cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e

General

Target

cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe
Size

228KB
MD5

0a6678f8421116ddd57ea116c104b062
SHA1

514b5eaa79e2ac1049d09ecce555a59e9ea388e1
SHA256

cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e
SHA512

82ff67dcd5bf7ac3b5286248ee3a0105bcaacb4d3cd6387c4bdb99877017bd46efa250d6286d802a59502a59475bbb00590173d64dccadbc592ceea151294ec2
SSDEEP

6144:MBO8MDptfN0zKcOOYHliCBQb+F/irkJbj9DvD:h8MrqKckl9eyFuubj9DvD

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 5 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\explorer.exe = "C:\\Windows\\SysWOW64\\explorer.exe:*:Enabled:Windows Explorer"	explorer.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\system32\taskhost.exe = "C:\\Windows\\system32\\taskhost.exe:*:Enabled:Host Process for Windows Tasks"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\system32\taskhostex.exe = "C:\\Windows\\system32\\taskhostex.exe:*:Enabled:Host Process for Windows Tasks"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\explorer.exe = "C:\\Windows\\explorer.exe:*:Enabled:Windows Explorer"	explorer.exe

Executes dropped EXE 2 IoCs

Processes:

evil.exeevil.exe

pid process

1488 evil.exe
1336 evil.exe
Deletes itself 1 IoCs

Processes:

explorer.exe

pid process

1172 explorer.exe
Loads dropped DLL 1 IoCs

Processes:

cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe

pid process

872 cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe

pid	process
1488	evil.exe
1336	evil.exe

pid	process
1172	explorer.exe

pid	process
872	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\Currentversion\Run	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\{DEFDA942-3542-2BDE-90F5-6F0EBF05DDED} = "C:\\Users\\Admin\\AppData\\Roaming\\Ipys\\evil.exe"	explorer.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exeevil.exe

description	pid	process	target process
PID 1016 set thread context of 872	1016	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe
PID 1488 set thread context of 1336	1488	evil.exe	evil.exe

NTFS ADS 1 IoCs

Processes:

WinMail.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Local Folders\Inbox\186F39D0-00000001.eml:OECustomProperty	WinMail.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exeevil.exeevil.exeexplorer.exe

pid	process
1016	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe
1016	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe
1488	evil.exe
1488	evil.exe
1336	evil.exe
1336	evil.exe
1172	explorer.exe
1172	explorer.exe
1172	explorer.exe
1172	explorer.exe
1172	explorer.exe
1172	explorer.exe
1172	explorer.exe
1172	explorer.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

evil.exe

pid process

1336 evil.exe

pid	process
1336	evil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exeWinMail.exe

description	pid	process
Token: SeSecurityPrivilege	872	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe
Token: SeManageVolumePrivilege	572	WinMail.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

WinMail.exe

pid process

572 WinMail.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

WinMail.exe

pid process

572 WinMail.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

WinMail.exe

pid process

572 WinMail.exe

pid	process
572	WinMail.exe

pid	process
572	WinMail.exe

pid	process
572	WinMail.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.execca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exeevil.exeevil.exeexplorer.exe

description	pid	process	target process
PID 1016 wrote to memory of 872	1016	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe
PID 1016 wrote to memory of 872	1016	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe
PID 1016 wrote to memory of 872	1016	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe
PID 1016 wrote to memory of 872	1016	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe
PID 1016 wrote to memory of 872	1016	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe
PID 1016 wrote to memory of 872	1016	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe
PID 1016 wrote to memory of 872	1016	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe
PID 1016 wrote to memory of 872	1016	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe
PID 1016 wrote to memory of 872	1016	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe
PID 1016 wrote to memory of 872	1016	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe
PID 872 wrote to memory of 1488	872	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe	evil.exe
PID 872 wrote to memory of 1488	872	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe	evil.exe
PID 872 wrote to memory of 1488	872	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe	evil.exe
PID 872 wrote to memory of 1488	872	cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe	evil.exe
PID 1488 wrote to memory of 1336	1488	evil.exe	evil.exe
PID 1488 wrote to memory of 1336	1488	evil.exe	evil.exe
PID 1488 wrote to memory of 1336	1488	evil.exe	evil.exe
PID 1488 wrote to memory of 1336	1488	evil.exe	evil.exe
PID 1488 wrote to memory of 1336	1488	evil.exe	evil.exe
PID 1488 wrote to memory of 1336	1488	evil.exe	evil.exe
PID 1488 wrote to memory of 1336	1488	evil.exe	evil.exe
PID 1488 wrote to memory of 1336	1488	evil.exe	evil.exe
PID 1488 wrote to memory of 1336	1488	evil.exe	evil.exe
PID 1488 wrote to memory of 1336	1488	evil.exe	evil.exe
PID 1336 wrote to memory of 1172	1336	evil.exe	explorer.exe
PID 1336 wrote to memory of 1172	1336	evil.exe	explorer.exe
PID 1336 wrote to memory of 1172	1336	evil.exe	explorer.exe
PID 1336 wrote to memory of 1172	1336	evil.exe	explorer.exe
PID 1172 wrote to memory of 1264	1172	explorer.exe	Explorer.EXE
PID 1172 wrote to memory of 1264	1172	explorer.exe	Explorer.EXE
PID 1172 wrote to memory of 1264	1172	explorer.exe	Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe
"C:\Users\Admin\AppData\Local\Temp\cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1016

C:\Users\Admin\AppData\Local\Temp\cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe
"C:\Users\Admin\AppData\Local\Temp\cca05751903294ebd93629d331d25bfd2706bbc07ff4ed121141855862f4658e.exe"
2⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:872

C:\Users\Admin\AppData\Roaming\Ipys\evil.exe
"C:\Users\Admin\AppData\Roaming\Ipys\evil.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1488

C:\Users\Admin\AppData\Roaming\Ipys\evil.exe
"C:\Users\Admin\AppData\Roaming\Ipys\evil.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1336

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
5⤵
- Modifies firewall policy service
- Deletes itself
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1264

C:\Program Files\Windows Mail\WinMail.exe
"C:\Program Files\Windows Mail\WinMail.exe" -Embedding
1⤵
- NTFS ADS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:572

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\AppData\Roaming\Ipys\evil.exe

Filesize
228KB

MD5
a0725d5d7ac096fe42666fb0485a3164

SHA1
32b9bb8912a5677e669796827294224754a1fc89

SHA256
bca4a6c98d2f8f73c405219d1341def2690aeb290a90a9b2f2954d7d77c838aa

SHA512
9a1cb7325eaa0a8a159d30b6ad10c2d56bf9b43ca2f9c0eb24b9f3aff76bb86c0d1d2a7c7866a0d222b319fb6f72f9c532e552b0af10906114a82861455eb456

Download Submit
C:\Users\Admin\AppData\Roaming\Ipys\evil.exe

Filesize
228KB

MD5
a0725d5d7ac096fe42666fb0485a3164

SHA1
32b9bb8912a5677e669796827294224754a1fc89

SHA256
bca4a6c98d2f8f73c405219d1341def2690aeb290a90a9b2f2954d7d77c838aa

SHA512
9a1cb7325eaa0a8a159d30b6ad10c2d56bf9b43ca2f9c0eb24b9f3aff76bb86c0d1d2a7c7866a0d222b319fb6f72f9c532e552b0af10906114a82861455eb456

Download Submit
C:\Users\Admin\AppData\Roaming\Ipys\evil.exe

Filesize
228KB

MD5
a0725d5d7ac096fe42666fb0485a3164

SHA1
32b9bb8912a5677e669796827294224754a1fc89

SHA256
bca4a6c98d2f8f73c405219d1341def2690aeb290a90a9b2f2954d7d77c838aa

SHA512
9a1cb7325eaa0a8a159d30b6ad10c2d56bf9b43ca2f9c0eb24b9f3aff76bb86c0d1d2a7c7866a0d222b319fb6f72f9c532e552b0af10906114a82861455eb456

Download Submit
\Users\Admin\AppData\Roaming\Ipys\evil.exe

Filesize
228KB

MD5
a0725d5d7ac096fe42666fb0485a3164

SHA1
32b9bb8912a5677e669796827294224754a1fc89

SHA256
bca4a6c98d2f8f73c405219d1341def2690aeb290a90a9b2f2954d7d77c838aa

SHA512
9a1cb7325eaa0a8a159d30b6ad10c2d56bf9b43ca2f9c0eb24b9f3aff76bb86c0d1d2a7c7866a0d222b319fb6f72f9c532e552b0af10906114a82861455eb456

Download Submit
memory/572-108-0x0000000002180000-0x0000000002190000-memory.dmp

Filesize
64KB

Download
memory/572-102-0x0000000001E90000-0x0000000001EA0000-memory.dmp

Filesize
64KB

Download
memory/572-101-0x000007FEF66A1000-0x000007FEF66A3000-memory.dmp

Filesize
8KB

Download
memory/572-100-0x000007FEFBE41000-0x000007FEFBE43000-memory.dmp

Filesize
8KB

Download
memory/872-65-0x00000000004037FF-mapping.dmp

Download
memory/872-99-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/872-69-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/872-71-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/872-72-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/872-55-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/872-68-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/872-56-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/872-58-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/872-64-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/872-62-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/872-60-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1016-54-0x00000000764D1000-0x00000000764D3000-memory.dmp

Filesize
8KB

Download
memory/1016-67-0x0000000000230000-0x000000000024D000-memory.dmp

Filesize
116KB

Download
memory/1172-97-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1172-95-0x0000000074D01000-0x0000000074D03000-memory.dmp

Filesize
8KB

Download
memory/1172-93-0x0000000000000000-mapping.dmp

Download
memory/1336-96-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1336-98-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1336-87-0x00000000004037FF-mapping.dmp

Download
memory/1488-74-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads