f6a83e6ed8bf92b8ff4da0aba72fe354199ec79a99008b34800e4cfdb92d3a67

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 03:48

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General

Target

WcsPlugInService.ex.exe
Size

113KB
MD5

f9a974c8ed6793c226101c10af7542db
SHA1

5719e5b45721af9ac9652332f2001d984e1d9a45
SHA256

8f0c20eab317c9416ad6dd602013528dca8ee1467b111019fe6704ff8da6a241
SHA512

1f00ca5c9fdb1ca8fe6d9b9728da6b3aac57b72e17e528ec37e77cdf6ae1cd52384b0ae8256e2f74f88ba87c9e90c575a0a8ebf729f894590fe71d5e6ce608d3
SSDEEP

3072:pxuZMpyk7A79E6rdAXpRCxv/sqJ5SjTOaiZl7ObWlx+T:pYf79JAXKxHs0S3OaiZ1Oiv

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral7/memory/1628-0-0x0000000000FF0000-0x0000000001029000-memory.dmp	upx
behavioral7/memory/1628-12-0x0000000000FF0000-0x0000000001029000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1636	1732	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WcsPlugInService.ex.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1628	WcsPlugInService.ex.exe
1628	WcsPlugInService.ex.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 1732	1628	WcsPlugInService.ex.exe	30
PID 1628 wrote to memory of 1732	1628	WcsPlugInService.ex.exe	30
PID 1628 wrote to memory of 1732	1628	WcsPlugInService.ex.exe	30
PID 1628 wrote to memory of 1732	1628	WcsPlugInService.ex.exe	30
PID 1628 wrote to memory of 1732	1628	WcsPlugInService.ex.exe	30
PID 1628 wrote to memory of 1732	1628	WcsPlugInService.ex.exe	30
PID 1628 wrote to memory of 1732	1628	WcsPlugInService.ex.exe	30
PID 1732 wrote to memory of 1636	1732	msiexec.exe	31
PID 1732 wrote to memory of 1636	1732	msiexec.exe	31
PID 1732 wrote to memory of 1636	1732	msiexec.exe	31
PID 1732 wrote to memory of 1636	1732	msiexec.exe	31

C:\Users\Admin\AppData\Local\Temp\WcsPlugInService.ex.exe
"C:\Users\Admin\AppData\Local\Temp\WcsPlugInService.ex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1732
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 268
    3⤵
    - Program crash
    PID:1636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1628-0-0x0000000000FF0000-0x0000000001029000-memory.dmp

Filesize
228KB

Download
memory/1628-1-0x0000000000AF0000-0x0000000000B09000-memory.dmp

Filesize
100KB

Download
memory/1628-8-0x0000000000200000-0x0000000000215000-memory.dmp

Filesize
84KB

Download
memory/1628-2-0x0000000000200000-0x0000000000215000-memory.dmp

Filesize
84KB

Download
memory/1628-12-0x0000000000FF0000-0x0000000001029000-memory.dmp

Filesize
228KB

Download
memory/1732-14-0x0000000000FA0000-0x0000000000FB4000-memory.dmp

Filesize
80KB

Download
memory/1732-13-0x0000000000FA0000-0x0000000000FB4000-memory.dmp

Filesize
80KB

Download
memory/1732-16-0x0000000000FA0000-0x0000000000FB4000-memory.dmp

Filesize
80KB

Download