e6664f4dc05ada4dbb64eddc1fd5c2ef57214a83c55bfe65195d07adf17bcaca

Analysis

max time kernel
126s
max time network
114s
platform
windows10_x64
resource
win10v200722
submitted
13/10/2020, 08:21

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General

Target
05ca79f28634afedc9c48305c9e5bef0.exe
Size 699KB
Sample201013-ksb2sbjb7s
SHA256 e6664f4dc05ada4dbb64eddc1fd5c2ef57214a83c55bfe65195d07adf17bcaca
MD5 05ca79f28634afedc9c48305c9e5bef0
SHA1 9206ee77e5f7cd48125ce93e257e97ee0952020c
SHA512 0097de4a34c88d747f5772e26514b804de033c2ad716e9a6972b77cb0374ab12abb03c5f0cd71c0cfb7531d03fa7e7c7ce814edff8b74265be21d6c9940fc29e
MD5 SHA1 SHA512

Score

10^/10

evasion trojan

Malware Config

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs
evasion trojan

Modify Registry
T1112

Modify Existing Service
T1031

Disabling Security Tools
T1089

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	05ca79f28634afedc9c48305c9e5bef0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	05ca79f28634afedc9c48305c9e5bef0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3056 set thread context of 2640	3056	05ca79f28634afedc9c48305c9e5bef0.exe	79

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
188	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3400	powershell.exe
3400	powershell.exe
3400	powershell.exe
2640	05ca79f28634afedc9c48305c9e5bef0.exe
2640	05ca79f28634afedc9c48305c9e5bef0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3400	powershell.exe
Token: SeDebugPrivilege	2640	05ca79f28634afedc9c48305c9e5bef0.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 3400	3056	05ca79f28634afedc9c48305c9e5bef0.exe	75
PID 3056 wrote to memory of 3400	3056	05ca79f28634afedc9c48305c9e5bef0.exe	75
PID 3056 wrote to memory of 3400	3056	05ca79f28634afedc9c48305c9e5bef0.exe	75
PID 3056 wrote to memory of 188	3056	05ca79f28634afedc9c48305c9e5bef0.exe	77
PID 3056 wrote to memory of 188	3056	05ca79f28634afedc9c48305c9e5bef0.exe	77
PID 3056 wrote to memory of 188	3056	05ca79f28634afedc9c48305c9e5bef0.exe	77
PID 3056 wrote to memory of 2640	3056	05ca79f28634afedc9c48305c9e5bef0.exe	79
PID 3056 wrote to memory of 2640	3056	05ca79f28634afedc9c48305c9e5bef0.exe	79
PID 3056 wrote to memory of 2640	3056	05ca79f28634afedc9c48305c9e5bef0.exe	79
PID 3056 wrote to memory of 2640	3056	05ca79f28634afedc9c48305c9e5bef0.exe	79
PID 3056 wrote to memory of 2640	3056	05ca79f28634afedc9c48305c9e5bef0.exe	79
PID 3056 wrote to memory of 2640	3056	05ca79f28634afedc9c48305c9e5bef0.exe	79
PID 3056 wrote to memory of 2640	3056	05ca79f28634afedc9c48305c9e5bef0.exe	79
PID 3056 wrote to memory of 2640	3056	05ca79f28634afedc9c48305c9e5bef0.exe	79

C:\Users\Admin\AppData\Local\Temp\05ca79f28634afedc9c48305c9e5bef0.exe
"C:\Users\Admin\AppData\Local\Temp\05ca79f28634afedc9c48305c9e5bef0.exe"
1⤵
- Windows security modification
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Get-MpPreference -verbose
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3400
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KsXneWkIoY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp85AB.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:188
- C:\Users\Admin\AppData\Local\Temp\05ca79f28634afedc9c48305c9e5bef0.exe
  "C:\Users\Admin\AppData\Local\Temp\05ca79f28634afedc9c48305c9e5bef0.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2640

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Modify Existing Service

T1031

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2640-28-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/3400-10-0x0000000008040000-0x0000000008041000-memory.dmp

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memory/3400-21-0x00000000092D0000-0x00000000092D1000-memory.dmp

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memory/3400-7-0x0000000007970000-0x0000000007971000-memory.dmp

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memory/3400-8-0x00000000076B0000-0x00000000076B1000-memory.dmp

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memory/3400-9-0x0000000008220000-0x0000000008221000-memory.dmp

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memory/3400-12-0x0000000008FD0000-0x0000000009003000-memory.dmp

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memory/3400-19-0x0000000008FB0000-0x0000000008FB1000-memory.dmp

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memory/3400-20-0x0000000009110000-0x0000000009111000-memory.dmp

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memory/3400-6-0x0000000006F90000-0x0000000006F91000-memory.dmp

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memory/3400-22-0x0000000009280000-0x0000000009281000-memory.dmp

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memory/3400-24-0x0000000009270000-0x0000000009271000-memory.dmp

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memory/3400-5-0x0000000006F20000-0x0000000006F21000-memory.dmp

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memory/3400-4-0x0000000006D80000-0x0000000006D81000-memory.dmp

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memory/3400-3-0x0000000007060000-0x0000000007061000-memory.dmp

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memory/3400-2-0x0000000001120000-0x0000000001121000-memory.dmp

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memory/3400-1-0x0000000071BC0000-0x00000000722AE000-memory.dmp

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