80be572497d09410f8b103841c05dc2116af4f2ce9436e78ee50bc5f6c8b02dd

Analysis

max time kernel
28s
max time network
30s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
17-04-2023 12:23

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General

Target

tmp.exe
Size

1.6MB
MD5

275da370ff541408db6cb518c5cfac46
SHA1

93fcc120b726c765f8ef8c8199f83dae1c7428aa
SHA256

80be572497d09410f8b103841c05dc2116af4f2ce9436e78ee50bc5f6c8b02dd
SHA512

aa68b105c627404e826133a23521d3c339898a8b790951214f20ba9e2d2f4171541b278134413de116daaa668dea284ebec81b831cefcf1cc76a7fcfb4681570
SSDEEP

49152:c2am57KY2tEUGN+OcdlC7N6DpMkc6/4qypRFrL6+mj8fQF283F9Cv4J:c5m5wtDGwOcdlChyq6/hyfFrL6V8fQFp

Score

10^/10

evasion 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\PromptOnSecureDesktop = "0"	tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	tmp.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"	tmp.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\PIA_S5_Proxy_cata\libcurl.dll	tmp.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	916	helppane.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
916	helppane.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2036	tmp.exe
916	helppane.exe
916	helppane.exe

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

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2036

C:\Windows\helppane.exe
C:\Windows\helppane.exe -Embedding
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:916

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/916-54-0x0000000001AD0000-0x0000000001AD1000-memory.dmp

Filesize
4KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads