e7591d75d822a329a6fdaacc05b542e9615ee1943d1b5bd5b9fc73025b45b731

Analysis

max time kernel
216s
max time network
190s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
15/07/2024, 15:39

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General

Target

PA-bills 1098.pdf
Size

314KB
MD5

d2fcadbe362daa4899f68c594de8d2dc
SHA1

ec1eb788ab1ab30dc47297aad18b027c6aa5239e
SHA256

e7591d75d822a329a6fdaacc05b542e9615ee1943d1b5bd5b9fc73025b45b731
SHA512

3c73e1c1ad79ab2f48a0f3400539cb0e010bd11ab5ab4f23650fe8a713d11f3f1238224930453035f0b06018f17d1f4e7c19f1d5db8b13ca4ce9750aa2107425
SSDEEP

6144:aumPfsI9/RFOum5H58f3pXKh4X+SV//ZC3YtFu1vmgz5O+g:aJ9/EwfpXKmX+m/EkWvVzgl

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-1-5-21-4106386276-4127174233-3637007343-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4188	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4188 wrote to memory of 4700	4188	AcroRd32.exe	74
PID 4188 wrote to memory of 4700	4188	AcroRd32.exe	74
PID 4188 wrote to memory of 4700	4188	AcroRd32.exe	74
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4048	4700	RdrCEF.exe	75
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4732	4700	RdrCEF.exe	76

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\PA-bills 1098.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:4188
- 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:4700
- - 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=7F759170F40030C4498631BBAFE8BDBE --mojo-platform-channel-handle=1632 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4048
- - 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=EF745244748571D07FB9AE7AC0BB722D --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=EF745244748571D07FB9AE7AC0BB722D --renderer-client-id=2 --mojo-platform-channel-handle=1644 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4732
- - 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=8EBF1CA2B469D50D2C7A83AFCB188446 --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=8EBF1CA2B469D50D2C7A83AFCB188446 --renderer-client-id=4 --mojo-platform-channel-handle=2220 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2124
- - 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=A2EF4ABD6EC943495BA2CF5437E1F72E --mojo-platform-channel-handle=1712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1316
- - 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=04B9290D617F430E072D1B3052527FCB --mojo-platform-channel-handle=2636 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:528
- - 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=669AF9E89F24DEA1CC648E76057780CF --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:888

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
36b5fe3496e3c8556b58d2746d502790

SHA1
ceead3b0da312272703bd7ce6b8d979fef0ae0cd

SHA256
21a7b863e8a46d2e9251ff7fa1b0368899927fe05ab4982b10ae0755388214be

SHA512
2fc6bc6c9dd859c61fb7e662be69f0f1c81185ff82a05b1a6bbe44dbb0c3a12c216dee1814a2b0492a1cc7e659f88c6433036d989c9a117af73482eb75178f54

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