09a6618345f2470883932063a21d64ebc6fa16fe984e85338d657781b2ce6003

Analysis

max time kernel
5s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 00:40

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General

Target

22088824838cb2e0d7c640c1f9657b69.pdf
Size

89KB
MD5

22088824838cb2e0d7c640c1f9657b69
SHA1

1415e5f6afbae692b8ee7000c7411cf45d381edb
SHA256

09a6618345f2470883932063a21d64ebc6fa16fe984e85338d657781b2ce6003
SHA512

5b15ff7131237226901ac67c680e5a4a54653c200ea1e5c4139fef59f9e77fb085a0666b85134a76094dfd7a2d5c16f26baeaafe47eccd8ba698bdaccc9cd571
SSDEEP

1536:yHTbHwSXS2Vc6l71dQTPxPua6qyUEteRNzciQPS9jmxL3Cue6zveW9F4p1cowZTE:QTb4LQdQwaWNMR1cin9CxLS+v26HTU7B

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4264	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 1256	4264	AcroRd32.exe	92
PID 4264 wrote to memory of 1256	4264	AcroRd32.exe	92
PID 4264 wrote to memory of 1256	4264	AcroRd32.exe	92
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 4544	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93
PID 1256 wrote to memory of 1492	1256	RdrCEF.exe	93

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\22088824838cb2e0d7c640c1f9657b69.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4264
- 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:1256
- - 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=ADE879F875A687DAA1DD58CA31F2D2E7 --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=ADE879F875A687DAA1DD58CA31F2D2E7 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1492
- - 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=C5087C86696E0843B6E1E9EC3AC281B8 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4544
- - 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=EC0014D7C98DC37456931F49ED98E879 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4772
- - 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=67004E561D724CBB09F5E938A1AF98C2 --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=67004E561D724CBB09F5E938A1AF98C2 --renderer-client-id=6 --mojo-platform-channel-handle=2448 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3376
- - 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=94712CBC321F24276D87876641300BB9 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3364
- - 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=2E4A0B1A0833FAA108FF5308FE99D86C --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4728

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4400

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
60KB

MD5
bf947bf7ff3df4a1b60f3f488d8e69ca

SHA1
1c7552ee643ae59582fbe1bc620f61d4a47e436e

SHA256
dfb250cc0cb6ca4f817a3f1fee90058d00a12d09ccd5fd3c638e9b9ec1f56d48

SHA512
80c6aa3e59d4afce1b9be1d506af4d046d89df72279e6d18dae9cecf82e44313dde31f019c4dc43c0f738d20535aa96f2c2d7d1ef383ff23917c95f8c897b8bf

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
1KB

MD5
780d775f2ec016b80738845302097492

SHA1
6840d4ba8b1536babb0d718879faacd8c08465fe

SHA256
7014da4feddc633c8e710f6699ae186367131fcf8d7d3af4fb2d5bd82357c2f6

SHA512
554551610093c9f8cfa5010e0e36823567546b0ea1086faa28806aa74587f11b072cc736cacdd5d8ada9db78b029779a4940a3f8e0eddcc2d9a1d16585a76924

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit