51686809a84071cdc181ea6f3f580687f247a7450f0b422d564685c123179f6c

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
02/11/2023, 05:19

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General

Target

NEAS.83d6c998cda3fc961a67981cd4fe9ee0_JC.pdf
Size

33KB
MD5

83d6c998cda3fc961a67981cd4fe9ee0
SHA1

d9c0e41cffe5b3aaaf53f2d030f662171cbde4fc
SHA256

51686809a84071cdc181ea6f3f580687f247a7450f0b422d564685c123179f6c
SHA512

68be40f1499074eb2acb0759209f1c82a28da4e760efbd3f09937bd38bff75753dda5fab904f4f62d0b4b9f17f90dc9e5ee2ed845e2affe188932d0dee93caea
SSDEEP

768:8/GLmpDrJMEwFMTmzJD7/O+2O/bopCdMAUj8Jlt6ktrCWU/naXLd7MGg:8/GipptwF+sMGg

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-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3516	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3516 wrote to memory of 4464	3516	AcroRd32.exe	95
PID 3516 wrote to memory of 4464	3516	AcroRd32.exe	95
PID 3516 wrote to memory of 4464	3516	AcroRd32.exe	95
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 3256	4464	RdrCEF.exe	96
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97
PID 4464 wrote to memory of 1292	4464	RdrCEF.exe	97

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.83d6c998cda3fc961a67981cd4fe9ee0_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:3516
- 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:4464
- - 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=DEA389B22D88CA6D4D1E6F570C6906D6 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3256
- - 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=5E875B5C2A3734CF510D4CF85751107B --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=5E875B5C2A3734CF510D4CF85751107B --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1292
- - 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=E53DF77C060B05A63018F789B277E6C3 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:624
- - 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=3F5230A207DBC3524189D56E50BD46D8 --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=3F5230A207DBC3524189D56E50BD46D8 --renderer-client-id=5 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3964
- - 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=C3BB02D06B761D3F61511E9BF8C3260C --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1864
- - 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=02A716782F25917114B99148315B07DA --mojo-platform-channel-handle=2520 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:648

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
11de846208c0b9c6283d90152877cbb9

SHA1
554a1906c082632fdd95759a38fac00d4875f3c9

SHA256
4ec7df93880de004e4dd56c9a325b4af1e345758edbb621669b4bbef246474fd

SHA512
ea4bbf94918a9623695ded0886dea376cf93f2fd00e85db5c1fcaafdb8bee3468533fad5222acdb8455421e2cf73ba5b42afbe0ac5e54297925cafee1cdd2fdc

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