9037a89e9a48cb1c9c7202253ab7b5c6338680105ac930ab21d5ebb4aaf5bf18

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05-03-2024 16:19

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General

Target

b52158131686b9c4fb69e0abfb137434.pdf
Size

88KB
MD5

b52158131686b9c4fb69e0abfb137434
SHA1

20b61d39abc46fa43a95fade418c328af6610bcb
SHA256

9037a89e9a48cb1c9c7202253ab7b5c6338680105ac930ab21d5ebb4aaf5bf18
SHA512

7aaaed39028bbfb8af96f1267530f3cac94e21d70eb14e23e4bc643eb9bf0ada04730686198c3f16a5abe2ec52547dedfa4b4060d4c4f71498f29a4367cf33ef
SSDEEP

1536:G/1R/kWc9c732yDW5WiXENr86mFoqkFWKu3Avb0oWapOtQ9gB:OPycTVagqENr8F6qkAvRtQk

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3872	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3872 wrote to memory of 1960	3872	AcroRd32.exe	101
PID 3872 wrote to memory of 1960	3872	AcroRd32.exe	101
PID 3872 wrote to memory of 1960	3872	AcroRd32.exe	101
PID 3872 wrote to memory of 4384	3872	AcroRd32.exe	104
PID 3872 wrote to memory of 4384	3872	AcroRd32.exe	104
PID 3872 wrote to memory of 4384	3872	AcroRd32.exe	104
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 1216	1960	RdrCEF.exe	105
PID 1960 wrote to memory of 852	1960	RdrCEF.exe	106
PID 1960 wrote to memory of 852	1960	RdrCEF.exe	106
PID 1960 wrote to memory of 852	1960	RdrCEF.exe	106
PID 1960 wrote to memory of 852	1960	RdrCEF.exe	106
PID 1960 wrote to memory of 852	1960	RdrCEF.exe	106
PID 1960 wrote to memory of 852	1960	RdrCEF.exe	106
PID 1960 wrote to memory of 852	1960	RdrCEF.exe	106
PID 1960 wrote to memory of 852	1960	RdrCEF.exe	106
PID 1960 wrote to memory of 852	1960	RdrCEF.exe	106
PID 1960 wrote to memory of 852	1960	RdrCEF.exe	106
PID 1960 wrote to memory of 852	1960	RdrCEF.exe	106
PID 1960 wrote to memory of 852	1960	RdrCEF.exe	106
PID 1960 wrote to memory of 852	1960	RdrCEF.exe	106
PID 1960 wrote to memory of 852	1960	RdrCEF.exe	106
PID 1960 wrote to memory of 852	1960	RdrCEF.exe	106
PID 1960 wrote to memory of 852	1960	RdrCEF.exe	106
PID 1960 wrote to memory of 852	1960	RdrCEF.exe	106

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\b52158131686b9c4fb69e0abfb137434.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:3872
- 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:1960
- - 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=D85BFB937E0D1B0DABB5314577F8731C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1216
- - 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=162479BEC9B02A730B3211C456DCFA81 --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=162479BEC9B02A730B3211C456DCFA81 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:852
- - 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=893220E423B3531E6786E3B412B8483E --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=893220E423B3531E6786E3B412B8483E --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3592
- - 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=FC2D11EFB112914C479047C3A37C7B15 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4500
- - 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=87658A0BADB292C8337C1F046074968F --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:900
- - 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=8C38C60560FE2C265E56A79625271DC6 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4020
- 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⤵
  PID:4384

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1416 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
1⤵
PID:5852

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
40d0db6a1565322797c426f505c69624

SHA1
832ed2df4b61a2f9f78c3f09b1df546a9fe4cf9d

SHA256
9173afaacc4c241b200615d4c2e8a3c35449044ad828cfd830a793f457dc71a8

SHA512
5be39a4b2a9e725b5f18b67208c74f30939ab0ff5a740528c9ef79ba91cecd6ca4584348c39aa0681179bdedccfd10c00ebe6b7333577201de04fca79e36710f

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