250d76e8f9f7609e9ceea4b96a7cf7ed5fc2ed1faed32466c8217c60dc9d997d

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
23/10/2023, 22:08

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General

Target

NEAS.57db9e41027adf3af12e242c5f256350_JC.pdf
Size

67KB
MD5

57db9e41027adf3af12e242c5f256350
SHA1

2077786bb8c75a7527060f5e84cbcde40be05028
SHA256

250d76e8f9f7609e9ceea4b96a7cf7ed5fc2ed1faed32466c8217c60dc9d997d
SHA512

fb7ccd8d0ba384cc48a8f036d266277236df906e00fc452c63aa27afd183394bb36b727bdb192abaacba5d94b3e4c78df4e73efaa27b547fa9192ce66c03cd3d
SSDEEP

1536:qdqGVLo8u4ROtfLm9TnOXCgDF2222W6ARcnqgRy+:qdqGVkAAtyOyus6ARcnqUy+

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-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
472	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe
472	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 472 wrote to memory of 2412	472	AcroRd32.exe	90
PID 472 wrote to memory of 2412	472	AcroRd32.exe	90
PID 472 wrote to memory of 2412	472	AcroRd32.exe	90
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 2648	2412	RdrCEF.exe	91
PID 2412 wrote to memory of 3424	2412	RdrCEF.exe	92
PID 2412 wrote to memory of 3424	2412	RdrCEF.exe	92
PID 2412 wrote to memory of 3424	2412	RdrCEF.exe	92
PID 2412 wrote to memory of 3424	2412	RdrCEF.exe	92
PID 2412 wrote to memory of 3424	2412	RdrCEF.exe	92
PID 2412 wrote to memory of 3424	2412	RdrCEF.exe	92
PID 2412 wrote to memory of 3424	2412	RdrCEF.exe	92
PID 2412 wrote to memory of 3424	2412	RdrCEF.exe	92
PID 2412 wrote to memory of 3424	2412	RdrCEF.exe	92
PID 2412 wrote to memory of 3424	2412	RdrCEF.exe	92
PID 2412 wrote to memory of 3424	2412	RdrCEF.exe	92
PID 2412 wrote to memory of 3424	2412	RdrCEF.exe	92
PID 2412 wrote to memory of 3424	2412	RdrCEF.exe	92
PID 2412 wrote to memory of 3424	2412	RdrCEF.exe	92
PID 2412 wrote to memory of 3424	2412	RdrCEF.exe	92
PID 2412 wrote to memory of 3424	2412	RdrCEF.exe	92
PID 2412 wrote to memory of 3424	2412	RdrCEF.exe	92
PID 2412 wrote to memory of 3424	2412	RdrCEF.exe	92
PID 2412 wrote to memory of 3424	2412	RdrCEF.exe	92
PID 2412 wrote to memory of 3424	2412	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\NEAS.57db9e41027adf3af12e242c5f256350_JC.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:472
- 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:2412
- - 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=4C4F0644B7FDB112D86F8CA35EB650EA --mojo-platform-channel-handle=1740 --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=DD7AB02D403E586EDE60D43A5300EF65 --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=DD7AB02D403E586EDE60D43A5300EF65 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3424
- - 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=5BE6E4DFA09C9B6A46A542505E4A98D6 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4068
- - 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=8CB8B8D8F9A961729202881E25E65C92 --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=8CB8B8D8F9A961729202881E25E65C92 --renderer-client-id=5 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1168
- - 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=406935808F8F7CFFD13B3DD9034F6A70 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4684
- - 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=3E511AC7E727A18D3BD1516AF50BBF46 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2516

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4712

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
767e0aee7ed25e47c42b4f1cf0dedca6

SHA1
bdaa73c40e73202d0640b7d148a2b007d829b959

SHA256
9d4cf6549d7a7cadcc99b52fb3ecfb4718d47a93d28b0c9c1c4a62b714bc02c2

SHA512
32fd29a38fae81fac763197949d03679059eca2ddf3a0e0127e0de1fdf80d2a9b3e84aba6883f43cd515a3f2a9d9dc7b1a87ff58ee58a98641e1c83425238adb

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