0633146f4bbcd70adf9ba4fa3b7f74b191646ed469b2ff37b338953ebb191928

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230220-es
resource tags

arch:x64arch:x86image:win10v2004-20230220-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
04/05/2023, 14:17

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General

Target

43609_BA8FE438_D923_4772_BA1.pdf
Size

171KB
MD5

5a941f6c29f757ebb9c78c0c3ed3fbd2
SHA1

771a10c5e04e3d516e65f63b2702436e50a35214
SHA256

0633146f4bbcd70adf9ba4fa3b7f74b191646ed469b2ff37b338953ebb191928
SHA512

af863faf089e256576d5b7d3db99906b938d00ee29ee4daf61b0993c6a2ea578f219dceb6b0f4e7226339bb5814d7f0c6462497c6ddb486b2a7f22d404faf7f7
SSDEEP

3072:RDHVijVI4pNK+hrb2GijTn2Z0gYHhBoeA9A8DiRY3OBqC1qZYB:5kIWA+hXC6tYHNuiRY3OBqC1EYB

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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4556	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4556 wrote to memory of 2192	4556	AcroRd32.exe	83
PID 4556 wrote to memory of 2192	4556	AcroRd32.exe	83
PID 4556 wrote to memory of 2192	4556	AcroRd32.exe	83
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 1696	2192	RdrCEF.exe	84
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85
PID 2192 wrote to memory of 2552	2192	RdrCEF.exe	85

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\43609_BA8FE438_D923_4772_BA1.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:4556
- 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:2192
- - 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=5DF5EF481CA0402A08E6015E303293B1 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1696
- - 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=44B14806AA1D751B0F195F78BFE9CB73 --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=44B14806AA1D751B0F195F78BFE9CB73 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2552
- - 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=907E0E5251E6797CB08AF29EAA7FB174 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4812
- - 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=FB08D2C07D5B25CC88824F98B9921923 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1792
- - 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=801B130998E51B6AA6EE64C439FB2FCD --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=801B130998E51B6AA6EE64C439FB2FCD --renderer-client-id=6 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1596
- - 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=588481E896EB48D4F1B5138EBCE8B685 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2524

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

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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
014d96d086758ede45cfffa4135d8210

SHA1
6563bf5dd63fe667f74deaf5f4780678aa0f87fa

SHA256
40cb5b2e07929ac184127dd843190a19e8ce9865fd5a8471ed1133dd92f3caf5

SHA512
eef792ca154f534704bc1e223a02a9fce150c295d53d12b8ff00d7ae05d7b10a3ac2075f3d47afaffb7328ad817b9e629c1a4a47bad4435f2ff23574325a973d

Download Submit