9bdd5304a3770088a46b5e5a7e14c763697c5e99fefd90744158d602f59e83f8

Analysis

max time kernel
143s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 12:48

Sharing

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General

Target

8e80251d2bb6ad84d6e4a135c3834b77.pdf
Size

42KB
MD5

8e80251d2bb6ad84d6e4a135c3834b77
SHA1

2fca30e138ff7002149e28e275aa0b44b2594bea
SHA256

9bdd5304a3770088a46b5e5a7e14c763697c5e99fefd90744158d602f59e83f8
SHA512

aa7c67d111fdd3ab404c91a687f3903012dc76a39dba22b9db0e92dc3c598153354f4ee6f267d62816771b1d2ce2d4b133e16ce73dcdec5842deafd91c8810bf
SSDEEP

768:Ete5Mkv6mzMwkz/lIDZ9q4UUJbEOY27Rp/Hw2HispAYeX74S:5CwMwk6DyoJb777LQaQYeX74S

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4468	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4468 wrote to memory of 228	4468	AcroRd32.exe	91
PID 4468 wrote to memory of 228	4468	AcroRd32.exe	91
PID 4468 wrote to memory of 228	4468	AcroRd32.exe	91
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 1440	228	RdrCEF.exe	92
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93
PID 228 wrote to memory of 4816	228	RdrCEF.exe	93

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\8e80251d2bb6ad84d6e4a135c3834b77.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:4468
- 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:228
- - 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=03AFD47DEAA7FB4F2BFF61DECC58F825 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1440
- - 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=8B0F341458767267644855AC41A35EA3 --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=8B0F341458767267644855AC41A35EA3 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4816
- - 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=594388817142F89041D7AC6743B53F16 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3596
- - 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=0B86EB27B1BA0C704B3542CA9D6BC670 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4360
- - 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=4EEF97CFE3403573EE3220C04F0D89F2 --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=4EEF97CFE3403573EE3220C04F0D89F2 --renderer-client-id=6 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3288
- - 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=2A4B70BD4061714AF42481F8C4817582 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5032

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3424

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
a03a020bf2f8235283adde650672e483

SHA1
cd52d2c0b0bf3ec0ef8c64df898aebb920aa76dd

SHA256
0fea5ffa81b4e6728ed972a276a97fe823dfb53fc43894e4298009d81dd4e8a7

SHA512
dfc72c60b5bca823f3166ef31d3b10ac7d967c21e152754c88100cdc13c0cbaa286ccfb077695aad07ace6e96851348cb2aa72b8dfda5f36194a678df5b6bc8c

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
memory/4468-26-0x000000000A760000-0x000000000A7B0000-memory.dmp

Filesize
320KB

Download