66ca15c24a33897b3bd6fb176a3733d47030612718d7e57c356cdc11c1ee561d

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24-02-2024 14:56

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General

Target

a2223b6419fb72d986821071b4312e1a.pdf
Size

33KB
MD5

a2223b6419fb72d986821071b4312e1a
SHA1

2f27da7959b0332698b6bf16aafe2122beccad77
SHA256

66ca15c24a33897b3bd6fb176a3733d47030612718d7e57c356cdc11c1ee561d
SHA512

ebf5c120448688df256fc093afdc156ca4bf3ca71d7d9adaa44ca4c75847212a77e68935a18150dd742d4b543366deb794b9f4802585bf4a1e54893a323c955e
SSDEEP

768:kaQ1fosTvbqnuXNqqyf/I5oTEhaNDbYzOs6H:kr1Tqn08g5o0aNDbZs6H

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-1-5-21-2200714112-3788720386-2559682836-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2016	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe
2016	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 1952	2016	AcroRd32.exe	90
PID 2016 wrote to memory of 1952	2016	AcroRd32.exe	90
PID 2016 wrote to memory of 1952	2016	AcroRd32.exe	90
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 1484	1952	RdrCEF.exe	91
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92
PID 1952 wrote to memory of 2464	1952	RdrCEF.exe	92

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\a2223b6419fb72d986821071b4312e1a.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:2016
- 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:1952
- - 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=E08E3F46BAE83C4092DE95215DB1DC7F --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1484
- - 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=61ED1902D79248AE30DA72A3E12DBE33 --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=61ED1902D79248AE30DA72A3E12DBE33 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2464
- - 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=CFEC3BD2CA65F8E6FB2121C27D2ED33E --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=CFEC3BD2CA65F8E6FB2121C27D2ED33E --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    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" --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=31601DE4CBD45392D42D3C2E26E02E9A --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5088
- - 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=DA291832CA7C36D12AA973DF436BBE73 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2404
- - 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=065DE727A342B4701576DCF4553E95D9 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3284

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2944

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
22c0dbfb236e4bc14f0f37a74adc7e1a

SHA1
9622e5b94930d74f11452332affa09c62cbab03e

SHA256
d1edf9d875b6634a3f9ac74d1932a6b950899b99315f82d647c6acdd1b3dd95a

SHA512
d87cfea59055d107614756b9fd8f6ad17471b42975e5e32f7372016611033816596befb11fb1ddd957cfa9bb571f25c8c3253e85cfcd122f64fd95c2cb4342c4

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/2016-28-0x0000000009420000-0x0000000009441000-memory.dmp

Filesize
132KB

Download