2fbb25d14fccc6d7d8324592f02e4bfbf491684a4b72d520bcbb3ef3b220ddf5

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 02:44

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General

Target

553d32b89837ca539524a762f7202101.pdf
Size

35KB
MD5

553d32b89837ca539524a762f7202101
SHA1

5b5d5bc54c022ea125d6ebe052d20e77b09f6402
SHA256

2fbb25d14fccc6d7d8324592f02e4bfbf491684a4b72d520bcbb3ef3b220ddf5
SHA512

4aaa99eeffb087850c19810c13a1f39115f43fba432a6f51ca8f41e77f598ca3d39f91e2ecc75984b10ee5cb04bd1641d20855afe7cce68e6864d8a74be65a72
SSDEEP

768:h7D0MRdsjOJkvbSIFzpFaCtPNovwVk5VmzwDw5+u8HeDy:hbyOWlz/aCtPswVk5Vzw5+u8HeDy

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1064	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 4652	1064	AcroRd32.exe	95
PID 1064 wrote to memory of 4652	1064	AcroRd32.exe	95
PID 1064 wrote to memory of 4652	1064	AcroRd32.exe	95
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 1596	4652	RdrCEF.exe	96
PID 4652 wrote to memory of 4668	4652	RdrCEF.exe	97
PID 4652 wrote to memory of 4668	4652	RdrCEF.exe	97
PID 4652 wrote to memory of 4668	4652	RdrCEF.exe	97
PID 4652 wrote to memory of 4668	4652	RdrCEF.exe	97
PID 4652 wrote to memory of 4668	4652	RdrCEF.exe	97
PID 4652 wrote to memory of 4668	4652	RdrCEF.exe	97
PID 4652 wrote to memory of 4668	4652	RdrCEF.exe	97
PID 4652 wrote to memory of 4668	4652	RdrCEF.exe	97
PID 4652 wrote to memory of 4668	4652	RdrCEF.exe	97
PID 4652 wrote to memory of 4668	4652	RdrCEF.exe	97
PID 4652 wrote to memory of 4668	4652	RdrCEF.exe	97
PID 4652 wrote to memory of 4668	4652	RdrCEF.exe	97
PID 4652 wrote to memory of 4668	4652	RdrCEF.exe	97
PID 4652 wrote to memory of 4668	4652	RdrCEF.exe	97
PID 4652 wrote to memory of 4668	4652	RdrCEF.exe	97
PID 4652 wrote to memory of 4668	4652	RdrCEF.exe	97
PID 4652 wrote to memory of 4668	4652	RdrCEF.exe	97
PID 4652 wrote to memory of 4668	4652	RdrCEF.exe	97
PID 4652 wrote to memory of 4668	4652	RdrCEF.exe	97
PID 4652 wrote to memory of 4668	4652	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\553d32b89837ca539524a762f7202101.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:1064
- 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:4652
- - 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=711DA0DFC2400FB9FC1AA9A900702A5F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=1E0C23500F2598264EF844F1DE6B1B13 --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=1E0C23500F2598264EF844F1DE6B1B13 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4668
- - 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=7B0C3C17E8B1477A11059AB3A3022372 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4588
- - 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=D2E726D684AF7F97047036526E0FD165 --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=D2E726D684AF7F97047036526E0FD165 --renderer-client-id=5 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1496
- - 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=B97639315F3D671D4656CC2EAFCB0D15 --mojo-platform-channel-handle=2476 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3616
- - 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=6225037748B87150B7DD0C8614F8371F --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2780

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4048

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
55fb19b0e4bea53cbe6ae767e0332b50

SHA1
8fa57db6dac10bd34b5cfa2096915395b1372579

SHA256
faf64bfd43e1a6453a9baf3de29a06c80643c2167922b3a6c41e6cc2530dce17

SHA512
70d5f5bab4cc3144aaad17ad8293b740ac8a1ca4ad9347e472c1aeee29c73322753c12d959a0e7001c2298f218f1dd260cf899644838ded5e8ba95127105484e

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