f01dc971182225ed5bae9d683d41ab5f028c599ffcf2dd07583134d16767d19f

Analysis

max time kernel
145s
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
19-12-2023 14:56

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General

Target

4819ee7b21c53acc95e001c0ca1614cb.pdf
Size

79KB
MD5

4819ee7b21c53acc95e001c0ca1614cb
SHA1

a15612cad638a2367e73eba3ba6e94f3b7e09b35
SHA256

f01dc971182225ed5bae9d683d41ab5f028c599ffcf2dd07583134d16767d19f
SHA512

62d9f3dcc158aa4aa2fe0052e676a915f69a3e58e2bbf630f218f01b1b7d3243c26ad24c68c4b0c38d01e1b493e125ecba684f56f61a1913c1b00cf60eb11132
SSDEEP

1536:JAKEcQ7FjiO7Xv4xVL24z4M5CWYpO2kvU4gPkJm78WbN1XIqk0f32Dx:6Lxjb7Xv4xVLHz4Y2I4ko7XN+0fc

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4100	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4100 wrote to memory of 3380	4100	AcroRd32.exe	90
PID 4100 wrote to memory of 3380	4100	AcroRd32.exe	90
PID 4100 wrote to memory of 3380	4100	AcroRd32.exe	90
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 3888	3380	RdrCEF.exe	91
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92
PID 3380 wrote to memory of 348	3380	RdrCEF.exe	92

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\4819ee7b21c53acc95e001c0ca1614cb.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:4100
- 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:3380
- - 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=EBAB32D290B6F52CA6312DD5D43CC29E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3888
- - 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=4569A8F985FE681AEF373E65FBB4D29D --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=4569A8F985FE681AEF373E65FBB4D29D --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:348
- - 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=39E7C57D8224F9AB042A24870BBDEA6B --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1896
- - 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=D7A3E77BC6699672BA7C584ACA70DC38 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1352
- - 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=5582ED25AFFB5B4B9DDEFF6E22F1C901 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1168
- - 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=3E26CEE44EE0619048BB03D245091B5B --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=3E26CEE44EE0619048BB03D245091B5B --renderer-client-id=7 --mojo-platform-channel-handle=2540 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2780

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1128

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
d6f7c256aa83fb656b5961336edbe0cd

SHA1
00cd25b354c10e900b6f6e46ff818f3d92d3e397

SHA256
e3ad577a97e044bd6041f5ac0d14e7026baedfc8bc5dbd9f2d9609a965ad622a

SHA512
19b2d3e3276a1e4a604d7a6836fee227d374b6e00f8864eb6be3354c4d5878b84534d3fab75a8d745a8ea4ccf8fddcd191b5c2a7f79a442445706498b4c858e7

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