3360e71ac41b8e83cecd1b9905f616c515b89beb331838982f52b8e173dcd0f3

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 10:58

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General

Target

1694bea7800a044cc2906721a28ddad4.pdf
Size

128KB
MD5

1694bea7800a044cc2906721a28ddad4
SHA1

d22cf4c731ac3c6dd578873168efa2836d033879
SHA256

3360e71ac41b8e83cecd1b9905f616c515b89beb331838982f52b8e173dcd0f3
SHA512

685d8868403042818761a11f93edf35093e348b32cc33b2e65fbee4f01353b847c6e8e84f0c2f193d8b7cc8528bce1889f514a35d499f855cb57349a30580c28
SSDEEP

3072:5PSHH1u/HIMuYd+Wki/dRah+9GHYSQq9azDnO86a:6QPIMfd+B2aNHYH

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2884	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2740	2884	AcroRd32.exe	90
PID 2884 wrote to memory of 2740	2884	AcroRd32.exe	90
PID 2884 wrote to memory of 2740	2884	AcroRd32.exe	90
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5116	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91
PID 2740 wrote to memory of 4440	2740	RdrCEF.exe	91

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\1694bea7800a044cc2906721a28ddad4.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:2884
- 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:2740
- - 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=C371F08914941862CE5B61CECC19B1D1 --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=C371F08914941862CE5B61CECC19B1D1 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4440
- - 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=E94FF884FCF5DB0625F4F605E955DBD6 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5116
- - 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=E470BC4804C668AD79FFD16A6CF706AB --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2972
- - 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=5399F7598931B367B75EF6CEC1938ECF --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1124
- - 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=696EB593A8403FDC90EE70246B0345CB --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2488
- - 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=80605FA1FA73E9F0821A2A0BEF9B9751 --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=80605FA1FA73E9F0821A2A0BEF9B9751 --renderer-client-id=7 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2124

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1136

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
fc19778c84d33eedf44190e83f233303

SHA1
aa88d3db85e42d1c24e7107683b981684f3ee805

SHA256
096ce957873acf8953a2657d7b821ac2aad33d958c7405f762ac08c03f814e78

SHA512
87275c7efb1eede2d0eba8dec0fe79410369a8e2f3c2fc2774a4c69af8920736d7e161762080015e1dee28641d8cb6cf679ed0bcd85b4b263eeb8eabb3d22717

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