cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42

General

Target

cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe
Size

37KB
MD5

0c3d68a6953b0b8d495e66ce38e746a0
SHA1

c69a3566a45370c4dff668e50cb37c71882663dd
SHA256

cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42
SHA512

c004ce20b848fa5d215d634c204bd9537833cf2855662b0c905f2c9eff6e19398777459ae7feb80bbb9da2b1c65300cf0c8d588f22d65f72648e43320cf252a0
SSDEEP

768:z2A3l1G/Z/EFQNkX3mLd4mwPEhNzg3IhZ6vdgXiH9zKYcXgYyGqdXw:z2AV1GBsmNkMOPEjhhoHzcXundX

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

UAC bypass 3 TTPs 3 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Deletes itself 1 IoCs

pid	Process
2024	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
1380	cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe
2024	cmd.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\WinSocketA.dll	cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe
File created	C:\Windows\SysWOW64\WinSocketA.dll	cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1380	cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe
1380	cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
1380	cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe
464	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	1380	cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1380 wrote to memory of 2024	1380	cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe	27
PID 1380 wrote to memory of 2024	1380	cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe	27
PID 1380 wrote to memory of 2024	1380	cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe	27
PID 1380 wrote to memory of 2024	1380	cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe	27

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe

C:\Users\Admin\AppData\Local\Temp\cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe
"C:\Users\Admin\AppData\Local\Temp\cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe"
1⤵
- UAC bypass
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1380
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\cf83c532630832887a5d0ee2f7701ae9157f318af685c6e816b2576384d97b42.exe"
  2⤵
  - Deletes itself
  - Loads dropped DLL
  PID:2024

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\WinSocketA.dll

Filesize
71KB

MD5
5beca6a5e37601fc333ba66bcfa9bca1

SHA1
6b6d0dd3039c575bda2b42d692fa5356ce7b4efc

SHA256
3bfd111a796f6605c4b79326f227a06c432ddd44d720d2645536b96b332024d8

SHA512
5576f1ec86e0d0127637310d509602fa56ba7a90b68f4120c62385b2472da1169e976a96793b604dd93520421406d6141f69685ad8bc8b84793c4c3414fedf78

Download Submit
\Windows\SysWOW64\WinSocketA.dll

Filesize
71KB

MD5
5beca6a5e37601fc333ba66bcfa9bca1

SHA1
6b6d0dd3039c575bda2b42d692fa5356ce7b4efc

SHA256
3bfd111a796f6605c4b79326f227a06c432ddd44d720d2645536b96b332024d8

SHA512
5576f1ec86e0d0127637310d509602fa56ba7a90b68f4120c62385b2472da1169e976a96793b604dd93520421406d6141f69685ad8bc8b84793c4c3414fedf78

Download Submit
\Windows\SysWOW64\WinSocketA.dll

Filesize
71KB

MD5
5beca6a5e37601fc333ba66bcfa9bca1

SHA1
6b6d0dd3039c575bda2b42d692fa5356ce7b4efc

SHA256
3bfd111a796f6605c4b79326f227a06c432ddd44d720d2645536b96b332024d8

SHA512
5576f1ec86e0d0127637310d509602fa56ba7a90b68f4120c62385b2472da1169e976a96793b604dd93520421406d6141f69685ad8bc8b84793c4c3414fedf78

Download Submit
memory/1380-56-0x0000000000400000-0x0000000000425200-memory.dmp

Filesize
148KB

Download
memory/2024-59-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads