6916d7da673389e914d8ee454fec2b284795269c282a7331dac385b25ae38056

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2024, 01:39

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General

Target

4d01856261797da3747eb77e6ca2d350.pdf
Size

34KB
MD5

4d01856261797da3747eb77e6ca2d350
SHA1

09598866a8a78b67f22126d07bb2db41805e63fa
SHA256

6916d7da673389e914d8ee454fec2b284795269c282a7331dac385b25ae38056
SHA512

5ba511b047d6eb99818d6ae1c42dcd9db249a63dc6373bab2e551ec6e0cf78c69b6f24f15ee16bbdc73f2d6528196baf9f9c0d1e5f118631b5b258dcd3d8b31a
SSDEEP

768:Nunl5dXgl9Bk7lgyO/S1NVIGtMczscRd/+YUXbwemafX6DlkWg65d1QK6+3BC5Ql:Nunl5dXy9Bk7lgyO/S1NVlMcXmXbeafK

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4864	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 4796	4864	AcroRd32.exe	93
PID 4864 wrote to memory of 4796	4864	AcroRd32.exe	93
PID 4864 wrote to memory of 4796	4864	AcroRd32.exe	93
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 2300	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3536	4796	RdrCEF.exe	98

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\4d01856261797da3747eb77e6ca2d350.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:4864
- 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:4796
- - 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=D0F81FC005BD96D5F74EDA86C11045A4 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2300
- - 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=FE6C45915EECCC9F46BF362188E40464 --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=FE6C45915EECCC9F46BF362188E40464 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3536
- - 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=3BCD08CEF565418B035CA22F027D2F20 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4888
- - 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=851FD887356EF733F1523EFBC6CE24BC --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4008
- - 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=2990D278C0C59F52A112B1B6861AF51C --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=2990D278C0C59F52A112B1B6861AF51C --renderer-client-id=6 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2800
- - 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=0D3BEA863F16AD4A58EAA658C180203C --mojo-platform-channel-handle=2228 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2732

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
862566025c161ed78b7d0598f828c5a3

SHA1
42f68b74bcb0b7a6f0c31c562190345e5f35083e

SHA256
912d20845e77515b8dcb93b5bf2f48009f65d1b79fb0e70f65757fb8cbd6b3bc

SHA512
791bc593e3acc208ba219a65505d6c48aa97f8d8d4f1f010e05fecb77ae2eec5283b862a0d9847cc3b41b7103bc187e4a4c84a5fb35d5287a3b1dbb5205f0d98

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