e44b43b92f26195f54e90fb87ac5a689698c7c93b605656dacb1941d3bd95d27

Analysis

max time kernel
143s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
14-10-2023 09:39

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General

Target

NEAS.02344b7c1acd8e7b33d02f305bee2e80_JC.pdf
Size

246KB
MD5

02344b7c1acd8e7b33d02f305bee2e80
SHA1

feb7b1602b1b0852837e0e4b3cd6d7de2261f09c
SHA256

e44b43b92f26195f54e90fb87ac5a689698c7c93b605656dacb1941d3bd95d27
SHA512

2924b8da0696d5a17e7ae54db15342f25cbb97a7bdf82dcf4667ea72b67185c658668b1bd59ad2d1cf2bbfd49df8807e3c141c75082b8cc9fcdafe0fa9dabab9
SSDEEP

6144:dDMbfZ++Mh59FqjAmKZl86gvOex09eDnNr6XyrspEq:dDMWDvmKZli/SeDN/o

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-1-5-21-2890696111-2332180956-3312704074-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1796	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 4776	1796	AcroRd32.exe	92
PID 1796 wrote to memory of 4776	1796	AcroRd32.exe	92
PID 1796 wrote to memory of 4776	1796	AcroRd32.exe	92
PID 1796 wrote to memory of 2148	1796	AcroRd32.exe	100
PID 1796 wrote to memory of 2148	1796	AcroRd32.exe	100
PID 1796 wrote to memory of 2148	1796	AcroRd32.exe	100
PID 1796 wrote to memory of 896	1796	AcroRd32.exe	101
PID 1796 wrote to memory of 896	1796	AcroRd32.exe	101
PID 1796 wrote to memory of 896	1796	AcroRd32.exe	101
PID 1796 wrote to memory of 4608	1796	AcroRd32.exe	102
PID 1796 wrote to memory of 4608	1796	AcroRd32.exe	102
PID 1796 wrote to memory of 4608	1796	AcroRd32.exe	102
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 4820	896	RdrCEF.exe	103
PID 896 wrote to memory of 3244	896	RdrCEF.exe	104
PID 896 wrote to memory of 3244	896	RdrCEF.exe	104
PID 896 wrote to memory of 3244	896	RdrCEF.exe	104
PID 896 wrote to memory of 3244	896	RdrCEF.exe	104
PID 896 wrote to memory of 3244	896	RdrCEF.exe	104
PID 896 wrote to memory of 3244	896	RdrCEF.exe	104
PID 896 wrote to memory of 3244	896	RdrCEF.exe	104
PID 896 wrote to memory of 3244	896	RdrCEF.exe	104
PID 896 wrote to memory of 3244	896	RdrCEF.exe	104
PID 896 wrote to memory of 3244	896	RdrCEF.exe	104
PID 896 wrote to memory of 3244	896	RdrCEF.exe	104

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.02344b7c1acd8e7b33d02f305bee2e80_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:1796
- 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:4776
- 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:2148
- 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:896
- - 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=7B1EF617F2CA0ED8E8AF6CF31AA4D28B --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4820
- - 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=DC08F4029FD3FF4585CFDE58B7A3C4CA --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=DC08F4029FD3FF4585CFDE58B7A3C4CA --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3244
- - 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=FC3C906F73D3FD5CED3DB3DD8E5BA145 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:220
- - 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=DAE6F00464D9F128C8FD5161C5D6E882 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --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=F02D72DF1FF0C025D33AD70CAAF6C697 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5004
- - 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=087E07060308562976B6D018D92ECAAA --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=087E07060308562976B6D018D92ECAAA --renderer-client-id=8 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4160
- 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:4608

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
a069d4baed61a77a4e4aba4fac8f5516

SHA1
7db43eb9221cb1c37319cdf6bd4e3edd5bf1ec02

SHA256
87c086f7c0f1acef6751644a4833d803708b9846efdccb2618215c43bf93ad14

SHA512
c9b5b3ab51fd6f2f9751ca52287647fca172a6e36466932ed2a3d77cb6d852884d27a5461dbb09be2616781fc901815263d62e13ac051e98a5c125f2e2202a4f

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
memory/1796-89-0x000000000BD20000-0x000000000BE6D000-memory.dmp

Filesize
1.3MB

Download
memory/1796-149-0x0000000008F10000-0x0000000008F3A000-memory.dmp

Filesize
168KB

Download