504aba9ffc85b963c92b2725c54b2f16e8dca913b5dbe2b7d75786eee3692a38

Analysis

max time kernel
151s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
26-11-2022 09:08

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General

Target

©ɱ/080.exe
Size

665KB
MD5

35b4961fe8a00f6c51df70beab8cf460
SHA1

b8e5f78380f066b4a1987f05afaef6a08f7e8990
SHA256

8cdccffd533f4d54596a5a686f48322d2f9a995acb2b9bfcc175c62915b1c948
SHA512

f2f75cea9ece39671e4ad266198bbbf0c27ea407e4e3fa5c2325003ea8baaf7a7cb5d239fbe14ec25d2354e06cde6f0d29bb2aa8ee7c2661816fea1bee3a7776
SSDEEP

12288:fhkDgouVA2nxKkozvdRgQriDwOIQmxiZnYQE7PJcD4anJVC:lRmJk8oQricOIvxiZY15anTC

Score

10^/10

evasion persistence trojan upx

Malware Config

Signatures

UAC bypass 3 TTPs 2 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

080.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	080.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	080.exe

Drops file in Drivers directory 1 IoCs

Processes:

080.exe

description ioc process

File opened for modification C:\Windows\System32\drivers\etc\protocol 080.exe

description	ioc	process
File opened for modification	C:\Windows\System32\drivers\etc\protocol	080.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral19/memory/956-59-0x0000000000400000-0x0000000000487000-memory.dmp	upx
behavioral19/memory/956-61-0x0000000000400000-0x0000000000487000-memory.dmp	upx
behavioral19/memory/956-62-0x0000000000400000-0x0000000000487000-memory.dmp	upx
behavioral19/memory/956-64-0x0000000000400000-0x0000000000487000-memory.dmp	upx
behavioral19/memory/956-66-0x0000000000400000-0x0000000000487000-memory.dmp	upx
behavioral19/memory/956-67-0x0000000000400000-0x0000000000487000-memory.dmp	upx
behavioral19/memory/956-68-0x0000000000400000-0x0000000000487000-memory.dmp	upx
behavioral19/memory/956-69-0x0000000000400000-0x0000000000487000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

080.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run	080.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\Users\\Admin\\AppData\\Local\\Temp\\HostUpdate.exe"	080.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

080.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 080.exe
Suspicious use of SetThreadContext 2 IoCs

Processes:

080.exe080.exe

description pid process

PID 780 set thread context of 0 780 080.exe
PID 2044 set thread context of 956 2044 080.exe 080.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	080.exe

description	pid	process
PID 780 set thread context of 0	780	080.exe
PID 2044 set thread context of 956	2044	080.exe	080.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

080.exe

pid	process
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe
956	080.exe

Suspicious behavior: RenamesItself 2 IoCs

Processes:

080.exe080.exe

pid process

780 080.exe
956 080.exe

pid	process
780	080.exe
956	080.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

080.exe080.exe

description	pid	process	target process
PID 780 wrote to memory of 2044	780	080.exe	080.exe
PID 780 wrote to memory of 2044	780	080.exe	080.exe
PID 780 wrote to memory of 2044	780	080.exe	080.exe
PID 780 wrote to memory of 2044	780	080.exe	080.exe
PID 2044 wrote to memory of 956	2044	080.exe	080.exe
PID 2044 wrote to memory of 956	2044	080.exe	080.exe
PID 2044 wrote to memory of 956	2044	080.exe	080.exe
PID 2044 wrote to memory of 956	2044	080.exe	080.exe
PID 2044 wrote to memory of 956	2044	080.exe	080.exe
PID 2044 wrote to memory of 956	2044	080.exe	080.exe
PID 2044 wrote to memory of 956	2044	080.exe	080.exe
PID 2044 wrote to memory of 956	2044	080.exe	080.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

080.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	080.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	080.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	080.exe

C:\Users\Admin\AppData\Local\Temp\©ɱ\080.exe
"C:\Users\Admin\AppData\Local\Temp\©ɱ\080.exe"
1⤵
- UAC bypass
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
- System policy modification
PID:780

C:\Users\Admin\AppData\Local\Temp\080.exe
C:\Users\Admin\AppData\Local\Temp\080.exe
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2044

C:\Users\Admin\AppData\Local\Temp\080.exe
"C:\Users\Admin\AppData\Local\Temp\080.exe"
3⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
PID:956

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

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

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Downloads

memory/0-57-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/780-54-0x0000000076321000-0x0000000076323000-memory.dmp

Filesize
8KB

Download
memory/956-59-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/956-61-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/956-62-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/956-63-0x0000000000484F60-mapping.dmp

Download
memory/956-64-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/956-66-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/956-67-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/956-68-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/956-69-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/2044-55-0x0000000000000000-mapping.dmp

Download