a3aed0b5f1e9c80a2e31adb7720ea91134325d8428ffe3782c4be1cd2939f0dc

Analysis

max time kernel
56s
max time network
61s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
17/03/2023, 02:13

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General

Target

c51gp51.exe
Size

376KB
MD5

bff09b0b2e95855edf0d19a2016fdd90
SHA1

41934a2817ef8c187b6747c6e3d8bdc4589f782e
SHA256

a3aed0b5f1e9c80a2e31adb7720ea91134325d8428ffe3782c4be1cd2939f0dc
SHA512

2629e909479e16eefbb0e68d8bab835a2754520cbeff797779eb2ab043c2cf91f11555f108b6c11c91076fbbcb909b45bdfccbbf52d51b398b4300010714c44e
SSDEEP

3072:nm/okWL+M6Jtp8pFyh6r2G9Nk4BtoW21Bmd71TMeBM0UO8Or5/oQdA2:maLCXeyh62G9561MjTzXho4

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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	c51gp51.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	c51gp51.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	c51gp51.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	c51gp51.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	c51gp51.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	c51gp51.exe

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	c51gp51.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	c51gp51.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1240	4696	WerFault.exe	85

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4696	c51gp51.exe
4696	c51gp51.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4696	c51gp51.exe

C:\Users\Admin\AppData\Local\Temp\c51gp51.exe
"C:\Users\Admin\AppData\Local\Temp\c51gp51.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4696
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4696 -s 948
  2⤵
  - Program crash
  PID:1240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4696 -ip 4696
1⤵
PID:5020

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/4696-134-0x0000000000B00000-0x0000000000B2D000-memory.dmp

Filesize
180KB

Download
memory/4696-135-0x0000000005260000-0x0000000005804000-memory.dmp

Filesize
5.6MB

Download
memory/4696-137-0x00000000029B0000-0x00000000029C2000-memory.dmp

Filesize
72KB

Download
memory/4696-136-0x00000000029B0000-0x00000000029C2000-memory.dmp

Filesize
72KB

Download
memory/4696-139-0x00000000029B0000-0x00000000029C2000-memory.dmp

Filesize
72KB

Download
memory/4696-141-0x00000000029B0000-0x00000000029C2000-memory.dmp

Filesize
72KB

Download
memory/4696-143-0x00000000029B0000-0x00000000029C2000-memory.dmp

Filesize
72KB

Download
memory/4696-145-0x00000000029B0000-0x00000000029C2000-memory.dmp

Filesize
72KB

Download
memory/4696-147-0x00000000029B0000-0x00000000029C2000-memory.dmp

Filesize
72KB

Download
memory/4696-149-0x00000000029B0000-0x00000000029C2000-memory.dmp

Filesize
72KB

Download
memory/4696-151-0x00000000029B0000-0x00000000029C2000-memory.dmp

Filesize
72KB

Download
memory/4696-153-0x00000000029B0000-0x00000000029C2000-memory.dmp

Filesize
72KB

Download
memory/4696-155-0x00000000029B0000-0x00000000029C2000-memory.dmp

Filesize
72KB

Download
memory/4696-157-0x00000000029B0000-0x00000000029C2000-memory.dmp

Filesize
72KB

Download
memory/4696-159-0x00000000029B0000-0x00000000029C2000-memory.dmp

Filesize
72KB

Download
memory/4696-161-0x00000000029B0000-0x00000000029C2000-memory.dmp

Filesize
72KB

Download
memory/4696-163-0x00000000029B0000-0x00000000029C2000-memory.dmp

Filesize
72KB

Download
memory/4696-164-0x0000000005250000-0x0000000005260000-memory.dmp

Filesize
64KB

Download
memory/4696-165-0x0000000005250000-0x0000000005260000-memory.dmp

Filesize
64KB

Download
memory/4696-166-0x0000000005250000-0x0000000005260000-memory.dmp

Filesize
64KB

Download
memory/4696-167-0x0000000000400000-0x0000000000864000-memory.dmp

Filesize
4.4MB

Download
memory/4696-169-0x0000000005250000-0x0000000005260000-memory.dmp

Filesize
64KB

Download
memory/4696-170-0x0000000005250000-0x0000000005260000-memory.dmp

Filesize
64KB

Download
memory/4696-171-0x0000000005250000-0x0000000005260000-memory.dmp

Filesize
64KB

Download
memory/4696-172-0x0000000000400000-0x0000000000864000-memory.dmp

Filesize
4.4MB

Download