817d2531ce38cb9b1dcc137db1450e819d0cec0ec629f5ef60545bbb8460f709

Analysis

max time kernel
143s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2024 19:25

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General

Target

41b6d36896e6ae7c17e4ddf9481f6d16.pdf
Size

35KB
MD5

41b6d36896e6ae7c17e4ddf9481f6d16
SHA1

2dd56136f7fc707b8200745f74b8d9e3427c3a99
SHA256

817d2531ce38cb9b1dcc137db1450e819d0cec0ec629f5ef60545bbb8460f709
SHA512

cbc72fc55c517f25507bc4092fe22d9524da3f33112abefa51a0c82e36e8d999091b49bf2984470b23e0eda669cc0ac59bd821f4c55fbb76e502c8175da3b620
SSDEEP

768:VWd/T1yiAcB156DEKs0L7IxY6GyWjonsEHoatVVBH/6MMnxrli/HNjbjcFvTJk2:VWd/T1y/cB156DEKs0L70/WjodIatTBE

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2036	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2784	2036	AcroRd32.exe	91
PID 2036 wrote to memory of 2784	2036	AcroRd32.exe	91
PID 2036 wrote to memory of 2784	2036	AcroRd32.exe	91
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 5012	2784	RdrCEF.exe	92
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93
PID 2784 wrote to memory of 1540	2784	RdrCEF.exe	93

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\41b6d36896e6ae7c17e4ddf9481f6d16.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:2036
- 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:2784
- - 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=14AD5464E2E785CD9914063E065662B0 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5012
- - 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=C220176C93BF1912607CE6ED8CDA5847 --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=C220176C93BF1912607CE6ED8CDA5847 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1540
- - 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=900F985B89A5BA3EACB3444C9DF8850A --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4152
- - 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=FA373BA164F040C5C1316C64093BC860 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3684
- - 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=B01C0DE5EBE7023A6670ADC52150E25D --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3552
- - 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=D84C8BDA8FDEABCAA41A1E0E8EA1397E --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=D84C8BDA8FDEABCAA41A1E0E8EA1397E --renderer-client-id=7 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4992

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4248

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
99b8bea1f6b4c414028644d3dd5a7e33

SHA1
6579bae1893ca812b633b5c84cd280976922459d

SHA256
a3eee58eb8678a590409462b104671c30e56d2fb0f8899b7584f2592c2e712ec

SHA512
7441da656dc522941756151555d6fc772c1cb7b8333df0fc26f72210babde41c1d2d9e474f07bfaacc7d01cfe4794651f2800dc5ef7afb9f0720233b47fe13d7

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/2036-134-0x000000000A960000-0x000000000AAAD000-memory.dmp

Filesize
1.3MB

Download