022afc2ed4d12b534b499a83c55dedc10417a24a4cb847d8199e98654517495a

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12-03-2024 13:08

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General

Target

c371974b5a0662f15c38122c73f79d0f.pdf
Size

13KB
MD5

c371974b5a0662f15c38122c73f79d0f
SHA1

7f390b2e6680d2bf21b5ba87b6f7bd092be3d5ad
SHA256

022afc2ed4d12b534b499a83c55dedc10417a24a4cb847d8199e98654517495a
SHA512

0a4c4f6be5348a291152fb254639678b2c2d3623c7b852cfeca7f6c0b65105e724ce3f6c68aa5174e7036aedec4fb15ee8df3c31cf4cf04fbc2cc934a468e355
SSDEEP

384:DLEMMLEtysyj/RLHCRLHTMbCU3GMVgkhY8pRPFOF++:Dg/g0FsTMbCU3GMVgB3

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4280	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe
4280	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4280 wrote to memory of 2096	4280	AcroRd32.exe	93
PID 4280 wrote to memory of 2096	4280	AcroRd32.exe	93
PID 4280 wrote to memory of 2096	4280	AcroRd32.exe	93
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 2404	2096	RdrCEF.exe	97
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98
PID 2096 wrote to memory of 3660	2096	RdrCEF.exe	98

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\c371974b5a0662f15c38122c73f79d0f.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:4280
- 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:2096
- - 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=DAADAECD09AB3B7490C0B063A85E5998 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2404
- - 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=532018AEC5C2C49E386A9F55A4BBBE7F --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=532018AEC5C2C49E386A9F55A4BBBE7F --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3660
- - 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=7E70973C951F6A40075D38FEC297E27D --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=7E70973C951F6A40075D38FEC297E27D --renderer-client-id=4 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3692
- - 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=7D707ECDA56CEF9240C8D37E321E2790 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:404
- - 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=D4283467951B5AC57850BA42C4A74823 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4320
- - 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=59C424E63486EE6ADA117CA1FB231A33 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4932

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1472

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
9dce848eaf00ffd1ca306b9bb01780d1

SHA1
a96d25df06fa5bcb8e783ad7ae1ba36f0a16a4aa

SHA256
92bf192ab05e1235723769593e8e19930ed254906e30388471f39a6813778cfd

SHA512
5120b7c4c3905462bf995b2cf2797ceec4111c3dba2772f0ec27c2f4497a522845498a7c877f7a9acefd5de811bb51f17c34b6aab2497f51ea55a5e09cd0ea9e

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