a794ac78882a744b97acebed7a6a76ac8b3cfdef9d38bd891aa262081e303d52

Analysis

max time kernel
144s
max time network
162s
platform
windows11-21h2_x64
resource
win11-20231215-en
resource tags

arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
submitted
01/02/2024, 15:22

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General

Target

doc/GS9_Color_Management.pdf
Size

6.3MB
MD5

e388ff591e05151341abfd2b86940894
SHA1

41a108fc21fafd2449c7aa5f152c73c7172fadc3
SHA256

42f7aa0dc0e0fa98d0811a631d8e665ce68ce236cdb80b4fe558a2196ff786a1
SHA512

b232cc1a4e7eb16145026d2ba635f205db2c810643a893152cb5bb678429e8c238b9dbabc5e14b099a98d8093fcb71861d9c174126ade3957eb90ad84b7daab2
SSDEEP

196608:QTaDGktLW219RsTKiJJDm9OJxa7wp1X2u8WF:QmCk4KHsWiJJD6mx8C2e

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 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	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3213149797-706813642-929964373-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1936	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 1828	1936	AcroRd32.exe	80
PID 1936 wrote to memory of 1828	1936	AcroRd32.exe	80
PID 1936 wrote to memory of 1828	1936	AcroRd32.exe	80
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 3376	1828	RdrCEF.exe	81
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82
PID 1828 wrote to memory of 4304	1828	RdrCEF.exe	82

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\doc\GS9_Color_Management.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1828
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=549CECC79B605ABB25C940A964A6595D --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3376
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=1AA94BE917FCAEAA6D790FC778B5DC54 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=1AA94BE917FCAEAA6D790FC778B5DC54 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4304
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=388014F4253161B1E32D742E0A68E5FE --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4772
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=3E20F8111F17A6695408750F8DD3FF39 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=3E20F8111F17A6695408750F8DD3FF39 --renderer-client-id=5 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5552
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=846940B2B04D3671F90FB3937527EB21 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5548
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=853F4D5E4238B18B803B3184CC11CC0B --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3624
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  PID:2328

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
22b6fc58f584f7174d6dcb037ef35943

SHA1
b5dea0ae35a3c6d8c3ddc32f0103d72ec88234b7

SHA256
c2540c3c410da0e6ea9f5d996baae93a2332bd97a4793c8ad8cf6b77d3e733db

SHA512
71ec27e1f5a4d2e17142ef57b2229a86c4733f92f92525366136a0fa4f079999c88341522d038b245bdd5d66bc39f5e6a13029a953d4532c3641b53ede7d187f

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/1936-130-0x000000000C0B0000-0x000000000C35B000-memory.dmp

Filesize
2.7MB

Download