a05df79312ecadd421c1f122b943b82cfaa1408a6c20703765e239768d4b1336

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 10:31

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General

Target

07349e78a93420573eb80fa30e48dd26.pdf
Size

83KB
MD5

07349e78a93420573eb80fa30e48dd26
SHA1

815ac66235d2ca0608dd8f1f14296475c7ceef07
SHA256

a05df79312ecadd421c1f122b943b82cfaa1408a6c20703765e239768d4b1336
SHA512

725a00ea4ab81daf3a7e659b7c8051d75879e698d2738107a43f94648c551cba799e0c84140590f615f849b176ce06a81aa3a678e11e1fdd5eebae59a9c6bf00
SSDEEP

1536:jZyf5fCWRuF/0e3EF+cDSauyvS4HHpFpGpwnQrNVPvVrBAWH/HtDxV+WspO2bhOs:VyfoW+/0e3EBD8yvS4HHp2pwny3lB/fO

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2500	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe
2500	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 408	2500	AcroRd32.exe	95
PID 2500 wrote to memory of 408	2500	AcroRd32.exe	95
PID 2500 wrote to memory of 408	2500	AcroRd32.exe	95
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 1140	408	RdrCEF.exe	96
PID 408 wrote to memory of 316	408	RdrCEF.exe	97
PID 408 wrote to memory of 316	408	RdrCEF.exe	97
PID 408 wrote to memory of 316	408	RdrCEF.exe	97
PID 408 wrote to memory of 316	408	RdrCEF.exe	97
PID 408 wrote to memory of 316	408	RdrCEF.exe	97
PID 408 wrote to memory of 316	408	RdrCEF.exe	97
PID 408 wrote to memory of 316	408	RdrCEF.exe	97
PID 408 wrote to memory of 316	408	RdrCEF.exe	97
PID 408 wrote to memory of 316	408	RdrCEF.exe	97
PID 408 wrote to memory of 316	408	RdrCEF.exe	97
PID 408 wrote to memory of 316	408	RdrCEF.exe	97
PID 408 wrote to memory of 316	408	RdrCEF.exe	97
PID 408 wrote to memory of 316	408	RdrCEF.exe	97
PID 408 wrote to memory of 316	408	RdrCEF.exe	97
PID 408 wrote to memory of 316	408	RdrCEF.exe	97
PID 408 wrote to memory of 316	408	RdrCEF.exe	97
PID 408 wrote to memory of 316	408	RdrCEF.exe	97
PID 408 wrote to memory of 316	408	RdrCEF.exe	97
PID 408 wrote to memory of 316	408	RdrCEF.exe	97
PID 408 wrote to memory of 316	408	RdrCEF.exe	97

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\07349e78a93420573eb80fa30e48dd26.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:2500
- 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:408
- - 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=7BA0CD8C6C1608F3BE2B4CC2B47F5641 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1140
- - 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=EA91BEC0E36607A406586A2D6EC5FA7E --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=EA91BEC0E36607A406586A2D6EC5FA7E --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:316
- - 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=89EE8D635FF6A224010DBB0CA7E29451 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4564
- - 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=70E0437E64B3CF36B10C5A4018CF3868 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4048
- - 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=E8E0F26F6C5C0FCE82E51E40A90D9897 --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=E8E0F26F6C5C0FCE82E51E40A90D9897 --renderer-client-id=6 --mojo-platform-channel-handle=2208 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1068
- - 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=DFF73B0744BD3850FFFB3AAFD1A2AE7E --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1620

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4436

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
e3398e2ec52311de64aefaf324a7b84e

SHA1
ac6b159fd6cbb66f659a671547bcd1810343f95b

SHA256
aeb18123155db50759d25ada4b1e260fc390204ebd8ecae37eba50b7480df4e3

SHA512
d0966e7c72d756bef4746321f0aeeecb5a4899f906b8ec9c58796445cf1c198de5347df0e299515b552e23d3360c2bdd0ce8016ce1e3608aa43aec15079e9942

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