71d1f94169f840a386cfb9a306dc5c1674d3f92e2749cbae96809fb371f0d368

Analysis

max time kernel
38s
max time network
11s
platform
windows7_x64
resource
win7v20210410
submitted
04/06/2021, 07:20

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General

Target
ccd95be19ccce8766611174bd6183e32.exe
Size 449KB
Sample210604-28scls3da2
SHA256 71d1f94169f840a386cfb9a306dc5c1674d3f92e2749cbae96809fb371f0d368
MD5 ccd95be19ccce8766611174bd6183e32
SHA1 0ed7ddbe4d526d87b93a2287b89412b2ea265df9
SHA512 88dc9313467754a874e7852c009f3dca425622d21ae432287eab931227ba2eae7602be032011864247475752809c5cc730756f1a5298041260b117723981bbb4
MD5 SHA1 SHA512

Score

10^/10

evasion trojan

Malware Config

Signatures

Contains code to disable Windows Defender 3 IoCs

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

resource	yara_rule
behavioral1/memory/1736-66-0x0000000000400000-0x0000000000408000-memory.dmp	disable_win_def
behavioral1/memory/1736-67-0x0000000000403BEE-mapping.dmp	disable_win_def
behavioral1/memory/1736-68-0x0000000000400000-0x0000000000408000-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	ccd95be19ccce8766611174bd6183e32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	ccd95be19ccce8766611174bd6183e32.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 768 set thread context of 1736	768	ccd95be19ccce8766611174bd6183e32.exe	29

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
268	powershell.exe
268	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	268	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 1736	768	ccd95be19ccce8766611174bd6183e32.exe	29
PID 768 wrote to memory of 1736	768	ccd95be19ccce8766611174bd6183e32.exe	29
PID 768 wrote to memory of 1736	768	ccd95be19ccce8766611174bd6183e32.exe	29
PID 768 wrote to memory of 1736	768	ccd95be19ccce8766611174bd6183e32.exe	29
PID 768 wrote to memory of 1736	768	ccd95be19ccce8766611174bd6183e32.exe	29
PID 768 wrote to memory of 1736	768	ccd95be19ccce8766611174bd6183e32.exe	29
PID 768 wrote to memory of 1736	768	ccd95be19ccce8766611174bd6183e32.exe	29
PID 768 wrote to memory of 1736	768	ccd95be19ccce8766611174bd6183e32.exe	29
PID 768 wrote to memory of 1736	768	ccd95be19ccce8766611174bd6183e32.exe	29
PID 1736 wrote to memory of 268	1736	ccd95be19ccce8766611174bd6183e32.exe	30
PID 1736 wrote to memory of 268	1736	ccd95be19ccce8766611174bd6183e32.exe	30
PID 1736 wrote to memory of 268	1736	ccd95be19ccce8766611174bd6183e32.exe	30
PID 1736 wrote to memory of 268	1736	ccd95be19ccce8766611174bd6183e32.exe	30

C:\Users\Admin\AppData\Local\Temp\ccd95be19ccce8766611174bd6183e32.exe
"C:\Users\Admin\AppData\Local\Temp\ccd95be19ccce8766611174bd6183e32.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:768
- C:\Users\Admin\AppData\Local\Temp\ccd95be19ccce8766611174bd6183e32.exe
  "{path}"
  2⤵
  - Windows security modification
  - Suspicious use of WriteProcessMemory
  PID:1736
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Get-MpPreference -verbose
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:268

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/268-86-0x0000000006100000-0x0000000006101000-memory.dmp

Download

memory/268-74-0x0000000004820000-0x0000000004821000-memory.dmp

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memory/268-110-0x000000007EF30000-0x000000007EF31000-memory.dmp

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memory/268-109-0x0000000006330000-0x0000000006331000-memory.dmp

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memory/268-108-0x0000000006320000-0x0000000006321000-memory.dmp

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memory/268-94-0x0000000005630000-0x0000000005631000-memory.dmp

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memory/268-73-0x0000000004860000-0x0000000004861000-memory.dmp

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memory/268-93-0x00000000062A0000-0x00000000062A1000-memory.dmp

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memory/268-71-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

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memory/268-85-0x00000000060D0000-0x00000000060D1000-memory.dmp

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memory/268-72-0x0000000002170000-0x0000000002171000-memory.dmp

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memory/268-80-0x0000000005670000-0x0000000005671000-memory.dmp

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memory/268-75-0x0000000004822000-0x0000000004823000-memory.dmp

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memory/268-76-0x0000000004750000-0x0000000004751000-memory.dmp

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memory/268-77-0x0000000005260000-0x0000000005261000-memory.dmp

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memory/768-62-0x0000000000490000-0x0000000000492000-memory.dmp

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memory/768-60-0x0000000000E90000-0x0000000000E91000-memory.dmp

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memory/768-65-0x0000000000A90000-0x0000000000AA6000-memory.dmp

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memory/768-64-0x0000000004E90000-0x0000000004EF9000-memory.dmp

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memory/768-63-0x0000000004E50000-0x0000000004E51000-memory.dmp

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memory/1736-68-0x0000000000400000-0x0000000000408000-memory.dmp

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memory/1736-66-0x0000000000400000-0x0000000000408000-memory.dmp

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