c358eabaec8b0e533bc1e855175b77635c2d297cc53656024cf485341d40c0fe

Analysis

max time kernel
144s
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
30-12-2023 13:25

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General

Target

19ee832e5cd8c328ebaddc1eedcc2040.pdf
Size

87KB
MD5

19ee832e5cd8c328ebaddc1eedcc2040
SHA1

a37f386f62919bd05af1fec652192b0f60f4fd78
SHA256

c358eabaec8b0e533bc1e855175b77635c2d297cc53656024cf485341d40c0fe
SHA512

9e6ca2e0f77236bb42f9f8c197a876768b0a6663e13901421b9524c8a48fb5348d4a8730c0fac4fe1f8b50883618f311ad0d3c61863d8953c589652aad43c141
SSDEEP

1536:AkJ/2i1bkupIznmDoe5pouk6HpTEvI+51fgP5yYZ7kEbYziWxe8QOMvrW8pO+y/n:1J1PpAnmp5quvCgyAHIHivy+K

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
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2924	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 1368	2924	AcroRd32.exe	94
PID 2924 wrote to memory of 1368	2924	AcroRd32.exe	94
PID 2924 wrote to memory of 1368	2924	AcroRd32.exe	94
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3120	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 3896	1368	RdrCEF.exe	96
PID 1368 wrote to memory of 3896	1368	RdrCEF.exe	96
PID 1368 wrote to memory of 3896	1368	RdrCEF.exe	96
PID 1368 wrote to memory of 3896	1368	RdrCEF.exe	96
PID 1368 wrote to memory of 3896	1368	RdrCEF.exe	96
PID 1368 wrote to memory of 3896	1368	RdrCEF.exe	96
PID 1368 wrote to memory of 3896	1368	RdrCEF.exe	96
PID 1368 wrote to memory of 3896	1368	RdrCEF.exe	96
PID 1368 wrote to memory of 3896	1368	RdrCEF.exe	96
PID 1368 wrote to memory of 3896	1368	RdrCEF.exe	96
PID 1368 wrote to memory of 3896	1368	RdrCEF.exe	96
PID 1368 wrote to memory of 3896	1368	RdrCEF.exe	96
PID 1368 wrote to memory of 3896	1368	RdrCEF.exe	96
PID 1368 wrote to memory of 3896	1368	RdrCEF.exe	96
PID 1368 wrote to memory of 3896	1368	RdrCEF.exe	96
PID 1368 wrote to memory of 3896	1368	RdrCEF.exe	96
PID 1368 wrote to memory of 3896	1368	RdrCEF.exe	96
PID 1368 wrote to memory of 3896	1368	RdrCEF.exe	96
PID 1368 wrote to memory of 3896	1368	RdrCEF.exe	96
PID 1368 wrote to memory of 3896	1368	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\19ee832e5cd8c328ebaddc1eedcc2040.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:2924
- 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:1368
- - 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=78BFCE22A9D292258858851F8DA7065D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3120
- - 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=841F7042FBB8F87D8CEE4E440904AC11 --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=841F7042FBB8F87D8CEE4E440904AC11 --renderer-client-id=2 --mojo-platform-channel-handle=1820 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3896
- - 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=926AAF717368A50138804AC7102E1E85 --mojo-platform-channel-handle=2136 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3548
- - 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=41E4D1565BA88DD664F41DFCC7B0C44E --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4736
- - 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=3D6B54B27A3B3999BDBCA40A0FDEDA4B --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=3D6B54B27A3B3999BDBCA40A0FDEDA4B --renderer-client-id=6 --mojo-platform-channel-handle=2504 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4840
- - 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=4926DCA3B98159FC8E57CC51D324381C --mojo-platform-channel-handle=2144 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2996

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3352

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
992cd41d7439a86121b596553ae66c08

SHA1
0d3f31656900d0c76be5edf94d55697182a41148

SHA256
fc67e07368bc825c7c27f6d7427b9a6a0b5b31383c20fccc31f623c6667b5694

SHA512
07abcf4939c695503c088455378a89c666e62c1ef4c64f0c664beeddb4cc4afe94d28632078be138c915bc647737c9f2da4a33fd5a561305f98191fc259685ee

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