9b9600ebfe6b0f744bc3b96f6bd6010d52942b2bea53781e210601b2df997889

Analysis

max time kernel
167s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 18:52

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General

Target

35dab38dc0e74f4396bb2b1becca7484.pdf
Size

92KB
MD5

35dab38dc0e74f4396bb2b1becca7484
SHA1

b783cdfbf39eb7874bfdfe3545ac9071ee696062
SHA256

9b9600ebfe6b0f744bc3b96f6bd6010d52942b2bea53781e210601b2df997889
SHA512

0e04202c259a783019124c25cd555d3df74c7ca9b2ded81c88c3840ff959ed97a9c8fe75b585e935104fadefacc9417d718cb371e1ecc7b0d5340465948ca47c
SSDEEP

1536:zVFeF1mk0ZSzrC52GdpHsy1K7z0M0Ab/D5yaLWC98xNmqIUFwbHW1E6aQbnWepOs:LsX0AG4G3My1yzl0w5yaT98xUtUFwbLE

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2728	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe
2728	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 1504	2728	AcroRd32.exe	95
PID 2728 wrote to memory of 1504	2728	AcroRd32.exe	95
PID 2728 wrote to memory of 1504	2728	AcroRd32.exe	95
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3044	1504	RdrCEF.exe	96
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97
PID 1504 wrote to memory of 3460	1504	RdrCEF.exe	97

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\35dab38dc0e74f4396bb2b1becca7484.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:2728
- 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:1504
- - 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=11D9F123A1A590BAB016B6D03E74FC64 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3044
- - 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=A89A6F4E31C1E43F6D70C43FA702718A --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=A89A6F4E31C1E43F6D70C43FA702718A --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3460
- - 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=8605EDB4F6E063CF65B8A460DCFABD22 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4228
- - 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=3999C87B78535875B7D668F625112489 --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=3999C87B78535875B7D668F625112489 --renderer-client-id=5 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3796
- - 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=A95059F560630856AEF08D98E5FAF86A --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4804
- - 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=39159BF84FB9F6CF7F0F9E5CD8FAABDE --mojo-platform-channel-handle=2740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1708

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1648

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
98122ac405a4b70983b1753813821132

SHA1
b9cc600b5cc11c84e2a781b14e77e7d34b47abe3

SHA256
0dea8bdb4dc0c16cd0314700b3e6e88174ba8f8e0b65657685fa8dc1a7524116

SHA512
5cfa959a7b0dfa011b61b10480376454af17b65d39e0bf4c9660b2b8c0383110f33f91d3d192b3245387d5d4011f60db07d517ee7910d50d64d8aa06facb1178

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