9f9e4bdb79f478e355158f4821f68bc7ca1703528dcc3f5427662b3e37340ceb

Analysis

max time kernel
143s
max time network
155s
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, 10:58

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General

Target

NEAS.f5fedc1b120346e9b642bf3d55fff590.pdf
Size

75KB
MD5

f5fedc1b120346e9b642bf3d55fff590
SHA1

92a9e52cbf60c39612f24d38873edf188e23a7ba
SHA256

9f9e4bdb79f478e355158f4821f68bc7ca1703528dcc3f5427662b3e37340ceb
SHA512

aebd0c93abbca7e30256351b5095414f46352152483e45e18b4abc03b2ecbd94ec4af5e8521391ade7ff77b321d9c04f5701b3283d97227eaa08005ae7bc66e8
SSDEEP

1536:0rShVe0/CG/Gy+HPYqLtY2SFYLpgYX1yhCVen4ooZvdum3p:0rShjuBZY2SFYLpfXpVI4lTp

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-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4264	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe
4264	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 4824	4264	AcroRd32.exe	84
PID 4264 wrote to memory of 4824	4264	AcroRd32.exe	84
PID 4264 wrote to memory of 4824	4264	AcroRd32.exe	84
PID 4264 wrote to memory of 1132	4264	AcroRd32.exe	87
PID 4264 wrote to memory of 1132	4264	AcroRd32.exe	87
PID 4264 wrote to memory of 1132	4264	AcroRd32.exe	87
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 1476	4824	RdrCEF.exe	90
PID 4824 wrote to memory of 4228	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4228	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4228	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4228	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4228	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4228	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4228	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4228	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4228	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4228	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4228	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4228	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4228	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4228	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4228	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4228	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4228	4824	RdrCEF.exe	91

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.f5fedc1b120346e9b642bf3d55fff590.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:4264
- 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:4824
- - 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=467524F26A0911A70EAD81BDCDA96EEF --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1476
- - 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=4D269FB5DA8D6DEEF884B0D5EE37AC54 --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=4D269FB5DA8D6DEEF884B0D5EE37AC54 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4228
- - 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=83F6B0CDC078EAC2DC614E654B0AAEBA --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3720
- - 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=1C90F9EAA5F0737248BC552E64CF4608 --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=1C90F9EAA5F0737248BC552E64CF4608 --renderer-client-id=5 --mojo-platform-channel-handle=2032 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3732
- - 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=77ECC176BC86A26562D6B5946E4170FA --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4516
- - 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=1467E5EA3E7C3AAF54CE2617D61E94A4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2644
- 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:1132

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4944

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
9eb6f5abb932b9f3c965d17f754a3de5

SHA1
d9549014e1aee35e92e29af14a11bb5039c53f52

SHA256
d8eabdd09671e05ab3a1c8536e4183ca94a12f6266d84938d22091212213a29c

SHA512
b620057078781eb0b621d8937dc335b5f7e426cc4d24ecab9b4dd90e0c15f0865db12949546d77e16398c5e231f4d7e7b124d1b0ea2135a71d09c1b9ab1ab9f7

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