f9cf23b0c1ae0595dda037e74738a260bd4ec540801dbe8afb8d5369aea173e9

Analysis

max time kernel
134s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 07:06

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General

Target

f9cf23b0c1ae0595dda037e74738a260bd4ec540801dbe8afb8d5369aea173e9.exe
Size

133KB
MD5

5d562d906422c959dbd0bc2160085805
SHA1

4617fb8380ed841af3c6954d5f2557cdb5e88b8f
SHA256

f9cf23b0c1ae0595dda037e74738a260bd4ec540801dbe8afb8d5369aea173e9
SHA512

9e1924453f0db93bc9e6e3661d2b57deed6db680b1929dbf5504368a9776028e48ceefc53b120d56b4eeda1b87354467f697f286e6ab77ed4d79e8928d0a996c
SSDEEP

3072:3V3pokZrwBOfuZjtKsoifphYSoA0GbhbhivqiUDE/Tr:pZ8BOfktKuDY5A0Gbvivq/Dk

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3084-135-0x0000000010000000-0x000000001000F000-memory.dmp	upx
behavioral2/memory/3084-138-0x0000000010000000-0x000000001000F000-memory.dmp	upx
behavioral2/memory/3084-139-0x0000000010000000-0x000000001000F000-memory.dmp	upx
behavioral2/memory/3084-140-0x0000000010000000-0x000000001000F000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{E49321EF-3745-44C2-B10A-580B91D7CBCB}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{E7906DB3-FCF1-4578-8C8C-F859CC3C7221}.catalogItem	svchost.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3084	f9cf23b0c1ae0595dda037e74738a260bd4ec540801dbe8afb8d5369aea173e9.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 3084	1152	f9cf23b0c1ae0595dda037e74738a260bd4ec540801dbe8afb8d5369aea173e9.exe	75
PID 1152 wrote to memory of 3084	1152	f9cf23b0c1ae0595dda037e74738a260bd4ec540801dbe8afb8d5369aea173e9.exe	75
PID 1152 wrote to memory of 3084	1152	f9cf23b0c1ae0595dda037e74738a260bd4ec540801dbe8afb8d5369aea173e9.exe	75

C:\Users\Admin\AppData\Local\Temp\f9cf23b0c1ae0595dda037e74738a260bd4ec540801dbe8afb8d5369aea173e9.exe
"C:\Users\Admin\AppData\Local\Temp\f9cf23b0c1ae0595dda037e74738a260bd4ec540801dbe8afb8d5369aea173e9.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Users\Admin\AppData\Local\Temp\f9cf23b0c1ae0595dda037e74738a260bd4ec540801dbe8afb8d5369aea173e9.exe
  ?
  2⤵
  - Suspicious behavior: GetForegroundWindowSpam
  PID:3084

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:2976

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1152-133-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/3084-134-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/3084-135-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download
memory/3084-138-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download
memory/3084-139-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download
memory/3084-140-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download
memory/3084-141-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads