77edead9c70ac1156ff088eb8c5297a87193fc9658afe4a9a70cec122cf8943b

Analysis

max time kernel
142s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 02:31

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General

Target

5346523058ac6b1c144eca59912fbacf.pdf
Size

35KB
MD5

5346523058ac6b1c144eca59912fbacf
SHA1

e6e97b1e07b3acdca1080b3aa5eba2cd5685f248
SHA256

77edead9c70ac1156ff088eb8c5297a87193fc9658afe4a9a70cec122cf8943b
SHA512

06dee0a254635452a0aebc18dc7075b2ab2460de392ec38f98675e3f97f0ac1a714a7361e035d371651d464037bf7d5e2e9af1a840dd7c488025a31bd6bae83c
SSDEEP

768:vEUz/k5hr+FsD3UJm298s8meLVYEDuvRrLH+YtGd:vro55+yEE298TCEaJrLH+YtGd

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
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
892	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 892 wrote to memory of 2136	892	AcroRd32.exe	92
PID 892 wrote to memory of 2136	892	AcroRd32.exe	92
PID 892 wrote to memory of 2136	892	AcroRd32.exe	92
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 3680	2136	RdrCEF.exe	93
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94
PID 2136 wrote to memory of 5064	2136	RdrCEF.exe	94

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\5346523058ac6b1c144eca59912fbacf.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:892
- 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:2136
- - 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=DC7E31F8A814819070692B9231215C8B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3680
- - 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=4CA6F6A2F6E88D3BC2AC4F7E58432C72 --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=4CA6F6A2F6E88D3BC2AC4F7E58432C72 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=10885B109E416B1BF38D6A2A6F944D0B --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=10885B109E416B1BF38D6A2A6F944D0B --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4024
- - 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=86DFE3278E26426E78D47A858EE6DE77 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:840
- - 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=1595BD6FE31656F4311823030D7F1EA4 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:652
- - 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=B90A241EBA5394340BA387A5A945DCC6 --mojo-platform-channel-handle=2780 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4768

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1244

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
344964245e952461eb3a0a6024351f4b

SHA1
91919429951d0f4a363864ab3733344c2b5d64e4

SHA256
60a0d307c3452104a5bd2dbeea88695cdf0d2e8ceebac313a11e16da04ea092b

SHA512
36899e46e4ddc49686aab3f021af4250268b2a2fab4ebb257bdd62048c94c413f1f5c879559fa999e399aa23687e9ca70ec6ef9863359e550132b0e6157d8da5

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/892-28-0x0000000009D20000-0x0000000009D41000-memory.dmp

Filesize
132KB

Download