6106e84c143bb7c22d20dad8a1d2bd40ad3d258adfee08f0ec32338c8a17c11d

Analysis

max time kernel
154s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2024 14:50

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General

Target

4e96867c9aed96505397543b285363ad.pdf
Size

85KB
MD5

4e96867c9aed96505397543b285363ad
SHA1

75fa9837f9f8b4ff6689bc3925d44784afeb214c
SHA256

6106e84c143bb7c22d20dad8a1d2bd40ad3d258adfee08f0ec32338c8a17c11d
SHA512

1e840521fe60097ab2d6ddc11d3f9d79b4948e377610b8c2f8d024186262bd5ce309ba32f8a1ec2d5b3f520130358524ba676757863d9287dea429e13fd92f72
SSDEEP

1536:l7ul+jIkqsxzZqyOKZIOrkzoKfOlZM9RhGVzgWOpOaZEWTs3CxlI5ZB:BNjILsxzZq2IzoKfOug19aZcyxlI9

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2172	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 1168	2172	AcroRd32.exe	93
PID 2172 wrote to memory of 1168	2172	AcroRd32.exe	93
PID 2172 wrote to memory of 1168	2172	AcroRd32.exe	93
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 628	1168	RdrCEF.exe	96
PID 1168 wrote to memory of 4668	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4668	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4668	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4668	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4668	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4668	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4668	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4668	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4668	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4668	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4668	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4668	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4668	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4668	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4668	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4668	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4668	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4668	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4668	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4668	1168	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\4e96867c9aed96505397543b285363ad.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:2172
- 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:1168
- - 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=2EE9869DA28FB7F8C76F656867F065A2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:628
- - 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=3082D22F9F5A1580F92586E805051441 --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=3082D22F9F5A1580F92586E805051441 --renderer-client-id=2 --mojo-platform-channel-handle=1832 --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=D7956C32B207B639EA45E8454F2FD088 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4856
- - 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=E2BE05D4F9CF1FC74C4D94BBE5D02D70 --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=E2BE05D4F9CF1FC74C4D94BBE5D02D70 --renderer-client-id=5 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1840
- - 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=9A6543D7617257940DFCC845172D4B45 --mojo-platform-channel-handle=2676 --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=2C9E33F1F1B2A0A90204D5EAABE449AD --mojo-platform-channel-handle=2364 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4252

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4640

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
41758bf6ffe5974e6696e4a12e19af2b

SHA1
a32f3a5adef63e91a341de6c388b234ad2dbd379

SHA256
179743386d81e211cf9cb7f62a6e2d34476a41fdda3255351c3da539206d2434

SHA512
4dcc2224d73dbab39139a75528f67570ff8e4bab9ce47fcf981bc89fdce80d25bda0fe3905fd691281903255c243e6b780f59c5687ecebdcc80f3b3a5ae21af9

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/2172-28-0x000000000B710000-0x000000000B731000-memory.dmp

Filesize
132KB

Download