759d2d337f44054ff26a482bcc0f4ca90f616494c1de39e2827d5eec5af576dd

Analysis

max time kernel
144s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29/01/2024, 13:44

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General

Target

7ffb5310e2c73df15b00bad9c66a53e9.pdf
Size

92KB
MD5

7ffb5310e2c73df15b00bad9c66a53e9
SHA1

bf975b5db9dd8f7e07b98f5893cf5bf4c8f3a100
SHA256

759d2d337f44054ff26a482bcc0f4ca90f616494c1de39e2827d5eec5af576dd
SHA512

56167196338ff13f1109768a2e082b0d04b39de5e098d5209b63bbd9c7a62ac7141de6e1925a6eb99b30fc465216bbfe8393b028ae565926bd610db3b974530d
SSDEEP

1536:dth6D57Zz2eAAtk3TaQAzfm23bFDyAWkNpOPqt6xBXi9OFWxEm/eXCrI8+N9F:PYJF2eZt3QWfmqxqPqIxBX2O8Wyrj+9

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
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4184	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4184 wrote to memory of 516	4184	AcroRd32.exe	89
PID 4184 wrote to memory of 516	4184	AcroRd32.exe	89
PID 4184 wrote to memory of 516	4184	AcroRd32.exe	89
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1360	516	RdrCEF.exe	92
PID 516 wrote to memory of 1644	516	RdrCEF.exe	93
PID 516 wrote to memory of 1644	516	RdrCEF.exe	93
PID 516 wrote to memory of 1644	516	RdrCEF.exe	93
PID 516 wrote to memory of 1644	516	RdrCEF.exe	93
PID 516 wrote to memory of 1644	516	RdrCEF.exe	93
PID 516 wrote to memory of 1644	516	RdrCEF.exe	93
PID 516 wrote to memory of 1644	516	RdrCEF.exe	93
PID 516 wrote to memory of 1644	516	RdrCEF.exe	93
PID 516 wrote to memory of 1644	516	RdrCEF.exe	93
PID 516 wrote to memory of 1644	516	RdrCEF.exe	93
PID 516 wrote to memory of 1644	516	RdrCEF.exe	93
PID 516 wrote to memory of 1644	516	RdrCEF.exe	93
PID 516 wrote to memory of 1644	516	RdrCEF.exe	93
PID 516 wrote to memory of 1644	516	RdrCEF.exe	93
PID 516 wrote to memory of 1644	516	RdrCEF.exe	93
PID 516 wrote to memory of 1644	516	RdrCEF.exe	93
PID 516 wrote to memory of 1644	516	RdrCEF.exe	93
PID 516 wrote to memory of 1644	516	RdrCEF.exe	93
PID 516 wrote to memory of 1644	516	RdrCEF.exe	93
PID 516 wrote to memory of 1644	516	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\7ffb5310e2c73df15b00bad9c66a53e9.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:4184
- 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:516
- - 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=A6359F043DE250DCB020AF143CE4C4A6 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1360
- - 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=BB6B0AA81847650650B3E87A280CF896 --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=BB6B0AA81847650650B3E87A280CF896 --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1644
- - 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=225D14EC09F0416D4A9A4E47755B331D --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1988
- - 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=A63FD7CCA46AB1BA113FF5616B97BA2F --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=A63FD7CCA46AB1BA113FF5616B97BA2F --renderer-client-id=5 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1916
- - 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=476DDF1C658FAF5C766A7E093EB4B673 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2496
- - 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=FBA3FAD156A719F9BC6A902A458AF3C9 --mojo-platform-channel-handle=2880 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1812

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4368

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
bc277a510fda87979a65332e7b55ce95

SHA1
fa335a3c2c88a7207faaa00560cdafe87848c7ce

SHA256
3df201110aa1d05abc5c432041933e1aa1bbccf50898bbea68e2cf88ecdff44c

SHA512
b957040370679328b1d3f1c222a906f6655ecad4a4f59f0e7e9b8bdb12c1e40094cedd3438d305c5e5d22ef07e2c33a74cfa4d1311760103abc1bd8d892ea9fd

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