\Users\Admin\AppData\Local\Temp\Incog_fixerV2.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Incognito_fixer" /sc ONLOGON /tr "C:\Windows\system32\JJ\Incognito.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:2384
-
-
C:\Windows\system32\JJ\Incognito.exe"C:\Windows\system32\JJ\Incognito.exe"2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5104 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Incognito_fixer" /sc ONLOGON /tr "C:\Windows\system32\JJ\Incognito.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
PID:4864
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\System32\JJ\Incognito.exe
- Size 3.1MB
- SHA256 1a89e7f9a21eedd8862f229cf18b9dbe2bc6be6702e8673b2b0ec6bb53c05a97
- MD5 070f968bf870be17991ed18611cdd740
- SHA1 250d192ca6c1ba751a1c4dacccb607e94543d0f6
- SHA512 d745610412f37195d7fadf73456c32e38290a8feb6125f072c5d7ffecfea3e16eaa0ba10bfbe4e14c6cb37300a32073b93c773957c9417607f00f44984920133
- SSDEEP 49152:GvBt62XlaSFNWPjljiFa2RoUYIQQ+YWaruQoGd8THHB72eh2NT:Gvr62XlaSFNWPjljiFXRoUYI3+Yh
- MD5 SHA1 SHA512 SSDEEP