14933a030238c148fe7e405c4cc4c604c2b51e948b2daf181fdc7d548d36e877

General

Target

4d9bf71edf2fb4b9b85cdee88eff0cf5b109fe559354d4c33bf2083f873790bd.exe
Size

521KB
MD5

a93fe8ddf2804386a3cf6c9e112c647a
SHA1

805030d0e0497eb17dd73dd87bbbf4a6b430c342
SHA256

4d9bf71edf2fb4b9b85cdee88eff0cf5b109fe559354d4c33bf2083f873790bd
SHA512

b14f7d2c6a7fb0eec28b17202e2a85a68eb417ef681cc224e2aaff0e3b5b171a12b28fee3d0c8a9faff2ff9d7830c4ec9fdc935f8c78736b782d9f6ebe1e777c
SSDEEP

12288:EMr/y90OnXo1RiP2K4x3a2T6ygg1ghr8:Lyh4Of4x3aRZg1M8

Score

10^/10

evasion persistence 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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	aWW44.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	aWW44.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	aWW44.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	aWW44.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	aWW44.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	aWW44.exe

Executes dropped EXE 3 IoCs

pid	Process
3872	bFj06.exe
1244	aWW44.exe
3664	nUk36.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	aWW44.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	aWW44.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	4d9bf71edf2fb4b9b85cdee88eff0cf5b109fe559354d4c33bf2083f873790bd.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	bFj06.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	bFj06.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	4d9bf71edf2fb4b9b85cdee88eff0cf5b109fe559354d4c33bf2083f873790bd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
216	1244	WerFault.exe	82

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1244	aWW44.exe
1244	aWW44.exe
3664	nUk36.exe
3664	nUk36.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1244	aWW44.exe
Token: SeDebugPrivilege	3664	nUk36.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4412 wrote to memory of 3872	4412	4d9bf71edf2fb4b9b85cdee88eff0cf5b109fe559354d4c33bf2083f873790bd.exe	81
PID 4412 wrote to memory of 3872	4412	4d9bf71edf2fb4b9b85cdee88eff0cf5b109fe559354d4c33bf2083f873790bd.exe	81
PID 4412 wrote to memory of 3872	4412	4d9bf71edf2fb4b9b85cdee88eff0cf5b109fe559354d4c33bf2083f873790bd.exe	81
PID 3872 wrote to memory of 1244	3872	bFj06.exe	82
PID 3872 wrote to memory of 1244	3872	bFj06.exe	82
PID 3872 wrote to memory of 1244	3872	bFj06.exe	82
PID 3872 wrote to memory of 3664	3872	bFj06.exe	85
PID 3872 wrote to memory of 3664	3872	bFj06.exe	85

C:\Users\Admin\AppData\Local\Temp\4d9bf71edf2fb4b9b85cdee88eff0cf5b109fe559354d4c33bf2083f873790bd.exe
"C:\Users\Admin\AppData\Local\Temp\4d9bf71edf2fb4b9b85cdee88eff0cf5b109fe559354d4c33bf2083f873790bd.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4412
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bFj06.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bFj06.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3872
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aWW44.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aWW44.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1244
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 1080
      4⤵
      Program crash
      PID:216
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nUk36.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nUk36.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1244 -ip 1244
1⤵
PID:3052

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bFj06.exe

Filesize
334KB

MD5
0f0dc185ca895b45b462ff5e2b4bc5d8

SHA1
f7f3aeb05534ad98009686e98ce725e85dfe57ac

SHA256
a751ec6229ac3ee999117c7cbd540cc5cfae009b31f79b80a6c032e9b2d6b50e

SHA512
fa5039d4260add1965cebf87dabd29a114925fccc5258a988fa8078c89ae54203d0aed647306367d4cbe081471fddc251bb77c3c2b03ffff5490d5b7baead9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bFj06.exe

Filesize
334KB

MD5
0f0dc185ca895b45b462ff5e2b4bc5d8

SHA1
f7f3aeb05534ad98009686e98ce725e85dfe57ac

SHA256
a751ec6229ac3ee999117c7cbd540cc5cfae009b31f79b80a6c032e9b2d6b50e

SHA512
fa5039d4260add1965cebf87dabd29a114925fccc5258a988fa8078c89ae54203d0aed647306367d4cbe081471fddc251bb77c3c2b03ffff5490d5b7baead9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aWW44.exe

Filesize
237KB

MD5
1d8a1be595df510b69f5cae9bfbf5ee0

SHA1
3e3880552270e2644df5d38fc94060ebe3edd70e

SHA256
2996df1925e043f663f70786e774a007697ae24e73781fc8cfbf86e77bc17a10

SHA512
ae181cdf4feab7b8ba8adf6de92f9e1ab876fd407749005931a2b3cb61b1e7c822ad3d18a5f71bf54af2e70cb157d5cc4262d7b083965da694d1a4d66b1ca433

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aWW44.exe

Filesize
237KB

MD5
1d8a1be595df510b69f5cae9bfbf5ee0

SHA1
3e3880552270e2644df5d38fc94060ebe3edd70e

SHA256
2996df1925e043f663f70786e774a007697ae24e73781fc8cfbf86e77bc17a10

SHA512
ae181cdf4feab7b8ba8adf6de92f9e1ab876fd407749005931a2b3cb61b1e7c822ad3d18a5f71bf54af2e70cb157d5cc4262d7b083965da694d1a4d66b1ca433

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nUk36.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nUk36.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
memory/1244-140-0x0000000000400000-0x000000000056B000-memory.dmp

Filesize
1.4MB

Download
memory/1244-139-0x0000000000570000-0x000000000059D000-memory.dmp

Filesize
180KB

Download
memory/1244-141-0x0000000004CF0000-0x0000000005294000-memory.dmp

Filesize
5.6MB

Download
memory/1244-142-0x0000000000674000-0x0000000000694000-memory.dmp

Filesize
128KB

Download
memory/1244-143-0x0000000000674000-0x0000000000694000-memory.dmp

Filesize
128KB

Download
memory/1244-144-0x0000000000400000-0x000000000056B000-memory.dmp

Filesize
1.4MB

Download
memory/1244-138-0x0000000000674000-0x0000000000694000-memory.dmp

Filesize
128KB

Download
memory/3664-148-0x0000000000900000-0x000000000090A000-memory.dmp

Filesize
40KB

Download
memory/3664-149-0x00007FF953A10000-0x00007FF9544D1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads