6a6636f1ca42a2e90539bf3b7a2b1649cea4d73048158f706eeea9bd2cc715ab

Analysis

max time kernel
147s
max time network
154s
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 15:34

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General

Target

79406310235c074f96ce0aa41ccd4bbc.pdf
Size

65KB
MD5

79406310235c074f96ce0aa41ccd4bbc
SHA1

bd50380ce563014000bd93a441a5ca3dd300857d
SHA256

6a6636f1ca42a2e90539bf3b7a2b1649cea4d73048158f706eeea9bd2cc715ab
SHA512

e9722932eae5e67ec45ff97c658ecfb9897106dda5b1a63df85d9002132dfbd80c0870662c93ff20d993584f5adc0ac46f9bd0b822f5654957e5c5e32278a56b
SSDEEP

1536:3RvJUwYlMtmr5GzSqdXWQ+l8whbkUeB64nkCX1Fvi:hBjYlMwr5GO8XulJhbkBkgFa

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4476	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4476 wrote to memory of 4164	4476	AcroRd32.exe	92
PID 4476 wrote to memory of 4164	4476	AcroRd32.exe	92
PID 4476 wrote to memory of 4164	4476	AcroRd32.exe	92
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 456	4164	RdrCEF.exe	94
PID 4164 wrote to memory of 640	4164	RdrCEF.exe	93
PID 4164 wrote to memory of 640	4164	RdrCEF.exe	93
PID 4164 wrote to memory of 640	4164	RdrCEF.exe	93
PID 4164 wrote to memory of 640	4164	RdrCEF.exe	93
PID 4164 wrote to memory of 640	4164	RdrCEF.exe	93
PID 4164 wrote to memory of 640	4164	RdrCEF.exe	93
PID 4164 wrote to memory of 640	4164	RdrCEF.exe	93
PID 4164 wrote to memory of 640	4164	RdrCEF.exe	93
PID 4164 wrote to memory of 640	4164	RdrCEF.exe	93
PID 4164 wrote to memory of 640	4164	RdrCEF.exe	93
PID 4164 wrote to memory of 640	4164	RdrCEF.exe	93
PID 4164 wrote to memory of 640	4164	RdrCEF.exe	93
PID 4164 wrote to memory of 640	4164	RdrCEF.exe	93
PID 4164 wrote to memory of 640	4164	RdrCEF.exe	93
PID 4164 wrote to memory of 640	4164	RdrCEF.exe	93
PID 4164 wrote to memory of 640	4164	RdrCEF.exe	93
PID 4164 wrote to memory of 640	4164	RdrCEF.exe	93
PID 4164 wrote to memory of 640	4164	RdrCEF.exe	93
PID 4164 wrote to memory of 640	4164	RdrCEF.exe	93
PID 4164 wrote to memory of 640	4164	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\79406310235c074f96ce0aa41ccd4bbc.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:4476
- 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:4164
- - 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=249B6A5F168F63A5D61BAB6E92E82C0E --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=249B6A5F168F63A5D61BAB6E92E82C0E --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:640
- - 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=B2AD3B12534F5871B27C0A0DD53CBC56 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:456
- - 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=8A5C751FA5559460621C31FB498A56DB --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3504
- - 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=02D6BFC28CF2CA23EF6DBB77719FB181 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1956
- - 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=390BB14A34483499805C16AEA2E14A60 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:748
- - 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=F7830F83B074508E6721240A16770E14 --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=F7830F83B074508E6721240A16770E14 --renderer-client-id=7 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3084

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
ca4b7edf748f7bd7f22c06f41a6c285c

SHA1
f32c6adfc2b9aa8b7fe2080e2af15f2473bc2140

SHA256
b7b155d682b4d8b887908320cfa9969b429f47cca695fd43e5b90239fda1cf66

SHA512
e03a6c0c7643c7b0ee128a6091ce907e58892348b8bd6d6d62e94e74730ccc921255bff540b310b679f123bedad7fb3c4a247edae452554cc989e184fdaa234d

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