5cc3fbc013dd62f9dc04a9a515b7d79e760463018a2bb5134ac85ec239702c9b

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 07:25

Sharing

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General

Target

8e8efe6b67555bf3e65cad8dbd7e1cf4.pdf
Size

34KB
MD5

8e8efe6b67555bf3e65cad8dbd7e1cf4
SHA1

6a7807df7d96f9ba63cf60578a59a00fde4351b3
SHA256

5cc3fbc013dd62f9dc04a9a515b7d79e760463018a2bb5134ac85ec239702c9b
SHA512

456e58ff71f2e36213f19faaa21267936d6435835ca0127d3339adf1e6f134b27e4e43bba997bdebd8df4bf4140bf350af886a5fbf6b150f10f0bb2b73d61c2f
SSDEEP

768:cyD11h7ZkMlsKedDDoUH0i4WpKqWOxRrDbF40UUAk3V5Z5b:F17bOOXOrfF40Ua7Z5b

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
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
872	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 872 wrote to memory of 4840	872	AcroRd32.exe	88
PID 872 wrote to memory of 4840	872	AcroRd32.exe	88
PID 872 wrote to memory of 4840	872	AcroRd32.exe	88
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 2264	4840	RdrCEF.exe	89
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90
PID 4840 wrote to memory of 1792	4840	RdrCEF.exe	90

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\8e8efe6b67555bf3e65cad8dbd7e1cf4.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:872
- 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:4840
- - 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=4323C3732AC88512DFB265855B83C48D --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2264
- - 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=A3DC3FB7508B7CCAB0829C00751D1BC2 --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=A3DC3FB7508B7CCAB0829C00751D1BC2 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1792
- - 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=7E904FDAE0217217BEDABA2427B05DBD --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=7E904FDAE0217217BEDABA2427B05DBD --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4896
- - 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=53A21A22C5C3350A079010A0919CD0A8 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4112
- - 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=A97AD23CDCEE5450FB2DAD4CCB372460 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4516
- - 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=4A00AC0B5C6A23414E43A17CAC30D3DB --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3608

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3404

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
3bbcd60222d1cc4f8149ea3dbd95c3c5

SHA1
13b82289770f533eecc0e682e46858e95b879bc6

SHA256
2360712c8bd936a1dfce94e5aaa60d1777b655cf0e938cd6bfc8b1453cf23a88

SHA512
d09ba4e8557dfe7edde59ad70626f22b1501b9508ecd34d175c99819d7dd5e668248e7320687199ac6254b570bb91f4af6b5a9c421e2668fdbf8842d5f6dd57e

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/872-27-0x0000000009D00000-0x0000000009D21000-memory.dmp

Filesize
132KB

Download