4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a

Analysis

max time kernel
188s
max time network
191s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 14:21

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General

Target

4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe
Size

22KB
MD5

98c4aa4fed38445512680bb28256249d
SHA1

e3fd86162f4a55835821b476a623e5a125ec7db3
SHA256

4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a
SHA512

2969377ffc82204b48b16a1113b33dc332b67ff27a380c0ac04b3e0326b49ae1578c128397be41467d487385b3945a2fd33272009f537a1d1c7493e9a753cc63
SSDEEP

384:F8bZ62IALGTRjCMcpRnYzp/eMtK8HovzWkxy4qmWpX+3Ze6iWwQhrVq/X:F48TAKTxwpFZMtK8IvzWkxbqm9wKrVe

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

twurgk.exe

pid process

4564 twurgk.exe

pid	process
4564	twurgk.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\dkair = "C:\\Windows\\twurgk.exe"	4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe

Drops file in Windows directory 2 IoCs

Processes:

4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe

description	ioc	process
File created	C:\Windows\twurgk.exe	4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe
File opened for modification	C:\Windows\twurgk.exe	4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exetwurgk.exe

pid	process
3648	4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe
3648	4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe
3648	4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe
3648	4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe
4564	twurgk.exe
4564	twurgk.exe
4564	twurgk.exe
4564	twurgk.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe

description pid process

Token: SeIncBasePriorityPrivilege 3648 4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3648	4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe

description	pid	process	target process
PID 3648 wrote to memory of 4520	3648	4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe	cmd.exe
PID 3648 wrote to memory of 4520	3648	4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe	cmd.exe
PID 3648 wrote to memory of 4520	3648	4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe
"C:\Users\Admin\AppData\Local\Temp\4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3648

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\4FD46B~1.EXE > nul
2⤵
PID:4520

C:\Windows\twurgk.exe
C:\Windows\twurgk.exe
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4564

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\twurgk.exe

Filesize
22KB

MD5
98c4aa4fed38445512680bb28256249d

SHA1
e3fd86162f4a55835821b476a623e5a125ec7db3

SHA256
4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a

SHA512
2969377ffc82204b48b16a1113b33dc332b67ff27a380c0ac04b3e0326b49ae1578c128397be41467d487385b3945a2fd33272009f537a1d1c7493e9a753cc63

Download Submit
C:\Windows\twurgk.exe

Filesize
22KB

MD5
98c4aa4fed38445512680bb28256249d

SHA1
e3fd86162f4a55835821b476a623e5a125ec7db3

SHA256
4fd46b65c54fffb498bd5fc050b4d0eaa20bbf2e275f36b0e2436c101ee62e3a

SHA512
2969377ffc82204b48b16a1113b33dc332b67ff27a380c0ac04b3e0326b49ae1578c128397be41467d487385b3945a2fd33272009f537a1d1c7493e9a753cc63

Download Submit
memory/4520-134-0x0000000000000000-mapping.dmp

Download