6ce45f8ee72a7ea0be8431ad614717ca985c77ab516e636725ce13be58703178

Analysis

max time kernel
143s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2024 19:38

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General

Target

4445e89e9364f81bd1dad3ca6cc31392.pdf
Size

76KB
MD5

4445e89e9364f81bd1dad3ca6cc31392
SHA1

4ca20f722af0eaa37f0b0890f94b74f8b42beb42
SHA256

6ce45f8ee72a7ea0be8431ad614717ca985c77ab516e636725ce13be58703178
SHA512

9b03d13ac352ed7d65e6f8d4768676827274601139609e331c4762beca51e45db1d3faa358436d7d1daadd0187615a1c85ac9c0ca06317aaa7058fbfeeb9cefc
SSDEEP

1536:jqk4uFs5W9hO+Yc4KvFRhvoKswz8WHpOv3Iqeim2WTidJz/lLDRL6hv:L0o9f46FRZoKFz0v3IKmGN/lL9g

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4416	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4416 wrote to memory of 1052	4416	AcroRd32.exe	90
PID 4416 wrote to memory of 1052	4416	AcroRd32.exe	90
PID 4416 wrote to memory of 1052	4416	AcroRd32.exe	90
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 8	1052	RdrCEF.exe	92
PID 1052 wrote to memory of 3764	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 3764	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 3764	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 3764	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 3764	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 3764	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 3764	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 3764	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 3764	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 3764	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 3764	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 3764	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 3764	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 3764	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 3764	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 3764	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 3764	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 3764	1052	RdrCEF.exe	91

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\4445e89e9364f81bd1dad3ca6cc31392.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:4416
- 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:1052
- - 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=1292044DC606543D4FEBE203A6DF8F56 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3764
- - 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=7E502B07DDADA2F9842128F5B73BD378 --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=7E502B07DDADA2F9842128F5B73BD378 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:8
- - 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=2154FE2F7E7C2DDB2A34BBCC223833FB --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=2154FE2F7E7C2DDB2A34BBCC223833FB --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3272
- - 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=B013A045D42411CF8D714478A1FFDA2F --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3604
- - 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=601EC6664B40DCBDF3E132348765DC49 --mojo-platform-channel-handle=2108 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:656
- - 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=D92B3D58D0544633B73782C1DEDDF052 --mojo-platform-channel-handle=2732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1728

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4196

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
6b939157e6e0be5e51b4729a7e7e7a0a

SHA1
8e4fdcefc2854d0bc3398bfcab8ffda0b1c14f5b

SHA256
3a92284920354c4e0169e78a231a7bf8f32dd7037e08d06c27fad519589e6b94

SHA512
7fa955535a8b400ea0e8e0c0147c05df0286a778ce795ed035af10d63a53950e03d7d8b8c9bd80a27f0c90f0382c5b00b72120a8364491a27104cf3a86427d43

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