1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4

Analysis

max time kernel
11s
max time network
151s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
30-09-2022 20:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe
Size

28KB
MD5

c1101555cb3e0f55bf293caf6ec27034
SHA1

7c44a04dfc1b1ca839044f51b7cec7f918544451
SHA256

1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4
SHA512

b44cbcf8541951834180e77f26e45032937270b87548d2d215b796895057245adbb4ddbfd9ea08e1b85f2f22b9d3f9dfd6987eb3fc2796453bc9a9d202762083
SSDEEP

192:QqNKGqvO5JaE9LhHBdb9E9ZhoynJLNgH9Sa2tZch4s9GRmd8MFA93M3pkR:kPEhhdb9whD+d/2tQ4s9Gwd5ASc

Score

10^/10

evasion trojan

Malware Config

Signatures

UAC bypass 3 TTPs 6 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe

Downloads MZ/PE file
Executes dropped EXE 4 IoCs

Processes:

k4.exek4.exek4.exek4.exe

pid process

880 k4.exe
896 k4.exe
880 k4.exe
896 k4.exe

pid	process
880	k4.exe
896	k4.exe
880	k4.exe
896	k4.exe

Loads dropped DLL 4 IoCs

Processes:

1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe

pid	process
1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe
1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe
1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe
1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe

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

System Information Discovery
T1082
Kills process with taskkill 2 IoCs
evasion

Processes:

taskkill.exetaskkill.exe

pid process

1628 taskkill.exe
1628 taskkill.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

k4.exek4.exe

description pid process

Token: SeLoadDriverPrivilege 896 k4.exe
Token: SeLoadDriverPrivilege 896 k4.exe

pid	process
1628	taskkill.exe
1628	taskkill.exe

description	pid	process
Token: SeLoadDriverPrivilege	896	k4.exe
Token: SeLoadDriverPrivilege	896	k4.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe

pid	process
1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe
1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.execmd.exe1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.execmd.exe

description	pid	process	target process
PID 1444 wrote to memory of 880	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	k4.exe
PID 1444 wrote to memory of 880	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	k4.exe
PID 1444 wrote to memory of 880	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	k4.exe
PID 1444 wrote to memory of 880	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	k4.exe
PID 1444 wrote to memory of 896	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	k4.exe
PID 1444 wrote to memory of 896	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	k4.exe
PID 1444 wrote to memory of 896	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	k4.exe
PID 1444 wrote to memory of 896	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	k4.exe
PID 1444 wrote to memory of 1436	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	cmd.exe
PID 1444 wrote to memory of 1436	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	cmd.exe
PID 1444 wrote to memory of 1436	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	cmd.exe
PID 1444 wrote to memory of 1436	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	cmd.exe
PID 1436 wrote to memory of 1628	1436	cmd.exe	taskkill.exe
PID 1436 wrote to memory of 1628	1436	cmd.exe	taskkill.exe
PID 1436 wrote to memory of 1628	1436	cmd.exe	taskkill.exe
PID 1436 wrote to memory of 1628	1436	cmd.exe	taskkill.exe
PID 1444 wrote to memory of 880	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	k4.exe
PID 1444 wrote to memory of 880	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	k4.exe
PID 1444 wrote to memory of 880	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	k4.exe
PID 1444 wrote to memory of 880	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	k4.exe
PID 1444 wrote to memory of 896	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	k4.exe
PID 1444 wrote to memory of 896	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	k4.exe
PID 1444 wrote to memory of 896	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	k4.exe
PID 1444 wrote to memory of 896	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	k4.exe
PID 1444 wrote to memory of 1436	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	cmd.exe
PID 1444 wrote to memory of 1436	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	cmd.exe
PID 1444 wrote to memory of 1436	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	cmd.exe
PID 1444 wrote to memory of 1436	1444	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe	cmd.exe
PID 1436 wrote to memory of 1628	1436	cmd.exe	taskkill.exe
PID 1436 wrote to memory of 1628	1436	cmd.exe	taskkill.exe
PID 1436 wrote to memory of 1628	1436	cmd.exe	taskkill.exe
PID 1436 wrote to memory of 1628	1436	cmd.exe	taskkill.exe

System policy modification 1 TTPs 6 IoCs

evasion

Modify Registry

T1112

Processes:

1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe

C:\Users\Admin\AppData\Local\Temp\1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe
"C:\Users\Admin\AppData\Local\Temp\1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe"
1⤵
- UAC bypass
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1444

C:\Users\Public\Documents\k4.exe
C:/Users/Public/Documents/k4.exe
2⤵
- Executes dropped EXE
PID:880

C:\Users\Public\Documents\k4.exe
C:/Users/Public/Documents/k4.exe /D
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:896

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c taskkill /f /t /im k4.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1436

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /t /im k4.exe
3⤵
- Kills process with taskkill
PID:1628

C:\Users\Admin\AppData\Local\Temp\1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe
"C:\Users\Admin\AppData\Local\Temp\1d329207cc0e0ae6649dfa5ae77f3a70c67e2a3a0d1ef5a609c937deac271cf4.exe"
1⤵
- UAC bypass
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1444

C:\Users\Public\Documents\k4.exe
C:/Users/Public/Documents/k4.exe
2⤵
- Executes dropped EXE
PID:880

C:\Users\Public\Documents\k4.exe
C:/Users/Public/Documents/k4.exe /D
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:896

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c taskkill /f /t /im k4.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1436

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /t /im k4.exe
3⤵
- Kills process with taskkill
PID:1628

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Public\Documents\k4.exe
Filesize
892KB

MD5
33e29221e2825001d32f78632217d250

SHA1
9122127fc91790a1edb78003e9b58a9b00355ed5

SHA256
65d0b20a4dc4911fbb91683eb6488d3d3493fa4584bbdfb4e942f203bef0030d

SHA512
01d5c6ded3a83d81371e94fefb1debabb1d003c86ab3cf7145d28fb15fcfd4f8b763f6711f99c5afd9bf90f02a7af993efa5945d4f8bb6a3649b5fd86414ae93

Download Submit
C:\Users\Public\Documents\k4.exe
Filesize
892KB

MD5
33e29221e2825001d32f78632217d250

SHA1
9122127fc91790a1edb78003e9b58a9b00355ed5

SHA256
65d0b20a4dc4911fbb91683eb6488d3d3493fa4584bbdfb4e942f203bef0030d

SHA512
01d5c6ded3a83d81371e94fefb1debabb1d003c86ab3cf7145d28fb15fcfd4f8b763f6711f99c5afd9bf90f02a7af993efa5945d4f8bb6a3649b5fd86414ae93

Download Submit
C:\Users\Public\Documents\k4.exe
Filesize
892KB

MD5
33e29221e2825001d32f78632217d250

SHA1
9122127fc91790a1edb78003e9b58a9b00355ed5

SHA256
65d0b20a4dc4911fbb91683eb6488d3d3493fa4584bbdfb4e942f203bef0030d

SHA512
01d5c6ded3a83d81371e94fefb1debabb1d003c86ab3cf7145d28fb15fcfd4f8b763f6711f99c5afd9bf90f02a7af993efa5945d4f8bb6a3649b5fd86414ae93

Download Submit
C:\Users\Public\Documents\k4.exe
Filesize
892KB

MD5
33e29221e2825001d32f78632217d250

SHA1
9122127fc91790a1edb78003e9b58a9b00355ed5

SHA256
65d0b20a4dc4911fbb91683eb6488d3d3493fa4584bbdfb4e942f203bef0030d

SHA512
01d5c6ded3a83d81371e94fefb1debabb1d003c86ab3cf7145d28fb15fcfd4f8b763f6711f99c5afd9bf90f02a7af993efa5945d4f8bb6a3649b5fd86414ae93

Download Submit
C:\Users\Public\Documents\k4.exe
Filesize
892KB

MD5
33e29221e2825001d32f78632217d250

SHA1
9122127fc91790a1edb78003e9b58a9b00355ed5

SHA256
65d0b20a4dc4911fbb91683eb6488d3d3493fa4584bbdfb4e942f203bef0030d

SHA512
01d5c6ded3a83d81371e94fefb1debabb1d003c86ab3cf7145d28fb15fcfd4f8b763f6711f99c5afd9bf90f02a7af993efa5945d4f8bb6a3649b5fd86414ae93

Download Submit
C:\Users\Public\Documents\k4.exe
Filesize
892KB

MD5
33e29221e2825001d32f78632217d250

SHA1
9122127fc91790a1edb78003e9b58a9b00355ed5

SHA256
65d0b20a4dc4911fbb91683eb6488d3d3493fa4584bbdfb4e942f203bef0030d

SHA512
01d5c6ded3a83d81371e94fefb1debabb1d003c86ab3cf7145d28fb15fcfd4f8b763f6711f99c5afd9bf90f02a7af993efa5945d4f8bb6a3649b5fd86414ae93

Download Submit
\Users\Public\Documents\RDSv1.dll
Filesize
31KB

MD5
f90de519c9a8c75dea55263ba6d15af9

SHA1
b80eeb44d0025e9025d055ab68a5fef66e27a623

SHA256
3429d3cd36053b6406bb1aa970e52e5dc9d705133fb3edaf19ab8528d374229e

SHA512
c5ea29ce32efed5706fcda6de3e839eaa27afb8ac8c8899fe239742fc2e59bc35e68ec72391112176ddbd1114e923fe265fa5915661b823d5a08cc7bb17a193e

Download Submit
\Users\Public\Documents\RDSv1.dll
Filesize
31KB

MD5
f90de519c9a8c75dea55263ba6d15af9

SHA1
b80eeb44d0025e9025d055ab68a5fef66e27a623

SHA256
3429d3cd36053b6406bb1aa970e52e5dc9d705133fb3edaf19ab8528d374229e

SHA512
c5ea29ce32efed5706fcda6de3e839eaa27afb8ac8c8899fe239742fc2e59bc35e68ec72391112176ddbd1114e923fe265fa5915661b823d5a08cc7bb17a193e

Download Submit
\Users\Public\Documents\k4.exe
Filesize
892KB

MD5
33e29221e2825001d32f78632217d250

SHA1
9122127fc91790a1edb78003e9b58a9b00355ed5

SHA256
65d0b20a4dc4911fbb91683eb6488d3d3493fa4584bbdfb4e942f203bef0030d

SHA512
01d5c6ded3a83d81371e94fefb1debabb1d003c86ab3cf7145d28fb15fcfd4f8b763f6711f99c5afd9bf90f02a7af993efa5945d4f8bb6a3649b5fd86414ae93

Download Submit
\Users\Public\Documents\k4.exe
Filesize
892KB

MD5
33e29221e2825001d32f78632217d250

SHA1
9122127fc91790a1edb78003e9b58a9b00355ed5

SHA256
65d0b20a4dc4911fbb91683eb6488d3d3493fa4584bbdfb4e942f203bef0030d

SHA512
01d5c6ded3a83d81371e94fefb1debabb1d003c86ab3cf7145d28fb15fcfd4f8b763f6711f99c5afd9bf90f02a7af993efa5945d4f8bb6a3649b5fd86414ae93

Download Submit
memory/880-57-0x0000000000000000-mapping.dmp

Download
memory/880-59-0x000007FEFBEE1000-0x000007FEFBEE3000-memory.dmp

Filesize
8KB

Download
memory/880-59-0x000007FEFBEE1000-0x000007FEFBEE3000-memory.dmp

Filesize
8KB

Download
memory/880-57-0x0000000000000000-mapping.dmp

Download
memory/896-61-0x0000000000000000-mapping.dmp

Download
memory/896-61-0x0000000000000000-mapping.dmp

Download
memory/1436-64-0x0000000000000000-mapping.dmp

Download
memory/1436-64-0x0000000000000000-mapping.dmp

Download
memory/1444-54-0x0000000075D71000-0x0000000075D73000-memory.dmp

Filesize
8KB

Download
memory/1444-54-0x0000000075D71000-0x0000000075D73000-memory.dmp

Filesize
8KB

Download
memory/1628-65-0x0000000000000000-mapping.dmp

Download
memory/1628-65-0x0000000000000000-mapping.dmp

Download