03926be9af1bb9f28b8830fcc5caf171e7276a1f0d2d515c5b10b058770d894c

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2024, 21:51

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General

Target

54acd46a9dbef03e587c9efde4c0278c.pdf
Size

95KB
MD5

54acd46a9dbef03e587c9efde4c0278c
SHA1

63b7e88b76c83c96310d95c2f8945c6a06e4a7a9
SHA256

03926be9af1bb9f28b8830fcc5caf171e7276a1f0d2d515c5b10b058770d894c
SHA512

72356acfcf7e5f7b8e3bf66ede9d2bae1fcdbe38f1a0d330f89b6e89d555e072fc9e417b9ec7ac64b887a550e9654d12f9c3486f9654b6b405bd664b82f14d7d
SSDEEP

1536:uO6BndalwRw3InhS0+QkPrPHLY4h8fHpbxIWGjWtFCYWJMq0dCQrVjB+skKWUpO5:3mFUAhSzVPHka6HBxIICJF0RjQskl7CI

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3724	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3724 wrote to memory of 1720	3724	AcroRd32.exe	94
PID 3724 wrote to memory of 1720	3724	AcroRd32.exe	94
PID 3724 wrote to memory of 1720	3724	AcroRd32.exe	94
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3808	1720	RdrCEF.exe	97
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98
PID 1720 wrote to memory of 3708	1720	RdrCEF.exe	98

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\54acd46a9dbef03e587c9efde4c0278c.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:3724
- 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:1720
- - 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=E0AC4F3B90AC280A0F45DB4F89846B07 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3808
- - 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=76C6B81F93153457B43F71A8C934ACDE --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=76C6B81F93153457B43F71A8C934ACDE --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3708
- - 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=937AD0C6BEC8B8C71E336B352A19E6DE --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4092
- - 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=D0824E1BF0D483B92705F9CEBC2BDC51 --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=D0824E1BF0D483B92705F9CEBC2BDC51 --renderer-client-id=5 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4912
- - 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=0447E09A395A95ECF3DB8F1A1414F047 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3448
- - 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=5EC1A9727C8BF7C5BC49173053460231 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1656

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2620

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
bc249b6c591273e629c7c8a4a835ad56

SHA1
fdd1598ddcd2fd943dc5cefbe997beb3ce2de8f7

SHA256
2966bd99e0dab38cbc69aded590c1986f0aad9f9ec69f00592ba8ef8e5d7424a

SHA512
4bb0ee245b91f74ef0fe939ab741bef540ca51d4cc3a5c9ffd2eef18376a0e736eb85ba4f1fdb1ba55c57137fc702ce27ea0620d1b5d34333e5dc0bdf7f3a329

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/3724-26-0x000000000BAF0000-0x000000000BB40000-memory.dmp

Filesize
320KB

Download