49e8f411a51287bb10d432ff5fe6a8ac9be09212af77ac635c0e1ac6e5804117

Analysis

max time kernel
148s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 06:46

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General

Target

5a9a3060d5562e82564c02e05a67caf4.pdf
Size

91KB
MD5

5a9a3060d5562e82564c02e05a67caf4
SHA1

470e41cc15dfc4295b784024ddfc7e8ecf9c7c10
SHA256

49e8f411a51287bb10d432ff5fe6a8ac9be09212af77ac635c0e1ac6e5804117
SHA512

17e1add9ba24b84e18f49efe7b165e9e225a813ce1a84f0f0b506f1cdc4fd8c3d9aca8640860d88412847f7a7829abbc6aadf1e74931178c700be3f7bee9781f
SSDEEP

1536:fxZzBPH0DxZyEFisCLugftqktLcH0ta0DUowEHRWapOtQHWcSHK/UnbZT:JZzBPUDfjFiPLuotqdUvZHHetQbSq/Ud

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2860	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 4376	2860	AcroRd32.exe	95
PID 2860 wrote to memory of 4376	2860	AcroRd32.exe	95
PID 2860 wrote to memory of 4376	2860	AcroRd32.exe	95
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4032	4376	RdrCEF.exe	98
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99
PID 4376 wrote to memory of 4028	4376	RdrCEF.exe	99

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\5a9a3060d5562e82564c02e05a67caf4.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:2860
- 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:4376
- - 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=E64875CC2E7CAC801DDC7F7A666A83F3 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4032
- - 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=B865C1F39D8F7C4981A65919BA08AB57 --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=B865C1F39D8F7C4981A65919BA08AB57 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4028
- - 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=47A6796EF3BAE659A4E7F8041EEC7A8B --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=47A6796EF3BAE659A4E7F8041EEC7A8B --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2868
- - 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=721DB48C9F59CA8812E3AD92DEBF5400 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1720
- - 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=BCA755A940EB7DCAA50D6555885540F6 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4552
- - 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=39F2798C84FE297DD67C0E305C6B5C38 --mojo-platform-channel-handle=2760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4864

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1920

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
5632cd692d9749f98b6ad7a3cfd7655e

SHA1
1a9ee84081384198cd3393969d738bc18c699d9e

SHA256
cc082503ff65c0e49c874e21f118f58ce8a00cf6450020c711023acc42c1d0ff

SHA512
be4378cc5d7c9e8cf6841d34500cab044463f459d8aa217fdb27c19f453b7315aeca7a82ba1eb928b989f15ba1e74767c1ea09682c8d7c846e35aedb596cbed9

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