bafa8637765cf1e7859781ed80fb8f801162b3b3b101f0740886672d1886a9c8

Analysis

max time kernel
141s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
15/10/2023, 10:56

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General

Target

NEAS.520fbcb6ca0547d51b9a3feb62ec97e0.pdf
Size

194KB
MD5

520fbcb6ca0547d51b9a3feb62ec97e0
SHA1

74295a8d77d5ebb0837a7fadfbb5270f629c2682
SHA256

bafa8637765cf1e7859781ed80fb8f801162b3b3b101f0740886672d1886a9c8
SHA512

13fe7d6cc37dcb90193607962ff10bb0fe06c1c6a54535c7e930ce00cf96d11c5c9ac936c6dc32f5b4195879f08cc1c53aa2e821d884e8e857131ddeda1e97f0
SSDEEP

6144:ijDDKPsKrPpcv20EdE7ia+qVS4LjjVz3LRhn4/C:8DDsvtcdwEWdqpL1zVh+C

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-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3136	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3136 wrote to memory of 1540	3136	AcroRd32.exe	84
PID 3136 wrote to memory of 1540	3136	AcroRd32.exe	84
PID 3136 wrote to memory of 1540	3136	AcroRd32.exe	84
PID 3136 wrote to memory of 404	3136	AcroRd32.exe	90
PID 3136 wrote to memory of 404	3136	AcroRd32.exe	90
PID 3136 wrote to memory of 404	3136	AcroRd32.exe	90
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 764	1540	RdrCEF.exe	91
PID 1540 wrote to memory of 5104	1540	RdrCEF.exe	92
PID 1540 wrote to memory of 5104	1540	RdrCEF.exe	92
PID 1540 wrote to memory of 5104	1540	RdrCEF.exe	92
PID 1540 wrote to memory of 5104	1540	RdrCEF.exe	92
PID 1540 wrote to memory of 5104	1540	RdrCEF.exe	92
PID 1540 wrote to memory of 5104	1540	RdrCEF.exe	92
PID 1540 wrote to memory of 5104	1540	RdrCEF.exe	92
PID 1540 wrote to memory of 5104	1540	RdrCEF.exe	92
PID 1540 wrote to memory of 5104	1540	RdrCEF.exe	92
PID 1540 wrote to memory of 5104	1540	RdrCEF.exe	92
PID 1540 wrote to memory of 5104	1540	RdrCEF.exe	92
PID 1540 wrote to memory of 5104	1540	RdrCEF.exe	92
PID 1540 wrote to memory of 5104	1540	RdrCEF.exe	92
PID 1540 wrote to memory of 5104	1540	RdrCEF.exe	92
PID 1540 wrote to memory of 5104	1540	RdrCEF.exe	92
PID 1540 wrote to memory of 5104	1540	RdrCEF.exe	92
PID 1540 wrote to memory of 5104	1540	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.520fbcb6ca0547d51b9a3feb62ec97e0.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:3136
- 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:1540
- - 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=7804CBBAB5ED40172E2E620504A4A862 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:764
- - 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=A0DCDE537FC8916F567BE1148EEDF2C1 --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=A0DCDE537FC8916F567BE1148EEDF2C1 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5104
- - 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=928B1C61CB734F81C0FFEEF74A25BFB1 --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=928B1C61CB734F81C0FFEEF74A25BFB1 --renderer-client-id=4 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5020
- - 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=257ACDBCC87516A831CD4E8438222955 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2440
- - 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=60A76346FE663EABDCD58FFFF81236E6 --mojo-platform-channel-handle=1980 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3368
- - 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=C49504F2E1CD55D12F8727CF8759927C --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4120
- 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:404

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1112

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
ec783bc6555bcda07e53b26dcf2f902b

SHA1
1249789ecfba9a568d0fb2e761fceb7b796b2243

SHA256
a57921a21a5eec260d70910dc6aa54e2553c5a815cf9cc4dbf850b1587c7ed21

SHA512
2c8e5a0f00ed5437cfcc5322081de447af377a3729e2049a9217fad970a9bf299c1ae4bd5642fa369bdce658e5842411ece961feaa54ef035beb817bbb770c19

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