3967b6142d993dc3f9e2c85a1a65c0db56c612362789e42a92872789e2ad54cd

Analysis

max time kernel
14s
max time network
22s
platform
windows7_x64
resource
win7
submitted
07-09-2020 08:19

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Reason

Machine shutdown

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General

Target

bdb77b2f35c0f3e79853ea7f8bdf5b29.in.exe
Size

14KB
MD5

bdb77b2f35c0f3e79853ea7f8bdf5b29
SHA1

72de04ee453d053c98ee3047574b0cf6c23b0d33
SHA256

4d27264a659cc593d5c936a36942835450b97aacf12b7b1673dc1afc01b420ef
SHA512

c2bb90612d76c3f572c1c62c9ecb1abf9581aebfcf07f459ad79bc7910480e6f5628af8f1deed54162ad070d759b2f237cadd2ce17c21318f275e8793d06ae74

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

bdb77b2f35c0f3e79853ea7f8bdf5b29.in.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\Run = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4fywvjly.tu5.exe"	bdb77b2f35c0f3e79853ea7f8bdf5b29.in.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

shutdown.exe

description pid process

Token: SeShutdownPrivilege 1764 shutdown.exe
Token: SeRemoteShutdownPrivilege 1764 shutdown.exe

description	pid	process
Token: SeShutdownPrivilege	1764	shutdown.exe
Token: SeRemoteShutdownPrivilege	1764	shutdown.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

bdb77b2f35c0f3e79853ea7f8bdf5b29.in.execmd.exe

description	pid	process	target process
PID 1460 wrote to memory of 1788	1460	bdb77b2f35c0f3e79853ea7f8bdf5b29.in.exe	cmd.exe
PID 1460 wrote to memory of 1788	1460	bdb77b2f35c0f3e79853ea7f8bdf5b29.in.exe	cmd.exe
PID 1460 wrote to memory of 1788	1460	bdb77b2f35c0f3e79853ea7f8bdf5b29.in.exe	cmd.exe
PID 1788 wrote to memory of 1764	1788	cmd.exe	shutdown.exe
PID 1788 wrote to memory of 1764	1788	cmd.exe	shutdown.exe
PID 1788 wrote to memory of 1764	1788	cmd.exe	shutdown.exe

C:\Users\Admin\AppData\Local\Temp\bdb77b2f35c0f3e79853ea7f8bdf5b29.in.exe
"C:\Users\Admin\AppData\Local\Temp\bdb77b2f35c0f3e79853ea7f8bdf5b29.in.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1460

C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\m5u0uccp.na0.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:1788

C:\Windows\system32\shutdown.exe
shutdown /f /r /t 0
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1764

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1120

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:524

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\m5u0uccp.na0.bat

Download Submit
memory/1460-0-0x000007FEF58D0000-0x000007FEF62BC000-memory.dmp

Filesize
9.9MB

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memory/1460-1-0x0000000000C70000-0x0000000000C71000-memory.dmp

Filesize
4KB

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memory/1764-5-0x0000000000000000-mapping.dmp

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memory/1788-3-0x0000000000000000-mapping.dmp

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