67ab71146de92bc8ba02016b810e63e663ab3a873250e433196d1edfceb05907

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 22:05

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General

Target

3dff9be58fdd6da4e921462141f7d18d.pdf
Size

77KB
MD5

3dff9be58fdd6da4e921462141f7d18d
SHA1

1ae290dfa080cb22121e5cbd081cc2bd54dfe766
SHA256

67ab71146de92bc8ba02016b810e63e663ab3a873250e433196d1edfceb05907
SHA512

0110889f654fe7983ea6a62fd63bee7b6f04689fbd9eff5db0f78c881014ee99844bc55212d21aa60ade0b00ab9ca6db30303744f194935e1a390a1057effa9c
SSDEEP

1536:qQ7e4kGu7FaTUx26qkSay0JYNiRLWEhy9VWU8YXjdvW7mpFg3MyHPTLLWQpOCRT8:Rns7FQUx2jkPyCYNsSEhS58SWKpFg3/m

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2080	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 3140	2080	AcroRd32.exe	96
PID 2080 wrote to memory of 3140	2080	AcroRd32.exe	96
PID 2080 wrote to memory of 3140	2080	AcroRd32.exe	96
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 2912	3140	RdrCEF.exe	97
PID 3140 wrote to memory of 1544	3140	RdrCEF.exe	98
PID 3140 wrote to memory of 1544	3140	RdrCEF.exe	98
PID 3140 wrote to memory of 1544	3140	RdrCEF.exe	98
PID 3140 wrote to memory of 1544	3140	RdrCEF.exe	98
PID 3140 wrote to memory of 1544	3140	RdrCEF.exe	98
PID 3140 wrote to memory of 1544	3140	RdrCEF.exe	98
PID 3140 wrote to memory of 1544	3140	RdrCEF.exe	98
PID 3140 wrote to memory of 1544	3140	RdrCEF.exe	98
PID 3140 wrote to memory of 1544	3140	RdrCEF.exe	98
PID 3140 wrote to memory of 1544	3140	RdrCEF.exe	98
PID 3140 wrote to memory of 1544	3140	RdrCEF.exe	98
PID 3140 wrote to memory of 1544	3140	RdrCEF.exe	98
PID 3140 wrote to memory of 1544	3140	RdrCEF.exe	98
PID 3140 wrote to memory of 1544	3140	RdrCEF.exe	98
PID 3140 wrote to memory of 1544	3140	RdrCEF.exe	98
PID 3140 wrote to memory of 1544	3140	RdrCEF.exe	98
PID 3140 wrote to memory of 1544	3140	RdrCEF.exe	98
PID 3140 wrote to memory of 1544	3140	RdrCEF.exe	98
PID 3140 wrote to memory of 1544	3140	RdrCEF.exe	98
PID 3140 wrote to memory of 1544	3140	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\3dff9be58fdd6da4e921462141f7d18d.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:2080
- 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:3140
- - 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=D64592F52A74C9C46684612172A136C0 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2912
- - 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=E97D71C545F43913A1FE25261BD05526 --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=E97D71C545F43913A1FE25261BD05526 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1544
- - 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=F98F9856FE08B47C05615D7A9B349CE3 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4072
- - 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=8B8719D050F4A954C60C79ACFCB36F33 --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=8B8719D050F4A954C60C79ACFCB36F33 --renderer-client-id=5 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3032
- - 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=88A4DF7D3FD55C9F84FFA5F72BC8891F --mojo-platform-channel-handle=2724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2992
- - 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=704F48B6C8A79C23E22D0EC24A46636C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4860

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3540

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
6ccf7ebf4cfdaa1b324307e47ab8a546

SHA1
7676e8bfa965d5b177995c8bdb405e9cc1b679c3

SHA256
05fb6c9be31320f445ecc1b09773e1f0b4b4fffbe74caf49c57fb3ca29035a86

SHA512
08a54c9137f1b40b4ec4fd047043517ae69f054b26c6deb61446b3a8e1f8476cbe13d61e7515ac33a130e6c02bcb13aed9e337f7f23df39eac3f0920b770e481

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