d1d245f4d408bf9dbaed6c59f68c995e427d95bd8316cc358377ec7ee43fb2f2

Analysis

max time kernel
12s
max time network
8s
platform
windows7_x64
resource
win7
submitted
10/10/2020, 04:17

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General

Target
ds2.exe
Size 100KB
Sample201010-dp4rf64tr2
SHA256 d1d245f4d408bf9dbaed6c59f68c995e427d95bd8316cc358377ec7ee43fb2f2
MD5 03f05e78d9887eafafbfa15dc1718a51
SHA1 81d07463cf8ecf13735eaac2796c82521581b85e
SHA512 70100fa94fbe76509cc71f98d1d30b9e42055043075a333e1b52a2adce98cc6da4c4f2c3c05d50516ab0565f001a07eebf96dd09b46bae0ba9c539c9125f68c1
MD5 SHA1 SHA512

Score

10^/10

evasion trojan

Malware Config

Signatures

Contains code to disable Windows Defender 4 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

resource	yara_rule
behavioral1/memory/1540-5-0x0000000000400000-0x0000000000408000-memory.dmp	disable_win_def
behavioral1/memory/1540-6-0x0000000000403BEE-mapping.dmp	disable_win_def
behavioral1/memory/1540-7-0x0000000000400000-0x0000000000408000-memory.dmp	disable_win_def
behavioral1/memory/1540-8-0x0000000000400000-0x0000000000408000-memory.dmp	disable_win_def

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	ds2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	ds2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1124 set thread context of 1540	1124	ds2.exe	29

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1124	ds2.exe
1124	ds2.exe
1880	powershell.exe
1880	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1124	ds2.exe
Token: SeDebugPrivilege	1880	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 1560	1124	ds2.exe	28
PID 1124 wrote to memory of 1560	1124	ds2.exe	28
PID 1124 wrote to memory of 1560	1124	ds2.exe	28
PID 1124 wrote to memory of 1560	1124	ds2.exe	28
PID 1124 wrote to memory of 1540	1124	ds2.exe	29
PID 1124 wrote to memory of 1540	1124	ds2.exe	29
PID 1124 wrote to memory of 1540	1124	ds2.exe	29
PID 1124 wrote to memory of 1540	1124	ds2.exe	29
PID 1124 wrote to memory of 1540	1124	ds2.exe	29
PID 1124 wrote to memory of 1540	1124	ds2.exe	29
PID 1124 wrote to memory of 1540	1124	ds2.exe	29
PID 1124 wrote to memory of 1540	1124	ds2.exe	29
PID 1124 wrote to memory of 1540	1124	ds2.exe	29
PID 1540 wrote to memory of 1880	1540	ds2.exe	30
PID 1540 wrote to memory of 1880	1540	ds2.exe	30
PID 1540 wrote to memory of 1880	1540	ds2.exe	30
PID 1540 wrote to memory of 1880	1540	ds2.exe	30

C:\Users\Admin\AppData\Local\Temp\ds2.exe
"C:\Users\Admin\AppData\Local\Temp\ds2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Users\Admin\AppData\Local\Temp\ds2.exe
  "C:\Users\Admin\AppData\Local\Temp\ds2.exe"
  2⤵
  PID:1560
- C:\Users\Admin\AppData\Local\Temp\ds2.exe
  "C:\Users\Admin\AppData\Local\Temp\ds2.exe"
  2⤵
  - Windows security modification
  - Suspicious use of WriteProcessMemory
  PID:1540
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Get-MpPreference -verbose
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1880

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1124-0-0x0000000073F10000-0x00000000745FE000-memory.dmp

Download

memory/1124-1-0x0000000000230000-0x0000000000231000-memory.dmp

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memory/1124-3-0x00000000004D0000-0x00000000004E6000-memory.dmp

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memory/1124-4-0x00000000004F0000-0x00000000004FD000-memory.dmp

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memory/1540-5-0x0000000000400000-0x0000000000408000-memory.dmp

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memory/1540-7-0x0000000000400000-0x0000000000408000-memory.dmp

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memory/1540-8-0x0000000000400000-0x0000000000408000-memory.dmp

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memory/1540-9-0x0000000073F10000-0x00000000745FE000-memory.dmp

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memory/1880-13-0x0000000073F10000-0x00000000745FE000-memory.dmp

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memory/1880-14-0x0000000000690000-0x0000000000691000-memory.dmp

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memory/1880-15-0x0000000004950000-0x0000000004951000-memory.dmp

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memory/1880-16-0x0000000002610000-0x0000000002611000-memory.dmp

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memory/1880-17-0x0000000004870000-0x0000000004871000-memory.dmp

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memory/1880-20-0x0000000006000000-0x0000000006001000-memory.dmp

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memory/1880-25-0x0000000006060000-0x0000000006061000-memory.dmp

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memory/1880-26-0x0000000006230000-0x0000000006231000-memory.dmp

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memory/1880-33-0x00000000061D0000-0x00000000061D1000-memory.dmp

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memory/1880-34-0x0000000005FC0000-0x0000000005FC1000-memory.dmp

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memory/1880-48-0x0000000006320000-0x0000000006321000-memory.dmp

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memory/1880-49-0x0000000006330000-0x0000000006331000-memory.dmp

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