feb2f5f9e2e09116186c6a781e11b97f4f808a644cdfa5f2f7d51d3c40430548

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25-02-2024 06:56

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General

Target

a328af3c8969a1c9442f283323301314.pdf
Size

82KB
MD5

a328af3c8969a1c9442f283323301314
SHA1

c0ae490e549ff714f2ff908847f94d1a1f46867d
SHA256

feb2f5f9e2e09116186c6a781e11b97f4f808a644cdfa5f2f7d51d3c40430548
SHA512

eb4644bf60b21b61c9936a5df90463bf75fb541ebb8ec5a7ebbd67991ceabd6d8fc5d05210553b18faf991b61022220f24293d97c1b35af8e90ce300bc35f2b4
SSDEEP

1536:J63ejLZ3GMfdYBIxl/GuzfGAOR5uYte51HMWkNpOPaWPqpJzsMtxdwJ2V2/xGJCU:wONGKY8OR53tShPB6JzVM2VixmCU

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-1-5-21-3844919115-497234255-166257750-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3612	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe
3612	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3612 wrote to memory of 2392	3612	AcroRd32.exe	87
PID 3612 wrote to memory of 2392	3612	AcroRd32.exe	87
PID 3612 wrote to memory of 2392	3612	AcroRd32.exe	87
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 684	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89
PID 2392 wrote to memory of 404	2392	RdrCEF.exe	89

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\a328af3c8969a1c9442f283323301314.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:3612
- 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:2392
- - 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=FA8A9FE0C1D6D66D65EF844DC31FD9D2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:684
- - 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=7184E5DC55FCF52D003DD88159D53B19 --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=7184E5DC55FCF52D003DD88159D53B19 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:404
- - 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=E24215370C000A6AE9386E79DCCAAD95 --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=E24215370C000A6AE9386E79DCCAAD95 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3920
- - 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=2F6CEA854C94C8F75ED6FDD2AE379044 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2640
- - 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=3D40EB4F25E4919761A2A341123842F0 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4396
- - 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=578D8319EE2E775C8DEA3F67ACEA53F3 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:896

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3260

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
7b7e0cdea432bc1e03fd6c133191fc1a

SHA1
5b520e6eb4c20a53edf590fd26b703074dc6f288

SHA256
947abcb4832daa554ee90792636e914ec14b577c9dfb8656eb8b51eb421b6136

SHA512
fda503ed813cae564deaef6c237a99162cd81f21b3d61aa5e34c00a226f97730fe7f19e2f7c6e25f54ba62d8163c6b1091262e85aea6b6372decb2cd94475732

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