amadey | b6841714052eb97eca2791c33a49e5f78dbcb1a39c2a9fd7401465f6da1fb30c

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation	CAC2.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation	CAC2.exe

Executes dropped EXE 12 IoCs

pid	Process
5036	CAC2.exe
1272	CAC2.exe
2828	CAC2.exe
232	CAC2.exe
3700	build2.exe
4180	build2.exe
3484	build3.exe
4956	1FC9.exe
4140	2102.exe
3824	220D.exe
1080	1FC9.exe
2500	2102.exe

Loads dropped DLL 2 IoCs

pid	Process
4180	build2.exe
4180	build2.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4964	icacls.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\1d810014-ae17-43c2-83dc-e3a8bf9f6eb7\\CAC2.exe\" --AutoStart"	CAC2.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 10 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
46	api.2ip.ua
69	api.2ip.ua
72	api.2ip.ua
78	api.2ip.ua
98	api.2ip.ua
34	api.2ip.ua
35	api.2ip.ua
90	api.2ip.ua
70	api.2ip.ua
79	api.2ip.ua

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 5036 set thread context of 1272	5036	CAC2.exe	94
PID 2828 set thread context of 232	2828	CAC2.exe	99
PID 3700 set thread context of 4180	3700	build2.exe	101
PID 4956 set thread context of 1080	4956	1FC9.exe	109
PID 4140 set thread context of 2500	4140	2102.exe	110

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	80bd2aa57939a3d23aa8537f7447d5f19ec62141c17e72d410f73e22d33ac8e8.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	80bd2aa57939a3d23aa8537f7447d5f19ec62141c17e72d410f73e22d33ac8e8.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	80bd2aa57939a3d23aa8537f7447d5f19ec62141c17e72d410f73e22d33ac8e8.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build2.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	build2.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

pid	Process
2796	schtasks.exe
4216	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5016	80bd2aa57939a3d23aa8537f7447d5f19ec62141c17e72d410f73e22d33ac8e8.exe
5016	80bd2aa57939a3d23aa8537f7447d5f19ec62141c17e72d410f73e22d33ac8e8.exe
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found
3192	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
5016	80bd2aa57939a3d23aa8537f7447d5f19ec62141c17e72d410f73e22d33ac8e8.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3192	Process not Found
Token: SeCreatePagefilePrivilege	3192	Process not Found
Token: SeShutdownPrivilege	3192	Process not Found
Token: SeCreatePagefilePrivilege	3192	Process not Found
Token: SeShutdownPrivilege	3192	Process not Found
Token: SeCreatePagefilePrivilege	3192	Process not Found
Token: SeShutdownPrivilege	3192	Process not Found
Token: SeCreatePagefilePrivilege	3192	Process not Found
Token: SeShutdownPrivilege	3192	Process not Found
Token: SeCreatePagefilePrivilege	3192	Process not Found
Token: SeShutdownPrivilege	3192	Process not Found
Token: SeCreatePagefilePrivilege	3192	Process not Found
Token: SeShutdownPrivilege	3192	Process not Found
Token: SeCreatePagefilePrivilege	3192	Process not Found
Token: SeShutdownPrivilege	3192	Process not Found
Token: SeCreatePagefilePrivilege	3192	Process not Found
Token: SeShutdownPrivilege	3192	Process not Found
Token: SeCreatePagefilePrivilege	3192	Process not Found

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3192 wrote to memory of 5036	3192	Process not Found	93
PID 3192 wrote to memory of 5036	3192	Process not Found	93
PID 3192 wrote to memory of 5036	3192	Process not Found	93
PID 5036 wrote to memory of 1272	5036	CAC2.exe	94
PID 5036 wrote to memory of 1272	5036	CAC2.exe	94
PID 5036 wrote to memory of 1272	5036	CAC2.exe	94
PID 5036 wrote to memory of 1272	5036	CAC2.exe	94
PID 5036 wrote to memory of 1272	5036	CAC2.exe	94
PID 5036 wrote to memory of 1272	5036	CAC2.exe	94
PID 5036 wrote to memory of 1272	5036	CAC2.exe	94
PID 5036 wrote to memory of 1272	5036	CAC2.exe	94
PID 5036 wrote to memory of 1272	5036	CAC2.exe	94
PID 5036 wrote to memory of 1272	5036	CAC2.exe	94
PID 1272 wrote to memory of 4964	1272	CAC2.exe	95
PID 1272 wrote to memory of 4964	1272	CAC2.exe	95
PID 1272 wrote to memory of 4964	1272	CAC2.exe	95
PID 1272 wrote to memory of 2828	1272	CAC2.exe	96
PID 1272 wrote to memory of 2828	1272	CAC2.exe	96
PID 1272 wrote to memory of 2828	1272	CAC2.exe	96
PID 2828 wrote to memory of 232	2828	CAC2.exe	99
PID 2828 wrote to memory of 232	2828	CAC2.exe	99
PID 2828 wrote to memory of 232	2828	CAC2.exe	99
PID 2828 wrote to memory of 232	2828	CAC2.exe	99
PID 2828 wrote to memory of 232	2828	CAC2.exe	99
PID 2828 wrote to memory of 232	2828	CAC2.exe	99
PID 2828 wrote to memory of 232	2828	CAC2.exe	99
PID 2828 wrote to memory of 232	2828	CAC2.exe	99
PID 2828 wrote to memory of 232	2828	CAC2.exe	99
PID 2828 wrote to memory of 232	2828	CAC2.exe	99
PID 232 wrote to memory of 3700	232	CAC2.exe	100
PID 232 wrote to memory of 3700	232	CAC2.exe	100
PID 232 wrote to memory of 3700	232	CAC2.exe	100
PID 3700 wrote to memory of 4180	3700	build2.exe	101
PID 3700 wrote to memory of 4180	3700	build2.exe	101
PID 3700 wrote to memory of 4180	3700	build2.exe	101
PID 3700 wrote to memory of 4180	3700	build2.exe	101
PID 3700 wrote to memory of 4180	3700	build2.exe	101
PID 3700 wrote to memory of 4180	3700	build2.exe	101
PID 3700 wrote to memory of 4180	3700	build2.exe	101
PID 3700 wrote to memory of 4180	3700	build2.exe	101
PID 3700 wrote to memory of 4180	3700	build2.exe	101
PID 232 wrote to memory of 3484	232	CAC2.exe	103
PID 232 wrote to memory of 3484	232	CAC2.exe	103
PID 232 wrote to memory of 3484	232	CAC2.exe	103
PID 3484 wrote to memory of 2796	3484	build3.exe	104
PID 3484 wrote to memory of 2796	3484	build3.exe	104
PID 3484 wrote to memory of 2796	3484	build3.exe	104
PID 3192 wrote to memory of 4956	3192	Process not Found	106
PID 3192 wrote to memory of 4956	3192	Process not Found	106
PID 3192 wrote to memory of 4956	3192	Process not Found	106
PID 3192 wrote to memory of 4140	3192	Process not Found	107
PID 3192 wrote to memory of 4140	3192	Process not Found	107
PID 3192 wrote to memory of 4140	3192	Process not Found	107
PID 3192 wrote to memory of 3824	3192	Process not Found	108
PID 3192 wrote to memory of 3824	3192	Process not Found	108
PID 3192 wrote to memory of 3824	3192	Process not Found	108
PID 4956 wrote to memory of 1080	4956	1FC9.exe	109
PID 4956 wrote to memory of 1080	4956	1FC9.exe	109
PID 4956 wrote to memory of 1080	4956	1FC9.exe	109
PID 4956 wrote to memory of 1080	4956	1FC9.exe	109
PID 4956 wrote to memory of 1080	4956	1FC9.exe	109
PID 4956 wrote to memory of 1080	4956	1FC9.exe	109
PID 4956 wrote to memory of 1080	4956	1FC9.exe	109
PID 4956 wrote to memory of 1080	4956	1FC9.exe	109

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.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\80bd2aa57939a3d23aa8537f7447d5f19ec62141c17e72d410f73e22d33ac8e8.exe
"C:\Users\Admin\AppData\Local\Temp\80bd2aa57939a3d23aa8537f7447d5f19ec62141c17e72d410f73e22d33ac8e8.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:5016

C:\Users\Admin\AppData\Local\Temp\CAC2.exe
C:\Users\Admin\AppData\Local\Temp\CAC2.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5036
- C:\Users\Admin\AppData\Local\Temp\CAC2.exe
  C:\Users\Admin\AppData\Local\Temp\CAC2.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1272
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\1d810014-ae17-43c2-83dc-e3a8bf9f6eb7" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:4964
- - C:\Users\Admin\AppData\Local\Temp\CAC2.exe
    "C:\Users\Admin\AppData\Local\Temp\CAC2.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2828
  - - C:\Users\Admin\AppData\Local\Temp\CAC2.exe
      "C:\Users\Admin\AppData\Local\Temp\CAC2.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:232
    - - C:\Users\Admin\AppData\Local\58f71b7d-f8f9-4cc1-a6ad-5b91be1adc18\build2.exe
        
        "C:\Users\Admin\AppData\Local\58f71b7d-f8f9-4cc1-a6ad-5b91be1adc18\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:3700
      - C:\Users\Admin\AppData\Local\58f71b7d-f8f9-4cc1-a6ad-5b91be1adc18\build2.exe
        
        "C:\Users\Admin\AppData\Local\58f71b7d-f8f9-4cc1-a6ad-5b91be1adc18\build2.exe"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Checks processor information in registry
        
        PID:4180
    - - C:\Users\Admin\AppData\Local\58f71b7d-f8f9-4cc1-a6ad-5b91be1adc18\build3.exe
        
        "C:\Users\Admin\AppData\Local\58f71b7d-f8f9-4cc1-a6ad-5b91be1adc18\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:3484
      - C:\Windows\SysWOW64\schtasks.exe
        
        /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
        6⤵
        Creates scheduled task(s)
        
        PID:2796

C:\Users\Admin\AppData\Local\Temp\1FC9.exe
C:\Users\Admin\AppData\Local\Temp\1FC9.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Users\Admin\AppData\Local\Temp\1FC9.exe
  C:\Users\Admin\AppData\Local\Temp\1FC9.exe
  2⤵
  - Executes dropped EXE
  PID:1080
- - C:\Users\Admin\AppData\Local\Temp\1FC9.exe
    "C:\Users\Admin\AppData\Local\Temp\1FC9.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    PID:3060
  - - C:\Users\Admin\AppData\Local\Temp\1FC9.exe
      "C:\Users\Admin\AppData\Local\Temp\1FC9.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      PID:4584
    - - C:\Users\Admin\AppData\Local\2a1053b9-12d1-433d-8c1a-60e3a0b05b74\build2.exe
        
        "C:\Users\Admin\AppData\Local\2a1053b9-12d1-433d-8c1a-60e3a0b05b74\build2.exe"
        5⤵
        
        PID:1436
      - C:\Users\Admin\AppData\Local\2a1053b9-12d1-433d-8c1a-60e3a0b05b74\build2.exe
        
        "C:\Users\Admin\AppData\Local\2a1053b9-12d1-433d-8c1a-60e3a0b05b74\build2.exe"
        6⤵
        
        PID:5112
    - - C:\Users\Admin\AppData\Local\2a1053b9-12d1-433d-8c1a-60e3a0b05b74\build3.exe
        
        "C:\Users\Admin\AppData\Local\2a1053b9-12d1-433d-8c1a-60e3a0b05b74\build3.exe"
        5⤵
        
        PID:1104

C:\Users\Admin\AppData\Local\Temp\2102.exe
C:\Users\Admin\AppData\Local\Temp\2102.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:4140
- C:\Users\Admin\AppData\Local\Temp\2102.exe
  C:\Users\Admin\AppData\Local\Temp\2102.exe
  2⤵
  - Executes dropped EXE
  PID:2500
- - C:\Users\Admin\AppData\Local\Temp\2102.exe
    "C:\Users\Admin\AppData\Local\Temp\2102.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    PID:4600
  - - C:\Users\Admin\AppData\Local\Temp\2102.exe
      "C:\Users\Admin\AppData\Local\Temp\2102.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      PID:1964
    - - C:\Users\Admin\AppData\Local\5ca6f9b1-a8a7-462e-aa23-efa9d449161b\build2.exe
        
        "C:\Users\Admin\AppData\Local\5ca6f9b1-a8a7-462e-aa23-efa9d449161b\build2.exe"
        5⤵
        
        PID:2328
      - C:\Users\Admin\AppData\Local\5ca6f9b1-a8a7-462e-aa23-efa9d449161b\build2.exe
        
        "C:\Users\Admin\AppData\Local\5ca6f9b1-a8a7-462e-aa23-efa9d449161b\build2.exe"
        6⤵
        
        PID:1928
    - - C:\Users\Admin\AppData\Local\5ca6f9b1-a8a7-462e-aa23-efa9d449161b\build3.exe
        
        "C:\Users\Admin\AppData\Local\5ca6f9b1-a8a7-462e-aa23-efa9d449161b\build3.exe"
        5⤵
        
        PID:2876
      - C:\Windows\SysWOW64\schtasks.exe
        
        /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
        6⤵
        Creates scheduled task(s)
        
        PID:4216

C:\Users\Admin\AppData\Local\Temp\220D.exe
C:\Users\Admin\AppData\Local\Temp\220D.exe
1⤵
- Executes dropped EXE
PID:3824
- C:\Users\Admin\AppData\Local\Temp\220D.exe
  C:\Users\Admin\AppData\Local\Temp\220D.exe
  2⤵
  PID:4516
- - C:\Users\Admin\AppData\Local\Temp\220D.exe
    "C:\Users\Admin\AppData\Local\Temp\220D.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    PID:3236
  - - C:\Users\Admin\AppData\Local\Temp\220D.exe
      "C:\Users\Admin\AppData\Local\Temp\220D.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      PID:4744

C:\Users\Admin\AppData\Local\Temp\411A.exe
C:\Users\Admin\AppData\Local\Temp\411A.exe
1⤵
PID:2268
- C:\Users\Admin\AppData\Local\Temp\411A.exe
  C:\Users\Admin\AppData\Local\Temp\411A.exe
  2⤵
  PID:4808
- - C:\Users\Admin\AppData\Local\Temp\411A.exe
    "C:\Users\Admin\AppData\Local\Temp\411A.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    PID:4276

C:\Users\Admin\AppData\Local\Temp\7654.exe
C:\Users\Admin\AppData\Local\Temp\7654.exe
1⤵
PID:836
- C:\Users\Admin\AppData\Local\Temp\aafg31.exe
  "C:\Users\Admin\AppData\Local\Temp\aafg31.exe"
  2⤵
  PID:4888
- C:\Users\Admin\AppData\Local\Temp\oldplayer.exe
  "C:\Users\Admin\AppData\Local\Temp\oldplayer.exe"
  2⤵
  PID:3060
- C:\Users\Admin\AppData\Local\Temp\XandETC.exe
  "C:\Users\Admin\AppData\Local\Temp\XandETC.exe"
  2⤵
  PID:1180

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery