xpertrat | 31ec85607b59877f42e791a2ac23d8c8c95edc8bad7fc0939a90a3807f445c6d

Modify Registry

T1112

Processes:

iexplore.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\A6G228Q5-H8G1-F1T6-U4K6-C1J007E2X0Y8 = "C:\\Users\\Admin\\AppData\\Roaming\\A6G228Q5-H8G1-F1T6-U4K6-C1J007E2X0Y8\\A6G228Q5-H8G1-F1T6-U4K6-C1J007E2X0Y8.exe"	iexplore.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/1140-27-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral2/memory/2980-38-0x0000000000400000-0x0000000000416000-memory.dmp	upx

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

iexplore.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	iexplore.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

T1112

Processes:

iexplore.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A6G228Q5-H8G1-F1T6-U4K6-C1J007E2X0Y8 = "C:\\Users\\Admin\\AppData\\Roaming\\A6G228Q5-H8G1-F1T6-U4K6-C1J007E2X0Y8\\A6G228Q5-H8G1-F1T6-U4K6-C1J007E2X0Y8.exe"	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\A6G228Q5-H8G1-F1T6-U4K6-C1J007E2X0Y8 = "C:\\Users\\Admin\\AppData\\Roaming\\A6G228Q5-H8G1-F1T6-U4K6-C1J007E2X0Y8\\A6G228Q5-H8G1-F1T6-U4K6-C1J007E2X0Y8.exe"	iexplore.exe

Program crash 3 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exe

pid pid_target process target process

4048 1992 WerFault.exe iexplore.exe
2636 2232 WerFault.exe iexplore.exe
1236 1324 WerFault.exe iexplore.exe

pid	pid_target	process	target process
4048	1992	WerFault.exe	iexplore.exe
2636	2232	WerFault.exe	iexplore.exe
1236	1324	WerFault.exe	iexplore.exe

Suspicious use of SetThreadContext 10 IoCs

Processes:

Új megrendelés - 00905173088 CPTL árajánlat - egyenként 100.execalc.exeiexplore.exe

description	pid	process	target process
PID 3504 set thread context of 1500	3504	Új megrendelés - 00905173088 CPTL árajánlat - egyenként 100.exe	calc.exe
PID 1500 set thread context of 2292	1500	calc.exe	iexplore.exe
PID 2292 set thread context of 1992	2292	iexplore.exe	iexplore.exe
PID 2292 set thread context of 1140	2292	iexplore.exe	iexplore.exe
PID 2292 set thread context of 2232	2292	iexplore.exe	iexplore.exe
PID 2292 set thread context of 2696	2292	iexplore.exe	iexplore.exe
PID 2292 set thread context of 3048	2292	iexplore.exe	iexplore.exe
PID 2292 set thread context of 1324	2292	iexplore.exe	iexplore.exe
PID 2292 set thread context of 2980	2292	iexplore.exe	iexplore.exe
PID 2292 set thread context of 1516	2292	iexplore.exe	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

calc.exeiexplore.exeiexplore.exe

pid process

1500 calc.exe
1500 calc.exe
1140 iexplore.exe
1140 iexplore.exe
1500 calc.exe
1500 calc.exe
3048 iexplore.exe
3048 iexplore.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

iexplore.exeiexplore.exe

description pid process

Token: SeDebugPrivilege 2292 iexplore.exe
Token: SeDebugPrivilege 1140 iexplore.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

calc.exeiexplore.exe

pid process

1500 calc.exe
2292 iexplore.exe

pid	process
1500	calc.exe
1500	calc.exe
1140	iexplore.exe
1140	iexplore.exe
1500	calc.exe
1500	calc.exe
3048	iexplore.exe
3048	iexplore.exe

description	pid	process
Token: SeDebugPrivilege	2292	iexplore.exe
Token: SeDebugPrivilege	1140	iexplore.exe

pid	process
1500	calc.exe
2292	iexplore.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

Új megrendelés - 00905173088 CPTL árajánlat - egyenként 100.execalc.exeiexplore.exe

description	pid	process	target process
PID 3504 wrote to memory of 1500	3504	Új megrendelés - 00905173088 CPTL árajánlat - egyenként 100.exe	calc.exe
PID 3504 wrote to memory of 1500	3504	Új megrendelés - 00905173088 CPTL árajánlat - egyenként 100.exe	calc.exe
PID 3504 wrote to memory of 1500	3504	Új megrendelés - 00905173088 CPTL árajánlat - egyenként 100.exe	calc.exe
PID 3504 wrote to memory of 1500	3504	Új megrendelés - 00905173088 CPTL árajánlat - egyenként 100.exe	calc.exe
PID 3504 wrote to memory of 1500	3504	Új megrendelés - 00905173088 CPTL árajánlat - egyenként 100.exe	calc.exe
PID 3504 wrote to memory of 1500	3504	Új megrendelés - 00905173088 CPTL árajánlat - egyenként 100.exe	calc.exe
PID 3504 wrote to memory of 1500	3504	Új megrendelés - 00905173088 CPTL árajánlat - egyenként 100.exe	calc.exe
PID 1500 wrote to memory of 2292	1500	calc.exe	iexplore.exe
PID 1500 wrote to memory of 2292	1500	calc.exe	iexplore.exe
PID 1500 wrote to memory of 2292	1500	calc.exe	iexplore.exe
PID 1500 wrote to memory of 2292	1500	calc.exe	iexplore.exe
PID 1500 wrote to memory of 2292	1500	calc.exe	iexplore.exe
PID 1500 wrote to memory of 2292	1500	calc.exe	iexplore.exe
PID 1500 wrote to memory of 2292	1500	calc.exe	iexplore.exe
PID 1500 wrote to memory of 2292	1500	calc.exe	iexplore.exe
PID 2292 wrote to memory of 1992	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1992	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1992	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1992	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1992	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1992	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1992	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1992	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1140	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1140	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1140	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1140	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1140	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1140	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1140	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1140	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 2232	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 2232	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 2232	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 2232	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 2232	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 2232	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 2232	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 2232	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 2232	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 2696	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 2696	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 2696	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 2696	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 2696	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 2696	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 2696	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 2696	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 2696	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 3048	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 3048	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 3048	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 3048	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 3048	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 3048	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 3048	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 3048	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 3048	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1324	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1324	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1324	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1324	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1324	2292	iexplore.exe	iexplore.exe
PID 2292 wrote to memory of 1324	2292	iexplore.exe	iexplore.exe

C:\Users\Admin\AppData\Local\Temp\Új megrendelés - 00905173088 CPTL árajánlat - egyenként 100.exe
"C:\Users\Admin\AppData\Local\Temp\Új megrendelés - 00905173088 CPTL árajánlat - egyenként 100.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3504

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SYSWOW64\calc.exe"
2⤵
- UAC bypass
- Windows security bypass
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1500

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Windows\SysWOW64\calc.exe
3⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2292

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\A6G228Q5-H8G1-F1T6-U4K6-C1J007E2X0Y8\ykgkuwaup0.txt"
4⤵
PID:1992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 84
5⤵
- Program crash
PID:4048

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\A6G228Q5-H8G1-F1T6-U4K6-C1J007E2X0Y8\ykgkuwaup0.txt"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1140

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\A6G228Q5-H8G1-F1T6-U4K6-C1J007E2X0Y8\ykgkuwaup1.txt"
4⤵
PID:2232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 156
5⤵
- Program crash
PID:2636

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\A6G228Q5-H8G1-F1T6-U4K6-C1J007E2X0Y8\ykgkuwaup1.txt"
4⤵
- Accesses Microsoft Outlook accounts
PID:2696

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\A6G228Q5-H8G1-F1T6-U4K6-C1J007E2X0Y8\ykgkuwaup2.txt"
4⤵
- Suspicious behavior: EnumeratesProcesses
PID:3048

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\A6G228Q5-H8G1-F1T6-U4K6-C1J007E2X0Y8\ykgkuwaup3.txt"
4⤵
PID:1324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1324 -s 84
5⤵
- Program crash
PID:1236

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\A6G228Q5-H8G1-F1T6-U4K6-C1J007E2X0Y8\ykgkuwaup3.txt"
4⤵
PID:2980

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\A6G228Q5-H8G1-F1T6-U4K6-C1J007E2X0Y8\ykgkuwaup4.txt"
4⤵
PID:1516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1992 -ip 1992
1⤵
PID:2348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2232 -ip 2232
1⤵
PID:2908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1324 -ip 1324
1⤵
PID:3088

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Email Collection