cba8e191c614d6f70e4c81cd42cd4dd73a4758d7702b99450a053d57c0f3eeff

Analysis

max time kernel
143s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 17:37

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General

Target

08bd4fd8965191d00b8ca41f0f573a0f.pdf
Size

94KB
MD5

08bd4fd8965191d00b8ca41f0f573a0f
SHA1

674088d21481f7219416666c1a91d304ae406809
SHA256

cba8e191c614d6f70e4c81cd42cd4dd73a4758d7702b99450a053d57c0f3eeff
SHA512

5338e1a8848f06351168e2d328e6a880104fa1f02425780f5f41a76480403e05ea2d5d54cd0c01c4b1db17051169f505572405b50b2d5a0c0f1490db9e7c1873
SSDEEP

1536:b9Jcq746JC0dJ9+vQKZgdJ91jDf+kt2U9GaqFFnXzifDnj9WHZIbiBV+oU1WapOE:HZ4eC2wvQKad71j7+w2U9GaqjX2fDnAI

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1644	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe
1644	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 2188	1644	AcroRd32.exe	94
PID 1644 wrote to memory of 2188	1644	AcroRd32.exe	94
PID 1644 wrote to memory of 2188	1644	AcroRd32.exe	94
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 2752	2188	RdrCEF.exe	95
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96
PID 2188 wrote to memory of 4256	2188	RdrCEF.exe	96

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\08bd4fd8965191d00b8ca41f0f573a0f.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:1644
- 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:2188
- - 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=A41802B7A04891AB1DB7E627B935B2CE --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2752
- - 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=744CD8D1C1EE45FF882BEE550FD6C6A6 --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=744CD8D1C1EE45FF882BEE550FD6C6A6 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4256
- - 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=D9E4B5F42BF04AF2F30556878A02808E --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=D9E4B5F42BF04AF2F30556878A02808E --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:460
- - 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=F0104F3B074E32BE95F4979FDEC2698D --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2200
- - 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=8C5469605D94D41E03F244389508E0D3 --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4700
- - 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=3868EF10525CD698DB8CA91F24DB3229 --mojo-platform-channel-handle=2480 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1424

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2388

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
3cf324d246cccdcf8060ea1014b8c658

SHA1
f9e76a491281582e7b684b516d353b0aefaa8572

SHA256
30405ac89e74b4730ef271a5a988b7d53a52fe1613d3f7ec605fdb5a97079704

SHA512
cc412c2c8445854a8c87599b23f86d43a9f6521babcd6c4630b1ee06520899880106c08b7946eaa0d93a36aba07d48f4df44ce3cac4103604e45cdd45e74ca61

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