02cb95700440b100604ece78649b2ef41b2b7ea8ff68afbb02a01148a3f7c106

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
20-09-2024 23:58

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General

Target

originalfile/PlugX_RTF_dropper_42fba80f105aa53dfbf50aeba2d73cae.rtf
Size

507KB
MD5

42fba80f105aa53dfbf50aeba2d73cae
SHA1

a49b135a66afba5713936d4758ca5d40f19b9e71
SHA256

ac7d02465d0b1992809e16aaae2cd779470a99e0860c4d8a2785d97ce988667b
SHA512

b42b529585da21bae4d36fb1e9b5f2471e77d87505db91f8859068816d355fdd8b4aaaa922512a8a39259b247b9aeaeba92cfb0ab5140122f83dd163b8ed00cf
SSDEEP

6144:h5LReC+jODUJ6aCujPjtNbShm6YNYa2Zg3:h5o3jOU6aCCtw8p

Score

4^/10

discovery

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

WINWORD.EXE

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WINWORD.EXE
Office loads VBA resources, possible macro or embedded object present

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2C247F22-8591-11D1-B16A-00C0F0283628}\ = "ImageListEvents"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{66833FE9-8583-11D1-B16A-00C0F0283628}\TypeLib\ = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E3867A1-8586-11D1-B16A-00C0F0283628}	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E3867A2-8586-11D1-B16A-00C0F0283628}\ = "IStatusBarEvents"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DD9DA665-8594-11D1-B16A-00C0F0283628}	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DD9DA664-8594-11D1-B16A-00C0F0283628}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{66833FE7-8583-11D1-B16A-00C0F0283628}\ProxyStubClsid32	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E3867A2-8586-11D1-B16A-00C0F0283628}\TypeLib\Version = "2.0"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDD1F050-858B-11D1-B16A-00C0F0283628}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDD1F04C-858B-11D1-B16A-00C0F0283628}\ProxyStubClsid32	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDD1F051-858B-11D1-B16A-00C0F0283628}\TypeLib\Version = "2.0"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDD1F055-858B-11D1-B16A-00C0F0283628}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DD9DA665-8594-11D1-B16A-00C0F0283628}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8CBA3DC2-BEE6-4671-8B46-FCCBD86B9467}\2.0	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{66833FE9-8583-11D1-B16A-00C0F0283628}	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1EFB6597-857C-11D1-B16A-00C0F0283628}\TypeLib\Version = "2.0"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C74190B4-8589-11D1-B16A-00C0F0283628}\TypeLib\Version = "2.0"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C74190B7-8589-11D1-B16A-00C0F0283628}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F08DF952-8592-11D1-B16A-00C0F0283628}\TypeLib\ = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C74190B8-8589-11D1-B16A-00C0F0283628}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2C247F21-8591-11D1-B16A-00C0F0283628}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1EFB6599-857C-11D1-B16A-00C0F0283628}\TypeLib	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{66833FE4-8583-11D1-B16A-00C0F0283628}\ = "IToolbar"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{35053A20-8589-11D1-B16A-00C0F0283628}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C74190B7-8589-11D1-B16A-00C0F0283628}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDD1F049-858B-11D1-B16A-00C0F0283628}\ProxyStubClsid32	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2C247F21-8591-11D1-B16A-00C0F0283628}\ProxyStubClsid32	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C8A3DC00-8593-11D1-B16A-00C0F0283628}\TypeLib\ = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DD9DA662-8594-11D1-B16A-00C0F0283628}\TypeLib\Version = "2.0"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{66833FE4-8583-11D1-B16A-00C0F0283628}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\TypeLib	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1EFB6599-857C-11D1-B16A-00C0F0283628}\TypeLib\Version = "2.0"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DD9DA660-8594-11D1-B16A-00C0F0283628}\TypeLib	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DD9DA660-8594-11D1-B16A-00C0F0283628}\TypeLib\ = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DD9DA664-8594-11D1-B16A-00C0F0283628}\TypeLib\ = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E3867A1-8586-11D1-B16A-00C0F0283628}\ = "IStatusBar"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E3867AA-8586-11D1-B16A-00C0F0283628}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E3867AA-8586-11D1-B16A-00C0F0283628}\TypeLib	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C74190B7-8589-11D1-B16A-00C0F0283628}\ProxyStubClsid32	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDD1F04A-858B-11D1-B16A-00C0F0283628}\ = "ListViewEvents"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DD9DA660-8594-11D1-B16A-00C0F0283628}	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{66833FED-8583-11D1-B16A-00C0F0283628}\TypeLib\ = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1EFB6595-857C-11D1-B16A-00C0F0283628}\TypeLib	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{66833FE5-8583-11D1-B16A-00C0F0283628}\TypeLib\Version = "2.0"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E3867A1-8586-11D1-B16A-00C0F0283628}\TypeLib	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E3867A4-8586-11D1-B16A-00C0F0283628}\TypeLib\ = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E3867AA-8586-11D1-B16A-00C0F0283628}\TypeLib\Version = "2.0"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{66833FE5-8583-11D1-B16A-00C0F0283628}	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C8A3DC00-8593-11D1-B16A-00C0F0283628}\ = "IControls"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DD9DA660-8594-11D1-B16A-00C0F0283628}\ = "IComboItem"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{35053A21-8589-11D1-B16A-00C0F0283628}\ProxyStubClsid32	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C74190B5-8589-11D1-B16A-00C0F0283628}\TypeLib	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C74190B8-8589-11D1-B16A-00C0F0283628}\ = "INode"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDD1F04C-858B-11D1-B16A-00C0F0283628}\ = "IListItems"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{66833FEB-8583-11D1-B16A-00C0F0283628}\TypeLib	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{66833FE7-8583-11D1-B16A-00C0F0283628}\TypeLib	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\ = "IVBDataObjectFiles"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{66833FE9-8583-11D1-B16A-00C0F0283628}\ = "IButton"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDD1F04A-858B-11D1-B16A-00C0F0283628}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDD1F051-858B-11D1-B16A-00C0F0283628}\ProxyStubClsid32	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2C247F24-8591-11D1-B16A-00C0F0283628}\TypeLib	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1EFB6594-857C-11D1-B16A-00C0F0283628}\ = "ITabStrip"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1EFB6594-857C-11D1-B16A-00C0F0283628}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDD1F050-858B-11D1-B16A-00C0F0283628}\TypeLib\ = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

2548 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

2548 WINWORD.EXE
2548 WINWORD.EXE

pid	process
2548	WINWORD.EXE

pid	process
2548	WINWORD.EXE
2548	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 2548 wrote to memory of 1684	2548	WINWORD.EXE	splwow64.exe
PID 2548 wrote to memory of 1684	2548	WINWORD.EXE	splwow64.exe
PID 2548 wrote to memory of 1684	2548	WINWORD.EXE	splwow64.exe
PID 2548 wrote to memory of 1684	2548	WINWORD.EXE	splwow64.exe

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\originalfile\PlugX_RTF_dropper_42fba80f105aa53dfbf50aeba2d73cae.rtf"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1684

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

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\DF1FC020.wmf

Filesize
642B

MD5
4f03b86e4d6631c26ff5fffc7332be1d

SHA1
14952a78ea51df67d5b5b6c6b4de3d96ba7935bd

SHA256
83f4ea26254d69825486bffd1d400217aac7245c5c48fe5acc3ccdea173c4851

SHA512
4bed29b66444d826e89589b55dd786758ff68fcd2daf8296703d4443edb991fffce563e20db22bfb34fdb488638bbb43252392b6c105d12e721329adc2774632

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

Filesize
19KB

MD5
9a8afec0912fc61c578b08c15f604ec7

SHA1
f4b09e8d1f76cfa502e70d7c74b55401e2416741

SHA256
dc72d8341d9c95926fe86a0bc1eb965264b9a51c962f87335ca75420c9a711ff

SHA512
d0e50669c7392cdf863cb2db9c6d9a5d37ea991c4ea83cc3105e9ea58b67628e888698547fe2bd4f76520134a11f5951e35159ea2f681e28056cd4f543665e0b

Download Submit
memory/2548-0-0x000000002F4D1000-0x000000002F4D2000-memory.dmp

Filesize
4KB

Download
memory/2548-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2548-2-0x0000000073EBD000-0x0000000073EC8000-memory.dmp

Filesize
44KB

Download
memory/2548-13-0x0000000073EBD000-0x0000000073EC8000-memory.dmp

Filesize
44KB

Download
memory/2548-32-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download