e6664f4dc05ada4dbb64eddc1fd5c2ef57214a83c55bfe65195d07adf17bcaca

Analysis

max time kernel
81s
max time network
19s
platform
windows7_x64
resource
win7v200722
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 1456 set thread context of 984	1456	05ca79f28634afedc9c48305c9e5bef0.exe	32

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
564	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1532	powershell.exe
1532	powershell.exe
984	05ca79f28634afedc9c48305c9e5bef0.exe
984	05ca79f28634afedc9c48305c9e5bef0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1532	powershell.exe
Token: SeDebugPrivilege	984	05ca79f28634afedc9c48305c9e5bef0.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 1532	1456	05ca79f28634afedc9c48305c9e5bef0.exe	28
PID 1456 wrote to memory of 1532	1456	05ca79f28634afedc9c48305c9e5bef0.exe	28
PID 1456 wrote to memory of 1532	1456	05ca79f28634afedc9c48305c9e5bef0.exe	28
PID 1456 wrote to memory of 1532	1456	05ca79f28634afedc9c48305c9e5bef0.exe	28
PID 1456 wrote to memory of 564	1456	05ca79f28634afedc9c48305c9e5bef0.exe	30
PID 1456 wrote to memory of 564	1456	05ca79f28634afedc9c48305c9e5bef0.exe	30
PID 1456 wrote to memory of 564	1456	05ca79f28634afedc9c48305c9e5bef0.exe	30
PID 1456 wrote to memory of 564	1456	05ca79f28634afedc9c48305c9e5bef0.exe	30
PID 1456 wrote to memory of 984	1456	05ca79f28634afedc9c48305c9e5bef0.exe	32
PID 1456 wrote to memory of 984	1456	05ca79f28634afedc9c48305c9e5bef0.exe	32
PID 1456 wrote to memory of 984	1456	05ca79f28634afedc9c48305c9e5bef0.exe	32
PID 1456 wrote to memory of 984	1456	05ca79f28634afedc9c48305c9e5bef0.exe	32
PID 1456 wrote to memory of 984	1456	05ca79f28634afedc9c48305c9e5bef0.exe	32
PID 1456 wrote to memory of 984	1456	05ca79f28634afedc9c48305c9e5bef0.exe	32
PID 1456 wrote to memory of 984	1456	05ca79f28634afedc9c48305c9e5bef0.exe	32
PID 1456 wrote to memory of 984	1456	05ca79f28634afedc9c48305c9e5bef0.exe	32
PID 1456 wrote to memory of 984	1456	05ca79f28634afedc9c48305c9e5bef0.exe	32
PID 984 wrote to memory of 544	984	05ca79f28634afedc9c48305c9e5bef0.exe	33
PID 984 wrote to memory of 544	984	05ca79f28634afedc9c48305c9e5bef0.exe	33
PID 984 wrote to memory of 544	984	05ca79f28634afedc9c48305c9e5bef0.exe	33
PID 984 wrote to memory of 544	984	05ca79f28634afedc9c48305c9e5bef0.exe	33

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:1456
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Get-MpPreference -verbose
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1532
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KsXneWkIoY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7272.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:564
- C:\Users\Admin\AppData\Local\Temp\05ca79f28634afedc9c48305c9e5bef0.exe
  "C:\Users\Admin\AppData\Local\Temp\05ca79f28634afedc9c48305c9e5bef0.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:984
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 516
    3⤵
    PID:544

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/544-47-0x0000000001E30000-0x0000000001E41000-memory.dmp

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memory/984-45-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/984-44-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/984-42-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1532-7-0x0000000004770000-0x0000000004771000-memory.dmp

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memory/1532-23-0x00000000062A0000-0x00000000062A1000-memory.dmp

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memory/1532-24-0x00000000055F0000-0x00000000055F1000-memory.dmp

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memory/1532-38-0x0000000006320000-0x0000000006321000-memory.dmp

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memory/1532-39-0x0000000006330000-0x0000000006331000-memory.dmp

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memory/1532-16-0x00000000061E0000-0x00000000061E1000-memory.dmp

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memory/1532-15-0x00000000060B0000-0x00000000060B1000-memory.dmp

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memory/1532-10-0x0000000006020000-0x0000000006021000-memory.dmp

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memory/1532-6-0x0000000001080000-0x0000000001081000-memory.dmp

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memory/1532-5-0x0000000004A00000-0x0000000004A01000-memory.dmp

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memory/1532-4-0x0000000000CB0000-0x0000000000CB1000-memory.dmp

Download

memory/1532-3-0x0000000071B30000-0x000000007221E000-memory.dmp

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