99e8ae6e1c04ce94b6fd8505bb4141a189910e0e263a22523fa7d87e7c280108

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 02:24

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General

Target

8dfbdbdf9797aeff1d942ba5e37403a7.pdf
Size

79KB
MD5

8dfbdbdf9797aeff1d942ba5e37403a7
SHA1

ad6d127b0f34ff14b17385f16adb9a4c1dc1edfe
SHA256

99e8ae6e1c04ce94b6fd8505bb4141a189910e0e263a22523fa7d87e7c280108
SHA512

fd039d864f2d4c25061e764ce85e3e45eeb5fe53abcf85bc0a78eb0b0d51b866dacc1a5375e9faa2a588726a4b6c5139dd3655d7770df90c4c1693acaa7e6485
SSDEEP

1536:wVUMr7otgoQFHrfol0HnAFFCKTBuK+SNI/MTiqwW52FTfcE5Wb+ohX+0SQrWcpOg:o/cgoQJwKHkVTBrTirUEZXAqybnSs9

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5500	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe
5500	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5500 wrote to memory of 2712	5500	AcroRd32.exe	89
PID 5500 wrote to memory of 2712	5500	AcroRd32.exe	89
PID 5500 wrote to memory of 2712	5500	AcroRd32.exe	89
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 6104	2712	RdrCEF.exe	91
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90
PID 2712 wrote to memory of 1604	2712	RdrCEF.exe	90

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\8dfbdbdf9797aeff1d942ba5e37403a7.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:5500
- 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:2712
- - 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=5458CF5B743C35BC77981FA1B92550E0 --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=5458CF5B743C35BC77981FA1B92550E0 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1604
- - 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=C43BED7EFAAC8789CF209F06225B695F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:6104
- - 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=AAFBE12EB04B96A821C2D1AAFE5D3C90 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3740
- - 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=A8EE0CF2AD5672C6300012B2683AF673 --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=A8EE0CF2AD5672C6300012B2683AF673 --renderer-client-id=5 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5496
- - 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=137BEA78A825E596696F4E068C5E1A95 --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4036
- - 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=EE5AD57A3C359E25ADAF787481A99017 --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5628

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5340

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
20KB

MD5
ffb611cace97d7953aefa2a21921f5dc

SHA1
ac701ad8c1142c8e12425d7b19fdcd162ccac11a

SHA256
79ee30099574780b427796791d7065c93a77b27d729e4d560cf3ee3785bb4271

SHA512
e096e02943ee551bb9986ec6d8246137c183d30a114f84994f1dc634cbfb182ec45424c1537e1036b6044d3cfde73d0028b4fc8eda77772dcd6342e0475ab950

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit