f06023e30ed31d16c491da41242e7c60f752e85acae5408e9d1436864eb51b61

Analysis

max time kernel
159s
max time network
167s
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, 01:47

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General

Target

3b9518025c179ec40f62002ccbfec596.pdf
Size

83KB
MD5

3b9518025c179ec40f62002ccbfec596
SHA1

8a22259b02acd3aae345201341a84be5804c5a7a
SHA256

f06023e30ed31d16c491da41242e7c60f752e85acae5408e9d1436864eb51b61
SHA512

ac1105f8fa3e56fc82fcf7fb93a75669880fd0261ecac51b2ad2a1f41f7b2d42153939dcb33666112e67dded302c36ccd137977f3a20d8c28b8245205e4e15b3
SSDEEP

1536:pCek2SqJ63aZ5GMnsHCxPP7tl7i6hOPskW4L5k0rcw9hyRXCWGpOKCW3e09qFFQn:/3Hb/dP7/7RkH1k0rtyRXrKsiqFFUQR2

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1200	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 2404	1200	AcroRd32.exe	91
PID 1200 wrote to memory of 2404	1200	AcroRd32.exe	91
PID 1200 wrote to memory of 2404	1200	AcroRd32.exe	91
PID 1200 wrote to memory of 3780	1200	AcroRd32.exe	92
PID 1200 wrote to memory of 3780	1200	AcroRd32.exe	92
PID 1200 wrote to memory of 3780	1200	AcroRd32.exe	92
PID 1200 wrote to memory of 2036	1200	AcroRd32.exe	93
PID 1200 wrote to memory of 2036	1200	AcroRd32.exe	93
PID 1200 wrote to memory of 2036	1200	AcroRd32.exe	93
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 4200	2036	RdrCEF.exe	97
PID 2036 wrote to memory of 3876	2036	RdrCEF.exe	98
PID 2036 wrote to memory of 3876	2036	RdrCEF.exe	98
PID 2036 wrote to memory of 3876	2036	RdrCEF.exe	98
PID 2036 wrote to memory of 3876	2036	RdrCEF.exe	98
PID 2036 wrote to memory of 3876	2036	RdrCEF.exe	98
PID 2036 wrote to memory of 3876	2036	RdrCEF.exe	98
PID 2036 wrote to memory of 3876	2036	RdrCEF.exe	98
PID 2036 wrote to memory of 3876	2036	RdrCEF.exe	98
PID 2036 wrote to memory of 3876	2036	RdrCEF.exe	98
PID 2036 wrote to memory of 3876	2036	RdrCEF.exe	98
PID 2036 wrote to memory of 3876	2036	RdrCEF.exe	98
PID 2036 wrote to memory of 3876	2036	RdrCEF.exe	98
PID 2036 wrote to memory of 3876	2036	RdrCEF.exe	98
PID 2036 wrote to memory of 3876	2036	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\3b9518025c179ec40f62002ccbfec596.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:1200
- 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⤵
  PID:2404
- 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⤵
  PID:3780
- 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: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" --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=7E8A3B36EFEED1A7FB03D8110CFE7C94 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4200
- - 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=343D5AF0E190A396B2CF7ECC5501A9BB --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=343D5AF0E190A396B2CF7ECC5501A9BB --renderer-client-id=2 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3876
- - 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=249EA84239AD36A5D99385B5C5FA5F03 --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=249EA84239AD36A5D99385B5C5FA5F03 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4132
- - 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=507018ADFEE9989A852A831D47B0FB1B --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --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=2568142AAA88CB36C38D8EC6B9DA80F3 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3956
- - 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=0CFF964F9444A2B24C9EEB8ACF4B4267 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4948

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:896

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
98881bcc7e8838aa11025c941b919826

SHA1
77dadbf775812509895d6bca71add4edbecfde5d

SHA256
eb7564edc48c1d1377cc699c21b5221068995a684831ec4e9cb43c52b82d5ece

SHA512
4fbc8f0235f5f0d1aa4d83f238da80138329848c868e3d7496017e4377862034a176b031aceefb36f7ce80f7f8b69c2a58cbb3472f68b4404f03cf617389e1fa

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/1200-136-0x000000000C890000-0x000000000C9DD000-memory.dmp

Filesize
1.3MB

Download
memory/1200-139-0x000000000CE50000-0x000000000CE7A000-memory.dmp

Filesize
168KB

Download