7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd

Analysis

max time kernel
189s
max time network
200s
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 11:07

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General

Target

7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd.exe
Size

4.6MB
MD5

f743b2ee0e310ccc7f1c9d6a3436c2a5
SHA1

288995407093f696edce632dc3bc4e652db2ca93
SHA256

7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd
SHA512

1e7fa7ee487c81ccaeea173125a48c3bb6b2ff15f8e968c9258b98d34aba413f88486d6382ccdb96c8a68b269d6a47ba75f377a79ee7718990e6e9435e76710e
SSDEEP

98304:Ehg8lhKl/C0rm1icj78fMhAioQ/GTYcVLV7KwEeFJXVbxL00pDwe9mONwV:Og8lWCX1icISA0fgB7Kqm0meEV

Score

10^/10

evasion trojan upx

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

reg.exe

description ioc process

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

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

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4524-132-0x0000000000400000-0x0000000002F5C000-memory.dmp	upx
behavioral2/memory/4524-133-0x0000000000400000-0x0000000002F5C000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

Processes:

7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd.exe

description	ioc	process
File created	C:\WINDOWS\SysWOW64\RGR.SYS	7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd.exe
File created	C:\Windows\SysWOW64\Temps.exe	7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd.exe
File opened for modification	C:\Windows\SysWOW64\Temps.exe	7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd.exe

Drops file in Windows directory 2 IoCs

Processes:

7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd.exe

description	ioc	process
File created	C:\windows\WinUpdate.exe	7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd.exe
File created	C:\Windows\Update	7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

reg.exe

pid process

4988 reg.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd.exe

pid process

4524 7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd.exe

pid	process
4988	reg.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd.exe

pid	process
4524	7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd.exe
4524	7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd.execmd.exe

description	pid	process	target process
PID 4524 wrote to memory of 2436	4524	7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd.exe	cmd.exe
PID 4524 wrote to memory of 2436	4524	7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd.exe	cmd.exe
PID 4524 wrote to memory of 2436	4524	7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd.exe	cmd.exe
PID 2436 wrote to memory of 4988	2436	cmd.exe	reg.exe
PID 2436 wrote to memory of 4988	2436	cmd.exe	reg.exe
PID 2436 wrote to memory of 4988	2436	cmd.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd.exe
"C:\Users\Admin\AppData\Local\Temp\7eff2e2e5ba9d270bc758025c8d3e8b4b12dda5edae6b3101af57afd12afc5cd.exe"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4524

C:\Windows\SysWOW64\cmd.exe
C:\Windows\System32\cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
2⤵
- Suspicious use of WriteProcessMemory
PID:2436

C:\Windows\SysWOW64\reg.exe
C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
3⤵
- UAC bypass
- Modifies registry key
PID:4988

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2436-134-0x0000000000000000-mapping.dmp

Download
memory/4524-132-0x0000000000400000-0x0000000002F5C000-memory.dmp

Filesize
43.4MB

Download
memory/4524-133-0x0000000000400000-0x0000000002F5C000-memory.dmp

Filesize
43.4MB

Download
memory/4988-135-0x0000000000000000-mapping.dmp

Download