92410a5d368c948062652f63751f03c3855d898ac29aa99c299cff77db564b63

Analysis

max time kernel
146s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 07:32

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General

Target

12383dc6126681e76e3d613e710b6742.pdf
Size

33KB
MD5

12383dc6126681e76e3d613e710b6742
SHA1

77214317ab9974817d0323a68e75acfd6ea33b30
SHA256

92410a5d368c948062652f63751f03c3855d898ac29aa99c299cff77db564b63
SHA512

fef7d6d52a2369e514db51d1b2dceb133f41bfd0edddeb0f14439b2fd793087d6a6c31ed2383ca24389ce1a070615e321e4915745490d845105b70221e4b4285
SSDEEP

768:K0auMuzvkm8dNxA1NC6mf/MzczIWcw9LN+:nMLmM+TTaU+fcw9LN+

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
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4940	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4940 wrote to memory of 2800	4940	AcroRd32.exe	94
PID 4940 wrote to memory of 2800	4940	AcroRd32.exe	94
PID 4940 wrote to memory of 2800	4940	AcroRd32.exe	94
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2296	2800	RdrCEF.exe	96
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97
PID 2800 wrote to memory of 2948	2800	RdrCEF.exe	97

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\12383dc6126681e76e3d613e710b6742.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:4940
- 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:2800
- - 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=F3BC7FEA61A967717A234AB2C25E385D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2296
- - 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=82FCDCF3F2BD56F2776F8F1766735473 --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=82FCDCF3F2BD56F2776F8F1766735473 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2948
- - 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=0873F13B382835DF66F6184FE502B6D2 --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=0873F13B382835DF66F6184FE502B6D2 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3824
- - 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=0AF234E0B5D6B0DC4A33EB539CB469A2 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4644
- - 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=6824F3A85A46C9E3DDEA0F3911CE4799 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3476
- - 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=902D2699B40C6EC54937ABA0F985A0CA --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4516

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4648

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
0b39dff0c8ed07a16a97fe0892985d9e

SHA1
c0a124fedea76ac62debb273ad9cd44d5eb82b3c

SHA256
52e753bae89fc3d82f072571e61fd6363448f688c0b1ce1cae24f202187e327d

SHA512
54614676f8617b469fcc208e19602965da8283e9258304e778930d8601df0455dab00ca79011d67bdacc06783a1c4c67fe27163a43a163e35214421ca2d8116e

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