469a99ebc475bb7ad7553175a4ab3902e7973a0f46fda88849b29d0a806cbb71

Analysis

max time kernel
145s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29/01/2024, 09:52

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General

Target

7f88951615c4fe66841dee4a5a8da515.pdf
Size

85KB
MD5

7f88951615c4fe66841dee4a5a8da515
SHA1

ba3b6f68fc3db30a9731723fbd82482638d25b99
SHA256

469a99ebc475bb7ad7553175a4ab3902e7973a0f46fda88849b29d0a806cbb71
SHA512

33beaaefbf07a083ecca90a007965a35fc54af2a6c21290e5d3b3a186aa96bf4c6c26e18944c8c55a88bde950488296289322e4b7655ce53eb7c81567ad0121b
SSDEEP

1536:b5U83U/8pW6Jr8gMewNv9ueAeeBE0xxWJ6WkNpOPW3bKamOiW08JDyFeOAm:VkEk+r8Pv9ke70kPW3sOyGDWea

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4184	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4184 wrote to memory of 3680	4184	AcroRd32.exe	89
PID 4184 wrote to memory of 3680	4184	AcroRd32.exe	89
PID 4184 wrote to memory of 3680	4184	AcroRd32.exe	89
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1644	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 4964	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 4964	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 4964	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 4964	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 4964	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 4964	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 4964	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 4964	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 4964	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 4964	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 4964	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 4964	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 4964	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 4964	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 4964	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 4964	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 4964	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 4964	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 4964	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 4964	3680	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\7f88951615c4fe66841dee4a5a8da515.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:4184
- 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:3680
- - 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=684D31D64DF2755AC55BE16C7845D977 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1644
- - 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=E5EF38896D21E83D19DCB7F3441E8D5E --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=E5EF38896D21E83D19DCB7F3441E8D5E --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4964
- - 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=146FF8247280FAE70F69847E29A01F91 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1276
- - 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=F867E67F42A5EC2EAE1245A3C0180488 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2360
- - 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=EB74A7A6A94C73B5EDF5A8762C678499 --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=EB74A7A6A94C73B5EDF5A8762C678499 --renderer-client-id=6 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4736
- - 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=065429E65E9ED669C690E12247C23191 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3240

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1412

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
2a3558e7aa11568c98a54acff9b8ff26

SHA1
af639995d6d3e61ccf2fb756e3ad7f603a5b83c1

SHA256
f88220f126a752a17ff2b690c3d53c83b8bebbf7bc9abd7bff9d1b1b88de55b5

SHA512
9a5a0c698168b0dce3354ce14307566c05923820264f21cca8df07ef6eda293a7c00aa3f015e41fe1b57385e4112c3b40ad1c00d02c675a979ffbb2fc2d1fc9e

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