98b53f919cfda51ca62b3a4a88f148f4221f75b86e4f46bf2270c301e6032f5f

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25/03/2024, 17:37

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General

Target

de936eb29479fb493b0f18a6c00477be.pdf
Size

46KB
MD5

de936eb29479fb493b0f18a6c00477be
SHA1

3714b189e626c37a66c6b0b1d7fdf430a7046878
SHA256

98b53f919cfda51ca62b3a4a88f148f4221f75b86e4f46bf2270c301e6032f5f
SHA512

6d6d65191dfd7f94e931ecb41fc5dd30f96a4f97035d6509cdabf99c9233175d4a0a8d762b31470f7a118d71a6cf313ee9adc73ce06dc9e944b95ef0c1e75402
SSDEEP

768:iWEeoWISu67K7uAxdXPyyI6iVHMmHGJTiu1J48u76YNxqDReR1vORlMdRdEyuTW:ingTuL7uADfyF98iu127NqDsR1vORlM7

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5328	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe
5328	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5328 wrote to memory of 1368	5328	AcroRd32.exe	91
PID 5328 wrote to memory of 1368	5328	AcroRd32.exe	91
PID 5328 wrote to memory of 1368	5328	AcroRd32.exe	91
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 4188	1368	RdrCEF.exe	92
PID 1368 wrote to memory of 1508	1368	RdrCEF.exe	93
PID 1368 wrote to memory of 1508	1368	RdrCEF.exe	93
PID 1368 wrote to memory of 1508	1368	RdrCEF.exe	93
PID 1368 wrote to memory of 1508	1368	RdrCEF.exe	93
PID 1368 wrote to memory of 1508	1368	RdrCEF.exe	93
PID 1368 wrote to memory of 1508	1368	RdrCEF.exe	93
PID 1368 wrote to memory of 1508	1368	RdrCEF.exe	93
PID 1368 wrote to memory of 1508	1368	RdrCEF.exe	93
PID 1368 wrote to memory of 1508	1368	RdrCEF.exe	93
PID 1368 wrote to memory of 1508	1368	RdrCEF.exe	93
PID 1368 wrote to memory of 1508	1368	RdrCEF.exe	93
PID 1368 wrote to memory of 1508	1368	RdrCEF.exe	93
PID 1368 wrote to memory of 1508	1368	RdrCEF.exe	93
PID 1368 wrote to memory of 1508	1368	RdrCEF.exe	93
PID 1368 wrote to memory of 1508	1368	RdrCEF.exe	93
PID 1368 wrote to memory of 1508	1368	RdrCEF.exe	93
PID 1368 wrote to memory of 1508	1368	RdrCEF.exe	93
PID 1368 wrote to memory of 1508	1368	RdrCEF.exe	93
PID 1368 wrote to memory of 1508	1368	RdrCEF.exe	93
PID 1368 wrote to memory of 1508	1368	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\de936eb29479fb493b0f18a6c00477be.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:5328
- 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:1368
- - 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=285558F8F76242EF972A60ACA51ED6CD --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4188
- - 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=169F69A691CA6750678A269EB9F7BA08 --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=169F69A691CA6750678A269EB9F7BA08 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1508
- - 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=3F8731CAEA38636B8964FB1C42D07C58 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3344
- - 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=5810B02D9DCA22A0242A58AF546B678D --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5656
- - 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=AE15F21B1874382336E8E21EDF59E1F4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5340
- - 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=BABAD68F13351B4D43BB3B0EA95D4612 --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=BABAD68F13351B4D43BB3B0EA95D4612 --renderer-client-id=7 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5308

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:892

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
0828847c3db6436be7f6c8c204b57708

SHA1
baf10027c8ba8533e323c4a99d34c7a9d826f201

SHA256
1d12b6f94be2c23a75af2bdcbbb5608f2d63164bff15c3bc63c25b1e5f818a4e

SHA512
1ded37995a8639a4b46aa24f026b0f657e1f191481c2ae70fbc0823299b60f836fb265c3f7cd349adfb9556bd2d31e689469ec787ff45040b224817a09ac2739

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