d4c85049ce157c989b60335427d6be492c0e3da7484b490257c39af4af55ee1e

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 11:09

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General

Target

5065dbdfddcae88ce017d9a884e3644b.pdf
Size

117KB
MD5

5065dbdfddcae88ce017d9a884e3644b
SHA1

20cdd942df4af0135e9bd1d55a2f80121bcc67c1
SHA256

d4c85049ce157c989b60335427d6be492c0e3da7484b490257c39af4af55ee1e
SHA512

33cf34e9e5632e8e02ba582bbf70acc3861e1313f351e884d4d5c7259905838b14843e7c988bdadc4c19c10f489ecd1f88a3fc3b5cc6e8252a44b99806f9f9d8
SSDEEP

3072:4eDossghw3RqSpQ/QfdLwMesIMi/yECw0QF:nYsw3RqSpRZwFtddR

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1584	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1584 wrote to memory of 3596	1584	AcroRd32.exe	91
PID 1584 wrote to memory of 3596	1584	AcroRd32.exe	91
PID 1584 wrote to memory of 3596	1584	AcroRd32.exe	91
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 1364	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93
PID 3596 wrote to memory of 2692	3596	RdrCEF.exe	93

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\5065dbdfddcae88ce017d9a884e3644b.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:1584
- 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:3596
- - 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=243CE53DA285E0CAA4E79A6574A93D6A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1364
- - 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=B031156D17BB8D9AEAB94ABD78A43BC1 --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=B031156D17BB8D9AEAB94ABD78A43BC1 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2692
- - 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=4712636C01346DCE35B517E1FCEF7895 --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=4712636C01346DCE35B517E1FCEF7895 --renderer-client-id=4 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4916
- - 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=E01266B5B410A3AD4E0D5B1C7FD31723 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1376
- - 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=D05E9B8D56E07A741A3B0D622003E566 --mojo-platform-channel-handle=1832 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:996
- - 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=AEE94E131C2209F14038D998A255E0FD --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2316

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2452

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
f679a3f0c970ecfb28e900b25699ea7a

SHA1
c99e92711650b0fdc3b0e5b6add9b5a4ded85be4

SHA256
06bcf54b45669737600fc3795ec7b6f05d89dd1711fbf163f637dbfaeac99415

SHA512
5eb765ca375b0479c9bab5b2ae2b544601aa8c3e3e849cb61eb101fd99fbc4f640acbe4f37b349526d11d807d058883275a43c760893d81daf6249eccedb5aef

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