454599a3539017efa4470a9ef77d4efe26154586a6ae3118b2e7dc684b2b0a34

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 13:28

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General

Target

3805750adccf8cf622703f4a6296b7b3.pdf
Size

45KB
MD5

3805750adccf8cf622703f4a6296b7b3
SHA1

a9931a8a3d950e99cba0a35b8524ed577f51c30a
SHA256

454599a3539017efa4470a9ef77d4efe26154586a6ae3118b2e7dc684b2b0a34
SHA512

a4fe24fb51535ef2c2ea6740aafa59b261f274d4279846a45fe26d61befc3add4daa9943ba96bf8b5754e4c1642ccdf843233e0ad87448baf756f7976e2427f1
SSDEEP

768:yHvbj9zh5TctJNnOSqE79fkA/TF/GsOVnT12FyawuL52fsFBX:yHv1F5TkuSqSDTF/G7VnwFhwuLwwBX

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1528	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 1740	1528	AcroRd32.exe	97
PID 1528 wrote to memory of 1740	1528	AcroRd32.exe	97
PID 1528 wrote to memory of 1740	1528	AcroRd32.exe	97
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 3436	1740	RdrCEF.exe	98
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99
PID 1740 wrote to memory of 2892	1740	RdrCEF.exe	99

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\3805750adccf8cf622703f4a6296b7b3.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:1528
- 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:1740
- - 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=52ECD790CDFAB0C65BBF3E353481361E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3436
- - 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=1B888A0C3E6B05E59188BF17E0E219D4 --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=1B888A0C3E6B05E59188BF17E0E219D4 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2892
- - 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=3BD19BC2DE4613B51C565F64E7C640AC --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5020
- - 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=F7571339DC88CC361A5C611FF0AA54C2 --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=F7571339DC88CC361A5C611FF0AA54C2 --renderer-client-id=5 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2876
- - 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=80E30193BD313B64483F46F781BFCEFE --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1904
- - 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=96CB1B6626C28FA504FCC47FE7B71EF6 --mojo-platform-channel-handle=1692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4320

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4028

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
9448930e2d76eebc9b70a359b3b08f71

SHA1
a5cbe06fedeef1fc34677ae3fc1e1fa9090d42ac

SHA256
3ade0ef6aa6966c3e5a273efc6ed0457e017a3f97f3bc2129e7ebfd5e7b70c30

SHA512
21895fa33f69786da384e5914820c0cb07b441eeeb4e94bcd069d28691f63acca65ebc7b49617ec199f95d197d1e71b4878c935e690297ee70650cbf9d7c8c38

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