18a29ebd902a52add72e3eecb6a234e221fb91b24ae776394703b2c138beacb1

Resubmissions

25/05/2023, 19:48

230525-yh3tkacg61 5

25/05/2023, 19:46

25/05/2023, 19:33

25/05/2023, 19:33

25/05/2023, 19:27

Analysis

max time kernel
292s
max time network
300s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
25/05/2023, 19:27

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General

Target

@lbzvm+s8460+397+6728+591+46 5+6684+ zbdovis+ 2839+8045.pdf
Size

33KB
MD5

d3945d4eab98cf2d48e34cff91a3c843
SHA1

a73d10b005208c06ab772c635d581473dcfeaf20
SHA256

18a29ebd902a52add72e3eecb6a234e221fb91b24ae776394703b2c138beacb1
SHA512

4006351b7b9df138115ed0f4e893cb025c492fcb2f9b6f221eb1ba741be89572cb0ccc4cb8edcd0b5bad93606dc0f53b50d858bb3e648516e85ca5f86c269608
SSDEEP

768:C4/gHYX/wnbFDyzeD1Wkzu30XkLGHj+4R0EzkavINL+xPt1xv:v0YX4nxD0eJXU6+4MqI1aZv

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-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4348	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4348 wrote to memory of 1348	4348	AcroRd32.exe	88
PID 4348 wrote to memory of 1348	4348	AcroRd32.exe	88
PID 4348 wrote to memory of 1348	4348	AcroRd32.exe	88
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 1236	1348	RdrCEF.exe	89
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90
PID 1348 wrote to memory of 5060	1348	RdrCEF.exe	90

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\@lbzvm+s8460+397+6728+591+46 5+6684+ zbdovis+ 2839+8045.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:4348
- 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:1348
- - 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=4531F4888D1B3EA03A32CB343C1903A8 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1236
- - 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=AE387133A0F00BB680D90C79262EC485 --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=AE387133A0F00BB680D90C79262EC485 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5060
- - 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=A991FE838CC1C71D7DE75412A21D7058 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4664
- - 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=78ECEC8E910BD39AD4AD190C986FFAE5 --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=78ECEC8E910BD39AD4AD190C986FFAE5 --renderer-client-id=5 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2004
- - 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=ACD6EABD7BE57543C175CDD244C1605F --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4704
- - 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=B161A742342A177FDC0D328878C4DEE9 --mojo-platform-channel-handle=1836 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3316

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4460

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

Filesize
64KB

MD5
1c422476e95384739d90f45c86c039ee

SHA1
775c0e0f2be55ac723fd25cbddf6d1f011f2f2d8

SHA256
c3d885ede9d02dc33799292f3f325c78fbd8f766811d298a07e890be3572a228

SHA512
ef85bbc25d486ad3f3511ebf390f4621bef40aade3c89ec7bb98f0243586301e9a7dc1851eb1a9819f6666ac9fc3e6711f5e24e9ed5fd31c5a79abd8ec19a693

Download Submit