8f329ae18c83bb5c9bc899bf0f4e4f85de92c2d31a174f8039e9e52e7a7afe95

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
18/03/2024, 23:40

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General

Target

d4a9386f4e8e4b81d3f6146ead761694.pdf
Size

87KB
MD5

d4a9386f4e8e4b81d3f6146ead761694
SHA1

71f4077ff321697614ee84d45cea02c9aa0206a5
SHA256

8f329ae18c83bb5c9bc899bf0f4e4f85de92c2d31a174f8039e9e52e7a7afe95
SHA512

684ae2af0e97a06d639f6f6ae68755f870f9e0afc57646d0769229f9ab6e5919ff937a1442e7ce256a5259854d4c999ff3f1c1fb374071a159dfea389faa180b
SSDEEP

1536:oFKMtW2Ing3Bai7Gow84y9TcRFKsEyLTx+SYTmMlQlWspOTDmD9ztWmRJ0Zqxv:qK6WPq4ooy9TcrKZyLd+/CMlQMTDmpzN

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4076	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4076 wrote to memory of 1924	4076	AcroRd32.exe	92
PID 4076 wrote to memory of 1924	4076	AcroRd32.exe	92
PID 4076 wrote to memory of 1924	4076	AcroRd32.exe	92
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 4148	1924	RdrCEF.exe	93
PID 1924 wrote to memory of 1392	1924	RdrCEF.exe	94
PID 1924 wrote to memory of 1392	1924	RdrCEF.exe	94
PID 1924 wrote to memory of 1392	1924	RdrCEF.exe	94
PID 1924 wrote to memory of 1392	1924	RdrCEF.exe	94
PID 1924 wrote to memory of 1392	1924	RdrCEF.exe	94
PID 1924 wrote to memory of 1392	1924	RdrCEF.exe	94
PID 1924 wrote to memory of 1392	1924	RdrCEF.exe	94
PID 1924 wrote to memory of 1392	1924	RdrCEF.exe	94
PID 1924 wrote to memory of 1392	1924	RdrCEF.exe	94
PID 1924 wrote to memory of 1392	1924	RdrCEF.exe	94
PID 1924 wrote to memory of 1392	1924	RdrCEF.exe	94
PID 1924 wrote to memory of 1392	1924	RdrCEF.exe	94
PID 1924 wrote to memory of 1392	1924	RdrCEF.exe	94
PID 1924 wrote to memory of 1392	1924	RdrCEF.exe	94
PID 1924 wrote to memory of 1392	1924	RdrCEF.exe	94
PID 1924 wrote to memory of 1392	1924	RdrCEF.exe	94
PID 1924 wrote to memory of 1392	1924	RdrCEF.exe	94
PID 1924 wrote to memory of 1392	1924	RdrCEF.exe	94
PID 1924 wrote to memory of 1392	1924	RdrCEF.exe	94
PID 1924 wrote to memory of 1392	1924	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\d4a9386f4e8e4b81d3f6146ead761694.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:4076
- 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:1924
- - 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=02EDF046E0371FF6EA5E660691799325 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4148
- - 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=396755A6780FAE9407E59867B4E6D93A --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=396755A6780FAE9407E59867B4E6D93A --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1392
- - 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=ABBC487FBF4F29B7CF96F5310B665B6D --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2648
- - 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=5592128D0BFFE03A8FD14B8545B8B3DA --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=5592128D0BFFE03A8FD14B8545B8B3DA --renderer-client-id=5 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4652
- - 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=D1C6B9A17B9C91FB8B334FFBF2659290 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3220
- - 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=CA2C5629BD9212786251CF0D12D60BA2 --mojo-platform-channel-handle=2712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3096

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
aaff0ee6a3f4590a0651bc6056e642d4

SHA1
56e6e9aa5655cfe583bd5cddd1c3585d95aadffb

SHA256
ea0c8d20bfa0ba500e1941ed8283abb7a91d03b646929d5f139b36cacfbcb35e

SHA512
efe91719458357aa53d3447eddd9852cad516bd8c4c21719a4aa5d403f5535be4676ee8a3a2afdb128a81795a7fddb66acef219a147a415a4454a968c8f941db

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/4076-26-0x000000000B650000-0x000000000B671000-memory.dmp

Filesize
132KB

Download