3a6e8584b3a659f9ae0ca321c301d0fe328bf3ac495b770be461268d2ba39e70

Analysis

max time kernel
162s
max time network
174s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 13:18

Sharing

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General

Target

71b59e1ef59ef0430736acaa4638cca8.pdf
Size

14KB
MD5

71b59e1ef59ef0430736acaa4638cca8
SHA1

17d382585944963289e5b10a359cea657e593faa
SHA256

3a6e8584b3a659f9ae0ca321c301d0fe328bf3ac495b770be461268d2ba39e70
SHA512

2e66b2e746a4d7b799e8dceab8415e3a5c01b72740af6ec611a32b597dedbc5aea5ecac0c4a337143d0189e51c6944ff5b109cdb4edfe9f31ee1b1917dc6bc04
SSDEEP

384:4ONT7lEbvrW3AsG9rGrqi9zVXer2MqmpcxYhPZzV4fvwdCeewIjJizIgz:g6qvGG

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2588	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 4860	2588	AcroRd32.exe	91
PID 2588 wrote to memory of 4860	2588	AcroRd32.exe	91
PID 2588 wrote to memory of 4860	2588	AcroRd32.exe	91
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1416	4860	RdrCEF.exe	93
PID 4860 wrote to memory of 1832	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1832	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1832	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1832	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1832	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1832	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1832	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1832	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1832	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1832	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1832	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1832	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1832	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1832	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1832	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1832	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1832	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1832	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1832	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 1832	4860	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\71b59e1ef59ef0430736acaa4638cca8.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:2588
- 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:4860
- - 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=4311FBD5DF2ABB9148AD02D7FFE631CE --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=4311FBD5DF2ABB9148AD02D7FFE631CE --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1832
- - 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=3728CB133374BBD60DE7A310EF9118B5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1416
- - 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=106F139F45088D94AB1C51B8D08757B0 --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=106F139F45088D94AB1C51B8D08757B0 --renderer-client-id=5 --mojo-platform-channel-handle=2004 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4420
- - 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=E0D035ADA41D3FEA025F7840A20C8AB1 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5092
- - 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=FC8C1F4578F599FB9EFA04653F8C86FA --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:664
- - 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=417246F5BF799105544CB6BB2A7D8F9C --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4508

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4048

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
5bb71e2dbb42bab64403403c57a40853

SHA1
da1cba028a28e3a8f74d18f4d0b482088c96f39b

SHA256
6f13652396bebf430d91d76819993842ce8551038de11f98251a8ae5f46aa94b

SHA512
cb05bc94081d177514004cd894c47532d870426ba4a222f7d94949bf0f6f62d8da8b4fd5c04b6e3adbc5e8d63dd58a1874d0f0a4f4ab518fc624d482fdf962ef

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