a18fd4a8c2e069da8366117679d5a1cda80f331f1b37f62c83b63132b5057a1e

Analysis

max time kernel
147s
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
02/02/2024, 02:03

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General

Target

884276c04bb1b5dc54094f032a362c3a.pdf
Size

84KB
MD5

884276c04bb1b5dc54094f032a362c3a
SHA1

05ee1e432339223287cf9ea93e71a746303547d2
SHA256

a18fd4a8c2e069da8366117679d5a1cda80f331f1b37f62c83b63132b5057a1e
SHA512

ba589142de6ae8907ad8a83e66f250f99ff8d605b8c41744868944482c019abb229bfe84d50f802ef49928c0c1cf94b663a369657efa3777fe09bd12949a3d12
SSDEEP

1536:5vl1xwNZFK4eyZ8uz+321PpNgolg0eYsae8kIdhcyYTh2tWCpOViIWINveSRn:hmDE48uz+327NgolgDArW86ViYNei

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1396	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 560	1396	AcroRd32.exe	88
PID 1396 wrote to memory of 560	1396	AcroRd32.exe	88
PID 1396 wrote to memory of 560	1396	AcroRd32.exe	88
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 1360	560	RdrCEF.exe	89
PID 560 wrote to memory of 4224	560	RdrCEF.exe	90
PID 560 wrote to memory of 4224	560	RdrCEF.exe	90
PID 560 wrote to memory of 4224	560	RdrCEF.exe	90
PID 560 wrote to memory of 4224	560	RdrCEF.exe	90
PID 560 wrote to memory of 4224	560	RdrCEF.exe	90
PID 560 wrote to memory of 4224	560	RdrCEF.exe	90
PID 560 wrote to memory of 4224	560	RdrCEF.exe	90
PID 560 wrote to memory of 4224	560	RdrCEF.exe	90
PID 560 wrote to memory of 4224	560	RdrCEF.exe	90
PID 560 wrote to memory of 4224	560	RdrCEF.exe	90
PID 560 wrote to memory of 4224	560	RdrCEF.exe	90
PID 560 wrote to memory of 4224	560	RdrCEF.exe	90
PID 560 wrote to memory of 4224	560	RdrCEF.exe	90
PID 560 wrote to memory of 4224	560	RdrCEF.exe	90
PID 560 wrote to memory of 4224	560	RdrCEF.exe	90
PID 560 wrote to memory of 4224	560	RdrCEF.exe	90
PID 560 wrote to memory of 4224	560	RdrCEF.exe	90
PID 560 wrote to memory of 4224	560	RdrCEF.exe	90
PID 560 wrote to memory of 4224	560	RdrCEF.exe	90
PID 560 wrote to memory of 4224	560	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\884276c04bb1b5dc54094f032a362c3a.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:1396
- 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:560
- - 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=1BA672D21372EEA80FF81EB0DF8FA3C0 --mojo-platform-channel-handle=1740 --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=F3115A93DB243F0950B68F95595C09C3 --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=F3115A93DB243F0950B68F95595C09C3 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4224
- - 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=C6DEFAD3DA80E9928ED046D154B86D89 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3784
- - 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=231ECDE7EAFD9A641CAB5AE9A95B9331 --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=231ECDE7EAFD9A641CAB5AE9A95B9331 --renderer-client-id=5 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2000
- - 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=E39A6A62AC82F8B9FCDDE12E3C5F6706 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4572
- - 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=7785BCC9EA888BBE0BFC2EB2D9CE0550 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4852

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3660

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
8e403b48abcd9f9655882aa87218f42d

SHA1
d6ecc1265e6c7e6f7a0ac41ffe80e8bffe2c2eab

SHA256
716c091f359656e2e9c653e26fac8cf134a9aec48bde6bfc57c76767507309e5

SHA512
f8bdc7def66e52920e59f77f1d67f90dd902e3aa176e33c7473b681fd61b5f2966d4c780a913df11b9640ebdb83385a5f6ed08b61e38496462bea50dc4382d7d

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