efa9b3d065404eb3252b2f4499aa13525deec6634efbad337dd20f84ceabb0a2

Analysis

max time kernel
140s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2023, 15:28

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General

Target

attachment20230417-19283-1bcbuvz.pdf
Size

148KB
MD5

1fbc9d7180b404ef0983fcc900f1d98f
SHA1

a38d4ddc3636f5ebfbcd0a4dbd0ab9a395bfedaa
SHA256

efa9b3d065404eb3252b2f4499aa13525deec6634efbad337dd20f84ceabb0a2
SHA512

7654b8396d7df82d0abcabc765f2e7da1f9c277b76505e62a08f1d347d87ce4663c89f959fc694057f941c864ac824557ef86de256f20116841d8b700d76a61e
SSDEEP

3072:gXpZUXfLyKk9d5FXmUNknQCBIYR2att668:yG2K48/IYkatt6t

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-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2120	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2120	AcroRd32.exe
2120	AcroRd32.exe
2120	AcroRd32.exe
2120	AcroRd32.exe
2120	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 4840	2120	AcroRd32.exe	84
PID 2120 wrote to memory of 4840	2120	AcroRd32.exe	84
PID 2120 wrote to memory of 4840	2120	AcroRd32.exe	84
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 3688	4840	RdrCEF.exe	85
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86
PID 4840 wrote to memory of 1824	4840	RdrCEF.exe	86

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\attachment20230417-19283-1bcbuvz.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2120
- 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:4840
- - 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=5E82DA293252FDCA2EC04CA8A89A81F2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3688
- - 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=49D191295650FB6FD4A649533A48B635 --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=2 --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=49D191295650FB6FD4A649533A48B635 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1824
- - 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=060C3FDF4AE90D98A1355A5DFA3707B6 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:228
- - 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=B98199D47644792C375615DBCA71B542 --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=2 --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=B98199D47644792C375615DBCA71B542 --renderer-client-id=5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2236
- - 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=F7CBE563888AFB51B0BF5054A3E0942A --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2784
- - 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=128EE6AA223E7CD38C1E4EECD982EDE9 --mojo-platform-channel-handle=1872 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4300

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:844

Network

MITRE ATT&CK Enterprise v6

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
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
memory/2120-160-0x000000000A2E0000-0x000000000A301000-memory.dmp

Filesize
132KB

Download