618a5a9f3a3aa847e2eeee762b1c5491c3458f340ad44c4c743afd7135f56b42

Analysis

max time kernel
146s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 13:12

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General

Target

37764b1f9d93418b70ee019e5a81af05.pdf
Size

127KB
MD5

37764b1f9d93418b70ee019e5a81af05
SHA1

038c4a93851a17e18ac569378e550ba3f7574b7e
SHA256

618a5a9f3a3aa847e2eeee762b1c5491c3458f340ad44c4c743afd7135f56b42
SHA512

ff36f56d4ef719a073b81e3292b186c87e9300c1e8ab57c4b6b77fe92aaed519b709848d7a49d2ea627da0520d3f18007dcf239bb10403f82fd17fbbdeeea49a
SSDEEP

3072:ZWaVKzvhihPxIC3DumJ1fqlGHXyMy3sHEmmgHRmI:oaVKzvhixxNimJoGHpy3ED

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4360	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4360 wrote to memory of 4356	4360	AcroRd32.exe	91
PID 4360 wrote to memory of 4356	4360	AcroRd32.exe	91
PID 4360 wrote to memory of 4356	4360	AcroRd32.exe	91
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 1728	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3032	4356	RdrCEF.exe	93
PID 4356 wrote to memory of 3032	4356	RdrCEF.exe	93
PID 4356 wrote to memory of 3032	4356	RdrCEF.exe	93
PID 4356 wrote to memory of 3032	4356	RdrCEF.exe	93
PID 4356 wrote to memory of 3032	4356	RdrCEF.exe	93
PID 4356 wrote to memory of 3032	4356	RdrCEF.exe	93
PID 4356 wrote to memory of 3032	4356	RdrCEF.exe	93
PID 4356 wrote to memory of 3032	4356	RdrCEF.exe	93
PID 4356 wrote to memory of 3032	4356	RdrCEF.exe	93
PID 4356 wrote to memory of 3032	4356	RdrCEF.exe	93
PID 4356 wrote to memory of 3032	4356	RdrCEF.exe	93
PID 4356 wrote to memory of 3032	4356	RdrCEF.exe	93
PID 4356 wrote to memory of 3032	4356	RdrCEF.exe	93
PID 4356 wrote to memory of 3032	4356	RdrCEF.exe	93
PID 4356 wrote to memory of 3032	4356	RdrCEF.exe	93
PID 4356 wrote to memory of 3032	4356	RdrCEF.exe	93
PID 4356 wrote to memory of 3032	4356	RdrCEF.exe	93
PID 4356 wrote to memory of 3032	4356	RdrCEF.exe	93
PID 4356 wrote to memory of 3032	4356	RdrCEF.exe	93
PID 4356 wrote to memory of 3032	4356	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\37764b1f9d93418b70ee019e5a81af05.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:4360
- 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:4356
- - 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=5D7DFAA9FE1F0C96AC352E940669EF9F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1728
- - 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=CBA7957F2196F6D24E0223C71BCEFB7A --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=CBA7957F2196F6D24E0223C71BCEFB7A --renderer-client-id=2 --mojo-platform-channel-handle=1752 --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=E6F10C43465B7DFEA55869FBCC54653F --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3432
- - 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=EE626490329EFCA6ACBA2FDCE72582FB --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3528
- - 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=854A46052214F3F86FFBBC52DB3A312E --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=854A46052214F3F86FFBBC52DB3A312E --renderer-client-id=6 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:432
- - 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=3F389CE42AFDD99913E7B8EA1B14113E --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3976

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1140

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
00c75daa0d15c8918f1f69af5d0460eb

SHA1
621291edc34205787076d8abb1622af628300958

SHA256
bda93c98a13ab84d3adbba8f43c4a8a475bfcf2224e9421d5e58bf7aae652c6c

SHA512
c5a303a9276b953d6dece4641a7c44b724ea93ce3f15d0136207a740d4732d9964eb746bbdb73f56ece4a88d592602b9ae3c59c73f620f2bd02bce281243954b

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/4360-26-0x000000000DB40000-0x000000000DB90000-memory.dmp

Filesize
320KB

Download