e9d30866f4081ffebe37085fac38020d2e2f2c800725cd1ec105c19c61367595

Analysis

max time kernel
145s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 14:02

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General

Target

74187230a79134b7a23b4f90021280f1.pdf
Size

82KB
MD5

74187230a79134b7a23b4f90021280f1
SHA1

be0ef31d10591010c7074f1ad4bf4bc8027ae508
SHA256

e9d30866f4081ffebe37085fac38020d2e2f2c800725cd1ec105c19c61367595
SHA512

949e2192b8a8c19c1f2cf6c2acc46e432596d9a35f4f840057cba58dd4d0c38e534c1d65d724b48bbb1c658caac6ec8c9ec999748838ef6bb5e2b8b119fd6fc5
SSDEEP

1536:AZD0JBnuTAolQxJ0B0uW5VhduvLb9QCXw+mP6wzdyRWypOlLCZVWH77BnQQ8J9P:CwJkQxJ0WzuDb9QCX5m66lLCZk77BnQn

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
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2132	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2356	2132	AcroRd32.exe	89
PID 2132 wrote to memory of 2356	2132	AcroRd32.exe	89
PID 2132 wrote to memory of 2356	2132	AcroRd32.exe	89
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 1964	2356	RdrCEF.exe	90
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91
PID 2356 wrote to memory of 5004	2356	RdrCEF.exe	91

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\74187230a79134b7a23b4f90021280f1.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:2132
- 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:2356
- - 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=6476202458C1949A6C7DAB8606675427 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1964
- - 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=E11DA397BAC2B82BA591CEAFEB463247 --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=E11DA397BAC2B82BA591CEAFEB463247 --renderer-client-id=2 --mojo-platform-channel-handle=1692 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5004
- - 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=BAE49B7206975B80AF056A8EAF5288CB --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2932
- - 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=EE3D93015F4743ED5EBFFBB2451A2CB4 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4824
- - 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=22512313E86C5B33A1F0BB86857F02B9 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3104
- - 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=6539599C5C9EEC114E862FFE77FDA789 --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=6539599C5C9EEC114E862FFE77FDA789 --renderer-client-id=7 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1644

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4660

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
f4c962bf5515aefe8fabac0fb6cb69ab

SHA1
40810268b7154bb94cc01059ee4693adc08c825c

SHA256
96e6900ac6516a79e86a5343328ffd8bee455a093d7c5e1ce3ba1d6efd9244f4

SHA512
604e506b888a050ab5f193a1cd44e9e573fc217ba5e30f9f957d43ac891cb9976db1d57fa273e39f5e3d38bbe9f4e41f8f55557f3a802655534901359adc766b

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