374f559f2627f64a47b096d012b358643926265c53661360b42f0e3edc236118

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/01/2024, 11:11

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General

Target

5b15e5e43af72f92820a866ba55687ef.pdf
Size

32KB
MD5

5b15e5e43af72f92820a866ba55687ef
SHA1

d70fd256163405b942da7c8c4728b34e130053e9
SHA256

374f559f2627f64a47b096d012b358643926265c53661360b42f0e3edc236118
SHA512

d7f7d170ccdcab912d3878f2a40f48220d3e47215cafb804a948a4802e9265c4b38bf594f81d3f7f0340b6992b447d73abb6d2fe386877e497554955e1a43040
SSDEEP

768:K0wjIkfZ56+b+ypK8VGdAPyOTLeh6GZVX2tCgO/X:wEo5J5Py0LerX0CgsX

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1448	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 3472	1448	AcroRd32.exe	93
PID 1448 wrote to memory of 3472	1448	AcroRd32.exe	93
PID 1448 wrote to memory of 3472	1448	AcroRd32.exe	93
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 2840	3472	RdrCEF.exe	94
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95
PID 3472 wrote to memory of 4424	3472	RdrCEF.exe	95

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\5b15e5e43af72f92820a866ba55687ef.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:1448
- 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:3472
- - 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=12C721F6F882AE71DCB9107BD4CDEC33 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2840
- - 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=FCDA2A8FABA71C916C0B0E76C9EC2034 --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=FCDA2A8FABA71C916C0B0E76C9EC2034 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4424
- - 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=B0005D155B621809C63241F864C837F6 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3132
- - 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=11968FAF0A0A32E751B830F74A609FD5 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4776
- - 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=65E3B47410AF5A3F36F40A7B38C9D576 --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=65E3B47410AF5A3F36F40A7B38C9D576 --renderer-client-id=6 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2728
- - 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=E94D025CFE07A5424FB87DE0F404E441 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1296

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4376

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
a1852e381fe1be51d32b84362f9401f6

SHA1
e74102ada3ec143d9fa9d7c05a012a69ce666c55

SHA256
c803d61454be3776879c424bcbe1525a0a696367519ccc8811aee960f4992344

SHA512
432618ed7d8ee3e902c504ddb1f3757a1864a97a9f66fb9b9a90aeb431faf994b2ed8afb2560cb41e76745ae4e3035f7433c5647d9b8322d824084d230099914

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