98702b035aaf0abded64284dd019d15f3d8edbb9489d91b606ceb8e9f8cb4170

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 12:31

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General

Target

8f28164d87337210d9a4695a516d4df4.pdf
Size

96KB
MD5

8f28164d87337210d9a4695a516d4df4
SHA1

b9e17f6cdd16a12e5b4d0f5715e7ee3b6e09d9f6
SHA256

98702b035aaf0abded64284dd019d15f3d8edbb9489d91b606ceb8e9f8cb4170
SHA512

b35e559486376013440c7645b4dbb1e910c1f7800cafc45f8d766fbd4c06ed6bb9b09244c585398a6890604f71d711f86562e849549b9e30ffb471141499e56c
SSDEEP

1536:reqxxL5qjj2hLTAVbPTZN96dOtKlKHGKVwKdfCD8c6W+JqRcIzeWepOiXD+4Cn4k:3jKNVbPTarlDKdenwJqRc+/iXPkC9Y

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1732	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe
1732	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2192	1732	AcroRd32.exe	94
PID 1732 wrote to memory of 2192	1732	AcroRd32.exe	94
PID 1732 wrote to memory of 2192	1732	AcroRd32.exe	94
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 3272	2192	RdrCEF.exe	95
PID 2192 wrote to memory of 4668	2192	RdrCEF.exe	96
PID 2192 wrote to memory of 4668	2192	RdrCEF.exe	96
PID 2192 wrote to memory of 4668	2192	RdrCEF.exe	96
PID 2192 wrote to memory of 4668	2192	RdrCEF.exe	96
PID 2192 wrote to memory of 4668	2192	RdrCEF.exe	96
PID 2192 wrote to memory of 4668	2192	RdrCEF.exe	96
PID 2192 wrote to memory of 4668	2192	RdrCEF.exe	96
PID 2192 wrote to memory of 4668	2192	RdrCEF.exe	96
PID 2192 wrote to memory of 4668	2192	RdrCEF.exe	96
PID 2192 wrote to memory of 4668	2192	RdrCEF.exe	96
PID 2192 wrote to memory of 4668	2192	RdrCEF.exe	96
PID 2192 wrote to memory of 4668	2192	RdrCEF.exe	96
PID 2192 wrote to memory of 4668	2192	RdrCEF.exe	96
PID 2192 wrote to memory of 4668	2192	RdrCEF.exe	96
PID 2192 wrote to memory of 4668	2192	RdrCEF.exe	96
PID 2192 wrote to memory of 4668	2192	RdrCEF.exe	96
PID 2192 wrote to memory of 4668	2192	RdrCEF.exe	96
PID 2192 wrote to memory of 4668	2192	RdrCEF.exe	96
PID 2192 wrote to memory of 4668	2192	RdrCEF.exe	96
PID 2192 wrote to memory of 4668	2192	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\8f28164d87337210d9a4695a516d4df4.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2192
- - 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=1D2FB84BD668468A01BA93659EFBDFAE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3272
- - 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=2831CA329562B0BA9B959356D20EE187 --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=2831CA329562B0BA9B959356D20EE187 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4668
- - 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=DA03109FF96087131AF4BBE4DA8A83D8 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2556
- - 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=1BD9F8C365056E36626B5E2EB81CAE4C --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3232
- - 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=3BB742D0A1CE35DBD499CF1E8CF56DBB --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=3BB742D0A1CE35DBD499CF1E8CF56DBB --renderer-client-id=6 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2436
- - 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=200EF755C6536D1F711F5271DD0D75F8 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4784

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4580

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
b161fbb9423f541dd0b95f3e02bddc94

SHA1
38afc748eb5c0394ed4caf5a8998b1c66172c674

SHA256
8b737c260cec6cce2fd31fe85f27fd10a1f151b76d6927c6ed9e589b60e820c7

SHA512
7a153f67d3333f261dc4666f0a6936f375d6eaec2b35a927a01d846ce5662e836d6222f6e35422d32e005d769d475e7542fab3065d7eb7257fef66624313916d

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/1732-132-0x000000000A000000-0x000000000A14D000-memory.dmp

Filesize
1.3MB

Download