aa6b54495fae983e97732ac7db856827abbce22b61d2710afd3b9ff3bc617c67

Analysis

max time kernel
61s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
13/05/2023, 22:44

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General

Target

51745905.exe
Size

521KB
MD5

ef3af90c4c53209e88389befface185b
SHA1

9e054f224cde08b28fb51f3ffb14b9cf6409d20b
SHA256

aa6b54495fae983e97732ac7db856827abbce22b61d2710afd3b9ff3bc617c67
SHA512

df5d65f2387b6ba53599cc9921800984886d4b51ee3581b56da5553f4df25fe04bf69cb365f66471704c3b391e9b6b98b806a383fa3c93fb5c71c89096506bd5
SSDEEP

6144:gb9DvsXALpXzegZZ8qhYd5F8ult1dTc4TeKKQVwjwTiry:gbxvsXALVzjZLhavQ4AWwjw+y

Score

10^/10

evasion trojan

Malware Config

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Modify Existing Service

T1031

Disabling Security Tools

T1089

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	1.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	51745905.exe

Executes dropped EXE 1 IoCs

pid	Process
1272	1.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	1.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1556	4380	WerFault.exe	82

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1272	1.exe
1272	1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4380	51745905.exe
Token: SeDebugPrivilege	1272	1.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 1272	4380	51745905.exe	83
PID 4380 wrote to memory of 1272	4380	51745905.exe	83

C:\Users\Admin\AppData\Local\Temp\51745905.exe
"C:\Users\Admin\AppData\Local\Temp\51745905.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4380
- C:\Windows\Temp\1.exe
  "C:\Windows\Temp\1.exe"
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1272
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 1304
  2⤵
  - Program crash
  PID:1556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4380 -ip 4380
1⤵
PID:3388

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Temp\1.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Windows\Temp\1.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Windows\Temp\1.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
memory/1272-2279-0x0000000000490000-0x000000000049A000-memory.dmp

Filesize
40KB

Download
memory/4380-168-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-134-0x0000000002560000-0x00000000025AC000-memory.dmp

Filesize
304KB

Download
memory/4380-140-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-142-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-144-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-146-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-148-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-150-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-152-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-154-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-156-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-158-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-160-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-162-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-164-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-166-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-174-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-170-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-139-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-172-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-182-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-178-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-180-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-176-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-184-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-186-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-188-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-190-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-192-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-194-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-196-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-198-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-200-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-202-0x0000000002B20000-0x0000000002B71000-memory.dmp

Filesize
324KB

Download
memory/4380-138-0x00000000029B0000-0x00000000029C0000-memory.dmp

Filesize
64KB

Download
memory/4380-137-0x00000000029B0000-0x00000000029C0000-memory.dmp

Filesize
64KB

Download
memory/4380-136-0x00000000029B0000-0x00000000029C0000-memory.dmp

Filesize
64KB

Download
memory/4380-135-0x0000000005020000-0x00000000055C4000-memory.dmp

Filesize
5.6MB

Download
memory/4380-2280-0x00000000029B0000-0x00000000029C0000-memory.dmp

Filesize
64KB

Download