5bcb60217ec7b73c9e133d7a33835e0739475c57a3a3c6df68a9299c7634e5bd

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 14:27

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General

Target

3d17a111a26eb8666740463154aeb94e.pdf
Size

102KB
MD5

3d17a111a26eb8666740463154aeb94e
SHA1

34eac1fa38e2b6b63f0c448734eb4d0598a8a6df
SHA256

5bcb60217ec7b73c9e133d7a33835e0739475c57a3a3c6df68a9299c7634e5bd
SHA512

7fa10e9f37afd268f0d73aaaa2a94f210b432d445561d858ee68fe5f940253d3f672e69e679e0ab6e559136b43be36feb65da848bd99263be6652cf3bba8b40e
SSDEEP

3072:okq6lxkwzsq5bs48jgxqAld/lY8Bw7Yy3KImAhYyfz:o1wXZyjgQQ/BiYjg

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
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4460	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 4168	4460	AcroRd32.exe	93
PID 4460 wrote to memory of 4168	4460	AcroRd32.exe	93
PID 4460 wrote to memory of 4168	4460	AcroRd32.exe	93
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 780	4168	RdrCEF.exe	94
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95
PID 4168 wrote to memory of 4044	4168	RdrCEF.exe	95

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\3d17a111a26eb8666740463154aeb94e.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:4460
- 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:4168
- - 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=6D490845ABC6B425B3D8427800A601DB --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:780
- - 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=E261D9C6E83CC1919F108D440F43CF3D --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=E261D9C6E83CC1919F108D440F43CF3D --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    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=7EEEF20D77BF99F6E050A61193493223 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2180
- - 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=E6B2E49DA0FFE0B96FB8E618DBA8DA7A --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=E6B2E49DA0FFE0B96FB8E618DBA8DA7A --renderer-client-id=5 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2628
- - 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=2C79597B314128FED048200241C23D1A --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3144
- - 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=2535AB2F8AE371CAAE52830CD4C68D1B --mojo-platform-channel-handle=2836 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3424

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1052

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
d9126a389aae7c89213f8f31c8310982

SHA1
773415ef2fb0870b1f00a86bf2e6324efa15c4cc

SHA256
8b2a0ff7807ac5e206128ca2f3231fe5c4fca5ce0d7e8045f13475efd8f78485

SHA512
e4db8fb2adb23695f41d424bb96f5cfec96db3622a447dd7512c9435a8b89ae9a22137f334effecb52a894ee9e40384f8cd310d97751be2cb20cdf03da8bddc2

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/4460-26-0x000000000CF90000-0x000000000CFB1000-memory.dmp

Filesize
132KB

Download