11d0cb3739f9e23e917ef664d523eb1cc399737ef1864906e37d86b6bf0b7010

Resubmissions

11-03-2023 04:49

230311-ffwclaad2s 10

23-02-2023 14:15

230223-rky5tshh7s 3

Analysis

max time kernel
141s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
23-02-2023 14:15

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General

Target

d242528e-1bc5-45e6-93f0-d24f4cb35bba.pdf
Size

138KB
MD5

097756aa3d5a8ede52623e37cde154b3
SHA1

84aad7a61af60b0b1daf7f2c6de8b97bce971df6
SHA256

11d0cb3739f9e23e917ef664d523eb1cc399737ef1864906e37d86b6bf0b7010
SHA512

e45d93d4ee1e4706176734fe9f67ec5dc97828a9dad33b5c4520e30e53e077f1047cf58aab192a2fcfdc2032595b0fcf73887791b8d7b67e8b488b0def5a5808
SSDEEP

3072:zU7lfRXEXR1q8ZHXLKOH5kcRY+L+3rLC4OgMs2:KpUXR1n7KOH5lRYIgr1l12

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-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2036	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 1836	2036	AcroRd32.exe	83
PID 2036 wrote to memory of 1836	2036	AcroRd32.exe	83
PID 2036 wrote to memory of 1836	2036	AcroRd32.exe	83
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 232	1836	RdrCEF.exe	84
PID 1836 wrote to memory of 2936	1836	RdrCEF.exe	85
PID 1836 wrote to memory of 2936	1836	RdrCEF.exe	85
PID 1836 wrote to memory of 2936	1836	RdrCEF.exe	85
PID 1836 wrote to memory of 2936	1836	RdrCEF.exe	85
PID 1836 wrote to memory of 2936	1836	RdrCEF.exe	85
PID 1836 wrote to memory of 2936	1836	RdrCEF.exe	85
PID 1836 wrote to memory of 2936	1836	RdrCEF.exe	85
PID 1836 wrote to memory of 2936	1836	RdrCEF.exe	85
PID 1836 wrote to memory of 2936	1836	RdrCEF.exe	85
PID 1836 wrote to memory of 2936	1836	RdrCEF.exe	85
PID 1836 wrote to memory of 2936	1836	RdrCEF.exe	85
PID 1836 wrote to memory of 2936	1836	RdrCEF.exe	85
PID 1836 wrote to memory of 2936	1836	RdrCEF.exe	85
PID 1836 wrote to memory of 2936	1836	RdrCEF.exe	85
PID 1836 wrote to memory of 2936	1836	RdrCEF.exe	85
PID 1836 wrote to memory of 2936	1836	RdrCEF.exe	85
PID 1836 wrote to memory of 2936	1836	RdrCEF.exe	85
PID 1836 wrote to memory of 2936	1836	RdrCEF.exe	85
PID 1836 wrote to memory of 2936	1836	RdrCEF.exe	85
PID 1836 wrote to memory of 2936	1836	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\d242528e-1bc5-45e6-93f0-d24f4cb35bba.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:2036
- 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:1836
- - 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=C1A871CAEA6460356BD7F37693A416E7 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:232
- - 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=1D15EF0B205F8B03D018A38527F150B3 --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=1D15EF0B205F8B03D018A38527F150B3 --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2936
- - 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=B98427DAE7F375115F681C03FA5DA743 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:412
- - 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=D62120CB91F2EAB08C072D193E6A1E0A --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=D62120CB91F2EAB08C072D193E6A1E0A --renderer-client-id=5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4160
- - 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=9C5645CA0A023329C3DE512498C42FDC --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:676
- - 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=5E4BEDB233C43BC78A69D6CC20C9DCC9 --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1760

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
2d1f15285370224f3213f21eef2bfb65

SHA1
14a9c9b0c0c8b8c8c3e46e946f08f4ed698014ea

SHA256
c6fa6f8742cbc4b6e89ac04b8121c6a706065993a2325c816a69f52cf6d03577

SHA512
a31b992e893c4a389a219fc27f60bb7981bcfa73350dd2265ebb10e63155df886a2172d54399f1ac2677e7e8c118b3af25789cf9349c14b95151c3d6973776ef

Download Submit