8e4331d52ceef7e4331682ed990acbc673e137f0ab194c4cb546b0faa5c32341

Analysis

max time kernel
23s
max time network
24s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 04:19

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General

Target

27e44811411a982a3bd4a7c2b54b24b9.exe
Size

127KB
MD5

27e44811411a982a3bd4a7c2b54b24b9
SHA1

bf1c1306fa9652b6c306871987778e454cc39c04
SHA256

8e4331d52ceef7e4331682ed990acbc673e137f0ab194c4cb546b0faa5c32341
SHA512

d097b941a6c1de7de7c696467ff8a32c6117b26d45bdcdcdf965a79833251f655b8fc26b8a4a9e14b89ca54fb3cab02b12c8b4a58542dc7f3c28c648c80a59b6
SSDEEP

3072:PRzDmRIVgdnTzhtjDbg2v02fa/OkG1CYT9TZ0KS8ihL4NhT3X7foutY:PRfqTd5P+C1fTffS866hffoS

Score

8^/10

discovery persistence upx

Malware Config

Signatures

Drops file in Drivers directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\drivers\pxon5xyxz3.sys	27e44811411a982a3bd4a7c2b54b24b9.exe
File created	C:\Windows\SysWOW64\drivers\4ct3.sys	27e44811411a982a3bd4a7c2b54b24b9.exe
File opened for modification	C:\Windows\SysWOW64\drivers\4ct3.sys	27e44811411a982a3bd4a7c2b54b24b9.exe
File created	C:\Windows\SysWOW64\drivers\pxon5xyxz3.sys	27e44811411a982a3bd4a7c2b54b24b9.exe

Sets service image path in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\4ct3\ImagePath = "system32\\drivers\\4ct3.sys"	27e44811411a982a3bd4a7c2b54b24b9.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\pxon5xyxz3\ImagePath = "system32\\drivers\\pxon5xyxz3.sys"	27e44811411a982a3bd4a7c2b54b24b9.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2180-0-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2180-6-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2180-10-0x0000000000400000-0x000000000044B000-memory.dmp	upx

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\piq160afr8.dll	27e44811411a982a3bd4a7c2b54b24b9.exe
File opened for modification	C:\Windows\SysWOW64\piq160afr8.dll	27e44811411a982a3bd4a7c2b54b24b9.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
464	Process not Found
464	Process not Found

C:\Users\Admin\AppData\Local\Temp\27e44811411a982a3bd4a7c2b54b24b9.exe
"C:\Users\Admin\AppData\Local\Temp\27e44811411a982a3bd4a7c2b54b24b9.exe"
1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Drops file in System32 directory
PID:2180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2180-0-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2180-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2180-10-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads