800673f748516bc20d4a4860a652f1485804f72d3371ad0530c872e9704feb25

Analysis

max time kernel
141s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 10:45

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General

Target

0bcaada2f456a5a0d5b08b338feb19ff.pdf
Size

89KB
MD5

0bcaada2f456a5a0d5b08b338feb19ff
SHA1

18483c36b7ac864e337cdb06e487d1ec1598da36
SHA256

800673f748516bc20d4a4860a652f1485804f72d3371ad0530c872e9704feb25
SHA512

f3ff52a5000e864235ce8309d7c471252bc9e3a4e3e2aa1ecbaa6f44557c0ff0b2f845ba120cb26ff185e39f46e19ba64732e6b3d5487343e3f2b698037a5093
SSDEEP

1536:8l48Itq2KB2nLQgPg31HaAMzSJsCfFiiWGpOKGSNMzg3kiWdqqQhVLRpj+F:5XKBSLhw16A0+nfYLKGSNcMkLqbh5RpY

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3720	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3720 wrote to memory of 3112	3720	AcroRd32.exe	93
PID 3720 wrote to memory of 3112	3720	AcroRd32.exe	93
PID 3720 wrote to memory of 3112	3720	AcroRd32.exe	93
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 4648	3112	RdrCEF.exe	94
PID 3112 wrote to memory of 3224	3112	RdrCEF.exe	95
PID 3112 wrote to memory of 3224	3112	RdrCEF.exe	95
PID 3112 wrote to memory of 3224	3112	RdrCEF.exe	95
PID 3112 wrote to memory of 3224	3112	RdrCEF.exe	95
PID 3112 wrote to memory of 3224	3112	RdrCEF.exe	95
PID 3112 wrote to memory of 3224	3112	RdrCEF.exe	95
PID 3112 wrote to memory of 3224	3112	RdrCEF.exe	95
PID 3112 wrote to memory of 3224	3112	RdrCEF.exe	95
PID 3112 wrote to memory of 3224	3112	RdrCEF.exe	95
PID 3112 wrote to memory of 3224	3112	RdrCEF.exe	95
PID 3112 wrote to memory of 3224	3112	RdrCEF.exe	95
PID 3112 wrote to memory of 3224	3112	RdrCEF.exe	95
PID 3112 wrote to memory of 3224	3112	RdrCEF.exe	95
PID 3112 wrote to memory of 3224	3112	RdrCEF.exe	95
PID 3112 wrote to memory of 3224	3112	RdrCEF.exe	95
PID 3112 wrote to memory of 3224	3112	RdrCEF.exe	95
PID 3112 wrote to memory of 3224	3112	RdrCEF.exe	95
PID 3112 wrote to memory of 3224	3112	RdrCEF.exe	95
PID 3112 wrote to memory of 3224	3112	RdrCEF.exe	95
PID 3112 wrote to memory of 3224	3112	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\0bcaada2f456a5a0d5b08b338feb19ff.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:3720
- 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:3112
- - 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=0FDF9C1DC803920E1C28177309E0E08E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4648
- - 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=D956D4DF560073004670F230F84BD40C --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=D956D4DF560073004670F230F84BD40C --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3224
- - 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=846983E6F8F4F5C786A7959320B46679 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1644
- - 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=47473204B3A189826A347EB1CDF1ACD9 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3296
- - 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=297B8204402F1150FFFF962116476D91 --mojo-platform-channel-handle=2208 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1752
- - 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=5E8812D840E9D86DB658845FB7E789D6 --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=5E8812D840E9D86DB658845FB7E789D6 --renderer-client-id=7 --mojo-platform-channel-handle=2244 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3744

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5076

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
6d60fc7e2b63aaa64f49b65c00cc9ba8

SHA1
15b5324e142f43a7e6d4aaae91bf87a0b7f6c82a

SHA256
f2f96713dc62d798f66946bde27c6c975b03888bc98bf765a93b14697c5cadd1

SHA512
4c0e5572dc169994f0bab1b592d96ad33d4ee23bf58291ca19c8acca238e7976e31caea11d66b55c957257758180534af17a0261f5e16c99cb2569244d34b90d

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