d2042c33fbd0160ae9dc2d2bafaf4035d23460e937fc3ed1f239a4c42d39e991

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03-02-2024 05:28

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General

Target

8b833bb23b245672194800044ac6c9b4.pdf
Size

15KB
MD5

8b833bb23b245672194800044ac6c9b4
SHA1

f44c9f3571cae1eadb06ff5101c21e546adc1237
SHA256

d2042c33fbd0160ae9dc2d2bafaf4035d23460e937fc3ed1f239a4c42d39e991
SHA512

8b5006c56b183daae1f328b8e05bccad8e4392fdcbabe25e69ffb4faf9780625e23b4187de8f14d24234d0440c6e7c9323d47e171b97882e394f15cf5a04913f
SSDEEP

192:4ONyCeewIjJizx3jDyKSyo34G3fLnsXWZG1mLGVlaGKr7fHRXrcCXOb+qGBuxyO3:4ONyCeewIjJizsj2ALVzHdrcC+MLuv

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4060	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4060 wrote to memory of 3208	4060	AcroRd32.exe	87
PID 4060 wrote to memory of 3208	4060	AcroRd32.exe	87
PID 4060 wrote to memory of 3208	4060	AcroRd32.exe	87
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 1732	3208	RdrCEF.exe	90
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91
PID 3208 wrote to memory of 4424	3208	RdrCEF.exe	91

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\8b833bb23b245672194800044ac6c9b4.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:4060
- 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:3208
- - 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=D5ED9502AE8330A0C9E19BD6C0FC3158 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1732
- - 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=948F4D489061B0E543890785C1EF0318 --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=948F4D489061B0E543890785C1EF0318 --renderer-client-id=2 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4424
- - 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=A181B87E8E369CDF52D38557E96B4203 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4672
- - 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=38B162AAB157970B443B65561A0103B1 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2852
- - 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=B63D91D7F11FEAC9532C21E63458641F --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4956
- - 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=C43386D1F56670F7996C8505354370D3 --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=C43386D1F56670F7996C8505354370D3 --renderer-client-id=7 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1620

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3076

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
1377bd9898daffcf1c79dc5d74437e08

SHA1
f99ed6a834a3d632639db8d83923f56527452e68

SHA256
ca552bf91e7b912407aea68b5b3c459e81c8950dd025ff09e15f6c2a00f9f097

SHA512
abfd9a6ca489c851317191371c5c1e7aae17a4729441e85254cebd0618489c1e38317e56067337dca0cbe9c62e1568310ce33de2f28a51c9c356222bf1b4f178

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