Analysis
- max time kernel
152s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220722-en - resource tags
arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system - submitted
24/07/2022, 19:36
Static task
static1
Behavioral task
behavioral1
Sample
663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe
Resource
win7-20220715-en
9 signatures
150 seconds
General
- Target 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe
- Size 321KB
- Sample220724-ya74badge2
- SHA256 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653
- MD5 3be4f1947efeb4143f7e3b951f6649b5
- SHA1 00e53e73138d821fb911560fa220159522633249
- SHA512 ed30e0265a8e9286da36c3e5a90f62a5be0b87b3587923285aa255be89c60145780d535ec141b2948a868a89709dad56552512ecfe6f3900ea3d0a001001d567
- MD5 SHA1 SHA512
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1284 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\Control Panel\International\Geo\Nation 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe - Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe File opened for modification C:\Windows\assembly\Desktop.ini 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe - Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly\Desktop.ini 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe File opened for modification C:\Windows\assembly 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe File created C:\Windows\assembly\Desktop.ini 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Runs ping.exe 1 TTPs 1 IoCs
pid Process 3468 PING.EXE - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1284 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5080 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe Token: SeDebugPrivilege 1284 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe Token: 33 1284 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe Token: SeIncBasePriorityPrivilege 1284 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1284 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 5080 wrote to memory of 1284 5080 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe 78 PID 5080 wrote to memory of 1284 5080 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe 78 PID 5080 wrote to memory of 1284 5080 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe 78 PID 5080 wrote to memory of 540 5080 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe 79 PID 5080 wrote to memory of 540 5080 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe 79 PID 5080 wrote to memory of 540 5080 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe 79 PID 540 wrote to memory of 3468 540 cmd.exe 81 PID 540 wrote to memory of 3468 540 cmd.exe 81 PID 540 wrote to memory of 3468 540 cmd.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe"C:\Users\Admin\AppData\Local\Temp\663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5080 -
C:\Users\Admin\AppData\Local\Temp\663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653\663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe"C:\Users\Admin\AppData\Local\Temp\663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653\663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe"2⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1284
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:540 -
C:\Windows\SysWOW64\PING.EXEping 1.1.1.1 -n 1 -w 10003⤵
- Runs ping.exe
PID:3468
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:4348
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653\663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe
- Size 321KB
- SHA256 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653
- MD5 3be4f1947efeb4143f7e3b951f6649b5
- SHA1 00e53e73138d821fb911560fa220159522633249
- SHA512 ed30e0265a8e9286da36c3e5a90f62a5be0b87b3587923285aa255be89c60145780d535ec141b2948a868a89709dad56552512ecfe6f3900ea3d0a001001d567
- SSDEEP 6144:bZ5GHKqSccAXTIzUzWvxv7vV+G7zPoAz0Q54HeyJAud+V3Oj:bbGHKDccAX0AWvxzvV+zAz03HFB
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653\663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653.exe
- Size 321KB
- SHA256 663d595bbc7b7b44651fcaeffb0e4f0679f6e042b448184a0ba55543b0341653
- MD5 3be4f1947efeb4143f7e3b951f6649b5
- SHA1 00e53e73138d821fb911560fa220159522633249
- SHA512 ed30e0265a8e9286da36c3e5a90f62a5be0b87b3587923285aa255be89c60145780d535ec141b2948a868a89709dad56552512ecfe6f3900ea3d0a001001d567
- SSDEEP 6144:bZ5GHKqSccAXTIzUzWvxv7vV+G7zPoAz0Q54HeyJAud+V3Oj:bbGHKDccAX0AWvxzvV+zAz03HFB
- MD5 SHA1 SHA512 SSDEEP