a794ac78882a744b97acebed7a6a76ac8b3cfdef9d38bd891aa262081e303d52

Analysis

max time kernel
140s
max time network
147s
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/colormanage/figures/source_intent.pdf
Size

71KB
MD5

99d1cd439cc183da4d3021cdbd9109a9
SHA1

f12ed5036829cfe53948eae308713c692e6aaf2c
SHA256

19b986d57e5fb91bf7ec32f3aa03263e54a00d3b1a6f1ff1a6229282424d6e02
SHA512

3b53694ca7912fa4961dfc739b3b3a1174bee26c7c242080c093280687a87da20b1e333e6f28994e0c0b59c6fe645f2a5cc45d2be0a8ce15a8e99d785063ba61
SSDEEP

1536:EnJmwD0uofwdBW+VcpDAB6PxMMzvlylT8oHkHtuta7z:E7b5mB6ggTJ6Ac

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3632047111-1948211978-3010235048-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5668	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe
5668	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5668 wrote to memory of 2668	5668	AcroRd32.exe	80
PID 5668 wrote to memory of 2668	5668	AcroRd32.exe	80
PID 5668 wrote to memory of 2668	5668	AcroRd32.exe	80
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 1828	2668	RdrCEF.exe	81
PID 2668 wrote to memory of 4760	2668	RdrCEF.exe	82
PID 2668 wrote to memory of 4760	2668	RdrCEF.exe	82
PID 2668 wrote to memory of 4760	2668	RdrCEF.exe	82
PID 2668 wrote to memory of 4760	2668	RdrCEF.exe	82
PID 2668 wrote to memory of 4760	2668	RdrCEF.exe	82
PID 2668 wrote to memory of 4760	2668	RdrCEF.exe	82
PID 2668 wrote to memory of 4760	2668	RdrCEF.exe	82
PID 2668 wrote to memory of 4760	2668	RdrCEF.exe	82
PID 2668 wrote to memory of 4760	2668	RdrCEF.exe	82
PID 2668 wrote to memory of 4760	2668	RdrCEF.exe	82
PID 2668 wrote to memory of 4760	2668	RdrCEF.exe	82
PID 2668 wrote to memory of 4760	2668	RdrCEF.exe	82
PID 2668 wrote to memory of 4760	2668	RdrCEF.exe	82
PID 2668 wrote to memory of 4760	2668	RdrCEF.exe	82
PID 2668 wrote to memory of 4760	2668	RdrCEF.exe	82
PID 2668 wrote to memory of 4760	2668	RdrCEF.exe	82
PID 2668 wrote to memory of 4760	2668	RdrCEF.exe	82
PID 2668 wrote to memory of 4760	2668	RdrCEF.exe	82
PID 2668 wrote to memory of 4760	2668	RdrCEF.exe	82
PID 2668 wrote to memory of 4760	2668	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\colormanage\figures\source_intent.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:5668
- 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:2668
- - 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=F2C7ABF5000CD8835E8DA6AD63FE0EC3 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=8414BF2173AC94557BAC9FCB8DE6F8A0 --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=8414BF2173AC94557BAC9FCB8DE6F8A0 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4760
- - 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=C8E7BC12DB349B740F86907C45B66CE0 --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=C8E7BC12DB349B740F86907C45B66CE0 --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5160
- - 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=5BACCC3C456C678A864B14961C2DF7F7 --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4524
- - 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=E2B9B549AA837ABC1A0A879B5923B78E --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4044
- - 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=61C9814CF2A456366F988F99B30CBB27 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5020

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3512

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

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Downloads

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

Filesize
64KB

MD5
54fe1c7422380e7c3fe009e064314758

SHA1
c8cb6c55ab73b1bb0b486076341920d378ba4a21

SHA256
ecca3a4c8f71a11aa72be49de84c454f35b83de6a25c79499f5d1c499e552941

SHA512
3b5cf0cad42ea8535ea991a4930b06ea6d96e585e2e480fda9504ee341e0d496f39cc712970b50405096aef240a5b00c64bf8eb34d8f3a989cd69f6c82869c03

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/5668-134-0x000000000ACD0000-0x000000000AF7B000-memory.dmp

Filesize
2.7MB

Download