9df43b4f9ed2e657293e304a71e291a6741f3215b412352490b0f5d27454378e

Analysis

max time kernel
170s
max time network
180s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
03/11/2023, 00:00

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General

Target

NEAS.ee4c873061366000ef6f39c3c8c5a310_JC.pdf
Size

84KB
MD5

ee4c873061366000ef6f39c3c8c5a310
SHA1

9bd6d7acc1f2f18beb73b1f017fabccf4dc0f46e
SHA256

9df43b4f9ed2e657293e304a71e291a6741f3215b412352490b0f5d27454378e
SHA512

75cca4618d30aca7939551512052252030dbb1a850561633d870288eff921101c3f33002d99dac6b439b944c8578132cec47bc38faba17581f9a2d4f4238fdb2
SSDEEP

1536:QoTFNzb30cP06Y0TvCYSqlAtNN0WQXGH39S1FYWspO25jy8R:9TTf3FP06Yav9At7EXGY1Fz2hZ

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-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
544	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe
544	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 1624	544	AcroRd32.exe	95
PID 544 wrote to memory of 1624	544	AcroRd32.exe	95
PID 544 wrote to memory of 1624	544	AcroRd32.exe	95
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 5056	1624	RdrCEF.exe	96
PID 1624 wrote to memory of 2952	1624	RdrCEF.exe	97
PID 1624 wrote to memory of 2952	1624	RdrCEF.exe	97
PID 1624 wrote to memory of 2952	1624	RdrCEF.exe	97
PID 1624 wrote to memory of 2952	1624	RdrCEF.exe	97
PID 1624 wrote to memory of 2952	1624	RdrCEF.exe	97
PID 1624 wrote to memory of 2952	1624	RdrCEF.exe	97
PID 1624 wrote to memory of 2952	1624	RdrCEF.exe	97
PID 1624 wrote to memory of 2952	1624	RdrCEF.exe	97
PID 1624 wrote to memory of 2952	1624	RdrCEF.exe	97
PID 1624 wrote to memory of 2952	1624	RdrCEF.exe	97
PID 1624 wrote to memory of 2952	1624	RdrCEF.exe	97
PID 1624 wrote to memory of 2952	1624	RdrCEF.exe	97
PID 1624 wrote to memory of 2952	1624	RdrCEF.exe	97
PID 1624 wrote to memory of 2952	1624	RdrCEF.exe	97
PID 1624 wrote to memory of 2952	1624	RdrCEF.exe	97
PID 1624 wrote to memory of 2952	1624	RdrCEF.exe	97
PID 1624 wrote to memory of 2952	1624	RdrCEF.exe	97
PID 1624 wrote to memory of 2952	1624	RdrCEF.exe	97
PID 1624 wrote to memory of 2952	1624	RdrCEF.exe	97
PID 1624 wrote to memory of 2952	1624	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.ee4c873061366000ef6f39c3c8c5a310_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:544
- 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:1624
- - 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=A655CFCAD538B4F991B8919E559B3AA1 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5056
- - 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=C675103E2C4FCD26884DCFBC134218CF --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=C675103E2C4FCD26884DCFBC134218CF --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2952
- - 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=3A78BC5DBBAEAEA6AAB640317FAE92F0 --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=3A78BC5DBBAEAEA6AAB640317FAE92F0 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1380
- - 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=146AFDE5DAD6282A218EE8AF8E1B15A0 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3472
- - 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=606A6D59839834F294DB76C25346C827 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4492
- - 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=459B1AFBC16D1A6A134CCB3BF219214D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:232

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2188

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
25645cf25744daab37ff78d5cab04708

SHA1
6128a9ac35a27e004205a005efd8f4bdaf23ee4a

SHA256
0a67c0eb5bef4712c489de93fcea95cc64ddb50c70765b32a02c1a7ee36a4fab

SHA512
963c3e2565aa2f7364f357b34a01b5c0d97806467975ef18d2e5585d12d6d2557a895d419221a1f42c631747e9c5201045ff4873a89c48edd20e638cce841a46

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