02cb95700440b100604ece78649b2ef41b2b7ea8ff68afbb02a01148a3f7c106

Resubmissions

30-12-2024 19:51

241230-yk1f8awkfk 10

20-09-2024 23:58

240920-31bv1svgna 10

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 19:51

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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

1^/10

Malware Config

Signatures

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	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2192	WINWORD.EXE
2192	WINWORD.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2192	WINWORD.EXE
2192	WINWORD.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
2192	WINWORD.EXE
2192	WINWORD.EXE
2192	WINWORD.EXE
2192	WINWORD.EXE
2192	WINWORD.EXE
2192	WINWORD.EXE
2192	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 4892	2192	WINWORD.EXE	84
PID 2192 wrote to memory of 4892	2192	WINWORD.EXE	84

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\originalfile\PlugX_RTF_dropper_42fba80f105aa53dfbf50aeba2d73cae.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:4892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\WebServiceCache\AllUsers\officeclient.microsoft.com\EC0AB685-5447-4AF3-BC06-C521BD113CEB

Filesize
3B

MD5
8a80554c91d9fca8acb82f023de02f11

SHA1
5f36b2ea290645ee34d943220a14b54ee5ea5be5

SHA256
ca3d163bab055381827226140568f3bef7eaac187cebd76878e0b63e9e442356

SHA512
ca4b6defb8adcc010050bc8b1bb8f8092c4928b8a0fba32146abcfb256e4d91672f88ca2cdf6210e754e5b8ac5e23fb023806ccd749ac8b701f79a691f03c87a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\9AB499C.wmf

Filesize
642B

MD5
4f03b86e4d6631c26ff5fffc7332be1d

SHA1
14952a78ea51df67d5b5b6c6b4de3d96ba7935bd

SHA256
83f4ea26254d69825486bffd1d400217aac7245c5c48fe5acc3ccdea173c4851

SHA512
4bed29b66444d826e89589b55dd786758ff68fcd2daf8296703d4443edb991fffce563e20db22bfb34fdb488638bbb43252392b6c105d12e721329adc2774632

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

Filesize
3KB

MD5
17308575843dbb1c3ed61c7a2a9ee765

SHA1
05474368ea631304a55f475af74729d937aaec52

SHA256
e1dc4ecfc2253626d22063a02482c271e12b01746db48be4cdf93338890a58a1

SHA512
fa316b80a80eb8e29adca01ac2f753e701b2b14daa1c51bd8b15d54717bef48141962df58f187fc70c6fae4e60b8a210d6b40db91240ce15502f659e1c60a53e

Download Submit
memory/2192-15-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2192-11-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2192-5-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2192-6-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2192-8-0x00007FFCEA1D0000-0x00007FFCEA1E0000-memory.dmp

Filesize
64KB

Download
memory/2192-7-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2192-12-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2192-14-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2192-16-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2192-1-0x00007FFCEA1D0000-0x00007FFCEA1E0000-memory.dmp

Filesize
64KB

Download
memory/2192-17-0x00007FFCE8110000-0x00007FFCE8120000-memory.dmp

Filesize
64KB

Download
memory/2192-2-0x00007FFCEA1D0000-0x00007FFCEA1E0000-memory.dmp

Filesize
64KB

Download
memory/2192-10-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2192-9-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2192-18-0x00007FFCE8110000-0x00007FFCE8120000-memory.dmp

Filesize
64KB

Download
memory/2192-13-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2192-3-0x00007FFCEA1D0000-0x00007FFCEA1E0000-memory.dmp

Filesize
64KB

Download
memory/2192-35-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2192-36-0x00007FFD2A1ED000-0x00007FFD2A1EE000-memory.dmp

Filesize
4KB

Download
memory/2192-37-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2192-38-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2192-4-0x00007FFCEA1D0000-0x00007FFCEA1E0000-memory.dmp

Filesize
64KB

Download
memory/2192-0-0x00007FFD2A1ED000-0x00007FFD2A1EE000-memory.dmp

Filesize
4KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads