9d18772d03a534d3ee153e38af964ab4b4a9ed0d6ac5ec35b94356c2cbf828f3

Analysis

max time kernel
142s
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
28-01-2024 20:28

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General

Target

7dec44387ebe26f7008e8e6a838ebefa.pdf
Size

73KB
MD5

7dec44387ebe26f7008e8e6a838ebefa
SHA1

6f7ac3b3563195edf0180dbaaa08fa908db172d9
SHA256

9d18772d03a534d3ee153e38af964ab4b4a9ed0d6ac5ec35b94356c2cbf828f3
SHA512

ac3fb1f4a740f0ec47ac72242bcd8acaf2cdaeb2b5113f67556b112fcdc2f55794d11aee68ca876357c4e64a14124bc1edf29ac7e72e68103e4b60f8f5770697
SSDEEP

1536:UFE81hp9R4HCELfp3icfYs3P09pQxtDAmru08LwvTO0inCZbRMT:e1D9ELfp37r0LQxtDAmr6UxXlM

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1512	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 1892	1512	AcroRd32.exe	87
PID 1512 wrote to memory of 1892	1512	AcroRd32.exe	87
PID 1512 wrote to memory of 1892	1512	AcroRd32.exe	87
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 3624	1892	RdrCEF.exe	89
PID 1892 wrote to memory of 4344	1892	RdrCEF.exe	90
PID 1892 wrote to memory of 4344	1892	RdrCEF.exe	90
PID 1892 wrote to memory of 4344	1892	RdrCEF.exe	90
PID 1892 wrote to memory of 4344	1892	RdrCEF.exe	90
PID 1892 wrote to memory of 4344	1892	RdrCEF.exe	90
PID 1892 wrote to memory of 4344	1892	RdrCEF.exe	90
PID 1892 wrote to memory of 4344	1892	RdrCEF.exe	90
PID 1892 wrote to memory of 4344	1892	RdrCEF.exe	90
PID 1892 wrote to memory of 4344	1892	RdrCEF.exe	90
PID 1892 wrote to memory of 4344	1892	RdrCEF.exe	90
PID 1892 wrote to memory of 4344	1892	RdrCEF.exe	90
PID 1892 wrote to memory of 4344	1892	RdrCEF.exe	90
PID 1892 wrote to memory of 4344	1892	RdrCEF.exe	90
PID 1892 wrote to memory of 4344	1892	RdrCEF.exe	90
PID 1892 wrote to memory of 4344	1892	RdrCEF.exe	90
PID 1892 wrote to memory of 4344	1892	RdrCEF.exe	90
PID 1892 wrote to memory of 4344	1892	RdrCEF.exe	90
PID 1892 wrote to memory of 4344	1892	RdrCEF.exe	90
PID 1892 wrote to memory of 4344	1892	RdrCEF.exe	90
PID 1892 wrote to memory of 4344	1892	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\7dec44387ebe26f7008e8e6a838ebefa.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:1512
- 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:1892
- - 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=142357FE098777B39398F39A42D80EA4 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3624
- - 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=B26892EE8648EDA08B989F3226145222 --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=B26892EE8648EDA08B989F3226145222 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4344
- - 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=0F6E04489A2A22134C34F0244B50CAF0 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4976
- - 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=EFDCF289587EEBC1C50C82F6E460A494 --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=EFDCF289587EEBC1C50C82F6E460A494 --renderer-client-id=5 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1736
- - 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=027B12E2F501371FC42ECFD17B9B97D7 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3344
- - 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=3A6927E8FFD5C901B0F97D8FE4055F54 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3536

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3580

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
aeb234d148cd1b9ec382eb46146db8bc

SHA1
ec86c267fcc10b1d15f463120aa184f1fb05b9a9

SHA256
366746e54d6e259e2cde12bd35380d766bbc2b55b80f240c3279042c07d313b4

SHA512
356662c9f326f9c986333874fc94a466351a87cb287533f0d3027589e86d384d67afdad82a0891a6bde3d65c0835000c0773a65e6b38b6221e397afac227829b

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
memory/1512-28-0x000000000A3E0000-0x000000000A401000-memory.dmp

Filesize
132KB

Download