5adddac202f1b3b8d1c9353718cb728ebaad91da643a9102537ac24661182f3f

Analysis

max time kernel
147s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 13:55

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General

Target

38d51b04c7f2aef99205df321e8bd080.pdf
Size

85KB
MD5

38d51b04c7f2aef99205df321e8bd080
SHA1

9e79f1e25ec434e20e09f0a7ac00e6b96da7abb8
SHA256

5adddac202f1b3b8d1c9353718cb728ebaad91da643a9102537ac24661182f3f
SHA512

2f5882cdac380840a4122385a90b34e85419d607a3e5a4348085f19adaa2dde629c3468dedad649d9ec710681b09b02fcf86d0294a9e97aabfba00fe8be766e0
SSDEEP

1536:3WyIIgs/PjAJYHYvSnTfsdRLEIybLXPJWVefQSelwGm1tWapOtQHW1We7xVzY7wR:9/8q28LsoIyH/EVeh6wGm1ytQwlP

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1772	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1772 wrote to memory of 1268	1772	AcroRd32.exe	91
PID 1772 wrote to memory of 1268	1772	AcroRd32.exe	91
PID 1772 wrote to memory of 1268	1772	AcroRd32.exe	91
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 4728	1268	RdrCEF.exe	92
PID 1268 wrote to memory of 2944	1268	RdrCEF.exe	93
PID 1268 wrote to memory of 2944	1268	RdrCEF.exe	93
PID 1268 wrote to memory of 2944	1268	RdrCEF.exe	93
PID 1268 wrote to memory of 2944	1268	RdrCEF.exe	93
PID 1268 wrote to memory of 2944	1268	RdrCEF.exe	93
PID 1268 wrote to memory of 2944	1268	RdrCEF.exe	93
PID 1268 wrote to memory of 2944	1268	RdrCEF.exe	93
PID 1268 wrote to memory of 2944	1268	RdrCEF.exe	93
PID 1268 wrote to memory of 2944	1268	RdrCEF.exe	93
PID 1268 wrote to memory of 2944	1268	RdrCEF.exe	93
PID 1268 wrote to memory of 2944	1268	RdrCEF.exe	93
PID 1268 wrote to memory of 2944	1268	RdrCEF.exe	93
PID 1268 wrote to memory of 2944	1268	RdrCEF.exe	93
PID 1268 wrote to memory of 2944	1268	RdrCEF.exe	93
PID 1268 wrote to memory of 2944	1268	RdrCEF.exe	93
PID 1268 wrote to memory of 2944	1268	RdrCEF.exe	93
PID 1268 wrote to memory of 2944	1268	RdrCEF.exe	93
PID 1268 wrote to memory of 2944	1268	RdrCEF.exe	93
PID 1268 wrote to memory of 2944	1268	RdrCEF.exe	93
PID 1268 wrote to memory of 2944	1268	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\38d51b04c7f2aef99205df321e8bd080.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:1772
- 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:1268
- - 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=0771FF4C7685DD0CB2D932304FA6E0F2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4728
- - 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=00F5CECA6F500A6040E159F22F636C9A --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=00F5CECA6F500A6040E159F22F636C9A --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2944
- - 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=A2D0AE45331DA577F09157B36F2AB0E2 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4348
- - 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=9294E23413CCF233BDD30BCBB4619DCD --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=9294E23413CCF233BDD30BCBB4619DCD --renderer-client-id=5 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:932
- - 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=DBEBB0B3C8468C412AD49529E36EDB8C --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3384
- - 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=E966E05BDD746A87047FB1F785840119 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4292

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4896

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
701ff479e0296a81f70e3145204846a6

SHA1
6c3b83fdebd32d26f3ab8a8ce7fd8a33ae4bf264

SHA256
c2bdbe7dec926826f7807858521b55fe4c0ab0f29ec09d1914f75bd0ac084a1f

SHA512
de4e689ae31e02e11371be8d190aaa1597b602ecfc4d1bc6b8c7a69bfd23ea4fbac8e62070a1a151e88eb5ed0762e58a2fcb3a962155a2c84a2e476f53490739

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