ee8c23e5d51e04ffd8ce9c17b625b2c2bd2b20ea2e3f7048f140f5e5733847c6

Analysis

max time kernel
142s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 13:12

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General

Target

9bbd13efa51ce1fd1a9f44b514f91b4f.pdf
Size

62KB
MD5

9bbd13efa51ce1fd1a9f44b514f91b4f
SHA1

9705199b7d3c3fca979cb0659b69f8682eb6e9b3
SHA256

ee8c23e5d51e04ffd8ce9c17b625b2c2bd2b20ea2e3f7048f140f5e5733847c6
SHA512

08b223b9870349ed4357875f103052a744d3af33e972c2ea627f297b253840ea9f08699a2674151f82950dcee05f87387b101419d4cc480c76bae0d1099039ac
SSDEEP

1536:z+rYXM5SFaz7KshOISHwWsHUy03/iQfCRi20b03SzMi:aWMEwOuOrR9y0/KRiFbjR

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1868	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 4036	1868	AcroRd32.exe	92
PID 1868 wrote to memory of 4036	1868	AcroRd32.exe	92
PID 1868 wrote to memory of 4036	1868	AcroRd32.exe	92
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4828	4036	RdrCEF.exe	93
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94
PID 4036 wrote to memory of 4420	4036	RdrCEF.exe	94

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\9bbd13efa51ce1fd1a9f44b514f91b4f.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:1868
- 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:4036
- - 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=109BB652ACB13C563853EE7ABF1E7815 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4828
- - 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=375FEC088D0B88D4B5CA8B430A4D6954 --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=375FEC088D0B88D4B5CA8B430A4D6954 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4420
- - 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=2B02D14DC545990F1F7B6282992D2A95 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4720
- - 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=D65C038F48F3F71F726B897F693A7F6F --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=D65C038F48F3F71F726B897F693A7F6F --renderer-client-id=5 --mojo-platform-channel-handle=1872 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5012
- - 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=35EC244C9A5CCAE33B84D1F43ADDBAE1 --mojo-platform-channel-handle=2464 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4128
- - 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=A9A1484FC4EA41CDD5D339C2D86A7A43 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5008

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3544

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
705c3f7390605ea6776678cfb95aa0d5

SHA1
bc6c488dd1da558c618ef5c51b691c2f69dd07d9

SHA256
82a46cde50b49a285a50b16f52fa02337e5f433b9f8e6ff317c2bceb7549486c

SHA512
7d87f6eaff7e5b1ae7da7eb09101caa3ded83acf1b7a5fd393c5def235dd40cd2554d1c2ae3f209161d88a3199883a7e4fcb95c7090fe6cc8ff4d179d504b87c

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
memory/1868-27-0x00000000090F0000-0x0000000009111000-memory.dmp

Filesize
132KB

Download