19c4bfd4d6b6c2bfd83456498eedd00e5573fa0097bdb4e78e391b63c4b5aafa

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11-03-2024 03:08

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General

Target

bfaeeec6a0eee2276b80e9867110b1dc.pdf
Size

160KB
MD5

bfaeeec6a0eee2276b80e9867110b1dc
SHA1

afbd0351de4b2b699e73eade7d4bea24a70498fc
SHA256

19c4bfd4d6b6c2bfd83456498eedd00e5573fa0097bdb4e78e391b63c4b5aafa
SHA512

b1412060f0596e94ca4fd5b0a89a000b34e4c03931d352562345c4ecc8309fd41ee69d77979521600ae10fd12f3c753f2a6b56bcf0ddb3ed93c3e9c0ddc64fdd
SSDEEP

3072:vR33PYzC/Gk95mk4VAWkD/QSmDz6uMMa+SexjDl9R8L/etQDp6pTvmMdS:x3PYzCjKNnK/Q4uXaxeRl9RQ/badQ

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3040	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe
3040	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 1284	3040	AcroRd32.exe	93
PID 3040 wrote to memory of 1284	3040	AcroRd32.exe	93
PID 3040 wrote to memory of 1284	3040	AcroRd32.exe	93
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 2384	1284	RdrCEF.exe	96
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97
PID 1284 wrote to memory of 3276	1284	RdrCEF.exe	97

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\bfaeeec6a0eee2276b80e9867110b1dc.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:3040
- 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:1284
- - 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=62790649360B8038D861B4BEE5472825 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2384
- - 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=76B84CD88F42166228F496DCF848790B --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=76B84CD88F42166228F496DCF848790B --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3276
- - 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=17CEC707503403544B423F34762B6200 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4688
- - 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=8A3A1097DAC9D22DA01E7D81189E914F --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=8A3A1097DAC9D22DA01E7D81189E914F --renderer-client-id=5 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    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=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=8AF5F3581D87C5916488F98A6799F7FA --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4992
- - 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=299329C906705375EE324ECD7E03A963 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2116

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

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Downloads

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

Filesize
64KB

MD5
c9ed84d4a1bf273313d2e93bc623a8eb

SHA1
5e3c433161a41487f37a7565cfe28fb6895d8c65

SHA256
fbe2f16547ff801d90dd9b52a470d645c938d502e0a2ac63d0d7f0f592dfeb41

SHA512
0eff3f2ef0db67423c888cf57c5cbef7cfb52fad1c4c960ae1937ee7a69a22bf5bcf541bbe60ade325d1bb6c284f9a3aa9bbffb21fb8101b00fe8e8d7c7a6665

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
C:\Users\Admin\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents

Filesize
12KB

MD5
0a28ce9e2895e7fc5838f93676898b6a

SHA1
5932acb2e9f7f9c5f5e0ebc9a0e72bb136c99136

SHA256
8873838505f23020c6bbf3be79c3593dccd8b0f8985c3bc3638f04ad8a5688a1

SHA512
4524d51dd2a17ac99cc529819ea7dc1521b384242f37b14320c73c0f330ee2a351861b85a5b20729d0e3fb5dd7eb46e35010479653933e415d10e70e07899dab

Download Submit