81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b

General

Target

81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe
Size

548KB
MD5

2bc0356986bda4a28e16a5b8b137cc57
SHA1

1de52df17c2dd05362e0eccf22ebff49c3b81f58
SHA256

81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b
SHA512

235e794cdc7617c0bfb9b17944d1eb27212609067f92851588aa034c8d5f73b13fe0abc9c6952f6b39ef0fe467aa6a48918a432b52fbc42853212d9b7f4092b4
SSDEEP

12288:PVJpPb5vKVJDD3E6EIuH7ElI0w52ZJ4UJPJJxobhU1+V:PtNKLEIuHyz114

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\M-52849205209409204980245\winmgr.exe = "C:\\Users\\Admin\\M-52849205209409204980245\\winmgr.exe:*:Enabled:Microsoft Windows Manager"	81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe

Executes dropped EXE 2 IoCs

Processes:

winmgr.exewinmgr.exe

pid process

220 winmgr.exe
4028 winmgr.exe

pid	process
220	winmgr.exe
4028	winmgr.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\	81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Manager = "C:\\Users\\Admin\\M-52849205209409204980245\\winmgr.exe"	81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exewinmgr.exe

description	pid	process	target process
PID 4956 set thread context of 100	4956	81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe	81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe
PID 220 set thread context of 4028	220	winmgr.exe	winmgr.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exewinmgr.exe

pid process

4956 81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe
220 winmgr.exe

Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exewinmgr.exe

pid	process
4956	81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe
4956	81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe
220	winmgr.exe
220	winmgr.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exewinmgr.exe

description	pid	process	target process
PID 4956 wrote to memory of 100	4956	81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe	81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe
PID 4956 wrote to memory of 100	4956	81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe	81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe
PID 4956 wrote to memory of 100	4956	81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe	81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe
PID 100 wrote to memory of 220	100	81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe	winmgr.exe
PID 100 wrote to memory of 220	100	81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe	winmgr.exe
PID 100 wrote to memory of 220	100	81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe	winmgr.exe
PID 220 wrote to memory of 4028	220	winmgr.exe	winmgr.exe
PID 220 wrote to memory of 4028	220	winmgr.exe	winmgr.exe
PID 220 wrote to memory of 4028	220	winmgr.exe	winmgr.exe

C:\Users\Admin\AppData\Local\Temp\81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe
"C:\Users\Admin\AppData\Local\Temp\81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Users\Admin\AppData\Local\Temp\81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe
  "C:\Users\Admin\AppData\Local\Temp\81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b.exe"
  2⤵
  - Modifies firewall policy service
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:100
- - C:\Users\Admin\M-52849205209409204980245\winmgr.exe
    C:\Users\Admin\M-52849205209409204980245\winmgr.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:220
  - - C:\Users\Admin\M-52849205209409204980245\winmgr.exe
      C:\Users\Admin\M-52849205209409204980245\winmgr.exe
      4⤵
      Executes dropped EXE
      PID:4028

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\M-52849205209409204980245\winmgr.exe

Filesize
548KB

MD5
2bc0356986bda4a28e16a5b8b137cc57

SHA1
1de52df17c2dd05362e0eccf22ebff49c3b81f58

SHA256
81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b

SHA512
235e794cdc7617c0bfb9b17944d1eb27212609067f92851588aa034c8d5f73b13fe0abc9c6952f6b39ef0fe467aa6a48918a432b52fbc42853212d9b7f4092b4

Download Submit
C:\Users\Admin\M-52849205209409204980245\winmgr.exe

Filesize
548KB

MD5
2bc0356986bda4a28e16a5b8b137cc57

SHA1
1de52df17c2dd05362e0eccf22ebff49c3b81f58

SHA256
81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b

SHA512
235e794cdc7617c0bfb9b17944d1eb27212609067f92851588aa034c8d5f73b13fe0abc9c6952f6b39ef0fe467aa6a48918a432b52fbc42853212d9b7f4092b4

Download Submit
C:\Users\Admin\M-52849205209409204980245\winmgr.exe

Filesize
548KB

MD5
2bc0356986bda4a28e16a5b8b137cc57

SHA1
1de52df17c2dd05362e0eccf22ebff49c3b81f58

SHA256
81e61437b38804c696ed37e590876bd626220f8f1756e6f29a1648d166ff399b

SHA512
235e794cdc7617c0bfb9b17944d1eb27212609067f92851588aa034c8d5f73b13fe0abc9c6952f6b39ef0fe467aa6a48918a432b52fbc42853212d9b7f4092b4

Download Submit
memory/100-132-0x0000000000000000-mapping.dmp

Download
memory/100-133-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/220-134-0x0000000000000000-mapping.dmp

Download
memory/4028-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads