75fe19ba0686e3c468ebe503bdd4273f1067456b78e94d90f9f1b63c4b3afa09

Analysis

max time kernel
156s
max time network
169s
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 11:10

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General

Target

19c4d02059c88cfeba58a51ab0729294.pdf
Size

86KB
MD5

19c4d02059c88cfeba58a51ab0729294
SHA1

87784643e93f44b0021b6cd805421988f72078f9
SHA256

75fe19ba0686e3c468ebe503bdd4273f1067456b78e94d90f9f1b63c4b3afa09
SHA512

f1759b525caaf1017bbcd81db2e22943257aa961dbdc1aef8609830c05d1f0680d646b459359cc1182b07ea1f7a89d8d878ec19e3270bb2ef0cc95ee73c5053a
SSDEEP

1536:mYaEYnFnHaTwwK2v+57B9Yx7xFTUZRBNvuw4QCNWxApOGzWTkVW49u:jaEYn5wK2v+599c7Q9u9q3GKEY

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1844	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1844 wrote to memory of 2996	1844	AcroRd32.exe	95
PID 1844 wrote to memory of 2996	1844	AcroRd32.exe	95
PID 1844 wrote to memory of 2996	1844	AcroRd32.exe	95
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 3192	2996	RdrCEF.exe	96
PID 2996 wrote to memory of 2704	2996	RdrCEF.exe	97
PID 2996 wrote to memory of 2704	2996	RdrCEF.exe	97
PID 2996 wrote to memory of 2704	2996	RdrCEF.exe	97
PID 2996 wrote to memory of 2704	2996	RdrCEF.exe	97
PID 2996 wrote to memory of 2704	2996	RdrCEF.exe	97
PID 2996 wrote to memory of 2704	2996	RdrCEF.exe	97
PID 2996 wrote to memory of 2704	2996	RdrCEF.exe	97
PID 2996 wrote to memory of 2704	2996	RdrCEF.exe	97
PID 2996 wrote to memory of 2704	2996	RdrCEF.exe	97
PID 2996 wrote to memory of 2704	2996	RdrCEF.exe	97
PID 2996 wrote to memory of 2704	2996	RdrCEF.exe	97
PID 2996 wrote to memory of 2704	2996	RdrCEF.exe	97
PID 2996 wrote to memory of 2704	2996	RdrCEF.exe	97
PID 2996 wrote to memory of 2704	2996	RdrCEF.exe	97
PID 2996 wrote to memory of 2704	2996	RdrCEF.exe	97
PID 2996 wrote to memory of 2704	2996	RdrCEF.exe	97
PID 2996 wrote to memory of 2704	2996	RdrCEF.exe	97
PID 2996 wrote to memory of 2704	2996	RdrCEF.exe	97
PID 2996 wrote to memory of 2704	2996	RdrCEF.exe	97
PID 2996 wrote to memory of 2704	2996	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\19c4d02059c88cfeba58a51ab0729294.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:1844
- 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:2996
- - 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=C585D8B6A0CCD0238D98865F5B79F47D --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3192
- - 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=D79BFBD28902069F1EDFEB603C43A482 --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=D79BFBD28902069F1EDFEB603C43A482 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2704
- - 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=5D9E2887BE83CAAB024AF358E5773A33 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3464
- - 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=8F1A67FF0025835B52EECC51C453A231 --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=8F1A67FF0025835B52EECC51C453A231 --renderer-client-id=5 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2164
- - 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=FD979894043AFBABF991C8F705301D4E --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4220
- - 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=85DCF6619491CDEC36F36E5FBF514F18 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1968

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
fb14f5821eb4ddde7d6b63612a9ee19d

SHA1
fb75fa367ebb5ffea1db0b4d1d1abea1ebe70855

SHA256
45dd488f2f67912aea62afe34b262f1d970525772432499f153a646a146dd62f

SHA512
52df9cf911a47030cc790fc563d0b606720de9dd7e615d5c9051169778090ccca4b45c31a8a329963101f82032e5f86768916b8939d3d097471b3b1922e18db8

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