6b0b67e4781291cd0efc715923d900d5c6b0f7d3f2ff4ac8d0dcc25aeab00684

Analysis

max time kernel
142s
max time network
153s
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, 05:43

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General

Target

08f5dcf26e4c807ae2a13e2894d2b25f.pdf
Size

90KB
MD5

08f5dcf26e4c807ae2a13e2894d2b25f
SHA1

38477ec64a0fb0892993e566dbb67c453c42fcff
SHA256

6b0b67e4781291cd0efc715923d900d5c6b0f7d3f2ff4ac8d0dcc25aeab00684
SHA512

cb6a6404439e40b07b26bae756bcb4cce079fd33ef1a1630700ee573ca5ae3ca87fc266b5c1d761c830a9fe5a3e49427db66bf71bb303cd445b875a9634befff
SSDEEP

1536:tNHGY3hQ9ogpFazivhKKMHAuYWa8W0+xG/eal+Wj9MDK8Y1NlyfneWapOtQkW5R0:UCSq6kKMLYWa7b3K8EkfnjtQXQ

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
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
852	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 852 wrote to memory of 1872	852	AcroRd32.exe	94
PID 852 wrote to memory of 1872	852	AcroRd32.exe	94
PID 852 wrote to memory of 1872	852	AcroRd32.exe	94
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 3152	1872	RdrCEF.exe	95
PID 1872 wrote to memory of 1740	1872	RdrCEF.exe	96
PID 1872 wrote to memory of 1740	1872	RdrCEF.exe	96
PID 1872 wrote to memory of 1740	1872	RdrCEF.exe	96
PID 1872 wrote to memory of 1740	1872	RdrCEF.exe	96
PID 1872 wrote to memory of 1740	1872	RdrCEF.exe	96
PID 1872 wrote to memory of 1740	1872	RdrCEF.exe	96
PID 1872 wrote to memory of 1740	1872	RdrCEF.exe	96
PID 1872 wrote to memory of 1740	1872	RdrCEF.exe	96
PID 1872 wrote to memory of 1740	1872	RdrCEF.exe	96
PID 1872 wrote to memory of 1740	1872	RdrCEF.exe	96
PID 1872 wrote to memory of 1740	1872	RdrCEF.exe	96
PID 1872 wrote to memory of 1740	1872	RdrCEF.exe	96
PID 1872 wrote to memory of 1740	1872	RdrCEF.exe	96
PID 1872 wrote to memory of 1740	1872	RdrCEF.exe	96
PID 1872 wrote to memory of 1740	1872	RdrCEF.exe	96
PID 1872 wrote to memory of 1740	1872	RdrCEF.exe	96
PID 1872 wrote to memory of 1740	1872	RdrCEF.exe	96
PID 1872 wrote to memory of 1740	1872	RdrCEF.exe	96
PID 1872 wrote to memory of 1740	1872	RdrCEF.exe	96
PID 1872 wrote to memory of 1740	1872	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\08f5dcf26e4c807ae2a13e2894d2b25f.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:852
- 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:1872
- - 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=832B18FE38DACFDADF69C5CB8E79B7BE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3152
- - 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=D486779388A6BA4619E35916C036D8E6 --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=D486779388A6BA4619E35916C036D8E6 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1740
- - 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=5DBAF0C048332E6B84FE897109990B88 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4508
- - 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=5CA9BA3D7ABEDE36DB88945536868865 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3132
- - 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=009F23CA4CBE90AAAA6A3B04D6DE4E9C --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=009F23CA4CBE90AAAA6A3B04D6DE4E9C --renderer-client-id=6 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4960
- - 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=C76DAC01364A034FC3830FA2AFA5F39C --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1696

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:792

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
4f50c09e8a0864eed7ec202d2af91f08

SHA1
4b2bdfa50f79d76be1ec112caa479e085ab75875

SHA256
681934b148c4ebd0db341b9bfd9639478278f11011d5f14396a37d92679e2e2f

SHA512
4ccbe8a2239849247ef724c4b3261e71ada2faa86717341a23266a2cf2c148cef36ee192bdb954b2a07c15694eb2c45be05fb8c10675c5d03f7795bc5a6e8f5c

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