83b5be79c42b3c792fdde211a3e56807aa527e6caf15ae8641951a67215502d5

Analysis

max time kernel
161s
max time network
168s
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, 03:17

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General

Target

0cb56ffca723fff077a37667d2136870.pdf
Size

43KB
MD5

0cb56ffca723fff077a37667d2136870
SHA1

e67427db8630bb8f277a3df5e3f41002e3b83003
SHA256

83b5be79c42b3c792fdde211a3e56807aa527e6caf15ae8641951a67215502d5
SHA512

55b6450318249a62f789a6352a53fb73cb371d3816b1c039746802c7dd1021d16b34b227918c97c11864d2358d60fd0eee7eb0ca155db76b54261d16d2c8fbba
SSDEEP

768:9gGzpDFLj2HwfVwXqeoFEjPkSYdymc9dWvgN9DCCM5uAEI:+GF5r9OgSyymuWvgN9O75uAEI

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 22 IoCs

pid	Process
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2972	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 3788	2972	AcroRd32.exe	92
PID 2972 wrote to memory of 3788	2972	AcroRd32.exe	92
PID 2972 wrote to memory of 3788	2972	AcroRd32.exe	92
PID 2972 wrote to memory of 3988	2972	AcroRd32.exe	95
PID 2972 wrote to memory of 3988	2972	AcroRd32.exe	95
PID 2972 wrote to memory of 3988	2972	AcroRd32.exe	95
PID 2972 wrote to memory of 3236	2972	AcroRd32.exe	97
PID 2972 wrote to memory of 3236	2972	AcroRd32.exe	97
PID 2972 wrote to memory of 3236	2972	AcroRd32.exe	97
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 464	3236	RdrCEF.exe	100
PID 3236 wrote to memory of 2556	3236	RdrCEF.exe	101
PID 3236 wrote to memory of 2556	3236	RdrCEF.exe	101
PID 3236 wrote to memory of 2556	3236	RdrCEF.exe	101
PID 3236 wrote to memory of 2556	3236	RdrCEF.exe	101
PID 3236 wrote to memory of 2556	3236	RdrCEF.exe	101
PID 3236 wrote to memory of 2556	3236	RdrCEF.exe	101
PID 3236 wrote to memory of 2556	3236	RdrCEF.exe	101
PID 3236 wrote to memory of 2556	3236	RdrCEF.exe	101
PID 3236 wrote to memory of 2556	3236	RdrCEF.exe	101
PID 3236 wrote to memory of 2556	3236	RdrCEF.exe	101
PID 3236 wrote to memory of 2556	3236	RdrCEF.exe	101
PID 3236 wrote to memory of 2556	3236	RdrCEF.exe	101
PID 3236 wrote to memory of 2556	3236	RdrCEF.exe	101
PID 3236 wrote to memory of 2556	3236	RdrCEF.exe	101

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\0cb56ffca723fff077a37667d2136870.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:2972
- 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⤵
  PID:3788
- 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⤵
  PID:3988
- 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:3236
- - 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=96AEDBA958CD7E1CF594357943EFF9EA --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:464
- - 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=D9D13525DFABCEA5F38B03862C89C87D --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=D9D13525DFABCEA5F38B03862C89C87D --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=4414B020BD4DEE3EBC9E422294DDE966 --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=4414B020BD4DEE3EBC9E422294DDE966 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4456
- - 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=557626FF8E0EA921301374792296F65D --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5064
- - 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=3C3E13C00BFC3D179DB06ECAE86DC6E8 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4984
- - 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=BF06DCF83F26B8CA244B9159C01A49C4 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3680

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4420

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
d3eb7576cb2e1c98e4aec0113b2517c3

SHA1
9e56f3622027405943473e0daabed06942bebf98

SHA256
37b1c429f8a6a4dc393021146d66e6c5dcb93698e4b860192b64c0493e656685

SHA512
29e404b8c6e467c654dd4efb409bc642faf2afb5ee0a78070bb8d9a20bdd7e6f95b549f61671e44df0ef4a498c4fc1441d87ab3879bae78ee25024b564962ac8

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/2972-138-0x0000000009E50000-0x0000000009E7A000-memory.dmp

Filesize
168KB

Download