e7a7133411bc41d17daef7cb3f294a7e665250d7c256489c95f33b80169d41a9

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 10:34

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General

Target

084a72d4416e61248647b8f9c3faa435.pdf
Size

81KB
MD5

084a72d4416e61248647b8f9c3faa435
SHA1

77141e76ddac99569519280d307b8d8beecb8e77
SHA256

e7a7133411bc41d17daef7cb3f294a7e665250d7c256489c95f33b80169d41a9
SHA512

5a8b84d30f06972799a020e9202c02eeb8045d4093a2327b254c565455763f7b92540d8cec292e2ace6baee723369c4a669bffae133b23c1e088dd577d53e5a5
SSDEEP

1536:77NIGeMkGQgzD8RbVHSqLWGSDYbQ1HbAPl+0qO7VoDWkNpOPaW0/K9Ll4c9miZ1k:HNTtQgzoRbVrSzDNtAFto0PCKBld9fCP

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2392	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 1600	2392	AcroRd32.exe	95
PID 2392 wrote to memory of 1600	2392	AcroRd32.exe	95
PID 2392 wrote to memory of 1600	2392	AcroRd32.exe	95
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 2776	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4860	1600	RdrCEF.exe	97
PID 1600 wrote to memory of 4860	1600	RdrCEF.exe	97
PID 1600 wrote to memory of 4860	1600	RdrCEF.exe	97
PID 1600 wrote to memory of 4860	1600	RdrCEF.exe	97
PID 1600 wrote to memory of 4860	1600	RdrCEF.exe	97
PID 1600 wrote to memory of 4860	1600	RdrCEF.exe	97
PID 1600 wrote to memory of 4860	1600	RdrCEF.exe	97
PID 1600 wrote to memory of 4860	1600	RdrCEF.exe	97
PID 1600 wrote to memory of 4860	1600	RdrCEF.exe	97
PID 1600 wrote to memory of 4860	1600	RdrCEF.exe	97
PID 1600 wrote to memory of 4860	1600	RdrCEF.exe	97
PID 1600 wrote to memory of 4860	1600	RdrCEF.exe	97
PID 1600 wrote to memory of 4860	1600	RdrCEF.exe	97
PID 1600 wrote to memory of 4860	1600	RdrCEF.exe	97
PID 1600 wrote to memory of 4860	1600	RdrCEF.exe	97
PID 1600 wrote to memory of 4860	1600	RdrCEF.exe	97
PID 1600 wrote to memory of 4860	1600	RdrCEF.exe	97
PID 1600 wrote to memory of 4860	1600	RdrCEF.exe	97
PID 1600 wrote to memory of 4860	1600	RdrCEF.exe	97
PID 1600 wrote to memory of 4860	1600	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\084a72d4416e61248647b8f9c3faa435.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:2392
- 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:1600
- - 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=9360B2F026BE521E2A784F9AE7C6C418 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2776
- - 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=B64E1046BB9FF368A28140999FEDA0D1 --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=B64E1046BB9FF368A28140999FEDA0D1 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4860
- - 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=13CE92DD407B64AB2F38D56DDE309593 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4840
- - 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=F360783DAA522FC8D607CB0353B1A52B --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:996
- - 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=6D8B6E598B80C0C2EB2D690C76917337 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4120
- - 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=155CE5A7A80F3F5D3EC7494E4CB8BBE7 --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=155CE5A7A80F3F5D3EC7494E4CB8BBE7 --renderer-client-id=7 --mojo-platform-channel-handle=2456 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3756

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2896

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
b57b199946cff255bee821bdf9b81e4b

SHA1
709983705c8d17666c21a28bf8377ab990256ab7

SHA256
12b57cf0aefc0a53d70c4df7ee5f5ee815b1dfc41eb284705ea159881bc85f50

SHA512
3bdd1b95ef832c8f2e69b2a3e7268d1df0646820f579679efd202e9eb96c71d1f7a10303f86b566a37707f705733baf13f3a276032935af511d52d07e730365a

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