cfb0c1a1eb378860c367518018482557765c2e96bb5cc1b6d478d871711c7511

Analysis

max time kernel
140s
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
01-02-2024 07:27

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General

Target

20240131_488549.pdf
Size

21KB
MD5

17019c0aacfde7286a737f4b27b1ce57
SHA1

add82730c88f17f813144ae1eb05447913938d61
SHA256

cfb0c1a1eb378860c367518018482557765c2e96bb5cc1b6d478d871711c7511
SHA512

bda199159165b5e36c77e5f70c818f9e2a5bca53d2f972c9f5e1a47100223126b8f4c447706f347976ab36b0868245cae76341ce71ccbf35f7479b449e10e2a4
SSDEEP

384:hnEnPhmPtEjyopVD9u1YUgbhSqSoMS1CBWfH3mqsc3XfV0Qo/qOCyD0j2hN/:hnEnPcPujyyl9u1Yd6oMS1COH3mM3Xfc

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3352	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3352 wrote to memory of 3588	3352	AcroRd32.exe	88
PID 3352 wrote to memory of 3588	3352	AcroRd32.exe	88
PID 3352 wrote to memory of 3588	3352	AcroRd32.exe	88
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 5016	3588	RdrCEF.exe	89
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90
PID 3588 wrote to memory of 2340	3588	RdrCEF.exe	90

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\20240131_488549.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:3352
- 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:3588
- - 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=54F097F8E12147AA57A771A6F35B083A --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5016
- - 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=F5EE5BDD9BC24CF46F72520B822ED5DA --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=F5EE5BDD9BC24CF46F72520B822ED5DA --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2340
- - 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=94AFE2DC75622ADFA838ABD0D643CEDF --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4576
- - 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=E5D2FC133D0A0EBEFABE145A9E25A061 --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=E5D2FC133D0A0EBEFABE145A9E25A061 --renderer-client-id=5 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1780
- - 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=0B583F58BC2C8F4AAEF9408243FDDCBF --mojo-platform-channel-handle=2760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1492
- - 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=D5ECB877DF5EE537603469B76721E1B7 --mojo-platform-channel-handle=2756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3768

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2788

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
db2a1dd38d33ce82122586e6d644d9be

SHA1
a4c02922483d7f35e92630133b0c6f71d9c11441

SHA256
d310c854deb97d30a917e2340d5fc800cc4e9ecf05b842b633a64f9db39a28da

SHA512
ce68db9f3bf074f09de551045582eb5973b7595a6cdcf482a5939b72a51d5e0a3475db92da7f86e3b173aab918792bbf9eed4981d708301b829045fc1f59f7a6

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/3352-28-0x0000000009770000-0x00000000097C0000-memory.dmp

Filesize
320KB

Download
memory/3352-128-0x0000000009770000-0x00000000097C0000-memory.dmp

Filesize
320KB

Download
memory/3352-134-0x0000000009770000-0x00000000097C0000-memory.dmp

Filesize
320KB

Download
memory/3352-140-0x0000000009770000-0x00000000097C0000-memory.dmp

Filesize
320KB

Download
memory/3352-147-0x0000000009770000-0x00000000097C0000-memory.dmp

Filesize
320KB

Download
memory/3352-154-0x0000000009770000-0x00000000097C0000-memory.dmp

Filesize
320KB

Download
memory/3352-203-0x0000000009770000-0x00000000097C0000-memory.dmp

Filesize
320KB

Download
memory/3352-210-0x0000000009770000-0x00000000097C0000-memory.dmp

Filesize
320KB

Download