1b5de9396e8963187442aa87f5010e4469ec9ba9e169517efb301ee58d422395

Analysis

max time kernel
143s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
23/01/2024, 22:26

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General

Target

70b830e2617f4ffb25745a5c5393a0ab.pdf
Size

34KB
MD5

70b830e2617f4ffb25745a5c5393a0ab
SHA1

310f013bbd27faefce562d0db3fdefb6d03af86c
SHA256

1b5de9396e8963187442aa87f5010e4469ec9ba9e169517efb301ee58d422395
SHA512

a7288955d7d7b044d9529489f23a5da0fe6a61d30fe361eaa31704d941b169305240d365526b4e8e03cff80e2ee3f214a7b8b73d74bd6efde4a3d1d0c78bd8b1
SSDEEP

768:I1yYbo21/s66rCpuZr8zy6YMZnDRMpKVxGdTdlllDVW85:IyYboI6upmoy42MVxGFg85

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4424	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4424 wrote to memory of 224	4424	AcroRd32.exe	94
PID 4424 wrote to memory of 224	4424	AcroRd32.exe	94
PID 4424 wrote to memory of 224	4424	AcroRd32.exe	94
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4796	224	RdrCEF.exe	95
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96
PID 224 wrote to memory of 4824	224	RdrCEF.exe	96

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\70b830e2617f4ffb25745a5c5393a0ab.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:4424
- 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:224
- - 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=72E64648F6180F7D034ED93F5D8A9C24 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4796
- - 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=C5149AA7CA3273ACAC6E37C2FD00FBB5 --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=C5149AA7CA3273ACAC6E37C2FD00FBB5 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4824
- - 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=33670BC5AD176E8AD8D3767F8AA1222F --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3976
- - 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=BB9D2847D3879A591FCE2783E630CBE2 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4052
- - 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=7F86F2A2A2999843931355DABEC3AE7A --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=7F86F2A2A2999843931355DABEC3AE7A --renderer-client-id=6 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3104
- - 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=6663E303E346053BE89E740D5EF026F2 --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3508

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1884

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
77699450d0591d7152c3e2da318ead0f

SHA1
0bf4f324a12233f17b2057ad418f8f5dca92ab3c

SHA256
2d5e13dc7968a4d75594aa3cb4891af95682ebf07e7f863b2e2aad8a7b301d14

SHA512
e5ca46defb64d6d0c62f193580841555c0651d15f255e50efd8e27a8e46576374b18cf7720cc46bbf167157d56e05c7b10d0bc4b192774ab458e7a1c0ce0d382

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