27ccb58f24a9c770287db25eaa00302f1488353800bfd735bf864e7ae5970566

Analysis

max time kernel
151s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
23/10/2023, 21:24

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General

Target

NEAS.ef2ffaae0e24a835aeb201dee49cbe20_JC.pdf
Size

67KB
MD5

ef2ffaae0e24a835aeb201dee49cbe20
SHA1

dc73302580c2db105d9c8067f50a8792b2e52540
SHA256

27ccb58f24a9c770287db25eaa00302f1488353800bfd735bf864e7ae5970566
SHA512

af4652bf40d1361301ae8d99287bfd407bfd3043ab068962f401b43f70490613a33ffd546b199f2d771469587743799b49eb2dffd861519b92424c8ba7cb0f3e
SSDEEP

1536:0dqGVLo8u4ROtfLm9TnOXCgDF2222WxVRJZ4Ik:0dqGVkAAtyOyusxVRJLk

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-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3984	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3984 wrote to memory of 3420	3984	AcroRd32.exe	86
PID 3984 wrote to memory of 3420	3984	AcroRd32.exe	86
PID 3984 wrote to memory of 3420	3984	AcroRd32.exe	86
PID 3984 wrote to memory of 920	3984	AcroRd32.exe	88
PID 3984 wrote to memory of 920	3984	AcroRd32.exe	88
PID 3984 wrote to memory of 920	3984	AcroRd32.exe	88
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 1904	3420	RdrCEF.exe	89
PID 3420 wrote to memory of 2680	3420	RdrCEF.exe	90
PID 3420 wrote to memory of 2680	3420	RdrCEF.exe	90
PID 3420 wrote to memory of 2680	3420	RdrCEF.exe	90
PID 3420 wrote to memory of 2680	3420	RdrCEF.exe	90
PID 3420 wrote to memory of 2680	3420	RdrCEF.exe	90
PID 3420 wrote to memory of 2680	3420	RdrCEF.exe	90
PID 3420 wrote to memory of 2680	3420	RdrCEF.exe	90
PID 3420 wrote to memory of 2680	3420	RdrCEF.exe	90
PID 3420 wrote to memory of 2680	3420	RdrCEF.exe	90
PID 3420 wrote to memory of 2680	3420	RdrCEF.exe	90
PID 3420 wrote to memory of 2680	3420	RdrCEF.exe	90
PID 3420 wrote to memory of 2680	3420	RdrCEF.exe	90
PID 3420 wrote to memory of 2680	3420	RdrCEF.exe	90
PID 3420 wrote to memory of 2680	3420	RdrCEF.exe	90
PID 3420 wrote to memory of 2680	3420	RdrCEF.exe	90
PID 3420 wrote to memory of 2680	3420	RdrCEF.exe	90
PID 3420 wrote to memory of 2680	3420	RdrCEF.exe	90

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.ef2ffaae0e24a835aeb201dee49cbe20_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:3984
- 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:3420
- - 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=01F12AB703072F1F69580F4E6A521A2A --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1904
- - 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=27BEC814C572DECDB6FDE9FC63ED45D5 --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=27BEC814C572DECDB6FDE9FC63ED45D5 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2680
- - 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=EAE45A97B13F9D5F6A2CBB1171954CAF --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=EAE45A97B13F9D5F6A2CBB1171954CAF --renderer-client-id=4 --mojo-platform-channel-handle=2040 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2840
- - 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=A9E7B3FECFD60C6D1D95ECB4C3F1CBDC --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2928
- - 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=88C6132BAA2F149D81297A379397CD9E --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:100
- - 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=EE25A5817FE70FFE5DB8BBB95B9949A1 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1700
- 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⤵
  PID:920

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1324

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
e393753e0181cb15b17fd4788758f739

SHA1
b625346dc447e1c422dd01533d830437fca6b5cd

SHA256
bc289e91bc15303f17caf3e6850694b94ed5abc5d753fa0d29f0744bd6f3ccf7

SHA512
ad55ee119a27339d769afd697fc4557716d5f82cca593e80858193ce45c2f2fad7cb5f5b132523ab536eb9bf542d8d5c467e9ca700244a024e72e0be507159bc

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